eventespresso / event-espresso-core

modules/ical/EED_Ical.module.php

Indentation +237 added lines, -237 removed lines

@@ -11,241 +11,241 @@
 class EED_Ical extends EED_Module
 {
 
-    const iCal_datetime_format = 'Ymd\THis\Z';
-
-
-    /**
-     * @return EED_Ical|EED_Module
-     */
-    public static function instance()
-    {
-        return parent::get_instance(__CLASS__);
-    }
-
-
-    /**
-     *    set_hooks - for hooking into EE Core, other modules, etc
-     *
-     * @access    public
-     * @return    void
-     */
-    public static function set_hooks()
-    {
-        // create download buttons
-        add_filter(
-            'FHEE__espresso_list_of_event_dates__datetime_html',
-            array('EED_Ical', 'generate_add_to_iCal_button'),
-            10,
-            2
-        );
-        // process ics download request
-        EE_Config::register_route('download_ics_file', 'EED_Ical', 'download_ics_file');
-    }
-
-
-    /**
-     *    set_hooks_admin - for hooking into EE Admin Core, other modules, etc
-     *
-     * @access    public
-     * @return    void
-     */
-    public static function set_hooks_admin()
-    {
-    }
-
-
-    /**
-     *    run - initial module setup
-     *
-     * @access    public
-     * @param    WP $WP
-     * @return    void
-     */
-    public function run($WP)
-    {
-    }
-
-
-    /**
-     *    generate_add_to_iCal_button
-     *
-     * @access    public
-     * @param $html
-     * @param $datetime
-     * @return    string
-     * @throws \EE_Error
-     */
-    public static function generate_add_to_iCal_button($html, $datetime)
-    {
-        // first verify a proper datetime object has been received
-        if ($datetime instanceof EE_Datetime) {
-            // set whether a link or submit button is shown
-            $iCal_type = apply_filters('FHEE__EED_Ical__generate_add_to_iCal_button__iCal_type', 'submit');
-            // generate a link to the route we registered in set_hooks()
-            $URL = add_query_arg(array('ee' => 'download_ics_file', 'ics_id' => $datetime->ID()), site_url());
-            // what type ?
-            switch ($iCal_type) {
-                // submit buttons appear as buttons and are very compatible with a theme's style
-                case 'submit':
-                    $html .= '<form id="download-iCal-frm-' . $datetime->ID();
-                    $html .= '" class="download-iCal-frm" action="' . $URL . '" method="post" >';
-                    $html .= '<input type="submit" class="ee-ical-sbmt" value="&#xf145;" title="';
-                    $html .= esc_html__('Add to iCal Calendar', 'event_espresso') . '"/>';
-                    $html .= '</form>';
-                    break;
-                // buttons are just links that have been styled to appear as buttons,
-                // but may not be blend with a theme as well as submit buttons
-                case 'button':
-                    $html .= '<a class="ee-ical-btn small ee-button ee-roundish" href="' . $URL;
-                    $html .= '" title="' . esc_html__('Add to iCal Calendar', 'event_espresso') . '">';
-                    $html .= ' <span class="dashicons dashicons-calendar"></span>';
-                    $html .= '</a>';
-                    break;
-                // links are just links that use the calendar dashicon
-                case 'icon':
-                    $html .= '<a class="ee-ical-lnk" href="' . $URL . '" title="';
-                    $html .= esc_html__('Add to iCal Calendar', 'event_espresso') . '">';
-                    $html .= ' <span class="dashicons dashicons-calendar"></span>';
-                    $html .= '</a>';
-                    break;
-            }
-        }
-        return $html;
-    }
-
-
-    /**
-     *    download_ics_file
-     *
-     * @access    public
-     * @return    void
-     * @throws \EE_Error
-     */
-    public static function download_ics_file()
-    {
-        if (EE_Registry::instance()->REQ->is_set('ics_id')) {
-            $DTT_ID = absint(EE_Registry::instance()->REQ->get('ics_id'));
-            $datetime = EE_Registry::instance()->load_model('Datetime')->get_one_by_ID($DTT_ID);
-            if ($datetime instanceof EE_Datetime) {
-                // get related event, venues, and event categories
-                $event = $datetime->event();
-                if ($event instanceof EE_Event) {
-                    // get related category Term object and it's name
-                    $category = $event->first_event_category();
-                    if ($category instanceof EE_Term) {
-                        $category = $category->name();
-                    }
-                    $location = '';
-                    // get first related venue and convert to CSV string
-                    $venue = $event->venues(array('limit' => 1));
-                    if (is_array($venue) && ! empty($venue)) {
-                        $venue = array_shift($venue);
-                        if ($venue instanceof EE_Venue) {
-                            $location = espresso_venue_raw_address('inline', $venue->ID(), false);
-                        }
-                    }
-
-                    // Generate filename
-                    $filename = $event->slug() . '-' . $datetime->start_date('Y-m-d') . '.ics';
-
-                    // Check the datetime status has not been cancelled and set the ics value accordingly
-                    $status = $datetime->get_active_status();
-                    $status = $status === EE_Datetime::cancelled ? 'CANCELLED' : 'CONFIRMED';
-
-                    // Create array of ics details, escape strings, convert timestamps to ics format, etc
-                    $ics_data = array(
-                        'ORGANIZER_NAME' => EE_Registry::instance()->CFG->organization->name,
-                        'UID'            => md5($event->name() . $event->ID() . $datetime->ID()),
-                        'ORGANIZER'      => EE_Registry::instance()->CFG->organization->email,
-                        'DTSTAMP'        => date(EED_Ical::iCal_datetime_format),
-                        'LOCATION'       => $location,
-                        'SUMMARY'        => $event->name(),
-                        'DESCRIPTION'    => wp_strip_all_tags($event->description()),
-                        'STATUS'         => $status,
-                        'CATEGORIES'     => $category,
-                        'URL;VALUE=URI'  => get_permalink($event->ID()),
-                        'DTSTART'        => date(EED_Ical::iCal_datetime_format, $datetime->start()),
-                        'DTEND'          => date(EED_Ical::iCal_datetime_format, $datetime->end()),
-                    );
-
-                    // Filter the values used within the ics output.
-                    // NOTE - all values within ics_data will be escaped automatically.
-                    $ics_data = apply_filters('FHEE__EED_Ical__download_ics_file_ics_data', $ics_data, $datetime);
-
-                    // Escape all ics data
-                    foreach ($ics_data as $key => $value) {
-                        // Description is escaped differently from all all values
-                        if ($key === 'DESCRIPTION') {
-                            $ics_data[ $key ] = EED_Ical::_escape_ICal_description(wp_strip_all_tags($value));
-                        } else {
-                            $ics_data[ $key ] = EED_Ical::_escape_ICal_data($value);
-                        }
-                    }
-
-                    // Pull the organizer name from ics_data and remove it from the array.
-                    $organizer_name = isset($ics_data['ORGANIZER_NAME']) ? $ics_data['ORGANIZER_NAME'] : '';
-                    unset($ics_data['ORGANIZER_NAME']);
-
-                    // set headers
-                    header('Content-type: text/calendar; charset=utf-8');
-                    header('Content-Disposition: attachment; filename="' . $filename . '"');
-                    header('Cache-Control: private, max-age=0, must-revalidate');
-                    header('Pragma: public');
-                    header('Content-Type: application/octet-stream');
-                    header('Content-Type: application/force-download');
-                    header('Cache-Control: no-cache, must-revalidate');
-                    header('Content-Transfer-Encoding: binary');
-                    header('Expires: Sat, 26 Jul 1997 05:00:00 GMT'); // past date
-                    ini_set('zlib.output_compression', '0');
-                    // echo the output
-                    echo "BEGIN:VCALENDAR\r\n";
-                    echo "VERSION:2.0\r\n";
-                    echo "PRODID:-//{$organizer_name}//NONSGML PDA Calendar Version 1.0//EN\r\n";
-                    echo "CALSCALE:GREGORIAN\r\n";
-                    echo "BEGIN:VEVENT\r\n";
-
-                    // Output all remaining values from ics_data.
-                    foreach ($ics_data as $key => $value) {
-                        echo $key . ':' . $value . "\r\n";
-                    }
-
-                    echo "END:VEVENT\r\n";
-                    echo "END:VCALENDAR\r\n";
-                }
-            }
-        }
-        die();
-    }
-
-
-    /**
-     *    _escape_ICal_data
-     *
-     * @access    private
-     * @param    string $string
-     * @return    string
-     */
-    private static function _escape_ICal_data($string = '')
-    {
-        return preg_replace('/([\,;])/', '\\\$1', $string);
-    }
-
-    /**
-     *    _escape_ICal_description
-     *
-     * @access    private
-     * @param    string $description
-     * @return    string
-     */
-    private static function _escape_ICal_description($description = '')
-    {
-
-        // Escape special chars within the description
-        $description = EED_Ical::_escape_ICal_data($description);
-
-        // Remove line breaks and output in iCal format
-        $description = str_replace(array("\r\n", "\n"), '\n', $description);
-
-        return $description;
-    }
+	const iCal_datetime_format = 'Ymd\THis\Z';
+
+
+	/**
+	 * @return EED_Ical|EED_Module
+	 */
+	public static function instance()
+	{
+		return parent::get_instance(__CLASS__);
+	}
+
+
+	/**
+	 *    set_hooks - for hooking into EE Core, other modules, etc
+	 *
+	 * @access    public
+	 * @return    void
+	 */
+	public static function set_hooks()
+	{
+		// create download buttons
+		add_filter(
+			'FHEE__espresso_list_of_event_dates__datetime_html',
+			array('EED_Ical', 'generate_add_to_iCal_button'),
+			10,
+			2
+		);
+		// process ics download request
+		EE_Config::register_route('download_ics_file', 'EED_Ical', 'download_ics_file');
+	}
+
+
+	/**
+	 *    set_hooks_admin - for hooking into EE Admin Core, other modules, etc
+	 *
+	 * @access    public
+	 * @return    void
+	 */
+	public static function set_hooks_admin()
+	{
+	}
+
+
+	/**
+	 *    run - initial module setup
+	 *
+	 * @access    public
+	 * @param    WP $WP
+	 * @return    void
+	 */
+	public function run($WP)
+	{
+	}
+
+
+	/**
+	 *    generate_add_to_iCal_button
+	 *
+	 * @access    public
+	 * @param $html
+	 * @param $datetime
+	 * @return    string
+	 * @throws \EE_Error
+	 */
+	public static function generate_add_to_iCal_button($html, $datetime)
+	{
+		// first verify a proper datetime object has been received
+		if ($datetime instanceof EE_Datetime) {
+			// set whether a link or submit button is shown
+			$iCal_type = apply_filters('FHEE__EED_Ical__generate_add_to_iCal_button__iCal_type', 'submit');
+			// generate a link to the route we registered in set_hooks()
+			$URL = add_query_arg(array('ee' => 'download_ics_file', 'ics_id' => $datetime->ID()), site_url());
+			// what type ?
+			switch ($iCal_type) {
+				// submit buttons appear as buttons and are very compatible with a theme's style
+				case 'submit':
+					$html .= '<form id="download-iCal-frm-' . $datetime->ID();
+					$html .= '" class="download-iCal-frm" action="' . $URL . '" method="post" >';
+					$html .= '<input type="submit" class="ee-ical-sbmt" value="&#xf145;" title="';
+					$html .= esc_html__('Add to iCal Calendar', 'event_espresso') . '"/>';
+					$html .= '</form>';
+					break;
+				// buttons are just links that have been styled to appear as buttons,
+				// but may not be blend with a theme as well as submit buttons
+				case 'button':
+					$html .= '<a class="ee-ical-btn small ee-button ee-roundish" href="' . $URL;
+					$html .= '" title="' . esc_html__('Add to iCal Calendar', 'event_espresso') . '">';
+					$html .= ' <span class="dashicons dashicons-calendar"></span>';
+					$html .= '</a>';
+					break;
+				// links are just links that use the calendar dashicon
+				case 'icon':
+					$html .= '<a class="ee-ical-lnk" href="' . $URL . '" title="';
+					$html .= esc_html__('Add to iCal Calendar', 'event_espresso') . '">';
+					$html .= ' <span class="dashicons dashicons-calendar"></span>';
+					$html .= '</a>';
+					break;
+			}
+		}
+		return $html;
+	}
+
+
+	/**
+	 *    download_ics_file
+	 *
+	 * @access    public
+	 * @return    void
+	 * @throws \EE_Error
+	 */
+	public static function download_ics_file()
+	{
+		if (EE_Registry::instance()->REQ->is_set('ics_id')) {
+			$DTT_ID = absint(EE_Registry::instance()->REQ->get('ics_id'));
+			$datetime = EE_Registry::instance()->load_model('Datetime')->get_one_by_ID($DTT_ID);
+			if ($datetime instanceof EE_Datetime) {
+				// get related event, venues, and event categories
+				$event = $datetime->event();
+				if ($event instanceof EE_Event) {
+					// get related category Term object and it's name
+					$category = $event->first_event_category();
+					if ($category instanceof EE_Term) {
+						$category = $category->name();
+					}
+					$location = '';
+					// get first related venue and convert to CSV string
+					$venue = $event->venues(array('limit' => 1));
+					if (is_array($venue) && ! empty($venue)) {
+						$venue = array_shift($venue);
+						if ($venue instanceof EE_Venue) {
+							$location = espresso_venue_raw_address('inline', $venue->ID(), false);
+						}
+					}
+
+					// Generate filename
+					$filename = $event->slug() . '-' . $datetime->start_date('Y-m-d') . '.ics';
+
+					// Check the datetime status has not been cancelled and set the ics value accordingly
+					$status = $datetime->get_active_status();
+					$status = $status === EE_Datetime::cancelled ? 'CANCELLED' : 'CONFIRMED';
+
+					// Create array of ics details, escape strings, convert timestamps to ics format, etc
+					$ics_data = array(
+						'ORGANIZER_NAME' => EE_Registry::instance()->CFG->organization->name,
+						'UID'            => md5($event->name() . $event->ID() . $datetime->ID()),
+						'ORGANIZER'      => EE_Registry::instance()->CFG->organization->email,
+						'DTSTAMP'        => date(EED_Ical::iCal_datetime_format),
+						'LOCATION'       => $location,
+						'SUMMARY'        => $event->name(),
+						'DESCRIPTION'    => wp_strip_all_tags($event->description()),
+						'STATUS'         => $status,
+						'CATEGORIES'     => $category,
+						'URL;VALUE=URI'  => get_permalink($event->ID()),
+						'DTSTART'        => date(EED_Ical::iCal_datetime_format, $datetime->start()),
+						'DTEND'          => date(EED_Ical::iCal_datetime_format, $datetime->end()),
+					);
+
+					// Filter the values used within the ics output.
+					// NOTE - all values within ics_data will be escaped automatically.
+					$ics_data = apply_filters('FHEE__EED_Ical__download_ics_file_ics_data', $ics_data, $datetime);
+
+					// Escape all ics data
+					foreach ($ics_data as $key => $value) {
+						// Description is escaped differently from all all values
+						if ($key === 'DESCRIPTION') {
+							$ics_data[ $key ] = EED_Ical::_escape_ICal_description(wp_strip_all_tags($value));
+						} else {
+							$ics_data[ $key ] = EED_Ical::_escape_ICal_data($value);
+						}
+					}
+
+					// Pull the organizer name from ics_data and remove it from the array.
+					$organizer_name = isset($ics_data['ORGANIZER_NAME']) ? $ics_data['ORGANIZER_NAME'] : '';
+					unset($ics_data['ORGANIZER_NAME']);
+
+					// set headers
+					header('Content-type: text/calendar; charset=utf-8');
+					header('Content-Disposition: attachment; filename="' . $filename . '"');
+					header('Cache-Control: private, max-age=0, must-revalidate');
+					header('Pragma: public');
+					header('Content-Type: application/octet-stream');
+					header('Content-Type: application/force-download');
+					header('Cache-Control: no-cache, must-revalidate');
+					header('Content-Transfer-Encoding: binary');
+					header('Expires: Sat, 26 Jul 1997 05:00:00 GMT'); // past date
+					ini_set('zlib.output_compression', '0');
+					// echo the output
+					echo "BEGIN:VCALENDAR\r\n";
+					echo "VERSION:2.0\r\n";
+					echo "PRODID:-//{$organizer_name}//NONSGML PDA Calendar Version 1.0//EN\r\n";
+					echo "CALSCALE:GREGORIAN\r\n";
+					echo "BEGIN:VEVENT\r\n";
+
+					// Output all remaining values from ics_data.
+					foreach ($ics_data as $key => $value) {
+						echo $key . ':' . $value . "\r\n";
+					}
+
+					echo "END:VEVENT\r\n";
+					echo "END:VCALENDAR\r\n";
+				}
+			}
+		}
+		die();
+	}
+
+
+	/**
+	 *    _escape_ICal_data
+	 *
+	 * @access    private
+	 * @param    string $string
+	 * @return    string
+	 */
+	private static function _escape_ICal_data($string = '')
+	{
+		return preg_replace('/([\,;])/', '\\\$1', $string);
+	}
+
+	/**
+	 *    _escape_ICal_description
+	 *
+	 * @access    private
+	 * @param    string $description
+	 * @return    string
+	 */
+	private static function _escape_ICal_description($description = '')
+	{
+
+		// Escape special chars within the description
+		$description = EED_Ical::_escape_ICal_data($description);
+
+		// Remove line breaks and output in iCal format
+		$description = str_replace(array("\r\n", "\n"), '\n', $description);
+
+		return $description;
+	}
 }

Spacing +13 added lines, -13 removed lines

@@ -87,24 +87,24 @@ 
             switch ($iCal_type) {
                 // submit buttons appear as buttons and are very compatible with a theme's style
                 case 'submit':
-                    $html .= '<form id="download-iCal-frm-' . $datetime->ID();
-                    $html .= '" class="download-iCal-frm" action="' . $URL . '" method="post" >';
+                    $html .= '<form id="download-iCal-frm-'.$datetime->ID();
+                    $html .= '" class="download-iCal-frm" action="'.$URL.'" method="post" >';
                     $html .= '<input type="submit" class="ee-ical-sbmt" value="&#xf145;" title="';
-                    $html .= esc_html__('Add to iCal Calendar', 'event_espresso') . '"/>';
+                    $html .= esc_html__('Add to iCal Calendar', 'event_espresso').'"/>';
                     $html .= '</form>';
                     break;
                 // buttons are just links that have been styled to appear as buttons,
                 // but may not be blend with a theme as well as submit buttons
                 case 'button':
-                    $html .= '<a class="ee-ical-btn small ee-button ee-roundish" href="' . $URL;
-                    $html .= '" title="' . esc_html__('Add to iCal Calendar', 'event_espresso') . '">';
+                    $html .= '<a class="ee-ical-btn small ee-button ee-roundish" href="'.$URL;
+                    $html .= '" title="'.esc_html__('Add to iCal Calendar', 'event_espresso').'">';
                     $html .= ' <span class="dashicons dashicons-calendar"></span>';
                     $html .= '</a>';
                     break;
                 // links are just links that use the calendar dashicon
                 case 'icon':
-                    $html .= '<a class="ee-ical-lnk" href="' . $URL . '" title="';
-                    $html .= esc_html__('Add to iCal Calendar', 'event_espresso') . '">';
+                    $html .= '<a class="ee-ical-lnk" href="'.$URL.'" title="';
+                    $html .= esc_html__('Add to iCal Calendar', 'event_espresso').'">';
                     $html .= ' <span class="dashicons dashicons-calendar"></span>';
                     $html .= '</a>';
                     break;
@@ -146,7 +146,7 @@ 
                     }
 
                     // Generate filename
-                    $filename = $event->slug() . '-' . $datetime->start_date('Y-m-d') . '.ics';
+                    $filename = $event->slug().'-'.$datetime->start_date('Y-m-d').'.ics';
 
                     // Check the datetime status has not been cancelled and set the ics value accordingly
                     $status = $datetime->get_active_status();
@@ -155,7 +155,7 @@ 
                     // Create array of ics details, escape strings, convert timestamps to ics format, etc
                     $ics_data = array(
                         'ORGANIZER_NAME' => EE_Registry::instance()->CFG->organization->name,
-                        'UID'            => md5($event->name() . $event->ID() . $datetime->ID()),
+                        'UID'            => md5($event->name().$event->ID().$datetime->ID()),
                         'ORGANIZER'      => EE_Registry::instance()->CFG->organization->email,
                         'DTSTAMP'        => date(EED_Ical::iCal_datetime_format),
                         'LOCATION'       => $location,
@@ -176,9 +176,9 @@ 
                     foreach ($ics_data as $key => $value) {
                         // Description is escaped differently from all all values
                         if ($key === 'DESCRIPTION') {
-                            $ics_data[ $key ] = EED_Ical::_escape_ICal_description(wp_strip_all_tags($value));
+                            $ics_data[$key] = EED_Ical::_escape_ICal_description(wp_strip_all_tags($value));
                         } else {
-                            $ics_data[ $key ] = EED_Ical::_escape_ICal_data($value);
+                            $ics_data[$key] = EED_Ical::_escape_ICal_data($value);
                         }
                     }
 
@@ -188,7 +188,7 @@ 
 
                     // set headers
                     header('Content-type: text/calendar; charset=utf-8');
-                    header('Content-Disposition: attachment; filename="' . $filename . '"');
+                    header('Content-Disposition: attachment; filename="'.$filename.'"');
                     header('Cache-Control: private, max-age=0, must-revalidate');
                     header('Pragma: public');
                     header('Content-Type: application/octet-stream');
@@ -206,7 +206,7 @@ 
 
                     // Output all remaining values from ics_data.
                     foreach ($ics_data as $key => $value) {
-                        echo $key . ':' . $value . "\r\n";
+                        echo $key.':'.$value."\r\n";
                     }
 
                     echo "END:VEVENT\r\n";

admin_pages/messages/Messages_Admin_Page.core.php

Indentation +4537 added lines, -4537 removed lines

@@ -19,2638 +19,2638 @@ 
 class Messages_Admin_Page extends EE_Admin_Page
 {
 
-    /**
-     * @type EE_Message_Resource_Manager $_message_resource_manager
-     */
-    protected $_message_resource_manager;
-
-    /**
-     * @type string $_active_message_type_name
-     */
-    protected $_active_message_type_name = '';
-
-    /**
-     * @type EE_messenger $_active_messenger
-     */
-    protected $_active_messenger;
-    protected $_activate_state;
-    protected $_activate_meta_box_type;
-    protected $_current_message_meta_box;
-    protected $_current_message_meta_box_object;
-    protected $_context_switcher;
-    protected $_shortcodes = array();
-    protected $_active_messengers = array();
-    protected $_active_message_types = array();
-
-    /**
-     * @var EE_Message_Template_Group $_message_template_group
-     */
-    protected $_message_template_group;
-    protected $_m_mt_settings = array();
-
-
-    /**
-     * This is set via the _set_message_template_group method and holds whatever the template pack for the group is.
-     * IF there is no group then it gets automatically set to the Default template pack.
-     *
-     * @since 4.5.0
-     *
-     * @var EE_Messages_Template_Pack
-     */
-    protected $_template_pack;
-
-
-    /**
-     * This is set via the _set_message_template_group method and holds whatever the template pack variation for the
-     * group is.  If there is no group then it automatically gets set to default.
-     *
-     * @since 4.5.0
-     *
-     * @var string
-     */
-    protected $_variation;
-
-
-    /**
-     * @param bool $routing
-     * @throws EE_Error
-     */
-    public function __construct($routing = true)
-    {
-        // make sure messages autoloader is running
-        EED_Messages::set_autoloaders();
-        parent::__construct($routing);
-    }
-
-
-    protected function _init_page_props()
-    {
-        $this->page_slug = EE_MSG_PG_SLUG;
-        $this->page_label = esc_html__('Messages Settings', 'event_espresso');
-        $this->_admin_base_url = EE_MSG_ADMIN_URL;
-        $this->_admin_base_path = EE_MSG_ADMIN;
-
-        $this->_activate_state = isset($this->_req_data['activate_state']) ? (array) $this->_req_data['activate_state']
-            : array();
-
-        $this->_active_messenger = isset($this->_req_data['messenger']) ? $this->_req_data['messenger'] : null;
-        $this->_load_message_resource_manager();
-    }
-
-
-    /**
-     * loads messenger objects into the $_active_messengers property (so we can access the needed methods)
-     *
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     */
-    protected function _load_message_resource_manager()
-    {
-        $this->_message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-    }
-
-
-    /**
-     * @deprecated 4.9.9.rc.014
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function get_messengers_for_list_table()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                esc_html__(
-                    'This method is no longer in use.  There is no replacement for it. The method was used to generate a set of values for use in creating a messenger filter dropdown which is now generated differently via %s',
-                    'event_espresso'
-                ),
-                'Messages_Admin_Page::get_messengers_select_input()'
-            ),
-            '4.9.9.rc.014'
-        );
-
-        $m_values = array();
-        $active_messengers = EEM_Message::instance()->get_all(array('group_by' => 'MSG_messenger'));
-        // setup messengers for selects
-        $i = 1;
-        foreach ($active_messengers as $active_messenger) {
-            if ($active_messenger instanceof EE_Message) {
-                $m_values[ $i ]['id'] = $active_messenger->messenger();
-                $m_values[ $i ]['text'] = ucwords($active_messenger->messenger_label());
-                $i++;
-            }
-        }
-
-        return $m_values;
-    }
-
-
-    /**
-     * @deprecated 4.9.9.rc.014
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function get_message_types_for_list_table()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                esc_html__(
-                    'This method is no longer in use.  There is no replacement for it. The method was used to generate a set of values for use in creating a message type filter dropdown which is now generated differently via %s',
-                    'event_espresso'
-                ),
-                'Messages_Admin_Page::get_message_types_select_input()'
-            ),
-            '4.9.9.rc.014'
-        );
-
-        $mt_values = array();
-        $active_messages = EEM_Message::instance()->get_all(array('group_by' => 'MSG_message_type'));
-        $i = 1;
-        foreach ($active_messages as $active_message) {
-            if ($active_message instanceof EE_Message) {
-                $mt_values[ $i ]['id'] = $active_message->message_type();
-                $mt_values[ $i ]['text'] = ucwords($active_message->message_type_label());
-                $i++;
-            }
-        }
-
-        return $mt_values;
-    }
-
-
-    /**
-     * @deprecated 4.9.9.rc.014
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function get_contexts_for_message_types_for_list_table()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                esc_html__(
-                    'This method is no longer in use.  There is no replacement for it. The method was used to generate a set of values for use in creating a message type context filter dropdown which is now generated differently via %s',
-                    'event_espresso'
-                ),
-                'Messages_Admin_Page::get_contexts_for_message_types_select_input()'
-            ),
-            '4.9.9.rc.014'
-        );
-
-        $contexts = array();
-        $active_message_contexts = EEM_Message::instance()->get_all(array('group_by' => 'MSG_context'));
-        foreach ($active_message_contexts as $active_message) {
-            if ($active_message instanceof EE_Message) {
-                $message_type = $active_message->message_type_object();
-                if ($message_type instanceof EE_message_type) {
-                    $message_type_contexts = $message_type->get_contexts();
-                    foreach ($message_type_contexts as $context => $context_details) {
-                        $contexts[ $context ] = $context_details['label'];
-                    }
-                }
-            }
-        }
-
-        return $contexts;
-    }
-
-
-    /**
-     * Generate select input with provided messenger options array.
-     *
-     * @param array $messenger_options Array of messengers indexed by messenger slug and values are the messenger
-     *                                 labels.
-     * @return string
-     * @throws EE_Error
-     */
-    public function get_messengers_select_input($messenger_options)
-    {
-        // if empty or just one value then just return an empty string
-        if (empty($messenger_options)
-            || ! is_array($messenger_options)
-            || count($messenger_options) === 1
-        ) {
-            return '';
-        }
-        // merge in default
-        $messenger_options = array_merge(
-            array('none_selected' => esc_html__('Show All Messengers', 'event_espresso')),
-            $messenger_options
-        );
-        $input = new EE_Select_Input(
-            $messenger_options,
-            array(
-                'html_name'  => 'ee_messenger_filter_by',
-                'html_id'    => 'ee_messenger_filter_by',
-                'html_class' => 'wide',
-                'default'    => isset($this->_req_data['ee_messenger_filter_by'])
-                    ? sanitize_title($this->_req_data['ee_messenger_filter_by'])
-                    : 'none_selected',
-            )
-        );
-
-        return $input->get_html_for_input();
-    }
-
-
-    /**
-     * Generate select input with provided message type options array.
-     *
-     * @param array $message_type_options Array of message types indexed by message type slug, and values are the
-     *                                    message type labels
-     * @return string
-     * @throws EE_Error
-     */
-    public function get_message_types_select_input($message_type_options)
-    {
-        // if empty or count of options is 1 then just return an empty string
-        if (empty($message_type_options)
-            || ! is_array($message_type_options)
-            || count($message_type_options) === 1
-        ) {
-            return '';
-        }
-        // merge in default
-        $message_type_options = array_merge(
-            array('none_selected' => esc_html__('Show All Message Types', 'event_espresso')),
-            $message_type_options
-        );
-        $input = new EE_Select_Input(
-            $message_type_options,
-            array(
-                'html_name'  => 'ee_message_type_filter_by',
-                'html_id'    => 'ee_message_type_filter_by',
-                'html_class' => 'wide',
-                'default'    => isset($this->_req_data['ee_message_type_filter_by'])
-                    ? sanitize_title($this->_req_data['ee_message_type_filter_by'])
-                    : 'none_selected',
-            )
-        );
-
-        return $input->get_html_for_input();
-    }
-
-
-    /**
-     * Generate select input with provide message type contexts array.
-     *
-     * @param array $context_options Array of message type contexts indexed by context slug, and values are the
-     *                               context label.
-     * @return string
-     * @throws EE_Error
-     */
-    public function get_contexts_for_message_types_select_input($context_options)
-    {
-        // if empty or count of options is one then just return empty string
-        if (empty($context_options)
-            || ! is_array($context_options)
-            || count($context_options) === 1
-        ) {
-            return '';
-        }
-        // merge in default
-        $context_options = array_merge(
-            array('none_selected' => esc_html__('Show all Contexts', 'event_espresso')),
-            $context_options
-        );
-        $input = new EE_Select_Input(
-            $context_options,
-            array(
-                'html_name'  => 'ee_context_filter_by',
-                'html_id'    => 'ee_context_filter_by',
-                'html_class' => 'wide',
-                'default'    => isset($this->_req_data['ee_context_filter_by'])
-                    ? sanitize_title($this->_req_data['ee_context_filter_by'])
-                    : 'none_selected',
-            )
-        );
-
-        return $input->get_html_for_input();
-    }
-
-
-    protected function _ajax_hooks()
-    {
-        add_action('wp_ajax_activate_messenger', array($this, 'activate_messenger_toggle'));
-        add_action('wp_ajax_activate_mt', array($this, 'activate_mt_toggle'));
-        add_action('wp_ajax_ee_msgs_save_settings', array($this, 'save_settings'));
-        add_action('wp_ajax_ee_msgs_update_mt_form', array($this, 'update_mt_form'));
-        add_action('wp_ajax_switch_template_pack', array($this, 'switch_template_pack'));
-        add_action('wp_ajax_toggle_context_template', array($this, 'toggle_context_template'));
-    }
-
-
-    protected function _define_page_props()
-    {
-        $this->_admin_page_title = $this->page_label;
-        $this->_labels = array(
-            'buttons'    => array(
-                'add'    => esc_html__('Add New Message Template', 'event_espresso'),
-                'edit'   => esc_html__('Edit Message Template', 'event_espresso'),
-                'delete' => esc_html__('Delete Message Template', 'event_espresso'),
-            ),
-            'publishbox' => esc_html__('Update Actions', 'event_espresso'),
-        );
-    }
-
-
-    /**
-     *        an array for storing key => value pairs of request actions and their corresponding methods
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _set_page_routes()
-    {
-        $grp_id = ! empty($this->_req_data['GRP_ID']) && ! is_array($this->_req_data['GRP_ID'])
-            ? $this->_req_data['GRP_ID']
-            : 0;
-        $grp_id = empty($grp_id) && ! empty($this->_req_data['id'])
-            ? $this->_req_data['id']
-            : $grp_id;
-        $msg_id = ! empty($this->_req_data['MSG_ID']) && ! is_array($this->_req_data['MSG_ID'])
-            ? $this->_req_data['MSG_ID']
-            : 0;
-
-        $this->_page_routes = array(
-            'default'                          => array(
-                'func'       => '_message_queue_list_table',
-                'capability' => 'ee_read_global_messages',
-            ),
-            'global_mtps'                      => array(
-                'func'       => '_ee_default_messages_overview_list_table',
-                'capability' => 'ee_read_global_messages',
-            ),
-            'custom_mtps'                      => array(
-                'func'       => '_custom_mtps_preview',
-                'capability' => 'ee_read_messages',
-            ),
-            'add_new_message_template'         => array(
-                'func'       => '_add_message_template',
-                'capability' => 'ee_edit_messages',
-                'noheader'   => true,
-            ),
-            'edit_message_template'            => array(
-                'func'       => '_edit_message_template',
-                'capability' => 'ee_edit_message',
-                'obj_id'     => $grp_id,
-            ),
-            'preview_message'                  => array(
-                'func'               => '_preview_message',
-                'capability'         => 'ee_read_message',
-                'obj_id'             => $grp_id,
-                'noheader'           => true,
-                'headers_sent_route' => 'display_preview_message',
-            ),
-            'display_preview_message'          => array(
-                'func'       => '_display_preview_message',
-                'capability' => 'ee_read_message',
-                'obj_id'     => $grp_id,
-            ),
-            'insert_message_template'          => array(
-                'func'       => '_insert_or_update_message_template',
-                'capability' => 'ee_edit_messages',
-                'args'       => array('new_template' => true),
-                'noheader'   => true,
-            ),
-            'update_message_template'          => array(
-                'func'       => '_insert_or_update_message_template',
-                'capability' => 'ee_edit_message',
-                'obj_id'     => $grp_id,
-                'args'       => array('new_template' => false),
-                'noheader'   => true,
-            ),
-            'trash_message_template'           => array(
-                'func'       => '_trash_or_restore_message_template',
-                'capability' => 'ee_delete_message',
-                'obj_id'     => $grp_id,
-                'args'       => array('trash' => true, 'all' => true),
-                'noheader'   => true,
-            ),
-            'trash_message_template_context'   => array(
-                'func'       => '_trash_or_restore_message_template',
-                'capability' => 'ee_delete_message',
-                'obj_id'     => $grp_id,
-                'args'       => array('trash' => true),
-                'noheader'   => true,
-            ),
-            'restore_message_template'         => array(
-                'func'       => '_trash_or_restore_message_template',
-                'capability' => 'ee_delete_message',
-                'obj_id'     => $grp_id,
-                'args'       => array('trash' => false, 'all' => true),
-                'noheader'   => true,
-            ),
-            'restore_message_template_context' => array(
-                'func'       => '_trash_or_restore_message_template',
-                'capability' => 'ee_delete_message',
-                'obj_id'     => $grp_id,
-                'args'       => array('trash' => false),
-                'noheader'   => true,
-            ),
-            'delete_message_template'          => array(
-                'func'       => '_delete_message_template',
-                'capability' => 'ee_delete_message',
-                'obj_id'     => $grp_id,
-                'noheader'   => true,
-            ),
-            'reset_to_default'                 => array(
-                'func'       => '_reset_to_default_template',
-                'capability' => 'ee_edit_message',
-                'obj_id'     => $grp_id,
-                'noheader'   => true,
-            ),
-            'settings'                         => array(
-                'func'       => '_settings',
-                'capability' => 'manage_options',
-            ),
-            'update_global_settings'           => array(
-                'func'       => '_update_global_settings',
-                'capability' => 'manage_options',
-                'noheader'   => true,
-            ),
-            'generate_now'                     => array(
-                'func'       => '_generate_now',
-                'capability' => 'ee_send_message',
-                'noheader'   => true,
-            ),
-            'generate_and_send_now'            => array(
-                'func'       => '_generate_and_send_now',
-                'capability' => 'ee_send_message',
-                'noheader'   => true,
-            ),
-            'queue_for_resending'              => array(
-                'func'       => '_queue_for_resending',
-                'capability' => 'ee_send_message',
-                'noheader'   => true,
-            ),
-            'send_now'                         => array(
-                'func'       => '_send_now',
-                'capability' => 'ee_send_message',
-                'noheader'   => true,
-            ),
-            'delete_ee_message'                => array(
-                'func'       => '_delete_ee_messages',
-                'capability' => 'ee_delete_messages',
-                'noheader'   => true,
-            ),
-            'delete_ee_messages'               => array(
-                'func'       => '_delete_ee_messages',
-                'capability' => 'ee_delete_messages',
-                'noheader'   => true,
-                'obj_id'     => $msg_id,
-            ),
-        );
-    }
-
-
-    protected function _set_page_config()
-    {
-        $this->_page_config = array(
-            'default'                  => array(
-                'nav'           => array(
-                    'label' => esc_html__('Message Activity', 'event_espresso'),
-                    'order' => 10,
-                ),
-                'list_table'    => 'EE_Message_List_Table',
-                // 'qtips' => array( 'EE_Message_List_Table_Tips' ),
-                'require_nonce' => false,
-            ),
-            'global_mtps'              => array(
-                'nav'           => array(
-                    'label' => esc_html__('Default Message Templates', 'event_espresso'),
-                    'order' => 20,
-                ),
-                'list_table'    => 'Messages_Template_List_Table',
-                'help_tabs'     => array(
-                    'messages_overview_help_tab'                                => array(
-                        'title'    => esc_html__('Messages Overview', 'event_espresso'),
-                        'filename' => 'messages_overview',
-                    ),
-                    'messages_overview_messages_table_column_headings_help_tab' => array(
-                        'title'    => esc_html__('Messages Table Column Headings', 'event_espresso'),
-                        'filename' => 'messages_overview_table_column_headings',
-                    ),
-                    'messages_overview_messages_filters_help_tab'               => array(
-                        'title'    => esc_html__('Message Filters', 'event_espresso'),
-                        'filename' => 'messages_overview_filters',
-                    ),
-                    'messages_overview_messages_views_help_tab'                 => array(
-                        'title'    => esc_html__('Message Views', 'event_espresso'),
-                        'filename' => 'messages_overview_views',
-                    ),
-                    'message_overview_message_types_help_tab'                   => array(
-                        'title'    => esc_html__('Message Types', 'event_espresso'),
-                        'filename' => 'messages_overview_types',
-                    ),
-                    'messages_overview_messengers_help_tab'                     => array(
-                        'title'    => esc_html__('Messengers', 'event_espresso'),
-                        'filename' => 'messages_overview_messengers',
-                    ),
-                ),
-                'help_tour'     => array('Messages_Overview_Help_Tour'),
-                'require_nonce' => false,
-            ),
-            'custom_mtps'              => array(
-                'nav'           => array(
-                    'label' => esc_html__('Custom Message Templates', 'event_espresso'),
-                    'order' => 30,
-                ),
-                'help_tabs'     => array(),
-                'help_tour'     => array(),
-                'require_nonce' => false,
-            ),
-            'add_new_message_template' => array(
-                'nav'           => array(
-                    'label'      => esc_html__('Add New Message Templates', 'event_espresso'),
-                    'order'      => 5,
-                    'persistent' => false,
-                ),
-                'require_nonce' => false,
-            ),
-            'edit_message_template'    => array(
-                'labels'        => array(
-                    'buttons'    => array(
-                        'reset' => esc_html__('Reset Templates', 'event_espresso'),
-                    ),
-                    'publishbox' => esc_html__('Update Actions', 'event_espresso'),
-                ),
-                'nav'           => array(
-                    'label'      => esc_html__('Edit Message Templates', 'event_espresso'),
-                    'order'      => 5,
-                    'persistent' => false,
-                    'url'        => '',
-                ),
-                'metaboxes'     => array('_publish_post_box', '_register_edit_meta_boxes'),
-                'has_metaboxes' => true,
-                'help_tour'     => array('Message_Templates_Edit_Help_Tour'),
-                'help_tabs'     => array(
-                    'edit_message_template'            => array(
-                        'title'    => esc_html__('Message Template Editor', 'event_espresso'),
-                        'callback' => 'edit_message_template_help_tab',
-                    ),
-                    'message_templates_help_tab'       => array(
-                        'title'    => esc_html__('Message Templates', 'event_espresso'),
-                        'filename' => 'messages_templates',
-                    ),
-                    'message_template_shortcodes'      => array(
-                        'title'    => esc_html__('Message Shortcodes', 'event_espresso'),
-                        'callback' => 'message_template_shortcodes_help_tab',
-                    ),
-                    'message_preview_help_tab'         => array(
-                        'title'    => esc_html__('Message Preview', 'event_espresso'),
-                        'filename' => 'messages_preview',
-                    ),
-                    'messages_overview_other_help_tab' => array(
-                        'title'    => esc_html__('Messages Other', 'event_espresso'),
-                        'filename' => 'messages_overview_other',
-                    ),
-                ),
-                'require_nonce' => false,
-            ),
-            'display_preview_message'  => array(
-                'nav'           => array(
-                    'label'      => esc_html__('Message Preview', 'event_espresso'),
-                    'order'      => 5,
-                    'url'        => '',
-                    'persistent' => false,
-                ),
-                'help_tabs'     => array(
-                    'preview_message' => array(
-                        'title'    => esc_html__('About Previews', 'event_espresso'),
-                        'callback' => 'preview_message_help_tab',
-                    ),
-                ),
-                'require_nonce' => false,
-            ),
-            'settings'                 => array(
-                'nav'           => array(
-                    'label' => esc_html__('Settings', 'event_espresso'),
-                    'order' => 40,
-                ),
-                'metaboxes'     => array('_messages_settings_metaboxes'),
-                'help_tabs'     => array(
-                    'messages_settings_help_tab'               => array(
-                        'title'    => esc_html__('Messages Settings', 'event_espresso'),
-                        'filename' => 'messages_settings',
-                    ),
-                    'messages_settings_message_types_help_tab' => array(
-                        'title'    => esc_html__('Activating / Deactivating Message Types', 'event_espresso'),
-                        'filename' => 'messages_settings_message_types',
-                    ),
-                    'messages_settings_messengers_help_tab'    => array(
-                        'title'    => esc_html__('Activating / Deactivating Messengers', 'event_espresso'),
-                        'filename' => 'messages_settings_messengers',
-                    ),
-                ),
-                'help_tour'     => array('Messages_Settings_Help_Tour'),
-                'require_nonce' => false,
-            ),
-        );
-    }
-
-
-    protected function _add_screen_options()
-    {
-        // todo
-    }
-
-
-    protected function _add_screen_options_global_mtps()
-    {
-        /**
-         * Note: the reason for the value swap here on $this->_admin_page_title is because $this->_per_page_screen_options
-         * uses the $_admin_page_title property and we want different outputs in the different spots.
-         */
-        $page_title = $this->_admin_page_title;
-        $this->_admin_page_title = esc_html__('Global Message Templates', 'event_espresso');
-        $this->_per_page_screen_option();
-        $this->_admin_page_title = $page_title;
-    }
-
-
-    protected function _add_screen_options_default()
-    {
-        $this->_admin_page_title = esc_html__('Message Activity', 'event_espresso');
-        $this->_per_page_screen_option();
-    }
-
-
-    // none of the below group are currently used for Messages
-    protected function _add_feature_pointers()
-    {
-    }
-
-    public function admin_init()
-    {
-    }
-
-    public function admin_notices()
-    {
-    }
-
-    public function admin_footer_scripts()
-    {
-    }
-
-
-    public function messages_help_tab()
-    {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_help_tab.template.php');
-    }
-
-
-    public function messengers_help_tab()
-    {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_messenger_help_tab.template.php');
-    }
-
-
-    public function message_types_help_tab()
-    {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_message_type_help_tab.template.php');
-    }
-
-
-    public function messages_overview_help_tab()
-    {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_overview_help_tab.template.php');
-    }
-
-
-    public function message_templates_help_tab()
-    {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_message_templates_help_tab.template.php');
-    }
-
-
-    public function edit_message_template_help_tab()
-    {
-        $args['img1'] = '<img src="' . EE_MSG_ASSETS_URL . 'images/editor.png' . '" alt="'
-                        . esc_attr__('Editor Title', 'event_espresso')
-                        . '" />';
-        $args['img2'] = '<img src="' . EE_MSG_ASSETS_URL . 'images/switch-context.png' . '" alt="'
-                        . esc_attr__('Context Switcher and Preview', 'event_espresso')
-                        . '" />';
-        $args['img3'] = '<img class="left" src="' . EE_MSG_ASSETS_URL . 'images/form-fields.png' . '" alt="'
-                        . esc_attr__('Message Template Form Fields', 'event_espresso')
-                        . '" />';
-        $args['img4'] = '<img class="right" src="' . EE_MSG_ASSETS_URL . 'images/shortcodes-metabox.png' . '" alt="'
-                        . esc_attr__('Shortcodes Metabox', 'event_espresso')
-                        . '" />';
-        $args['img5'] = '<img class="right" src="' . EE_MSG_ASSETS_URL . 'images/publish-meta-box.png' . '" alt="'
-                        . esc_attr__('Publish Metabox', 'event_espresso')
-                        . '" />';
-        EEH_Template::display_template(
-            EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_templates_editor_help_tab.template.php',
-            $args
-        );
-    }
-
-
-    public function message_template_shortcodes_help_tab()
-    {
-        $this->_set_shortcodes();
-        $args['shortcodes'] = $this->_shortcodes;
-        EEH_Template::display_template(
-            EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_shortcodes_help_tab.template.php',
-            $args
-        );
-    }
-
-
-    public function preview_message_help_tab()
-    {
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_preview_help_tab.template.php');
-    }
-
-
-    public function settings_help_tab()
-    {
-        $args['img1'] = '<img class="inline-text" src="' . EE_MSG_ASSETS_URL . 'images/email-tab-active.png'
-                        . '" alt="' . esc_attr__('Active Email Tab', 'event_espresso') . '" />';
-        $args['img2'] = '<img class="inline-text" src="' . EE_MSG_ASSETS_URL . 'images/email-tab-inactive.png'
-                        . '" alt="' . esc_attr__('Inactive Email Tab', 'event_espresso') . '" />';
-        $args['img3'] = '<div class="switch">'
-                        . '<input class="ee-on-off-toggle ee-toggle-round-flat"'
-                        . ' type="checkbox" checked="checked">'
-                        . '<label for="ee-on-off-toggle-on"></label>'
-                        . '</div>';
-        $args['img4'] = '<div class="switch">'
-                        . '<input class="ee-on-off-toggle ee-toggle-round-flat"'
-                        . ' type="checkbox">'
-                        . '<label for="ee-on-off-toggle-on"></label>'
-                        . '</div>';
-        EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_settings_help_tab.template.php', $args);
-    }
-
-
-    public function load_scripts_styles()
-    {
-        wp_register_style('espresso_ee_msg', EE_MSG_ASSETS_URL . 'ee_message_admin.css', EVENT_ESPRESSO_VERSION);
-        wp_enqueue_style('espresso_ee_msg');
-
-        wp_register_script(
-            'ee-messages-settings',
-            EE_MSG_ASSETS_URL . 'ee-messages-settings.js',
-            array('jquery-ui-droppable', 'ee-serialize-full-array'),
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        wp_register_script(
-            'ee-msg-list-table-js',
-            EE_MSG_ASSETS_URL . 'ee_message_admin_list_table.js',
-            array('ee-dialog'),
-            EVENT_ESPRESSO_VERSION
-        );
-    }
-
-
-    public function load_scripts_styles_default()
-    {
-        wp_enqueue_script('ee-msg-list-table-js');
-    }
-
-
-    public function wp_editor_css($mce_css)
-    {
-        // if we're on the edit_message_template route
-        if ($this->_req_action === 'edit_message_template' && $this->_active_messenger instanceof EE_messenger) {
-            $message_type_name = $this->_active_message_type_name;
-
-            // we're going to REPLACE the existing mce css
-            // we need to get the css file location from the active messenger
-            $mce_css = $this->_active_messenger->get_variation(
-                $this->_template_pack,
-                $message_type_name,
-                true,
-                'wpeditor',
-                $this->_variation
-            );
-        }
-
-        return $mce_css;
-    }
-
-
-    public function load_scripts_styles_edit_message_template()
-    {
-
-        $this->_set_shortcodes();
-
-        EE_Registry::$i18n_js_strings['confirm_default_reset'] = sprintf(
-            esc_html__(
-                'Are you sure you want to reset the %s %s message templates?  Remember continuing will reset the templates for all contexts in this messenger and message type group.',
-                'event_espresso'
-            ),
-            $this->_message_template_group->messenger_obj()->label['singular'],
-            $this->_message_template_group->message_type_obj()->label['singular']
-        );
-        EE_Registry::$i18n_js_strings['confirm_switch_template_pack'] = esc_html__(
-            'Switching the template pack for a messages template will reset the content for the template so the new layout is loaded.  Any custom content in the existing template will be lost. Are you sure you wish to do this?',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['server_error'] = esc_html__(
-            'An unknown error occurred on the server while attempting to process your request. Please refresh the page and try again or contact support.',
-            'event_espresso'
-        );
-
-        wp_register_script(
-            'ee_msgs_edit_js',
-            EE_MSG_ASSETS_URL . 'ee_message_editor.js',
-            array('jquery'),
-            EVENT_ESPRESSO_VERSION
-        );
-
-        wp_enqueue_script('ee_admin_js');
-        wp_enqueue_script('ee_msgs_edit_js');
-
-        // add in special css for tiny_mce
-        add_filter('mce_css', array($this, 'wp_editor_css'));
-    }
-
-
-    public function load_scripts_styles_display_preview_message()
-    {
-
-        $this->_set_message_template_group();
-
-        if (isset($this->_req_data['messenger'])) {
-            $this->_active_messenger = $this->_message_resource_manager->get_active_messenger(
-                $this->_req_data['messenger']
-            );
-        }
-
-        $message_type_name = isset($this->_req_data['message_type']) ? $this->_req_data['message_type'] : '';
-
-
-        wp_enqueue_style(
-            'espresso_preview_css',
-            $this->_active_messenger->get_variation(
-                $this->_template_pack,
-                $message_type_name,
-                true,
-                'preview',
-                $this->_variation
-            )
-        );
-    }
-
-
-    public function load_scripts_styles_settings()
-    {
-        wp_register_style(
-            'ee-message-settings',
-            EE_MSG_ASSETS_URL . 'ee_message_settings.css',
-            array(),
-            EVENT_ESPRESSO_VERSION
-        );
-        wp_enqueue_style('ee-text-links');
-        wp_enqueue_style('ee-message-settings');
-        wp_enqueue_script('ee-messages-settings');
-    }
-
-
-    /**
-     * set views array for List Table
-     */
-    public function _set_list_table_views_global_mtps()
-    {
-        $this->_views = array(
-            'in_use' => array(
-                'slug'  => 'in_use',
-                'label' => esc_html__('In Use', 'event_espresso'),
-                'count' => 0,
-            ),
-        );
-    }
-
-
-    /**
-     * Set views array for the Custom Template List Table
-     */
-    public function _set_list_table_views_custom_mtps()
-    {
-        $this->_set_list_table_views_global_mtps();
-        $this->_views['in_use']['bulk_action'] = array(
-            'trash_message_template' => esc_html__('Move to Trash', 'event_espresso'),
-        );
-    }
-
-
-    /**
-     * set views array for message queue list table
-     *
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function _set_list_table_views_default()
-    {
-        EE_Registry::instance()->load_helper('Template');
-
-        $common_bulk_actions = EE_Registry::instance()->CAP->current_user_can(
-            'ee_send_message',
-            'message_list_table_bulk_actions'
-        )
-            ? array(
-                'generate_now'          => esc_html__('Generate Now', 'event_espresso'),
-                'generate_and_send_now' => esc_html__('Generate and Send Now', 'event_espresso'),
-                'queue_for_resending'   => esc_html__('Queue for Resending', 'event_espresso'),
-                'send_now'              => esc_html__('Send Now', 'event_espresso'),
-            )
-            : array();
-
-        $delete_bulk_action = EE_Registry::instance()->CAP->current_user_can(
-            'ee_delete_messages',
-            'message_list_table_bulk_actions'
-        )
-            ? array('delete_ee_messages' => esc_html__('Delete Messages', 'event_espresso'))
-            : array();
-
-
-        $this->_views = array(
-            'all' => array(
-                'slug'        => 'all',
-                'label'       => esc_html__('All', 'event_espresso'),
-                'count'       => 0,
-                'bulk_action' => array_merge($common_bulk_actions, $delete_bulk_action),
-            ),
-        );
-
-
-        foreach (EEM_Message::instance()->all_statuses() as $status) {
-            if ($status === EEM_Message::status_debug_only && ! EEM_Message::debug()) {
-                continue;
-            }
-            $status_bulk_actions = $common_bulk_actions;
-            // unset bulk actions not applying to status
-            if (! empty($status_bulk_actions)) {
-                switch ($status) {
-                    case EEM_Message::status_idle:
-                    case EEM_Message::status_resend:
-                        $status_bulk_actions['send_now'] = $common_bulk_actions['send_now'];
-                        break;
-
-                    case EEM_Message::status_failed:
-                    case EEM_Message::status_debug_only:
-                    case EEM_Message::status_messenger_executing:
-                        $status_bulk_actions = array();
-                        break;
-
-                    case EEM_Message::status_incomplete:
-                        unset($status_bulk_actions['queue_for_resending'], $status_bulk_actions['send_now']);
-                        break;
-
-                    case EEM_Message::status_retry:
-                    case EEM_Message::status_sent:
-                        unset($status_bulk_actions['generate_now'], $status_bulk_actions['generate_and_send_now']);
-                        break;
-                }
-            }
-
-            // skip adding messenger executing status to views because it will be included with the Failed view.
-            if ($status === EEM_Message::status_messenger_executing) {
-                continue;
-            }
-
-            $this->_views[ strtolower($status) ] = array(
-                'slug'        => strtolower($status),
-                'label'       => EEH_Template::pretty_status($status, false, 'sentence'),
-                'count'       => 0,
-                'bulk_action' => array_merge($status_bulk_actions, $delete_bulk_action),
-            );
-        }
-    }
-
-
-    protected function _ee_default_messages_overview_list_table()
-    {
-        $this->_admin_page_title = esc_html__('Default Message Templates', 'event_espresso');
-        $this->display_admin_list_table_page_with_no_sidebar();
-    }
-
-
-    protected function _message_queue_list_table()
-    {
-        $this->_search_btn_label = esc_html__('Message Activity', 'event_espresso');
-        $this->_template_args['per_column'] = 6;
-        $this->_template_args['after_list_table'] = $this->_display_legend($this->_message_legend_items());
-        $this->_template_args['before_list_table'] = '<h3>'
-                                                     . EEM_Message::instance()->get_pretty_label_for_results()
-                                                     . '</h3>';
-        $this->display_admin_list_table_page_with_no_sidebar();
-    }
-
-
-    protected function _message_legend_items()
-    {
-
-        $action_css_classes = EEH_MSG_Template::get_message_action_icons();
-        $action_items = array();
-
-        foreach ($action_css_classes as $action_item => $action_details) {
-            if ($action_item === 'see_notifications_for') {
-                continue;
-            }
-            $action_items[ $action_item ] = array(
-                'class' => $action_details['css_class'],
-                'desc'  => $action_details['label'],
-            );
-        }
-
-        /** @type array $status_items status legend setup */
-        $status_items = array(
-            'sent_status'                => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_sent,
-                'desc'  => EEH_Template::pretty_status(EEM_Message::status_sent, false, 'sentence'),
-            ),
-            'idle_status'                => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_idle,
-                'desc'  => EEH_Template::pretty_status(EEM_Message::status_idle, false, 'sentence'),
-            ),
-            'failed_status'              => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_failed,
-                'desc'  => EEH_Template::pretty_status(EEM_Message::status_failed, false, 'sentence'),
-            ),
-            'messenger_executing_status' => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_messenger_executing,
-                'desc'  => EEH_Template::pretty_status(EEM_Message::status_messenger_executing, false, 'sentence'),
-            ),
-            'resend_status'              => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_resend,
-                'desc'  => EEH_Template::pretty_status(EEM_Message::status_resend, false, 'sentence'),
-            ),
-            'incomplete_status'          => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_incomplete,
-                'desc'  => EEH_Template::pretty_status(EEM_Message::status_incomplete, false, 'sentence'),
-            ),
-            'retry_status'               => array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_retry,
-                'desc'  => EEH_Template::pretty_status(EEM_Message::status_retry, false, 'sentence'),
-            ),
-        );
-        if (EEM_Message::debug()) {
-            $status_items['debug_only_status'] = array(
-                'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_debug_only,
-                'desc'  => EEH_Template::pretty_status(EEM_Message::status_debug_only, false, 'sentence'),
-            );
-        }
-
-        return array_merge($action_items, $status_items);
-    }
-
-
-    protected function _custom_mtps_preview()
-    {
-        $this->_admin_page_title = esc_html__('Custom Message Templates (Preview)', 'event_espresso');
-        $this->_template_args['preview_img'] = '<img src="' . EE_MSG_ASSETS_URL . 'images/custom_mtps_preview.png"'
-                                               . ' alt="' . esc_attr__(
-                                                   'Preview Custom Message Templates screenshot',
-                                                   'event_espresso'
-                                               ) . '" />';
-        $this->_template_args['preview_text'] = '<strong>'
-                                                . esc_html__(
-                                                    'Custom Message Templates is a feature that is only available in the premium version of Event Espresso 4 which is available with a support license purchase on EventEspresso.com. With the Custom Message Templates feature, you are able to create custom message templates and assign them on a per-event basis.',
-                                                    'event_espresso'
-                                                )
-                                                . '</strong>';
-
-        $this->display_admin_caf_preview_page('custom_message_types', false);
-    }
-
-
-    /**
-     * get_message_templates
-     * This gets all the message templates for listing on the overview list.
-     *
-     * @access public
-     * @param int    $perpage the amount of templates groups to show per page
-     * @param string $type    the current _view we're getting templates for
-     * @param bool   $count   return count?
-     * @param bool   $all     disregard any paging info (get all data);
-     * @param bool   $global  whether to return just global (true) or custom templates (false)
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function get_message_templates(
-        $perpage = 10,
-        $type = 'in_use',
-        $count = false,
-        $all = false,
-        $global = true
-    ) {
-
-        $MTP = EEM_Message_Template_Group::instance();
-
-        $this->_req_data['orderby'] = empty($this->_req_data['orderby']) ? 'GRP_ID' : $this->_req_data['orderby'];
-        $orderby = $this->_req_data['orderby'];
-
-        $order = (isset($this->_req_data['order']) && ! empty($this->_req_data['order']))
-            ? $this->_req_data['order']
-            : 'ASC';
-
-        $current_page = isset($this->_req_data['paged']) && ! empty($this->_req_data['paged'])
-            ? $this->_req_data['paged']
-            : 1;
-        $per_page = isset($this->_req_data['perpage']) && ! empty($this->_req_data['perpage'])
-            ? $this->_req_data['perpage']
-            : $perpage;
-
-        $offset = ($current_page - 1) * $per_page;
-        $limit = $all ? null : array($offset, $per_page);
-
-
-        // options will match what is in the _views array property
-        switch ($type) {
-            case 'in_use':
-                $templates = $MTP->get_all_active_message_templates($orderby, $order, $limit, $count, $global, true);
-                break;
-            default:
-                $templates = $MTP->get_all_trashed_grouped_message_templates($orderby, $order, $limit, $count, $global);
-        }
-
-        return $templates;
-    }
-
-
-    /**
-     * filters etc might need a list of installed message_types
-     *
-     * @return array an array of message type objects
-     */
-    public function get_installed_message_types()
-    {
-        $installed_message_types = $this->_message_resource_manager->installed_message_types();
-        $installed = array();
-
-        foreach ($installed_message_types as $message_type) {
-            $installed[ $message_type->name ] = $message_type;
-        }
-
-        return $installed;
-    }
-
-
-    /**
-     * _add_message_template
-     *
-     * This is used when creating a custom template. All Custom Templates start based off another template.
-     *
-     * @param string $message_type
-     * @param string $messenger
-     * @param string $GRP_ID
-     *
-     * @throws EE_error
-     */
-    protected function _add_message_template($message_type = '', $messenger = '', $GRP_ID = '')
-    {
-        // set values override any request data
-        $message_type = ! empty($message_type) ? $message_type : '';
-        $message_type = empty($message_type) && ! empty($this->_req_data['message_type'])
-            ? $this->_req_data['message_type']
-            : $message_type;
-
-        $messenger = ! empty($messenger) ? $messenger : '';
-        $messenger = empty($messenger) && ! empty($this->_req_data['messenger'])
-            ? $this->_req_data['messenger']
-            : $messenger;
-
-        $GRP_ID = ! empty($GRP_ID) ? $GRP_ID : '';
-        $GRP_ID = empty($GRP_ID) && ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : $GRP_ID;
-
-        // we need messenger and message type.  They should be coming from the event editor. If not here then return error
-        if (empty($message_type) || empty($messenger)) {
-            throw new EE_Error(
-                esc_html__(
-                    'Sorry, but we can\'t create new templates because we\'re missing the messenger or message type',
-                    'event_espresso'
-                )
-            );
-        }
-
-        // we need the GRP_ID for the template being used as the base for the new template
-        if (empty($GRP_ID)) {
-            throw new EE_Error(
-                esc_html__(
-                    'In order to create a custom message template the GRP_ID of the template being used as a base is needed',
-                    'event_espresso'
-                )
-            );
-        }
-
-        // let's just make sure the template gets generated!
-
-        // we need to reassign some variables for what the insert is expecting
-        $this->_req_data['MTP_messenger'] = $messenger;
-        $this->_req_data['MTP_message_type'] = $message_type;
-        $this->_req_data['GRP_ID'] = $GRP_ID;
-        $this->_insert_or_update_message_template(true);
-    }
-
-
-    /**
-     * public wrapper for the _add_message_template method
-     *
-     * @param string $message_type     message type slug
-     * @param string $messenger        messenger slug
-     * @param int    $GRP_ID           GRP_ID for the related message template group this new template will be based
-     *                                 off of.
-     * @throws EE_error
-     */
-    public function add_message_template($message_type, $messenger, $GRP_ID)
-    {
-        $this->_add_message_template($message_type, $messenger, $GRP_ID);
-    }
-
-
-    /**
-     * _edit_message_template
-     *
-     * @access protected
-     * @return void
-     * @throws InvalidIdentifierException
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _edit_message_template()
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $template_fields = '';
-        $sidebar_fields = '';
-        // we filter the tinyMCE settings to remove the validation since message templates by their nature will not have
-        // valid html in the templates.
-        add_filter('tiny_mce_before_init', array($this, 'filter_tinymce_init'), 10, 2);
-
-        $GRP_ID = isset($this->_req_data['id']) && ! empty($this->_req_data['id'])
-            ? absint($this->_req_data['id'])
-            : false;
-
-        $EVT_ID = isset($this->_req_data['evt_id']) && ! empty($this->_req_data['evt_id'])
-        ? absint($this->_req_data['evt_id'])
-        : false;
-
-        $this->_set_shortcodes(); // this also sets the _message_template property.
-        $message_template_group = $this->_message_template_group;
-        $c_label = $message_template_group->context_label();
-        $c_config = $message_template_group->contexts_config();
-
-        reset($c_config);
-        $context = isset($this->_req_data['context']) && ! empty($this->_req_data['context'])
-            ? strtolower($this->_req_data['context'])
-            : key($c_config);
-
-
-        if (empty($GRP_ID)) {
-            $action = 'insert_message_template';
-            $edit_message_template_form_url = add_query_arg(
-                array('action' => $action, 'noheader' => true),
-                EE_MSG_ADMIN_URL
-            );
-        } else {
-            $action = 'update_message_template';
-            $edit_message_template_form_url = add_query_arg(
-                array('action' => $action, 'noheader' => true),
-                EE_MSG_ADMIN_URL
-            );
-        }
-
-        // set active messenger for this view
-        $this->_active_messenger = $this->_message_resource_manager->get_active_messenger(
-            $message_template_group->messenger()
-        );
-        $this->_active_message_type_name = $message_template_group->message_type();
-
-
-        // Do we have any validation errors?
-        $validators = $this->_get_transient();
-        $v_fields = ! empty($validators) ? array_keys($validators) : array();
-
-
-        // we need to assemble the title from Various details
-        $context_label = sprintf(
-            esc_html__('(%s %s)', 'event_espresso'),
-            $c_config[ $context ]['label'],
-            ucwords($c_label['label'])
-        );
-
-        $title = sprintf(
-            esc_html__(' %s %s Template %s', 'event_espresso'),
-            ucwords($message_template_group->messenger_obj()->label['singular']),
-            ucwords($message_template_group->message_type_obj()->label['singular']),
-            $context_label
-        );
-
-        $this->_template_args['GRP_ID'] = $GRP_ID;
-        $this->_template_args['message_template'] = $message_template_group;
-        $this->_template_args['is_extra_fields'] = false;
-
-
-        // let's get EEH_MSG_Template so we can get template form fields
-        $template_field_structure = EEH_MSG_Template::get_fields(
-            $message_template_group->messenger(),
-            $message_template_group->message_type()
-        );
-
-        if (! $template_field_structure) {
-            $template_field_structure = false;
-            $template_fields = esc_html__(
-                'There was an error in assembling the fields for this display (you should see an error message)',
-                'event_espresso'
-            );
-        }
-
-
-        $message_templates = $message_template_group->context_templates();
-
-
-        // if we have the extra key.. then we need to remove the content index from the template_field_structure as it
-        // will get handled in the "extra" array.
-        if (is_array($template_field_structure[ $context ]) && isset($template_field_structure[ $context ]['extra'])) {
-            foreach ($template_field_structure[ $context ]['extra'] as $reference_field => $new_fields) {
-                unset($template_field_structure[ $context ][ $reference_field ]);
-            }
-        }
-
-        // let's loop through the template_field_structure and actually assemble the input fields!
-        if (! empty($template_field_structure)) {
-            foreach ($template_field_structure[ $context ] as $template_field => $field_setup_array) {
-                // if this is an 'extra' template field then we need to remove any existing fields that are keyed up in
-                // the extra array and reset them.
-                if ($template_field === 'extra') {
-                    $this->_template_args['is_extra_fields'] = true;
-                    foreach ($field_setup_array as $reference_field => $new_fields_array) {
-                        $message_template = $message_templates[ $context ][ $reference_field ];
-                        $content = $message_template instanceof EE_Message_Template
-                            ? $message_template->get('MTP_content')
-                            : '';
-                        foreach ($new_fields_array as $extra_field => $extra_array) {
-                            // let's verify if we need this extra field via the shortcodes parameter.
-                            $continue = false;
-                            if (isset($extra_array['shortcodes_required'])) {
-                                foreach ((array) $extra_array['shortcodes_required'] as $shortcode) {
-                                    if (! array_key_exists($shortcode, $this->_shortcodes)) {
-                                        $continue = true;
-                                    }
-                                }
-                                if ($continue) {
-                                    continue;
-                                }
-                            }
-
-                            $field_id = $reference_field
-                                        . '-'
-                                        . $extra_field
-                                        . '-content';
-                            $template_form_fields[ $field_id ] = $extra_array;
-                            $template_form_fields[ $field_id ]['name'] = 'MTP_template_fields['
-                                                                         . $reference_field
-                                                                         . '][content]['
-                                                                         . $extra_field . ']';
-                            $css_class = isset($extra_array['css_class'])
-                                ? $extra_array['css_class']
-                                : '';
-
-                            $template_form_fields[ $field_id ]['css_class'] = ! empty($v_fields)
-                                                                              && in_array($extra_field, $v_fields, true)
-                                                                              &&
-                                                                              (
-                                                                                  is_array($validators[ $extra_field ])
-                                                                                  && isset($validators[ $extra_field ]['msg'])
-                                                                              )
-                                ? 'validate-error ' . $css_class
-                                : $css_class;
-
-                            $template_form_fields[ $field_id ]['value'] = ! empty($message_templates)
-                                                                          && isset($content[ $extra_field ])
-                                ? $content[ $extra_field ]
-                                : '';
-
-                            // do we have a validation error?  if we do then let's use that value instead
-                            $template_form_fields[ $field_id ]['value'] = isset($validators[ $extra_field ])
-                                ? $validators[ $extra_field ]['value']
-                                : $template_form_fields[ $field_id ]['value'];
-
-
-                            $template_form_fields[ $field_id ]['db-col'] = 'MTP_content';
-
-                            // shortcode selector
-                            $field_name_to_use = $extra_field === 'main'
-                                ? 'content'
-                                : $extra_field;
-                            $template_form_fields[ $field_id ]['append_content'] = $this->_get_shortcode_selector(
-                                $field_name_to_use,
-                                $field_id
-                            );
-
-                            if (isset($extra_array['input']) && $extra_array['input'] === 'wp_editor') {
-                                // we want to decode the entities
-                                $template_form_fields[ $field_id ]['value'] = $template_form_fields[ $field_id ]['value'];
-                            }/**/
-                        }
-                        $templatefield_MTP_id = $reference_field . '-MTP_ID';
-                        $templatefield_templatename_id = $reference_field . '-name';
-
-                        $template_form_fields[ $templatefield_MTP_id ] = array(
-                            'name'       => 'MTP_template_fields[' . $reference_field . '][MTP_ID]',
-                            'label'      => null,
-                            'input'      => 'hidden',
-                            'type'       => 'int',
-                            'required'   => false,
-                            'validation' => false,
-                            'value'      => ! empty($message_templates) ? $message_template->ID() : '',
-                            'css_class'  => '',
-                            'format'     => '%d',
-                            'db-col'     => 'MTP_ID',
-                        );
-
-                        $template_form_fields[ $templatefield_templatename_id ] = array(
-                            'name'       => 'MTP_template_fields[' . $reference_field . '][name]',
-                            'label'      => null,
-                            'input'      => 'hidden',
-                            'type'       => 'string',
-                            'required'   => false,
-                            'validation' => true,
-                            'value'      => $reference_field,
-                            'css_class'  => '',
-                            'format'     => '%s',
-                            'db-col'     => 'MTP_template_field',
-                        );
-                    }
-                    continue; // skip the next stuff, we got the necessary fields here for this dataset.
-                } else {
-                    $field_id = $template_field . '-content';
-                    $template_form_fields[ $field_id ] = $field_setup_array;
-                    $template_form_fields[ $field_id ]['name'] = 'MTP_template_fields[' . $template_field . '][content]';
-                    $message_template = isset($message_templates[ $context ][ $template_field ])
-                        ? $message_templates[ $context ][ $template_field ]
-                        : null;
-                    $template_form_fields[ $field_id ]['value'] = ! empty($message_templates)
-                                                                  && is_array($message_templates[ $context ])
-                                                                  && $message_template instanceof EE_Message_Template
-                        ? $message_template->get('MTP_content')
-                        : '';
-
-                    // do we have a validator error for this field?  if we do then we'll use that value instead
-                    $template_form_fields[ $field_id ]['value'] = isset($validators[ $template_field ])
-                        ? $validators[ $template_field ]['value']
-                        : $template_form_fields[ $field_id ]['value'];
-
-
-                    $template_form_fields[ $field_id ]['db-col'] = 'MTP_content';
-                    $css_class = isset($field_setup_array['css_class'])
-                        ? $field_setup_array['css_class']
-                        : '';
-                    $template_form_fields[ $field_id ]['css_class'] = ! empty($v_fields)
-                                                                      && in_array($template_field, $v_fields, true)
-                                                                      && isset($validators[ $template_field ]['msg'])
-                        ? 'validate-error ' . $css_class
-                        : $css_class;
-
-                    // shortcode selector
-                    $template_form_fields[ $field_id ]['append_content'] = $this->_get_shortcode_selector(
-                        $template_field,
-                        $field_id
-                    );
-                }
-
-                // k took care of content field(s) now let's take care of others.
-
-                $templatefield_MTP_id = $template_field . '-MTP_ID';
-                $templatefield_field_templatename_id = $template_field . '-name';
-
-                // foreach template field there are actually two form fields created
-                $template_form_fields[ $templatefield_MTP_id ] = array(
-                    'name'       => 'MTP_template_fields[' . $template_field . '][MTP_ID]',
-                    'label'      => null,
-                    'input'      => 'hidden',
-                    'type'       => 'int',
-                    'required'   => false,
-                    'validation' => true,
-                    'value'      => $message_template instanceof EE_Message_Template ? $message_template->ID() : '',
-                    'css_class'  => '',
-                    'format'     => '%d',
-                    'db-col'     => 'MTP_ID',
-                );
-
-                $template_form_fields[ $templatefield_field_templatename_id ] = array(
-                    'name'       => 'MTP_template_fields[' . $template_field . '][name]',
-                    'label'      => null,
-                    'input'      => 'hidden',
-                    'type'       => 'string',
-                    'required'   => false,
-                    'validation' => true,
-                    'value'      => $template_field,
-                    'css_class'  => '',
-                    'format'     => '%s',
-                    'db-col'     => 'MTP_template_field',
-                );
-            }
-
-            // add other fields
-            $template_form_fields['ee-msg-current-context'] = array(
-                'name'       => 'MTP_context',
-                'label'      => null,
-                'input'      => 'hidden',
-                'type'       => 'string',
-                'required'   => false,
-                'validation' => true,
-                'value'      => $context,
-                'css_class'  => '',
-                'format'     => '%s',
-                'db-col'     => 'MTP_context',
-            );
-
-            $template_form_fields['ee-msg-grp-id'] = array(
-                'name'       => 'GRP_ID',
-                'label'      => null,
-                'input'      => 'hidden',
-                'type'       => 'int',
-                'required'   => false,
-                'validation' => true,
-                'value'      => $GRP_ID,
-                'css_class'  => '',
-                'format'     => '%d',
-                'db-col'     => 'GRP_ID',
-            );
-
-            $template_form_fields['ee-msg-messenger'] = array(
-                'name'       => 'MTP_messenger',
-                'label'      => null,
-                'input'      => 'hidden',
-                'type'       => 'string',
-                'required'   => false,
-                'validation' => true,
-                'value'      => $message_template_group->messenger(),
-                'css_class'  => '',
-                'format'     => '%s',
-                'db-col'     => 'MTP_messenger',
-            );
-
-            $template_form_fields['ee-msg-message-type'] = array(
-                'name'       => 'MTP_message_type',
-                'label'      => null,
-                'input'      => 'hidden',
-                'type'       => 'string',
-                'required'   => false,
-                'validation' => true,
-                'value'      => $message_template_group->message_type(),
-                'css_class'  => '',
-                'format'     => '%s',
-                'db-col'     => 'MTP_message_type',
-            );
-
-            $sidebar_form_fields['ee-msg-is-global'] = array(
-                'name'       => 'MTP_is_global',
-                'label'      => esc_html__('Global Template', 'event_espresso'),
-                'input'      => 'hidden',
-                'type'       => 'int',
-                'required'   => false,
-                'validation' => true,
-                'value'      => $message_template_group->get('MTP_is_global'),
-                'css_class'  => '',
-                'format'     => '%d',
-                'db-col'     => 'MTP_is_global',
-            );
-
-            $sidebar_form_fields['ee-msg-is-override'] = array(
-                'name'       => 'MTP_is_override',
-                'label'      => esc_html__('Override all custom', 'event_espresso'),
-                'input'      => $message_template_group->is_global() ? 'checkbox' : 'hidden',
-                'type'       => 'int',
-                'required'   => false,
-                'validation' => true,
-                'value'      => $message_template_group->get('MTP_is_override'),
-                'css_class'  => '',
-                'format'     => '%d',
-                'db-col'     => 'MTP_is_override',
-            );
-
-            $sidebar_form_fields['ee-msg-is-active'] = array(
-                'name'       => 'MTP_is_active',
-                'label'      => esc_html__('Active Template', 'event_espresso'),
-                'input'      => 'hidden',
-                'type'       => 'int',
-                'required'   => false,
-                'validation' => true,
-                'value'      => $message_template_group->is_active(),
-                'css_class'  => '',
-                'format'     => '%d',
-                'db-col'     => 'MTP_is_active',
-            );
-
-            $sidebar_form_fields['ee-msg-deleted'] = array(
-                'name'       => 'MTP_deleted',
-                'label'      => null,
-                'input'      => 'hidden',
-                'type'       => 'int',
-                'required'   => false,
-                'validation' => true,
-                'value'      => $message_template_group->get('MTP_deleted'),
-                'css_class'  => '',
-                'format'     => '%d',
-                'db-col'     => 'MTP_deleted',
-            );
-            $sidebar_form_fields['ee-msg-author'] = array(
-                'name'       => 'MTP_user_id',
-                'label'      => esc_html__('Author', 'event_espresso'),
-                'input'      => 'hidden',
-                'type'       => 'int',
-                'required'   => false,
-                'validation' => false,
-                'value'      => $message_template_group->user(),
-                'format'     => '%d',
-                'db-col'     => 'MTP_user_id',
-            );
-
-            $sidebar_form_fields['ee-msg-route'] = array(
-                'name'  => 'action',
-                'input' => 'hidden',
-                'type'  => 'string',
-                'value' => $action,
-            );
-
-            $sidebar_form_fields['ee-msg-id'] = array(
-                'name'  => 'id',
-                'input' => 'hidden',
-                'type'  => 'int',
-                'value' => $GRP_ID,
-            );
-            $sidebar_form_fields['ee-msg-evt-nonce'] = array(
-                'name'  => $action . '_nonce',
-                'input' => 'hidden',
-                'type'  => 'string',
-                'value' => wp_create_nonce($action . '_nonce'),
-            );
-
-            if (isset($this->_req_data['template_switch']) && $this->_req_data['template_switch']) {
-                $sidebar_form_fields['ee-msg-template-switch'] = array(
-                    'name'  => 'template_switch',
-                    'input' => 'hidden',
-                    'type'  => 'int',
-                    'value' => 1,
-                );
-            }
-
-
-            $template_fields = $this->_generate_admin_form_fields($template_form_fields);
-            $sidebar_fields = $this->_generate_admin_form_fields($sidebar_form_fields);
-        } //end if ( !empty($template_field_structure) )
-
-        // set extra content for publish box
-        $this->_template_args['publish_box_extra_content'] = $sidebar_fields;
-        $this->_set_publish_post_box_vars(
-            'id',
-            $GRP_ID,
-            false,
-            add_query_arg(
-                array('action' => 'global_mtps'),
-                $this->_admin_base_url
-            )
-        );
-
-        // add preview button
-        $preview_url = parent::add_query_args_and_nonce(
-            array(
-                'message_type' => $message_template_group->message_type(),
-                'messenger'    => $message_template_group->messenger(),
-                'context'      => $context,
-                'GRP_ID'       => $GRP_ID,
-                'evt_id'       => $EVT_ID,
-                'action'       => 'preview_message',
-            ),
-            $this->_admin_base_url
-        );
-        $preview_button = '<a href="' . $preview_url . '" class="button-secondary messages-preview-button">'
-                          . esc_html__('Preview', 'event_espresso')
-                          . '</a>';
-
-
-        // setup context switcher
-        $context_switcher_args = array(
-            'page'    => 'espresso_messages',
-            'action'  => 'edit_message_template',
-            'id'      => $GRP_ID,
-            'evt_id'  => $EVT_ID,
-            'context' => $context,
-            'extra'   => $preview_button,
-        );
-        $this->_set_context_switcher($message_template_group, $context_switcher_args);
-
-
-        // main box
-        $this->_template_args['template_fields'] = $template_fields;
-        $this->_template_args['sidebar_box_id'] = 'details';
-        $this->_template_args['action'] = $action;
-        $this->_template_args['context'] = $context;
-        $this->_template_args['edit_message_template_form_url'] = $edit_message_template_form_url;
-        $this->_template_args['learn_more_about_message_templates_link'] =
-            $this->_learn_more_about_message_templates_link();
-
-
-        $this->_template_args['before_admin_page_content'] = $this->add_context_switcher();
-        $this->_template_args['before_admin_page_content'] .= $this->add_active_context_element(
-            $message_template_group,
-            $context,
-            $context_label
-        );
-        $this->_template_args['before_admin_page_content'] .= $this->_add_form_element_before();
-        $this->_template_args['after_admin_page_content'] = $this->_add_form_element_after();
-
-        $this->_template_path = $this->_template_args['GRP_ID']
-            ? EE_MSG_TEMPLATE_PATH . 'ee_msg_details_main_edit_meta_box.template.php'
-            : EE_MSG_TEMPLATE_PATH . 'ee_msg_details_main_add_meta_box.template.php';
-
-        // send along EE_Message_Template_Group object for further template use.
-        $this->_template_args['MTP'] = $message_template_group;
-
-        $this->_template_args['admin_page_content'] = EEH_Template::display_template(
-            $this->_template_path,
-            $this->_template_args,
-            true
-        );
-
-
-        // finally, let's set the admin_page title
-        $this->_admin_page_title = sprintf(__('Editing %s', 'event_espresso'), $title);
-
-
-        // we need to take care of setting the shortcodes property for use elsewhere.
-        $this->_set_shortcodes();
-
-
-        // final template wrapper
-        $this->display_admin_page_with_sidebar();
-    }
-
-
-    public function filter_tinymce_init($mceInit, $editor_id)
-    {
-        return $mceInit;
-    }
-
-
-    public function add_context_switcher()
-    {
-        return $this->_context_switcher;
-    }
-
-
-    /**
-     * Adds the activation/deactivation toggle for the message template context.
-     *
-     * @param EE_Message_Template_Group $message_template_group
-     * @param string                    $context
-     * @param string                    $context_label
-     * @return string
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidIdentifierException
-     */
-    protected function add_active_context_element(
-        EE_Message_Template_Group $message_template_group,
-        $context,
-        $context_label
-    ) {
-        $template_args = array(
-            'context'                   => $context,
-            'nonce'                     => wp_create_nonce('activate_' . $context . '_toggle_nonce'),
-            'is_active'                 => $message_template_group->is_context_active($context),
-            'on_off_action'             => $message_template_group->is_context_active($context)
-                ? 'context-off'
-                : 'context-on',
-            'context_label'             => str_replace(array('(', ')'), '', $context_label),
-            'message_template_group_id' => $message_template_group->ID(),
-        );
-        return EEH_Template::display_template(
-            EE_MSG_TEMPLATE_PATH . 'ee_msg_editor_active_context_element.template.php',
-            $template_args,
-            true
-        );
-    }
-
-
-    /**
-     * Ajax callback for `toggle_context_template` ajax action.
-     * Handles toggling the message context on or off.
-     *
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidIdentifierException
-     * @throws InvalidInterfaceException
-     */
-    public function toggle_context_template()
-    {
-        $success = true;
-        // check for required data
-        if (! isset(
-            $this->_req_data['message_template_group_id'],
-            $this->_req_data['context'],
-            $this->_req_data['status']
-        )) {
-            EE_Error::add_error(
-                esc_html__('Required data for doing this action is not available.', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-        $nonce = isset($this->_req_data['toggle_context_nonce'])
-            ? sanitize_text_field($this->_req_data['toggle_context_nonce'])
-            : '';
-        $nonce_ref = 'activate_' . $this->_req_data['context'] . '_toggle_nonce';
-        $this->_verify_nonce($nonce, $nonce_ref);
-        $status = $this->_req_data['status'];
-        if ($status !== 'off' && $status !== 'on') {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__('The given status (%s) is not valid. Must be "off" or "on"', 'event_espresso'),
-                    $this->_req_data['status']
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-        $message_template_group = EEM_Message_Template_Group::instance()->get_one_by_ID(
-            $this->_req_data['message_template_group_id']
-        );
-        if (! $message_template_group instanceof EE_Message_Template_Group) {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__(
-                        'Unable to change the active state because the given id "%1$d" does not match a valid "%2$s"',
-                        'event_espresso'
-                    ),
-                    $this->_req_data['message_template_group_id'],
-                    'EE_Message_Template_Group'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-        if ($success) {
-            $success = $status === 'off'
-                ? $message_template_group->deactivate_context($this->_req_data['context'])
-                : $message_template_group->activate_context($this->_req_data['context']);
-        }
-        $this->_template_args['success'] = $success;
-        $this->_return_json();
-    }
-
-
-    public function _add_form_element_before()
-    {
-        return '<form method="post" action="'
-               . $this->_template_args["edit_message_template_form_url"]
-               . '" id="ee-msg-edit-frm">';
-    }
-
-    public function _add_form_element_after()
-    {
-        return '</form>';
-    }
-
-
-    /**
-     * This executes switching the template pack for a message template.
-     *
-     * @since 4.5.0
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     */
-    public function switch_template_pack()
-    {
-        $GRP_ID = ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : 0;
-        $template_pack = ! empty($this->_req_data['template_pack']) ? $this->_req_data['template_pack'] : '';
-
-        // verify we have needed values.
-        if (empty($GRP_ID) || empty($template_pack)) {
-            $this->_template_args['error'] = true;
-            EE_Error::add_error(
-                esc_html__('The required date for switching templates is not available.', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        } else {
-            // get template, set the new template_pack and then reset to default
-            /** @type EE_Message_Template_Group $message_template_group */
-            $message_template_group = EEM_Message_Template_Group::instance()->get_one_by_ID($GRP_ID);
-
-            $message_template_group->set_template_pack_name($template_pack);
-            $this->_req_data['msgr'] = $message_template_group->messenger();
-            $this->_req_data['mt'] = $message_template_group->message_type();
-
-            $query_args = $this->_reset_to_default_template();
-
-            if (empty($query_args['id'])) {
-                EE_Error::add_error(
-                    esc_html__(
-                        'Something went wrong with switching the template pack. Please try again or contact EE support',
-                        'event_espresso'
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                $this->_template_args['error'] = true;
-            } else {
-                $template_label = $message_template_group->get_template_pack()->label;
-                $template_pack_labels = $message_template_group->messenger_obj()->get_supports_labels();
-                EE_Error::add_success(
-                    sprintf(
-                        esc_html__(
-                            'This message template has been successfully switched to use the %1$s %2$s.  Please wait while the page reloads with your new template.',
-                            'event_espresso'
-                        ),
-                        $template_label,
-                        $template_pack_labels->template_pack
-                    )
-                );
-                // generate the redirect url for js.
-                $url = self::add_query_args_and_nonce(
-                    $query_args,
-                    $this->_admin_base_url
-                );
-                $this->_template_args['data']['redirect_url'] = $url;
-                $this->_template_args['success'] = true;
-            }
-
-            $this->_return_json();
-        }
-    }
-
-
-    /**
-     * This handles resetting the template for the given messenger/message_type so that users can start from scratch if
-     * they want.
-     *
-     * @access protected
-     * @return array|null
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _reset_to_default_template()
-    {
-
-        $templates = array();
-        $GRP_ID = ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : 0;
-        // we need to make sure we've got the info we need.
-        if (! isset($this->_req_data['msgr'], $this->_req_data['mt'], $this->_req_data['GRP_ID'])) {
-            EE_Error::add_error(
-                esc_html__(
-                    'In order to reset the template to its default we require the messenger, message type, and message template GRP_ID to know what is being reset.  At least one of these is missing.',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-
-        // all templates will be reset to whatever the defaults are
-        // for the global template matching the messenger and message type.
-        $success = ! empty($GRP_ID) ? true : false;
-
-        if ($success) {
-            // let's first determine if the incoming template is a global template,
-            // if it isn't then we need to get the global template matching messenger and message type.
-            // $MTPG = EEM_Message_Template_Group::instance()->get_one_by_ID( $GRP_ID );
-
-
-            // note this is ONLY deleting the template fields (Message Template rows) NOT the message template group.
-            $success = $this->_delete_mtp_permanently($GRP_ID, false);
-
-            if ($success) {
-                // if successfully deleted, lets generate the new ones.
-                // Note. We set GLOBAL to true, because resets on ANY template
-                // will use the related global template defaults for regeneration.
-                // This means that if a custom template is reset it resets to whatever the related global template is.
-                // HOWEVER, we DO keep the template pack and template variation set
-                // for the current custom template when resetting.
-                $templates = $this->_generate_new_templates(
-                    $this->_req_data['msgr'],
-                    $this->_req_data['mt'],
-                    $GRP_ID,
-                    true
-                );
-            }
-        }
-
-        // any error messages?
-        if (! $success) {
-            EE_Error::add_error(
-                esc_html__(
-                    'Something went wrong with deleting existing templates. Unable to reset to default',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-
-        // all good, let's add a success message!
-        if ($success && ! empty($templates)) {
-            // the info for the template we generated is the first element in the returned array
-            // $templates = $templates[0];
-            EE_Error::overwrite_success();
-            EE_Error::add_success(__('Templates have been reset to defaults.', 'event_espresso'));
-        }
-
-
-        $query_args = array(
-            'id'      => isset($templates[0]['GRP_ID']) ? $templates[0]['GRP_ID'] : null,
-            'context' => isset($templates[0]['MTP_context']) ? $templates[0]['MTP_context'] : null,
-            'action'  => isset($templates[0]['GRP_ID']) ? 'edit_message_template' : 'global_mtps',
-        );
-
-        // if called via ajax then we return query args otherwise redirect
-        if (defined('DOING_AJAX') && DOING_AJAX) {
-            return $query_args;
-        } else {
-            $this->_redirect_after_action(false, '', '', $query_args, true);
-
-            return null;
-        }
-    }
-
-
-    /**
-     * Retrieve and set the message preview for display.
-     *
-     * @param bool $send if TRUE then we are doing an actual TEST send with the results of the preview.
-     * @return string
-     * @throws ReflectionException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function _preview_message($send = false)
-    {
-        // first make sure we've got the necessary parameters
-        if (! isset(
-            $this->_req_data['message_type'],
-            $this->_req_data['messenger'],
-            $this->_req_data['messenger'],
-            $this->_req_data['GRP_ID']
-        )) {
-            EE_Error::add_error(
-                esc_html__('Missing necessary parameters for displaying preview', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-
-        EE_Registry::instance()->REQ->set('GRP_ID', $this->_req_data['GRP_ID']);
+	/**
+	 * @type EE_Message_Resource_Manager $_message_resource_manager
+	 */
+	protected $_message_resource_manager;
+
+	/**
+	 * @type string $_active_message_type_name
+	 */
+	protected $_active_message_type_name = '';
+
+	/**
+	 * @type EE_messenger $_active_messenger
+	 */
+	protected $_active_messenger;
+	protected $_activate_state;
+	protected $_activate_meta_box_type;
+	protected $_current_message_meta_box;
+	protected $_current_message_meta_box_object;
+	protected $_context_switcher;
+	protected $_shortcodes = array();
+	protected $_active_messengers = array();
+	protected $_active_message_types = array();
+
+	/**
+	 * @var EE_Message_Template_Group $_message_template_group
+	 */
+	protected $_message_template_group;
+	protected $_m_mt_settings = array();
+
+
+	/**
+	 * This is set via the _set_message_template_group method and holds whatever the template pack for the group is.
+	 * IF there is no group then it gets automatically set to the Default template pack.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @var EE_Messages_Template_Pack
+	 */
+	protected $_template_pack;
+
+
+	/**
+	 * This is set via the _set_message_template_group method and holds whatever the template pack variation for the
+	 * group is.  If there is no group then it automatically gets set to default.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @var string
+	 */
+	protected $_variation;
+
+
+	/**
+	 * @param bool $routing
+	 * @throws EE_Error
+	 */
+	public function __construct($routing = true)
+	{
+		// make sure messages autoloader is running
+		EED_Messages::set_autoloaders();
+		parent::__construct($routing);
+	}
+
+
+	protected function _init_page_props()
+	{
+		$this->page_slug = EE_MSG_PG_SLUG;
+		$this->page_label = esc_html__('Messages Settings', 'event_espresso');
+		$this->_admin_base_url = EE_MSG_ADMIN_URL;
+		$this->_admin_base_path = EE_MSG_ADMIN;
+
+		$this->_activate_state = isset($this->_req_data['activate_state']) ? (array) $this->_req_data['activate_state']
+			: array();
+
+		$this->_active_messenger = isset($this->_req_data['messenger']) ? $this->_req_data['messenger'] : null;
+		$this->_load_message_resource_manager();
+	}
+
+
+	/**
+	 * loads messenger objects into the $_active_messengers property (so we can access the needed methods)
+	 *
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 */
+	protected function _load_message_resource_manager()
+	{
+		$this->_message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+	}
+
+
+	/**
+	 * @deprecated 4.9.9.rc.014
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function get_messengers_for_list_table()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				esc_html__(
+					'This method is no longer in use.  There is no replacement for it. The method was used to generate a set of values for use in creating a messenger filter dropdown which is now generated differently via %s',
+					'event_espresso'
+				),
+				'Messages_Admin_Page::get_messengers_select_input()'
+			),
+			'4.9.9.rc.014'
+		);
+
+		$m_values = array();
+		$active_messengers = EEM_Message::instance()->get_all(array('group_by' => 'MSG_messenger'));
+		// setup messengers for selects
+		$i = 1;
+		foreach ($active_messengers as $active_messenger) {
+			if ($active_messenger instanceof EE_Message) {
+				$m_values[ $i ]['id'] = $active_messenger->messenger();
+				$m_values[ $i ]['text'] = ucwords($active_messenger->messenger_label());
+				$i++;
+			}
+		}
+
+		return $m_values;
+	}
+
+
+	/**
+	 * @deprecated 4.9.9.rc.014
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function get_message_types_for_list_table()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				esc_html__(
+					'This method is no longer in use.  There is no replacement for it. The method was used to generate a set of values for use in creating a message type filter dropdown which is now generated differently via %s',
+					'event_espresso'
+				),
+				'Messages_Admin_Page::get_message_types_select_input()'
+			),
+			'4.9.9.rc.014'
+		);
+
+		$mt_values = array();
+		$active_messages = EEM_Message::instance()->get_all(array('group_by' => 'MSG_message_type'));
+		$i = 1;
+		foreach ($active_messages as $active_message) {
+			if ($active_message instanceof EE_Message) {
+				$mt_values[ $i ]['id'] = $active_message->message_type();
+				$mt_values[ $i ]['text'] = ucwords($active_message->message_type_label());
+				$i++;
+			}
+		}
+
+		return $mt_values;
+	}
+
+
+	/**
+	 * @deprecated 4.9.9.rc.014
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function get_contexts_for_message_types_for_list_table()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				esc_html__(
+					'This method is no longer in use.  There is no replacement for it. The method was used to generate a set of values for use in creating a message type context filter dropdown which is now generated differently via %s',
+					'event_espresso'
+				),
+				'Messages_Admin_Page::get_contexts_for_message_types_select_input()'
+			),
+			'4.9.9.rc.014'
+		);
+
+		$contexts = array();
+		$active_message_contexts = EEM_Message::instance()->get_all(array('group_by' => 'MSG_context'));
+		foreach ($active_message_contexts as $active_message) {
+			if ($active_message instanceof EE_Message) {
+				$message_type = $active_message->message_type_object();
+				if ($message_type instanceof EE_message_type) {
+					$message_type_contexts = $message_type->get_contexts();
+					foreach ($message_type_contexts as $context => $context_details) {
+						$contexts[ $context ] = $context_details['label'];
+					}
+				}
+			}
+		}
+
+		return $contexts;
+	}
+
+
+	/**
+	 * Generate select input with provided messenger options array.
+	 *
+	 * @param array $messenger_options Array of messengers indexed by messenger slug and values are the messenger
+	 *                                 labels.
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function get_messengers_select_input($messenger_options)
+	{
+		// if empty or just one value then just return an empty string
+		if (empty($messenger_options)
+			|| ! is_array($messenger_options)
+			|| count($messenger_options) === 1
+		) {
+			return '';
+		}
+		// merge in default
+		$messenger_options = array_merge(
+			array('none_selected' => esc_html__('Show All Messengers', 'event_espresso')),
+			$messenger_options
+		);
+		$input = new EE_Select_Input(
+			$messenger_options,
+			array(
+				'html_name'  => 'ee_messenger_filter_by',
+				'html_id'    => 'ee_messenger_filter_by',
+				'html_class' => 'wide',
+				'default'    => isset($this->_req_data['ee_messenger_filter_by'])
+					? sanitize_title($this->_req_data['ee_messenger_filter_by'])
+					: 'none_selected',
+			)
+		);
+
+		return $input->get_html_for_input();
+	}
+
+
+	/**
+	 * Generate select input with provided message type options array.
+	 *
+	 * @param array $message_type_options Array of message types indexed by message type slug, and values are the
+	 *                                    message type labels
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function get_message_types_select_input($message_type_options)
+	{
+		// if empty or count of options is 1 then just return an empty string
+		if (empty($message_type_options)
+			|| ! is_array($message_type_options)
+			|| count($message_type_options) === 1
+		) {
+			return '';
+		}
+		// merge in default
+		$message_type_options = array_merge(
+			array('none_selected' => esc_html__('Show All Message Types', 'event_espresso')),
+			$message_type_options
+		);
+		$input = new EE_Select_Input(
+			$message_type_options,
+			array(
+				'html_name'  => 'ee_message_type_filter_by',
+				'html_id'    => 'ee_message_type_filter_by',
+				'html_class' => 'wide',
+				'default'    => isset($this->_req_data['ee_message_type_filter_by'])
+					? sanitize_title($this->_req_data['ee_message_type_filter_by'])
+					: 'none_selected',
+			)
+		);
+
+		return $input->get_html_for_input();
+	}
+
+
+	/**
+	 * Generate select input with provide message type contexts array.
+	 *
+	 * @param array $context_options Array of message type contexts indexed by context slug, and values are the
+	 *                               context label.
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function get_contexts_for_message_types_select_input($context_options)
+	{
+		// if empty or count of options is one then just return empty string
+		if (empty($context_options)
+			|| ! is_array($context_options)
+			|| count($context_options) === 1
+		) {
+			return '';
+		}
+		// merge in default
+		$context_options = array_merge(
+			array('none_selected' => esc_html__('Show all Contexts', 'event_espresso')),
+			$context_options
+		);
+		$input = new EE_Select_Input(
+			$context_options,
+			array(
+				'html_name'  => 'ee_context_filter_by',
+				'html_id'    => 'ee_context_filter_by',
+				'html_class' => 'wide',
+				'default'    => isset($this->_req_data['ee_context_filter_by'])
+					? sanitize_title($this->_req_data['ee_context_filter_by'])
+					: 'none_selected',
+			)
+		);
+
+		return $input->get_html_for_input();
+	}
+
+
+	protected function _ajax_hooks()
+	{
+		add_action('wp_ajax_activate_messenger', array($this, 'activate_messenger_toggle'));
+		add_action('wp_ajax_activate_mt', array($this, 'activate_mt_toggle'));
+		add_action('wp_ajax_ee_msgs_save_settings', array($this, 'save_settings'));
+		add_action('wp_ajax_ee_msgs_update_mt_form', array($this, 'update_mt_form'));
+		add_action('wp_ajax_switch_template_pack', array($this, 'switch_template_pack'));
+		add_action('wp_ajax_toggle_context_template', array($this, 'toggle_context_template'));
+	}
+
+
+	protected function _define_page_props()
+	{
+		$this->_admin_page_title = $this->page_label;
+		$this->_labels = array(
+			'buttons'    => array(
+				'add'    => esc_html__('Add New Message Template', 'event_espresso'),
+				'edit'   => esc_html__('Edit Message Template', 'event_espresso'),
+				'delete' => esc_html__('Delete Message Template', 'event_espresso'),
+			),
+			'publishbox' => esc_html__('Update Actions', 'event_espresso'),
+		);
+	}
+
+
+	/**
+	 *        an array for storing key => value pairs of request actions and their corresponding methods
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _set_page_routes()
+	{
+		$grp_id = ! empty($this->_req_data['GRP_ID']) && ! is_array($this->_req_data['GRP_ID'])
+			? $this->_req_data['GRP_ID']
+			: 0;
+		$grp_id = empty($grp_id) && ! empty($this->_req_data['id'])
+			? $this->_req_data['id']
+			: $grp_id;
+		$msg_id = ! empty($this->_req_data['MSG_ID']) && ! is_array($this->_req_data['MSG_ID'])
+			? $this->_req_data['MSG_ID']
+			: 0;
+
+		$this->_page_routes = array(
+			'default'                          => array(
+				'func'       => '_message_queue_list_table',
+				'capability' => 'ee_read_global_messages',
+			),
+			'global_mtps'                      => array(
+				'func'       => '_ee_default_messages_overview_list_table',
+				'capability' => 'ee_read_global_messages',
+			),
+			'custom_mtps'                      => array(
+				'func'       => '_custom_mtps_preview',
+				'capability' => 'ee_read_messages',
+			),
+			'add_new_message_template'         => array(
+				'func'       => '_add_message_template',
+				'capability' => 'ee_edit_messages',
+				'noheader'   => true,
+			),
+			'edit_message_template'            => array(
+				'func'       => '_edit_message_template',
+				'capability' => 'ee_edit_message',
+				'obj_id'     => $grp_id,
+			),
+			'preview_message'                  => array(
+				'func'               => '_preview_message',
+				'capability'         => 'ee_read_message',
+				'obj_id'             => $grp_id,
+				'noheader'           => true,
+				'headers_sent_route' => 'display_preview_message',
+			),
+			'display_preview_message'          => array(
+				'func'       => '_display_preview_message',
+				'capability' => 'ee_read_message',
+				'obj_id'     => $grp_id,
+			),
+			'insert_message_template'          => array(
+				'func'       => '_insert_or_update_message_template',
+				'capability' => 'ee_edit_messages',
+				'args'       => array('new_template' => true),
+				'noheader'   => true,
+			),
+			'update_message_template'          => array(
+				'func'       => '_insert_or_update_message_template',
+				'capability' => 'ee_edit_message',
+				'obj_id'     => $grp_id,
+				'args'       => array('new_template' => false),
+				'noheader'   => true,
+			),
+			'trash_message_template'           => array(
+				'func'       => '_trash_or_restore_message_template',
+				'capability' => 'ee_delete_message',
+				'obj_id'     => $grp_id,
+				'args'       => array('trash' => true, 'all' => true),
+				'noheader'   => true,
+			),
+			'trash_message_template_context'   => array(
+				'func'       => '_trash_or_restore_message_template',
+				'capability' => 'ee_delete_message',
+				'obj_id'     => $grp_id,
+				'args'       => array('trash' => true),
+				'noheader'   => true,
+			),
+			'restore_message_template'         => array(
+				'func'       => '_trash_or_restore_message_template',
+				'capability' => 'ee_delete_message',
+				'obj_id'     => $grp_id,
+				'args'       => array('trash' => false, 'all' => true),
+				'noheader'   => true,
+			),
+			'restore_message_template_context' => array(
+				'func'       => '_trash_or_restore_message_template',
+				'capability' => 'ee_delete_message',
+				'obj_id'     => $grp_id,
+				'args'       => array('trash' => false),
+				'noheader'   => true,
+			),
+			'delete_message_template'          => array(
+				'func'       => '_delete_message_template',
+				'capability' => 'ee_delete_message',
+				'obj_id'     => $grp_id,
+				'noheader'   => true,
+			),
+			'reset_to_default'                 => array(
+				'func'       => '_reset_to_default_template',
+				'capability' => 'ee_edit_message',
+				'obj_id'     => $grp_id,
+				'noheader'   => true,
+			),
+			'settings'                         => array(
+				'func'       => '_settings',
+				'capability' => 'manage_options',
+			),
+			'update_global_settings'           => array(
+				'func'       => '_update_global_settings',
+				'capability' => 'manage_options',
+				'noheader'   => true,
+			),
+			'generate_now'                     => array(
+				'func'       => '_generate_now',
+				'capability' => 'ee_send_message',
+				'noheader'   => true,
+			),
+			'generate_and_send_now'            => array(
+				'func'       => '_generate_and_send_now',
+				'capability' => 'ee_send_message',
+				'noheader'   => true,
+			),
+			'queue_for_resending'              => array(
+				'func'       => '_queue_for_resending',
+				'capability' => 'ee_send_message',
+				'noheader'   => true,
+			),
+			'send_now'                         => array(
+				'func'       => '_send_now',
+				'capability' => 'ee_send_message',
+				'noheader'   => true,
+			),
+			'delete_ee_message'                => array(
+				'func'       => '_delete_ee_messages',
+				'capability' => 'ee_delete_messages',
+				'noheader'   => true,
+			),
+			'delete_ee_messages'               => array(
+				'func'       => '_delete_ee_messages',
+				'capability' => 'ee_delete_messages',
+				'noheader'   => true,
+				'obj_id'     => $msg_id,
+			),
+		);
+	}
+
+
+	protected function _set_page_config()
+	{
+		$this->_page_config = array(
+			'default'                  => array(
+				'nav'           => array(
+					'label' => esc_html__('Message Activity', 'event_espresso'),
+					'order' => 10,
+				),
+				'list_table'    => 'EE_Message_List_Table',
+				// 'qtips' => array( 'EE_Message_List_Table_Tips' ),
+				'require_nonce' => false,
+			),
+			'global_mtps'              => array(
+				'nav'           => array(
+					'label' => esc_html__('Default Message Templates', 'event_espresso'),
+					'order' => 20,
+				),
+				'list_table'    => 'Messages_Template_List_Table',
+				'help_tabs'     => array(
+					'messages_overview_help_tab'                                => array(
+						'title'    => esc_html__('Messages Overview', 'event_espresso'),
+						'filename' => 'messages_overview',
+					),
+					'messages_overview_messages_table_column_headings_help_tab' => array(
+						'title'    => esc_html__('Messages Table Column Headings', 'event_espresso'),
+						'filename' => 'messages_overview_table_column_headings',
+					),
+					'messages_overview_messages_filters_help_tab'               => array(
+						'title'    => esc_html__('Message Filters', 'event_espresso'),
+						'filename' => 'messages_overview_filters',
+					),
+					'messages_overview_messages_views_help_tab'                 => array(
+						'title'    => esc_html__('Message Views', 'event_espresso'),
+						'filename' => 'messages_overview_views',
+					),
+					'message_overview_message_types_help_tab'                   => array(
+						'title'    => esc_html__('Message Types', 'event_espresso'),
+						'filename' => 'messages_overview_types',
+					),
+					'messages_overview_messengers_help_tab'                     => array(
+						'title'    => esc_html__('Messengers', 'event_espresso'),
+						'filename' => 'messages_overview_messengers',
+					),
+				),
+				'help_tour'     => array('Messages_Overview_Help_Tour'),
+				'require_nonce' => false,
+			),
+			'custom_mtps'              => array(
+				'nav'           => array(
+					'label' => esc_html__('Custom Message Templates', 'event_espresso'),
+					'order' => 30,
+				),
+				'help_tabs'     => array(),
+				'help_tour'     => array(),
+				'require_nonce' => false,
+			),
+			'add_new_message_template' => array(
+				'nav'           => array(
+					'label'      => esc_html__('Add New Message Templates', 'event_espresso'),
+					'order'      => 5,
+					'persistent' => false,
+				),
+				'require_nonce' => false,
+			),
+			'edit_message_template'    => array(
+				'labels'        => array(
+					'buttons'    => array(
+						'reset' => esc_html__('Reset Templates', 'event_espresso'),
+					),
+					'publishbox' => esc_html__('Update Actions', 'event_espresso'),
+				),
+				'nav'           => array(
+					'label'      => esc_html__('Edit Message Templates', 'event_espresso'),
+					'order'      => 5,
+					'persistent' => false,
+					'url'        => '',
+				),
+				'metaboxes'     => array('_publish_post_box', '_register_edit_meta_boxes'),
+				'has_metaboxes' => true,
+				'help_tour'     => array('Message_Templates_Edit_Help_Tour'),
+				'help_tabs'     => array(
+					'edit_message_template'            => array(
+						'title'    => esc_html__('Message Template Editor', 'event_espresso'),
+						'callback' => 'edit_message_template_help_tab',
+					),
+					'message_templates_help_tab'       => array(
+						'title'    => esc_html__('Message Templates', 'event_espresso'),
+						'filename' => 'messages_templates',
+					),
+					'message_template_shortcodes'      => array(
+						'title'    => esc_html__('Message Shortcodes', 'event_espresso'),
+						'callback' => 'message_template_shortcodes_help_tab',
+					),
+					'message_preview_help_tab'         => array(
+						'title'    => esc_html__('Message Preview', 'event_espresso'),
+						'filename' => 'messages_preview',
+					),
+					'messages_overview_other_help_tab' => array(
+						'title'    => esc_html__('Messages Other', 'event_espresso'),
+						'filename' => 'messages_overview_other',
+					),
+				),
+				'require_nonce' => false,
+			),
+			'display_preview_message'  => array(
+				'nav'           => array(
+					'label'      => esc_html__('Message Preview', 'event_espresso'),
+					'order'      => 5,
+					'url'        => '',
+					'persistent' => false,
+				),
+				'help_tabs'     => array(
+					'preview_message' => array(
+						'title'    => esc_html__('About Previews', 'event_espresso'),
+						'callback' => 'preview_message_help_tab',
+					),
+				),
+				'require_nonce' => false,
+			),
+			'settings'                 => array(
+				'nav'           => array(
+					'label' => esc_html__('Settings', 'event_espresso'),
+					'order' => 40,
+				),
+				'metaboxes'     => array('_messages_settings_metaboxes'),
+				'help_tabs'     => array(
+					'messages_settings_help_tab'               => array(
+						'title'    => esc_html__('Messages Settings', 'event_espresso'),
+						'filename' => 'messages_settings',
+					),
+					'messages_settings_message_types_help_tab' => array(
+						'title'    => esc_html__('Activating / Deactivating Message Types', 'event_espresso'),
+						'filename' => 'messages_settings_message_types',
+					),
+					'messages_settings_messengers_help_tab'    => array(
+						'title'    => esc_html__('Activating / Deactivating Messengers', 'event_espresso'),
+						'filename' => 'messages_settings_messengers',
+					),
+				),
+				'help_tour'     => array('Messages_Settings_Help_Tour'),
+				'require_nonce' => false,
+			),
+		);
+	}
+
+
+	protected function _add_screen_options()
+	{
+		// todo
+	}
+
+
+	protected function _add_screen_options_global_mtps()
+	{
+		/**
+		 * Note: the reason for the value swap here on $this->_admin_page_title is because $this->_per_page_screen_options
+		 * uses the $_admin_page_title property and we want different outputs in the different spots.
+		 */
+		$page_title = $this->_admin_page_title;
+		$this->_admin_page_title = esc_html__('Global Message Templates', 'event_espresso');
+		$this->_per_page_screen_option();
+		$this->_admin_page_title = $page_title;
+	}
+
+
+	protected function _add_screen_options_default()
+	{
+		$this->_admin_page_title = esc_html__('Message Activity', 'event_espresso');
+		$this->_per_page_screen_option();
+	}
+
+
+	// none of the below group are currently used for Messages
+	protected function _add_feature_pointers()
+	{
+	}
+
+	public function admin_init()
+	{
+	}
+
+	public function admin_notices()
+	{
+	}
+
+	public function admin_footer_scripts()
+	{
+	}
+
+
+	public function messages_help_tab()
+	{
+		EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_help_tab.template.php');
+	}
+
+
+	public function messengers_help_tab()
+	{
+		EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_messenger_help_tab.template.php');
+	}
+
+
+	public function message_types_help_tab()
+	{
+		EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_message_type_help_tab.template.php');
+	}
+
+
+	public function messages_overview_help_tab()
+	{
+		EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_overview_help_tab.template.php');
+	}
+
+
+	public function message_templates_help_tab()
+	{
+		EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_message_templates_help_tab.template.php');
+	}
+
+
+	public function edit_message_template_help_tab()
+	{
+		$args['img1'] = '<img src="' . EE_MSG_ASSETS_URL . 'images/editor.png' . '" alt="'
+						. esc_attr__('Editor Title', 'event_espresso')
+						. '" />';
+		$args['img2'] = '<img src="' . EE_MSG_ASSETS_URL . 'images/switch-context.png' . '" alt="'
+						. esc_attr__('Context Switcher and Preview', 'event_espresso')
+						. '" />';
+		$args['img3'] = '<img class="left" src="' . EE_MSG_ASSETS_URL . 'images/form-fields.png' . '" alt="'
+						. esc_attr__('Message Template Form Fields', 'event_espresso')
+						. '" />';
+		$args['img4'] = '<img class="right" src="' . EE_MSG_ASSETS_URL . 'images/shortcodes-metabox.png' . '" alt="'
+						. esc_attr__('Shortcodes Metabox', 'event_espresso')
+						. '" />';
+		$args['img5'] = '<img class="right" src="' . EE_MSG_ASSETS_URL . 'images/publish-meta-box.png' . '" alt="'
+						. esc_attr__('Publish Metabox', 'event_espresso')
+						. '" />';
+		EEH_Template::display_template(
+			EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_templates_editor_help_tab.template.php',
+			$args
+		);
+	}
+
+
+	public function message_template_shortcodes_help_tab()
+	{
+		$this->_set_shortcodes();
+		$args['shortcodes'] = $this->_shortcodes;
+		EEH_Template::display_template(
+			EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_shortcodes_help_tab.template.php',
+			$args
+		);
+	}
+
+
+	public function preview_message_help_tab()
+	{
+		EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_preview_help_tab.template.php');
+	}
+
+
+	public function settings_help_tab()
+	{
+		$args['img1'] = '<img class="inline-text" src="' . EE_MSG_ASSETS_URL . 'images/email-tab-active.png'
+						. '" alt="' . esc_attr__('Active Email Tab', 'event_espresso') . '" />';
+		$args['img2'] = '<img class="inline-text" src="' . EE_MSG_ASSETS_URL . 'images/email-tab-inactive.png'
+						. '" alt="' . esc_attr__('Inactive Email Tab', 'event_espresso') . '" />';
+		$args['img3'] = '<div class="switch">'
+						. '<input class="ee-on-off-toggle ee-toggle-round-flat"'
+						. ' type="checkbox" checked="checked">'
+						. '<label for="ee-on-off-toggle-on"></label>'
+						. '</div>';
+		$args['img4'] = '<div class="switch">'
+						. '<input class="ee-on-off-toggle ee-toggle-round-flat"'
+						. ' type="checkbox">'
+						. '<label for="ee-on-off-toggle-on"></label>'
+						. '</div>';
+		EEH_Template::display_template(EE_MSG_TEMPLATE_PATH . 'ee_msg_messages_settings_help_tab.template.php', $args);
+	}
+
+
+	public function load_scripts_styles()
+	{
+		wp_register_style('espresso_ee_msg', EE_MSG_ASSETS_URL . 'ee_message_admin.css', EVENT_ESPRESSO_VERSION);
+		wp_enqueue_style('espresso_ee_msg');
+
+		wp_register_script(
+			'ee-messages-settings',
+			EE_MSG_ASSETS_URL . 'ee-messages-settings.js',
+			array('jquery-ui-droppable', 'ee-serialize-full-array'),
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		wp_register_script(
+			'ee-msg-list-table-js',
+			EE_MSG_ASSETS_URL . 'ee_message_admin_list_table.js',
+			array('ee-dialog'),
+			EVENT_ESPRESSO_VERSION
+		);
+	}
+
+
+	public function load_scripts_styles_default()
+	{
+		wp_enqueue_script('ee-msg-list-table-js');
+	}
+
+
+	public function wp_editor_css($mce_css)
+	{
+		// if we're on the edit_message_template route
+		if ($this->_req_action === 'edit_message_template' && $this->_active_messenger instanceof EE_messenger) {
+			$message_type_name = $this->_active_message_type_name;
+
+			// we're going to REPLACE the existing mce css
+			// we need to get the css file location from the active messenger
+			$mce_css = $this->_active_messenger->get_variation(
+				$this->_template_pack,
+				$message_type_name,
+				true,
+				'wpeditor',
+				$this->_variation
+			);
+		}
+
+		return $mce_css;
+	}
+
+
+	public function load_scripts_styles_edit_message_template()
+	{
+
+		$this->_set_shortcodes();
+
+		EE_Registry::$i18n_js_strings['confirm_default_reset'] = sprintf(
+			esc_html__(
+				'Are you sure you want to reset the %s %s message templates?  Remember continuing will reset the templates for all contexts in this messenger and message type group.',
+				'event_espresso'
+			),
+			$this->_message_template_group->messenger_obj()->label['singular'],
+			$this->_message_template_group->message_type_obj()->label['singular']
+		);
+		EE_Registry::$i18n_js_strings['confirm_switch_template_pack'] = esc_html__(
+			'Switching the template pack for a messages template will reset the content for the template so the new layout is loaded.  Any custom content in the existing template will be lost. Are you sure you wish to do this?',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['server_error'] = esc_html__(
+			'An unknown error occurred on the server while attempting to process your request. Please refresh the page and try again or contact support.',
+			'event_espresso'
+		);
+
+		wp_register_script(
+			'ee_msgs_edit_js',
+			EE_MSG_ASSETS_URL . 'ee_message_editor.js',
+			array('jquery'),
+			EVENT_ESPRESSO_VERSION
+		);
+
+		wp_enqueue_script('ee_admin_js');
+		wp_enqueue_script('ee_msgs_edit_js');
+
+		// add in special css for tiny_mce
+		add_filter('mce_css', array($this, 'wp_editor_css'));
+	}
+
+
+	public function load_scripts_styles_display_preview_message()
+	{
+
+		$this->_set_message_template_group();
+
+		if (isset($this->_req_data['messenger'])) {
+			$this->_active_messenger = $this->_message_resource_manager->get_active_messenger(
+				$this->_req_data['messenger']
+			);
+		}
+
+		$message_type_name = isset($this->_req_data['message_type']) ? $this->_req_data['message_type'] : '';
+
+
+		wp_enqueue_style(
+			'espresso_preview_css',
+			$this->_active_messenger->get_variation(
+				$this->_template_pack,
+				$message_type_name,
+				true,
+				'preview',
+				$this->_variation
+			)
+		);
+	}
+
+
+	public function load_scripts_styles_settings()
+	{
+		wp_register_style(
+			'ee-message-settings',
+			EE_MSG_ASSETS_URL . 'ee_message_settings.css',
+			array(),
+			EVENT_ESPRESSO_VERSION
+		);
+		wp_enqueue_style('ee-text-links');
+		wp_enqueue_style('ee-message-settings');
+		wp_enqueue_script('ee-messages-settings');
+	}
+
+
+	/**
+	 * set views array for List Table
+	 */
+	public function _set_list_table_views_global_mtps()
+	{
+		$this->_views = array(
+			'in_use' => array(
+				'slug'  => 'in_use',
+				'label' => esc_html__('In Use', 'event_espresso'),
+				'count' => 0,
+			),
+		);
+	}
+
+
+	/**
+	 * Set views array for the Custom Template List Table
+	 */
+	public function _set_list_table_views_custom_mtps()
+	{
+		$this->_set_list_table_views_global_mtps();
+		$this->_views['in_use']['bulk_action'] = array(
+			'trash_message_template' => esc_html__('Move to Trash', 'event_espresso'),
+		);
+	}
+
+
+	/**
+	 * set views array for message queue list table
+	 *
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function _set_list_table_views_default()
+	{
+		EE_Registry::instance()->load_helper('Template');
+
+		$common_bulk_actions = EE_Registry::instance()->CAP->current_user_can(
+			'ee_send_message',
+			'message_list_table_bulk_actions'
+		)
+			? array(
+				'generate_now'          => esc_html__('Generate Now', 'event_espresso'),
+				'generate_and_send_now' => esc_html__('Generate and Send Now', 'event_espresso'),
+				'queue_for_resending'   => esc_html__('Queue for Resending', 'event_espresso'),
+				'send_now'              => esc_html__('Send Now', 'event_espresso'),
+			)
+			: array();
+
+		$delete_bulk_action = EE_Registry::instance()->CAP->current_user_can(
+			'ee_delete_messages',
+			'message_list_table_bulk_actions'
+		)
+			? array('delete_ee_messages' => esc_html__('Delete Messages', 'event_espresso'))
+			: array();
+
+
+		$this->_views = array(
+			'all' => array(
+				'slug'        => 'all',
+				'label'       => esc_html__('All', 'event_espresso'),
+				'count'       => 0,
+				'bulk_action' => array_merge($common_bulk_actions, $delete_bulk_action),
+			),
+		);
+
+
+		foreach (EEM_Message::instance()->all_statuses() as $status) {
+			if ($status === EEM_Message::status_debug_only && ! EEM_Message::debug()) {
+				continue;
+			}
+			$status_bulk_actions = $common_bulk_actions;
+			// unset bulk actions not applying to status
+			if (! empty($status_bulk_actions)) {
+				switch ($status) {
+					case EEM_Message::status_idle:
+					case EEM_Message::status_resend:
+						$status_bulk_actions['send_now'] = $common_bulk_actions['send_now'];
+						break;
+
+					case EEM_Message::status_failed:
+					case EEM_Message::status_debug_only:
+					case EEM_Message::status_messenger_executing:
+						$status_bulk_actions = array();
+						break;
+
+					case EEM_Message::status_incomplete:
+						unset($status_bulk_actions['queue_for_resending'], $status_bulk_actions['send_now']);
+						break;
+
+					case EEM_Message::status_retry:
+					case EEM_Message::status_sent:
+						unset($status_bulk_actions['generate_now'], $status_bulk_actions['generate_and_send_now']);
+						break;
+				}
+			}
+
+			// skip adding messenger executing status to views because it will be included with the Failed view.
+			if ($status === EEM_Message::status_messenger_executing) {
+				continue;
+			}
+
+			$this->_views[ strtolower($status) ] = array(
+				'slug'        => strtolower($status),
+				'label'       => EEH_Template::pretty_status($status, false, 'sentence'),
+				'count'       => 0,
+				'bulk_action' => array_merge($status_bulk_actions, $delete_bulk_action),
+			);
+		}
+	}
+
+
+	protected function _ee_default_messages_overview_list_table()
+	{
+		$this->_admin_page_title = esc_html__('Default Message Templates', 'event_espresso');
+		$this->display_admin_list_table_page_with_no_sidebar();
+	}
+
+
+	protected function _message_queue_list_table()
+	{
+		$this->_search_btn_label = esc_html__('Message Activity', 'event_espresso');
+		$this->_template_args['per_column'] = 6;
+		$this->_template_args['after_list_table'] = $this->_display_legend($this->_message_legend_items());
+		$this->_template_args['before_list_table'] = '<h3>'
+													 . EEM_Message::instance()->get_pretty_label_for_results()
+													 . '</h3>';
+		$this->display_admin_list_table_page_with_no_sidebar();
+	}
+
+
+	protected function _message_legend_items()
+	{
+
+		$action_css_classes = EEH_MSG_Template::get_message_action_icons();
+		$action_items = array();
+
+		foreach ($action_css_classes as $action_item => $action_details) {
+			if ($action_item === 'see_notifications_for') {
+				continue;
+			}
+			$action_items[ $action_item ] = array(
+				'class' => $action_details['css_class'],
+				'desc'  => $action_details['label'],
+			);
+		}
+
+		/** @type array $status_items status legend setup */
+		$status_items = array(
+			'sent_status'                => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_sent,
+				'desc'  => EEH_Template::pretty_status(EEM_Message::status_sent, false, 'sentence'),
+			),
+			'idle_status'                => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_idle,
+				'desc'  => EEH_Template::pretty_status(EEM_Message::status_idle, false, 'sentence'),
+			),
+			'failed_status'              => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_failed,
+				'desc'  => EEH_Template::pretty_status(EEM_Message::status_failed, false, 'sentence'),
+			),
+			'messenger_executing_status' => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_messenger_executing,
+				'desc'  => EEH_Template::pretty_status(EEM_Message::status_messenger_executing, false, 'sentence'),
+			),
+			'resend_status'              => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_resend,
+				'desc'  => EEH_Template::pretty_status(EEM_Message::status_resend, false, 'sentence'),
+			),
+			'incomplete_status'          => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_incomplete,
+				'desc'  => EEH_Template::pretty_status(EEM_Message::status_incomplete, false, 'sentence'),
+			),
+			'retry_status'               => array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_retry,
+				'desc'  => EEH_Template::pretty_status(EEM_Message::status_retry, false, 'sentence'),
+			),
+		);
+		if (EEM_Message::debug()) {
+			$status_items['debug_only_status'] = array(
+				'class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_debug_only,
+				'desc'  => EEH_Template::pretty_status(EEM_Message::status_debug_only, false, 'sentence'),
+			);
+		}
+
+		return array_merge($action_items, $status_items);
+	}
+
+
+	protected function _custom_mtps_preview()
+	{
+		$this->_admin_page_title = esc_html__('Custom Message Templates (Preview)', 'event_espresso');
+		$this->_template_args['preview_img'] = '<img src="' . EE_MSG_ASSETS_URL . 'images/custom_mtps_preview.png"'
+											   . ' alt="' . esc_attr__(
+												   'Preview Custom Message Templates screenshot',
+												   'event_espresso'
+											   ) . '" />';
+		$this->_template_args['preview_text'] = '<strong>'
+												. esc_html__(
+													'Custom Message Templates is a feature that is only available in the premium version of Event Espresso 4 which is available with a support license purchase on EventEspresso.com. With the Custom Message Templates feature, you are able to create custom message templates and assign them on a per-event basis.',
+													'event_espresso'
+												)
+												. '</strong>';
+
+		$this->display_admin_caf_preview_page('custom_message_types', false);
+	}
+
+
+	/**
+	 * get_message_templates
+	 * This gets all the message templates for listing on the overview list.
+	 *
+	 * @access public
+	 * @param int    $perpage the amount of templates groups to show per page
+	 * @param string $type    the current _view we're getting templates for
+	 * @param bool   $count   return count?
+	 * @param bool   $all     disregard any paging info (get all data);
+	 * @param bool   $global  whether to return just global (true) or custom templates (false)
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function get_message_templates(
+		$perpage = 10,
+		$type = 'in_use',
+		$count = false,
+		$all = false,
+		$global = true
+	) {
+
+		$MTP = EEM_Message_Template_Group::instance();
+
+		$this->_req_data['orderby'] = empty($this->_req_data['orderby']) ? 'GRP_ID' : $this->_req_data['orderby'];
+		$orderby = $this->_req_data['orderby'];
+
+		$order = (isset($this->_req_data['order']) && ! empty($this->_req_data['order']))
+			? $this->_req_data['order']
+			: 'ASC';
+
+		$current_page = isset($this->_req_data['paged']) && ! empty($this->_req_data['paged'])
+			? $this->_req_data['paged']
+			: 1;
+		$per_page = isset($this->_req_data['perpage']) && ! empty($this->_req_data['perpage'])
+			? $this->_req_data['perpage']
+			: $perpage;
+
+		$offset = ($current_page - 1) * $per_page;
+		$limit = $all ? null : array($offset, $per_page);
+
+
+		// options will match what is in the _views array property
+		switch ($type) {
+			case 'in_use':
+				$templates = $MTP->get_all_active_message_templates($orderby, $order, $limit, $count, $global, true);
+				break;
+			default:
+				$templates = $MTP->get_all_trashed_grouped_message_templates($orderby, $order, $limit, $count, $global);
+		}
+
+		return $templates;
+	}
+
+
+	/**
+	 * filters etc might need a list of installed message_types
+	 *
+	 * @return array an array of message type objects
+	 */
+	public function get_installed_message_types()
+	{
+		$installed_message_types = $this->_message_resource_manager->installed_message_types();
+		$installed = array();
+
+		foreach ($installed_message_types as $message_type) {
+			$installed[ $message_type->name ] = $message_type;
+		}
+
+		return $installed;
+	}
+
+
+	/**
+	 * _add_message_template
+	 *
+	 * This is used when creating a custom template. All Custom Templates start based off another template.
+	 *
+	 * @param string $message_type
+	 * @param string $messenger
+	 * @param string $GRP_ID
+	 *
+	 * @throws EE_error
+	 */
+	protected function _add_message_template($message_type = '', $messenger = '', $GRP_ID = '')
+	{
+		// set values override any request data
+		$message_type = ! empty($message_type) ? $message_type : '';
+		$message_type = empty($message_type) && ! empty($this->_req_data['message_type'])
+			? $this->_req_data['message_type']
+			: $message_type;
+
+		$messenger = ! empty($messenger) ? $messenger : '';
+		$messenger = empty($messenger) && ! empty($this->_req_data['messenger'])
+			? $this->_req_data['messenger']
+			: $messenger;
+
+		$GRP_ID = ! empty($GRP_ID) ? $GRP_ID : '';
+		$GRP_ID = empty($GRP_ID) && ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : $GRP_ID;
+
+		// we need messenger and message type.  They should be coming from the event editor. If not here then return error
+		if (empty($message_type) || empty($messenger)) {
+			throw new EE_Error(
+				esc_html__(
+					'Sorry, but we can\'t create new templates because we\'re missing the messenger or message type',
+					'event_espresso'
+				)
+			);
+		}
+
+		// we need the GRP_ID for the template being used as the base for the new template
+		if (empty($GRP_ID)) {
+			throw new EE_Error(
+				esc_html__(
+					'In order to create a custom message template the GRP_ID of the template being used as a base is needed',
+					'event_espresso'
+				)
+			);
+		}
+
+		// let's just make sure the template gets generated!
+
+		// we need to reassign some variables for what the insert is expecting
+		$this->_req_data['MTP_messenger'] = $messenger;
+		$this->_req_data['MTP_message_type'] = $message_type;
+		$this->_req_data['GRP_ID'] = $GRP_ID;
+		$this->_insert_or_update_message_template(true);
+	}
+
+
+	/**
+	 * public wrapper for the _add_message_template method
+	 *
+	 * @param string $message_type     message type slug
+	 * @param string $messenger        messenger slug
+	 * @param int    $GRP_ID           GRP_ID for the related message template group this new template will be based
+	 *                                 off of.
+	 * @throws EE_error
+	 */
+	public function add_message_template($message_type, $messenger, $GRP_ID)
+	{
+		$this->_add_message_template($message_type, $messenger, $GRP_ID);
+	}
+
+
+	/**
+	 * _edit_message_template
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws InvalidIdentifierException
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _edit_message_template()
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$template_fields = '';
+		$sidebar_fields = '';
+		// we filter the tinyMCE settings to remove the validation since message templates by their nature will not have
+		// valid html in the templates.
+		add_filter('tiny_mce_before_init', array($this, 'filter_tinymce_init'), 10, 2);
+
+		$GRP_ID = isset($this->_req_data['id']) && ! empty($this->_req_data['id'])
+			? absint($this->_req_data['id'])
+			: false;
+
+		$EVT_ID = isset($this->_req_data['evt_id']) && ! empty($this->_req_data['evt_id'])
+		? absint($this->_req_data['evt_id'])
+		: false;
+
+		$this->_set_shortcodes(); // this also sets the _message_template property.
+		$message_template_group = $this->_message_template_group;
+		$c_label = $message_template_group->context_label();
+		$c_config = $message_template_group->contexts_config();
+
+		reset($c_config);
+		$context = isset($this->_req_data['context']) && ! empty($this->_req_data['context'])
+			? strtolower($this->_req_data['context'])
+			: key($c_config);
+
+
+		if (empty($GRP_ID)) {
+			$action = 'insert_message_template';
+			$edit_message_template_form_url = add_query_arg(
+				array('action' => $action, 'noheader' => true),
+				EE_MSG_ADMIN_URL
+			);
+		} else {
+			$action = 'update_message_template';
+			$edit_message_template_form_url = add_query_arg(
+				array('action' => $action, 'noheader' => true),
+				EE_MSG_ADMIN_URL
+			);
+		}
+
+		// set active messenger for this view
+		$this->_active_messenger = $this->_message_resource_manager->get_active_messenger(
+			$message_template_group->messenger()
+		);
+		$this->_active_message_type_name = $message_template_group->message_type();
+
+
+		// Do we have any validation errors?
+		$validators = $this->_get_transient();
+		$v_fields = ! empty($validators) ? array_keys($validators) : array();
+
+
+		// we need to assemble the title from Various details
+		$context_label = sprintf(
+			esc_html__('(%s %s)', 'event_espresso'),
+			$c_config[ $context ]['label'],
+			ucwords($c_label['label'])
+		);
+
+		$title = sprintf(
+			esc_html__(' %s %s Template %s', 'event_espresso'),
+			ucwords($message_template_group->messenger_obj()->label['singular']),
+			ucwords($message_template_group->message_type_obj()->label['singular']),
+			$context_label
+		);
+
+		$this->_template_args['GRP_ID'] = $GRP_ID;
+		$this->_template_args['message_template'] = $message_template_group;
+		$this->_template_args['is_extra_fields'] = false;
+
+
+		// let's get EEH_MSG_Template so we can get template form fields
+		$template_field_structure = EEH_MSG_Template::get_fields(
+			$message_template_group->messenger(),
+			$message_template_group->message_type()
+		);
+
+		if (! $template_field_structure) {
+			$template_field_structure = false;
+			$template_fields = esc_html__(
+				'There was an error in assembling the fields for this display (you should see an error message)',
+				'event_espresso'
+			);
+		}
+
+
+		$message_templates = $message_template_group->context_templates();
+
+
+		// if we have the extra key.. then we need to remove the content index from the template_field_structure as it
+		// will get handled in the "extra" array.
+		if (is_array($template_field_structure[ $context ]) && isset($template_field_structure[ $context ]['extra'])) {
+			foreach ($template_field_structure[ $context ]['extra'] as $reference_field => $new_fields) {
+				unset($template_field_structure[ $context ][ $reference_field ]);
+			}
+		}
+
+		// let's loop through the template_field_structure and actually assemble the input fields!
+		if (! empty($template_field_structure)) {
+			foreach ($template_field_structure[ $context ] as $template_field => $field_setup_array) {
+				// if this is an 'extra' template field then we need to remove any existing fields that are keyed up in
+				// the extra array and reset them.
+				if ($template_field === 'extra') {
+					$this->_template_args['is_extra_fields'] = true;
+					foreach ($field_setup_array as $reference_field => $new_fields_array) {
+						$message_template = $message_templates[ $context ][ $reference_field ];
+						$content = $message_template instanceof EE_Message_Template
+							? $message_template->get('MTP_content')
+							: '';
+						foreach ($new_fields_array as $extra_field => $extra_array) {
+							// let's verify if we need this extra field via the shortcodes parameter.
+							$continue = false;
+							if (isset($extra_array['shortcodes_required'])) {
+								foreach ((array) $extra_array['shortcodes_required'] as $shortcode) {
+									if (! array_key_exists($shortcode, $this->_shortcodes)) {
+										$continue = true;
+									}
+								}
+								if ($continue) {
+									continue;
+								}
+							}
+
+							$field_id = $reference_field
+										. '-'
+										. $extra_field
+										. '-content';
+							$template_form_fields[ $field_id ] = $extra_array;
+							$template_form_fields[ $field_id ]['name'] = 'MTP_template_fields['
+																		 . $reference_field
+																		 . '][content]['
+																		 . $extra_field . ']';
+							$css_class = isset($extra_array['css_class'])
+								? $extra_array['css_class']
+								: '';
+
+							$template_form_fields[ $field_id ]['css_class'] = ! empty($v_fields)
+																			  && in_array($extra_field, $v_fields, true)
+																			  &&
+																			  (
+																				  is_array($validators[ $extra_field ])
+																				  && isset($validators[ $extra_field ]['msg'])
+																			  )
+								? 'validate-error ' . $css_class
+								: $css_class;
+
+							$template_form_fields[ $field_id ]['value'] = ! empty($message_templates)
+																		  && isset($content[ $extra_field ])
+								? $content[ $extra_field ]
+								: '';
+
+							// do we have a validation error?  if we do then let's use that value instead
+							$template_form_fields[ $field_id ]['value'] = isset($validators[ $extra_field ])
+								? $validators[ $extra_field ]['value']
+								: $template_form_fields[ $field_id ]['value'];
+
+
+							$template_form_fields[ $field_id ]['db-col'] = 'MTP_content';
+
+							// shortcode selector
+							$field_name_to_use = $extra_field === 'main'
+								? 'content'
+								: $extra_field;
+							$template_form_fields[ $field_id ]['append_content'] = $this->_get_shortcode_selector(
+								$field_name_to_use,
+								$field_id
+							);
+
+							if (isset($extra_array['input']) && $extra_array['input'] === 'wp_editor') {
+								// we want to decode the entities
+								$template_form_fields[ $field_id ]['value'] = $template_form_fields[ $field_id ]['value'];
+							}/**/
+						}
+						$templatefield_MTP_id = $reference_field . '-MTP_ID';
+						$templatefield_templatename_id = $reference_field . '-name';
+
+						$template_form_fields[ $templatefield_MTP_id ] = array(
+							'name'       => 'MTP_template_fields[' . $reference_field . '][MTP_ID]',
+							'label'      => null,
+							'input'      => 'hidden',
+							'type'       => 'int',
+							'required'   => false,
+							'validation' => false,
+							'value'      => ! empty($message_templates) ? $message_template->ID() : '',
+							'css_class'  => '',
+							'format'     => '%d',
+							'db-col'     => 'MTP_ID',
+						);
+
+						$template_form_fields[ $templatefield_templatename_id ] = array(
+							'name'       => 'MTP_template_fields[' . $reference_field . '][name]',
+							'label'      => null,
+							'input'      => 'hidden',
+							'type'       => 'string',
+							'required'   => false,
+							'validation' => true,
+							'value'      => $reference_field,
+							'css_class'  => '',
+							'format'     => '%s',
+							'db-col'     => 'MTP_template_field',
+						);
+					}
+					continue; // skip the next stuff, we got the necessary fields here for this dataset.
+				} else {
+					$field_id = $template_field . '-content';
+					$template_form_fields[ $field_id ] = $field_setup_array;
+					$template_form_fields[ $field_id ]['name'] = 'MTP_template_fields[' . $template_field . '][content]';
+					$message_template = isset($message_templates[ $context ][ $template_field ])
+						? $message_templates[ $context ][ $template_field ]
+						: null;
+					$template_form_fields[ $field_id ]['value'] = ! empty($message_templates)
+																  && is_array($message_templates[ $context ])
+																  && $message_template instanceof EE_Message_Template
+						? $message_template->get('MTP_content')
+						: '';
+
+					// do we have a validator error for this field?  if we do then we'll use that value instead
+					$template_form_fields[ $field_id ]['value'] = isset($validators[ $template_field ])
+						? $validators[ $template_field ]['value']
+						: $template_form_fields[ $field_id ]['value'];
+
+
+					$template_form_fields[ $field_id ]['db-col'] = 'MTP_content';
+					$css_class = isset($field_setup_array['css_class'])
+						? $field_setup_array['css_class']
+						: '';
+					$template_form_fields[ $field_id ]['css_class'] = ! empty($v_fields)
+																	  && in_array($template_field, $v_fields, true)
+																	  && isset($validators[ $template_field ]['msg'])
+						? 'validate-error ' . $css_class
+						: $css_class;
+
+					// shortcode selector
+					$template_form_fields[ $field_id ]['append_content'] = $this->_get_shortcode_selector(
+						$template_field,
+						$field_id
+					);
+				}
+
+				// k took care of content field(s) now let's take care of others.
+
+				$templatefield_MTP_id = $template_field . '-MTP_ID';
+				$templatefield_field_templatename_id = $template_field . '-name';
+
+				// foreach template field there are actually two form fields created
+				$template_form_fields[ $templatefield_MTP_id ] = array(
+					'name'       => 'MTP_template_fields[' . $template_field . '][MTP_ID]',
+					'label'      => null,
+					'input'      => 'hidden',
+					'type'       => 'int',
+					'required'   => false,
+					'validation' => true,
+					'value'      => $message_template instanceof EE_Message_Template ? $message_template->ID() : '',
+					'css_class'  => '',
+					'format'     => '%d',
+					'db-col'     => 'MTP_ID',
+				);
+
+				$template_form_fields[ $templatefield_field_templatename_id ] = array(
+					'name'       => 'MTP_template_fields[' . $template_field . '][name]',
+					'label'      => null,
+					'input'      => 'hidden',
+					'type'       => 'string',
+					'required'   => false,
+					'validation' => true,
+					'value'      => $template_field,
+					'css_class'  => '',
+					'format'     => '%s',
+					'db-col'     => 'MTP_template_field',
+				);
+			}
+
+			// add other fields
+			$template_form_fields['ee-msg-current-context'] = array(
+				'name'       => 'MTP_context',
+				'label'      => null,
+				'input'      => 'hidden',
+				'type'       => 'string',
+				'required'   => false,
+				'validation' => true,
+				'value'      => $context,
+				'css_class'  => '',
+				'format'     => '%s',
+				'db-col'     => 'MTP_context',
+			);
+
+			$template_form_fields['ee-msg-grp-id'] = array(
+				'name'       => 'GRP_ID',
+				'label'      => null,
+				'input'      => 'hidden',
+				'type'       => 'int',
+				'required'   => false,
+				'validation' => true,
+				'value'      => $GRP_ID,
+				'css_class'  => '',
+				'format'     => '%d',
+				'db-col'     => 'GRP_ID',
+			);
+
+			$template_form_fields['ee-msg-messenger'] = array(
+				'name'       => 'MTP_messenger',
+				'label'      => null,
+				'input'      => 'hidden',
+				'type'       => 'string',
+				'required'   => false,
+				'validation' => true,
+				'value'      => $message_template_group->messenger(),
+				'css_class'  => '',
+				'format'     => '%s',
+				'db-col'     => 'MTP_messenger',
+			);
+
+			$template_form_fields['ee-msg-message-type'] = array(
+				'name'       => 'MTP_message_type',
+				'label'      => null,
+				'input'      => 'hidden',
+				'type'       => 'string',
+				'required'   => false,
+				'validation' => true,
+				'value'      => $message_template_group->message_type(),
+				'css_class'  => '',
+				'format'     => '%s',
+				'db-col'     => 'MTP_message_type',
+			);
+
+			$sidebar_form_fields['ee-msg-is-global'] = array(
+				'name'       => 'MTP_is_global',
+				'label'      => esc_html__('Global Template', 'event_espresso'),
+				'input'      => 'hidden',
+				'type'       => 'int',
+				'required'   => false,
+				'validation' => true,
+				'value'      => $message_template_group->get('MTP_is_global'),
+				'css_class'  => '',
+				'format'     => '%d',
+				'db-col'     => 'MTP_is_global',
+			);
+
+			$sidebar_form_fields['ee-msg-is-override'] = array(
+				'name'       => 'MTP_is_override',
+				'label'      => esc_html__('Override all custom', 'event_espresso'),
+				'input'      => $message_template_group->is_global() ? 'checkbox' : 'hidden',
+				'type'       => 'int',
+				'required'   => false,
+				'validation' => true,
+				'value'      => $message_template_group->get('MTP_is_override'),
+				'css_class'  => '',
+				'format'     => '%d',
+				'db-col'     => 'MTP_is_override',
+			);
+
+			$sidebar_form_fields['ee-msg-is-active'] = array(
+				'name'       => 'MTP_is_active',
+				'label'      => esc_html__('Active Template', 'event_espresso'),
+				'input'      => 'hidden',
+				'type'       => 'int',
+				'required'   => false,
+				'validation' => true,
+				'value'      => $message_template_group->is_active(),
+				'css_class'  => '',
+				'format'     => '%d',
+				'db-col'     => 'MTP_is_active',
+			);
+
+			$sidebar_form_fields['ee-msg-deleted'] = array(
+				'name'       => 'MTP_deleted',
+				'label'      => null,
+				'input'      => 'hidden',
+				'type'       => 'int',
+				'required'   => false,
+				'validation' => true,
+				'value'      => $message_template_group->get('MTP_deleted'),
+				'css_class'  => '',
+				'format'     => '%d',
+				'db-col'     => 'MTP_deleted',
+			);
+			$sidebar_form_fields['ee-msg-author'] = array(
+				'name'       => 'MTP_user_id',
+				'label'      => esc_html__('Author', 'event_espresso'),
+				'input'      => 'hidden',
+				'type'       => 'int',
+				'required'   => false,
+				'validation' => false,
+				'value'      => $message_template_group->user(),
+				'format'     => '%d',
+				'db-col'     => 'MTP_user_id',
+			);
+
+			$sidebar_form_fields['ee-msg-route'] = array(
+				'name'  => 'action',
+				'input' => 'hidden',
+				'type'  => 'string',
+				'value' => $action,
+			);
+
+			$sidebar_form_fields['ee-msg-id'] = array(
+				'name'  => 'id',
+				'input' => 'hidden',
+				'type'  => 'int',
+				'value' => $GRP_ID,
+			);
+			$sidebar_form_fields['ee-msg-evt-nonce'] = array(
+				'name'  => $action . '_nonce',
+				'input' => 'hidden',
+				'type'  => 'string',
+				'value' => wp_create_nonce($action . '_nonce'),
+			);
+
+			if (isset($this->_req_data['template_switch']) && $this->_req_data['template_switch']) {
+				$sidebar_form_fields['ee-msg-template-switch'] = array(
+					'name'  => 'template_switch',
+					'input' => 'hidden',
+					'type'  => 'int',
+					'value' => 1,
+				);
+			}
+
+
+			$template_fields = $this->_generate_admin_form_fields($template_form_fields);
+			$sidebar_fields = $this->_generate_admin_form_fields($sidebar_form_fields);
+		} //end if ( !empty($template_field_structure) )
+
+		// set extra content for publish box
+		$this->_template_args['publish_box_extra_content'] = $sidebar_fields;
+		$this->_set_publish_post_box_vars(
+			'id',
+			$GRP_ID,
+			false,
+			add_query_arg(
+				array('action' => 'global_mtps'),
+				$this->_admin_base_url
+			)
+		);
+
+		// add preview button
+		$preview_url = parent::add_query_args_and_nonce(
+			array(
+				'message_type' => $message_template_group->message_type(),
+				'messenger'    => $message_template_group->messenger(),
+				'context'      => $context,
+				'GRP_ID'       => $GRP_ID,
+				'evt_id'       => $EVT_ID,
+				'action'       => 'preview_message',
+			),
+			$this->_admin_base_url
+		);
+		$preview_button = '<a href="' . $preview_url . '" class="button-secondary messages-preview-button">'
+						  . esc_html__('Preview', 'event_espresso')
+						  . '</a>';
+
+
+		// setup context switcher
+		$context_switcher_args = array(
+			'page'    => 'espresso_messages',
+			'action'  => 'edit_message_template',
+			'id'      => $GRP_ID,
+			'evt_id'  => $EVT_ID,
+			'context' => $context,
+			'extra'   => $preview_button,
+		);
+		$this->_set_context_switcher($message_template_group, $context_switcher_args);
+
+
+		// main box
+		$this->_template_args['template_fields'] = $template_fields;
+		$this->_template_args['sidebar_box_id'] = 'details';
+		$this->_template_args['action'] = $action;
+		$this->_template_args['context'] = $context;
+		$this->_template_args['edit_message_template_form_url'] = $edit_message_template_form_url;
+		$this->_template_args['learn_more_about_message_templates_link'] =
+			$this->_learn_more_about_message_templates_link();
+
+
+		$this->_template_args['before_admin_page_content'] = $this->add_context_switcher();
+		$this->_template_args['before_admin_page_content'] .= $this->add_active_context_element(
+			$message_template_group,
+			$context,
+			$context_label
+		);
+		$this->_template_args['before_admin_page_content'] .= $this->_add_form_element_before();
+		$this->_template_args['after_admin_page_content'] = $this->_add_form_element_after();
+
+		$this->_template_path = $this->_template_args['GRP_ID']
+			? EE_MSG_TEMPLATE_PATH . 'ee_msg_details_main_edit_meta_box.template.php'
+			: EE_MSG_TEMPLATE_PATH . 'ee_msg_details_main_add_meta_box.template.php';
+
+		// send along EE_Message_Template_Group object for further template use.
+		$this->_template_args['MTP'] = $message_template_group;
+
+		$this->_template_args['admin_page_content'] = EEH_Template::display_template(
+			$this->_template_path,
+			$this->_template_args,
+			true
+		);
+
+
+		// finally, let's set the admin_page title
+		$this->_admin_page_title = sprintf(__('Editing %s', 'event_espresso'), $title);
+
+
+		// we need to take care of setting the shortcodes property for use elsewhere.
+		$this->_set_shortcodes();
+
+
+		// final template wrapper
+		$this->display_admin_page_with_sidebar();
+	}
+
+
+	public function filter_tinymce_init($mceInit, $editor_id)
+	{
+		return $mceInit;
+	}
+
+
+	public function add_context_switcher()
+	{
+		return $this->_context_switcher;
+	}
+
+
+	/**
+	 * Adds the activation/deactivation toggle for the message template context.
+	 *
+	 * @param EE_Message_Template_Group $message_template_group
+	 * @param string                    $context
+	 * @param string                    $context_label
+	 * @return string
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidIdentifierException
+	 */
+	protected function add_active_context_element(
+		EE_Message_Template_Group $message_template_group,
+		$context,
+		$context_label
+	) {
+		$template_args = array(
+			'context'                   => $context,
+			'nonce'                     => wp_create_nonce('activate_' . $context . '_toggle_nonce'),
+			'is_active'                 => $message_template_group->is_context_active($context),
+			'on_off_action'             => $message_template_group->is_context_active($context)
+				? 'context-off'
+				: 'context-on',
+			'context_label'             => str_replace(array('(', ')'), '', $context_label),
+			'message_template_group_id' => $message_template_group->ID(),
+		);
+		return EEH_Template::display_template(
+			EE_MSG_TEMPLATE_PATH . 'ee_msg_editor_active_context_element.template.php',
+			$template_args,
+			true
+		);
+	}
+
+
+	/**
+	 * Ajax callback for `toggle_context_template` ajax action.
+	 * Handles toggling the message context on or off.
+	 *
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidIdentifierException
+	 * @throws InvalidInterfaceException
+	 */
+	public function toggle_context_template()
+	{
+		$success = true;
+		// check for required data
+		if (! isset(
+			$this->_req_data['message_template_group_id'],
+			$this->_req_data['context'],
+			$this->_req_data['status']
+		)) {
+			EE_Error::add_error(
+				esc_html__('Required data for doing this action is not available.', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+		$nonce = isset($this->_req_data['toggle_context_nonce'])
+			? sanitize_text_field($this->_req_data['toggle_context_nonce'])
+			: '';
+		$nonce_ref = 'activate_' . $this->_req_data['context'] . '_toggle_nonce';
+		$this->_verify_nonce($nonce, $nonce_ref);
+		$status = $this->_req_data['status'];
+		if ($status !== 'off' && $status !== 'on') {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__('The given status (%s) is not valid. Must be "off" or "on"', 'event_espresso'),
+					$this->_req_data['status']
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+		$message_template_group = EEM_Message_Template_Group::instance()->get_one_by_ID(
+			$this->_req_data['message_template_group_id']
+		);
+		if (! $message_template_group instanceof EE_Message_Template_Group) {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__(
+						'Unable to change the active state because the given id "%1$d" does not match a valid "%2$s"',
+						'event_espresso'
+					),
+					$this->_req_data['message_template_group_id'],
+					'EE_Message_Template_Group'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+		if ($success) {
+			$success = $status === 'off'
+				? $message_template_group->deactivate_context($this->_req_data['context'])
+				: $message_template_group->activate_context($this->_req_data['context']);
+		}
+		$this->_template_args['success'] = $success;
+		$this->_return_json();
+	}
+
+
+	public function _add_form_element_before()
+	{
+		return '<form method="post" action="'
+			   . $this->_template_args["edit_message_template_form_url"]
+			   . '" id="ee-msg-edit-frm">';
+	}
+
+	public function _add_form_element_after()
+	{
+		return '</form>';
+	}
+
+
+	/**
+	 * This executes switching the template pack for a message template.
+	 *
+	 * @since 4.5.0
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 */
+	public function switch_template_pack()
+	{
+		$GRP_ID = ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : 0;
+		$template_pack = ! empty($this->_req_data['template_pack']) ? $this->_req_data['template_pack'] : '';
+
+		// verify we have needed values.
+		if (empty($GRP_ID) || empty($template_pack)) {
+			$this->_template_args['error'] = true;
+			EE_Error::add_error(
+				esc_html__('The required date for switching templates is not available.', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		} else {
+			// get template, set the new template_pack and then reset to default
+			/** @type EE_Message_Template_Group $message_template_group */
+			$message_template_group = EEM_Message_Template_Group::instance()->get_one_by_ID($GRP_ID);
+
+			$message_template_group->set_template_pack_name($template_pack);
+			$this->_req_data['msgr'] = $message_template_group->messenger();
+			$this->_req_data['mt'] = $message_template_group->message_type();
+
+			$query_args = $this->_reset_to_default_template();
+
+			if (empty($query_args['id'])) {
+				EE_Error::add_error(
+					esc_html__(
+						'Something went wrong with switching the template pack. Please try again or contact EE support',
+						'event_espresso'
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				$this->_template_args['error'] = true;
+			} else {
+				$template_label = $message_template_group->get_template_pack()->label;
+				$template_pack_labels = $message_template_group->messenger_obj()->get_supports_labels();
+				EE_Error::add_success(
+					sprintf(
+						esc_html__(
+							'This message template has been successfully switched to use the %1$s %2$s.  Please wait while the page reloads with your new template.',
+							'event_espresso'
+						),
+						$template_label,
+						$template_pack_labels->template_pack
+					)
+				);
+				// generate the redirect url for js.
+				$url = self::add_query_args_and_nonce(
+					$query_args,
+					$this->_admin_base_url
+				);
+				$this->_template_args['data']['redirect_url'] = $url;
+				$this->_template_args['success'] = true;
+			}
+
+			$this->_return_json();
+		}
+	}
+
+
+	/**
+	 * This handles resetting the template for the given messenger/message_type so that users can start from scratch if
+	 * they want.
+	 *
+	 * @access protected
+	 * @return array|null
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _reset_to_default_template()
+	{
+
+		$templates = array();
+		$GRP_ID = ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : 0;
+		// we need to make sure we've got the info we need.
+		if (! isset($this->_req_data['msgr'], $this->_req_data['mt'], $this->_req_data['GRP_ID'])) {
+			EE_Error::add_error(
+				esc_html__(
+					'In order to reset the template to its default we require the messenger, message type, and message template GRP_ID to know what is being reset.  At least one of these is missing.',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+
+		// all templates will be reset to whatever the defaults are
+		// for the global template matching the messenger and message type.
+		$success = ! empty($GRP_ID) ? true : false;
+
+		if ($success) {
+			// let's first determine if the incoming template is a global template,
+			// if it isn't then we need to get the global template matching messenger and message type.
+			// $MTPG = EEM_Message_Template_Group::instance()->get_one_by_ID( $GRP_ID );
+
+
+			// note this is ONLY deleting the template fields (Message Template rows) NOT the message template group.
+			$success = $this->_delete_mtp_permanently($GRP_ID, false);
+
+			if ($success) {
+				// if successfully deleted, lets generate the new ones.
+				// Note. We set GLOBAL to true, because resets on ANY template
+				// will use the related global template defaults for regeneration.
+				// This means that if a custom template is reset it resets to whatever the related global template is.
+				// HOWEVER, we DO keep the template pack and template variation set
+				// for the current custom template when resetting.
+				$templates = $this->_generate_new_templates(
+					$this->_req_data['msgr'],
+					$this->_req_data['mt'],
+					$GRP_ID,
+					true
+				);
+			}
+		}
+
+		// any error messages?
+		if (! $success) {
+			EE_Error::add_error(
+				esc_html__(
+					'Something went wrong with deleting existing templates. Unable to reset to default',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+
+		// all good, let's add a success message!
+		if ($success && ! empty($templates)) {
+			// the info for the template we generated is the first element in the returned array
+			// $templates = $templates[0];
+			EE_Error::overwrite_success();
+			EE_Error::add_success(__('Templates have been reset to defaults.', 'event_espresso'));
+		}
+
+
+		$query_args = array(
+			'id'      => isset($templates[0]['GRP_ID']) ? $templates[0]['GRP_ID'] : null,
+			'context' => isset($templates[0]['MTP_context']) ? $templates[0]['MTP_context'] : null,
+			'action'  => isset($templates[0]['GRP_ID']) ? 'edit_message_template' : 'global_mtps',
+		);
+
+		// if called via ajax then we return query args otherwise redirect
+		if (defined('DOING_AJAX') && DOING_AJAX) {
+			return $query_args;
+		} else {
+			$this->_redirect_after_action(false, '', '', $query_args, true);
+
+			return null;
+		}
+	}
+
+
+	/**
+	 * Retrieve and set the message preview for display.
+	 *
+	 * @param bool $send if TRUE then we are doing an actual TEST send with the results of the preview.
+	 * @return string
+	 * @throws ReflectionException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function _preview_message($send = false)
+	{
+		// first make sure we've got the necessary parameters
+		if (! isset(
+			$this->_req_data['message_type'],
+			$this->_req_data['messenger'],
+			$this->_req_data['messenger'],
+			$this->_req_data['GRP_ID']
+		)) {
+			EE_Error::add_error(
+				esc_html__('Missing necessary parameters for displaying preview', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+
+		EE_Registry::instance()->REQ->set('GRP_ID', $this->_req_data['GRP_ID']);
         
-        // if we have an evt_id set on the request, use it.
-        $EVT_ID = isset($this->_req_data['evt_id']) && ! empty($this->_req_data['evt_id'])
-        ? absint($this->_req_data['evt_id'])
-        : false;
-
-
-        // get the preview!
-        $preview = EED_Messages::preview_message(
-            $this->_req_data['message_type'],
-            $this->_req_data['context'],
-            $this->_req_data['messenger'],
-            $send
-        );
-
-        if ($send) {
-            return $preview;
-        }
-
-        // let's add a button to go back to the edit view
-        $query_args = array(
-            'id'      => $this->_req_data['GRP_ID'],
-            'evt_id'  => $EVT_ID,
-            'context' => $this->_req_data['context'],
-            'action'  => 'edit_message_template',
-        );
-        $go_back_url = parent::add_query_args_and_nonce($query_args, $this->_admin_base_url);
-        $preview_button = '<a href="'
-                          . $go_back_url
-                          . '" class="button-secondary messages-preview-go-back-button">'
-                          . esc_html__('Go Back to Edit', 'event_espresso')
-                          . '</a>';
-        $message_types = $this->get_installed_message_types();
-        $active_messenger = $this->_message_resource_manager->get_active_messenger(
-            $this->_req_data['messenger']
-        );
-        $active_messenger_label = $active_messenger instanceof EE_messenger
-            ? ucwords($active_messenger->label['singular'])
-            : esc_html__('Unknown Messenger', 'event_espresso');
-        // let's provide a helpful title for context
-        $preview_title = sprintf(
-            esc_html__('Viewing Preview for %s %s Message Template', 'event_espresso'),
-            $active_messenger_label,
-            ucwords($message_types[ $this->_req_data['message_type'] ]->label['singular'])
-        );
-        if (empty($preview)) {
-            $this->noEventsErrorMessage();
-        }
-        // setup display of preview.
-        $this->_admin_page_title = $preview_title;
-        $this->_template_args['admin_page_title'] = $preview_title;
-        $this->_template_args['admin_page_content'] = $preview_button . '<br />' . $preview;
-        $this->_template_args['data']['force_json'] = true;
-
-        return '';
-    }
-
-
-    /**
-     * Used to set an error if there are no events available for generating a preview/test send.
-     *
-     * @param bool $test_send  Whether the error should be generated for the context of a test send.
-     */
-    protected function noEventsErrorMessage($test_send = false)
-    {
-        $events_url = parent::add_query_args_and_nonce(
-            array(
-                'action' => 'default',
-                'page'   => 'espresso_events',
-            ),
-            admin_url('admin.php')
-        );
-        $message = $test_send
-            ? __(
-                'A test message could not be sent for this message template because there are no events created yet. The preview system uses actual events for generating the test message. %1$sGo see your events%2$s!',
-                'event_espresso'
-            )
-            : __(
-                'There is no preview for this message template available because there are no events created yet. The preview system uses actual events for generating the preview. %1$sGo see your events%2$s!',
-                'event_espresso'
-            );
-
-        EE_Error::add_attention(
-            sprintf(
-                $message,
-                "<a href='{$events_url}'>",
-                '</a>'
-            )
-        );
-    }
-
-
-    /**
-     * The initial _preview_message is on a no headers route.  It will optionally call this if necessary otherwise it
-     * gets called automatically.
-     *
-     * @since 4.5.0
-     *
-     * @return string
-     */
-    protected function _display_preview_message()
-    {
-        $this->display_admin_page_with_no_sidebar();
-    }
-
-
-    /**
-     * registers metaboxes that should show up on the "edit_message_template" page
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _register_edit_meta_boxes()
-    {
-        add_meta_box(
-            'mtp_valid_shortcodes',
-            esc_html__('Valid Shortcodes', 'event_espresso'),
-            array($this, 'shortcode_meta_box'),
-            $this->_current_screen->id,
-            'side',
-            'default'
-        );
-        add_meta_box(
-            'mtp_extra_actions',
-            esc_html__('Extra Actions', 'event_espresso'),
-            array($this, 'extra_actions_meta_box'),
-            $this->_current_screen->id,
-            'side',
-            'high'
-        );
-        add_meta_box(
-            'mtp_templates',
-            esc_html__('Template Styles', 'event_espresso'),
-            array($this, 'template_pack_meta_box'),
-            $this->_current_screen->id,
-            'side',
-            'high'
-        );
-    }
-
-
-    /**
-     * metabox content for all template pack and variation selection.
-     *
-     * @since 4.5.0
-     * @return string
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function template_pack_meta_box()
-    {
-        $this->_set_message_template_group();
-
-        $tp_collection = EEH_MSG_Template::get_template_pack_collection();
-
-        $tp_select_values = array();
-
-        foreach ($tp_collection as $tp) {
-            // only include template packs that support this messenger and message type!
-            $supports = $tp->get_supports();
-            if (! isset($supports[ $this->_message_template_group->messenger() ])
-                || ! in_array(
-                    $this->_message_template_group->message_type(),
-                    $supports[ $this->_message_template_group->messenger() ],
-                    true
-                )
-            ) {
-                // not supported
-                continue;
-            }
-
-            $tp_select_values[] = array(
-                'text' => $tp->label,
-                'id'   => $tp->dbref,
-            );
-        }
-
-        // if empty $tp_select_values then we make sure default is set because EVERY message type should be supported by
-        // the default template pack.  This still allows for the odd template pack to override.
-        if (empty($tp_select_values)) {
-            $tp_select_values[] = array(
-                'text' => esc_html__('Default', 'event_espresso'),
-                'id'   => 'default',
-            );
-        }
-
-        // setup variation select values for the currently selected template.
-        $variations = $this->_message_template_group->get_template_pack()->get_variations(
-            $this->_message_template_group->messenger(),
-            $this->_message_template_group->message_type()
-        );
-        $variations_select_values = array();
-        foreach ($variations as $variation => $label) {
-            $variations_select_values[] = array(
-                'text' => $label,
-                'id'   => $variation,
-            );
-        }
-
-        $template_pack_labels = $this->_message_template_group->messenger_obj()->get_supports_labels();
-
-        $template_args['template_packs_selector'] = EEH_Form_Fields::select_input(
-            'MTP_template_pack',
-            $tp_select_values,
-            $this->_message_template_group->get_template_pack_name()
-        );
-        $template_args['variations_selector'] = EEH_Form_Fields::select_input(
-            'MTP_template_variation',
-            $variations_select_values,
-            $this->_message_template_group->get_template_pack_variation()
-        );
-        $template_args['template_pack_label'] = $template_pack_labels->template_pack;
-        $template_args['template_variation_label'] = $template_pack_labels->template_variation;
-        $template_args['template_pack_description'] = $template_pack_labels->template_pack_description;
-        $template_args['template_variation_description'] = $template_pack_labels->template_variation_description;
-
-        $template = EE_MSG_TEMPLATE_PATH . 'template_pack_and_variations_metabox.template.php';
-
-        EEH_Template::display_template($template, $template_args);
-    }
-
-
-    /**
-     * This meta box holds any extra actions related to Message Templates
-     * For now, this includes Resetting templates to defaults and sending a test email.
-     *
-     * @access  public
-     * @return void
-     * @throws EE_Error
-     */
-    public function extra_actions_meta_box()
-    {
-        $template_form_fields = array();
-
-        $extra_args = array(
-            'msgr'   => $this->_message_template_group->messenger(),
-            'mt'     => $this->_message_template_group->message_type(),
-            'GRP_ID' => $this->_message_template_group->GRP_ID(),
-        );
-        // first we need to see if there are any fields
-        $fields = $this->_message_template_group->messenger_obj()->get_test_settings_fields();
-
-        if (! empty($fields)) {
-            // yup there be fields
-            foreach ($fields as $field => $config) {
-                $field_id = $this->_message_template_group->messenger() . '_' . $field;
-                $existing = $this->_message_template_group->messenger_obj()->get_existing_test_settings();
-                $default = isset($config['default']) ? $config['default'] : '';
-                $default = isset($config['value']) ? $config['value'] : $default;
-
-                // if type is hidden and the value is empty
-                // something may have gone wrong so let's correct with the defaults
-                $fix = $config['input'] === 'hidden'
-                       && isset($existing[ $field ])
-                       && empty($existing[ $field ])
-                    ? $default
-                    : '';
-                $existing[ $field ] = isset($existing[ $field ]) && empty($fix)
-                    ? $existing[ $field ]
-                    : $fix;
-
-                $template_form_fields[ $field_id ] = array(
-                    'name'       => 'test_settings_fld[' . $field . ']',
-                    'label'      => $config['label'],
-                    'input'      => $config['input'],
-                    'type'       => $config['type'],
-                    'required'   => $config['required'],
-                    'validation' => $config['validation'],
-                    'value'      => isset($existing[ $field ]) ? $existing[ $field ] : $default,
-                    'css_class'  => $config['css_class'],
-                    'options'    => isset($config['options']) ? $config['options'] : array(),
-                    'default'    => $default,
-                    'format'     => $config['format'],
-                );
-            }
-        }
-
-        $test_settings_fields = ! empty($template_form_fields)
-            ? $this->_generate_admin_form_fields($template_form_fields, 'string', 'ee_tst_settings_flds')
-            : '';
-
-        $test_settings_html = '';
-        // print out $test_settings_fields
-        if (! empty($test_settings_fields)) {
-            echo $test_settings_fields;
-            $test_settings_html = '<input type="submit" class="button-primary mtp-test-button alignright" ';
-            $test_settings_html .= 'name="test_button" value="';
-            $test_settings_html .= esc_html__('Test Send', 'event_espresso');
-            $test_settings_html .= '" /><div style="clear:both"></div>';
-        }
-
-        // and button
-        $test_settings_html .= '<p>'
-                               . esc_html__('Need to reset this message type and start over?', 'event_espresso')
-                               . '</p>';
-        $test_settings_html .= '<div class="publishing-action alignright resetbutton">';
-        $test_settings_html .= $this->get_action_link_or_button(
-            'reset_to_default',
-            'reset',
-            $extra_args,
-            'button-primary reset-default-button'
-        );
-        $test_settings_html .= '</div><div style="clear:both"></div>';
-        echo $test_settings_html;
-    }
-
-
-    /**
-     * This returns the shortcode selector skeleton for a given context and field.
-     *
-     * @since 4.9.rc.000
-     * @param string $field           The name of the field retrieving shortcodes for.
-     * @param string $linked_input_id The css id of the input that the shortcodes get added to.
-     * @return string
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _get_shortcode_selector($field, $linked_input_id)
-    {
-        $template_args = array(
-            'shortcodes'      => $this->_get_shortcodes(array($field), true),
-            'fieldname'       => $field,
-            'linked_input_id' => $linked_input_id,
-        );
-
-        return EEH_Template::display_template(
-            EE_MSG_TEMPLATE_PATH . 'shortcode_selector_skeleton.template.php',
-            $template_args,
-            true
-        );
-    }
-
-
-    /**
-     * This just takes care of returning the meta box content for shortcodes (only used on the edit message template
-     * page)
-     *
-     * @access public
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function shortcode_meta_box()
-    {
-        $shortcodes = $this->_get_shortcodes(array(), false); // just make sure shortcodes property is set
-        // $messenger = $this->_message_template_group->messenger_obj();
-        // now let's set the content depending on the status of the shortcodes array
-        if (empty($shortcodes)) {
-            $content = '<p>' . esc_html__('There are no valid shortcodes available', 'event_espresso') . '</p>';
-            echo $content;
-        } else {
-            // $alt = 0;
-            ?>
+		// if we have an evt_id set on the request, use it.
+		$EVT_ID = isset($this->_req_data['evt_id']) && ! empty($this->_req_data['evt_id'])
+		? absint($this->_req_data['evt_id'])
+		: false;
+
+
+		// get the preview!
+		$preview = EED_Messages::preview_message(
+			$this->_req_data['message_type'],
+			$this->_req_data['context'],
+			$this->_req_data['messenger'],
+			$send
+		);
+
+		if ($send) {
+			return $preview;
+		}
+
+		// let's add a button to go back to the edit view
+		$query_args = array(
+			'id'      => $this->_req_data['GRP_ID'],
+			'evt_id'  => $EVT_ID,
+			'context' => $this->_req_data['context'],
+			'action'  => 'edit_message_template',
+		);
+		$go_back_url = parent::add_query_args_and_nonce($query_args, $this->_admin_base_url);
+		$preview_button = '<a href="'
+						  . $go_back_url
+						  . '" class="button-secondary messages-preview-go-back-button">'
+						  . esc_html__('Go Back to Edit', 'event_espresso')
+						  . '</a>';
+		$message_types = $this->get_installed_message_types();
+		$active_messenger = $this->_message_resource_manager->get_active_messenger(
+			$this->_req_data['messenger']
+		);
+		$active_messenger_label = $active_messenger instanceof EE_messenger
+			? ucwords($active_messenger->label['singular'])
+			: esc_html__('Unknown Messenger', 'event_espresso');
+		// let's provide a helpful title for context
+		$preview_title = sprintf(
+			esc_html__('Viewing Preview for %s %s Message Template', 'event_espresso'),
+			$active_messenger_label,
+			ucwords($message_types[ $this->_req_data['message_type'] ]->label['singular'])
+		);
+		if (empty($preview)) {
+			$this->noEventsErrorMessage();
+		}
+		// setup display of preview.
+		$this->_admin_page_title = $preview_title;
+		$this->_template_args['admin_page_title'] = $preview_title;
+		$this->_template_args['admin_page_content'] = $preview_button . '<br />' . $preview;
+		$this->_template_args['data']['force_json'] = true;
+
+		return '';
+	}
+
+
+	/**
+	 * Used to set an error if there are no events available for generating a preview/test send.
+	 *
+	 * @param bool $test_send  Whether the error should be generated for the context of a test send.
+	 */
+	protected function noEventsErrorMessage($test_send = false)
+	{
+		$events_url = parent::add_query_args_and_nonce(
+			array(
+				'action' => 'default',
+				'page'   => 'espresso_events',
+			),
+			admin_url('admin.php')
+		);
+		$message = $test_send
+			? __(
+				'A test message could not be sent for this message template because there are no events created yet. The preview system uses actual events for generating the test message. %1$sGo see your events%2$s!',
+				'event_espresso'
+			)
+			: __(
+				'There is no preview for this message template available because there are no events created yet. The preview system uses actual events for generating the preview. %1$sGo see your events%2$s!',
+				'event_espresso'
+			);
+
+		EE_Error::add_attention(
+			sprintf(
+				$message,
+				"<a href='{$events_url}'>",
+				'</a>'
+			)
+		);
+	}
+
+
+	/**
+	 * The initial _preview_message is on a no headers route.  It will optionally call this if necessary otherwise it
+	 * gets called automatically.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return string
+	 */
+	protected function _display_preview_message()
+	{
+		$this->display_admin_page_with_no_sidebar();
+	}
+
+
+	/**
+	 * registers metaboxes that should show up on the "edit_message_template" page
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _register_edit_meta_boxes()
+	{
+		add_meta_box(
+			'mtp_valid_shortcodes',
+			esc_html__('Valid Shortcodes', 'event_espresso'),
+			array($this, 'shortcode_meta_box'),
+			$this->_current_screen->id,
+			'side',
+			'default'
+		);
+		add_meta_box(
+			'mtp_extra_actions',
+			esc_html__('Extra Actions', 'event_espresso'),
+			array($this, 'extra_actions_meta_box'),
+			$this->_current_screen->id,
+			'side',
+			'high'
+		);
+		add_meta_box(
+			'mtp_templates',
+			esc_html__('Template Styles', 'event_espresso'),
+			array($this, 'template_pack_meta_box'),
+			$this->_current_screen->id,
+			'side',
+			'high'
+		);
+	}
+
+
+	/**
+	 * metabox content for all template pack and variation selection.
+	 *
+	 * @since 4.5.0
+	 * @return string
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function template_pack_meta_box()
+	{
+		$this->_set_message_template_group();
+
+		$tp_collection = EEH_MSG_Template::get_template_pack_collection();
+
+		$tp_select_values = array();
+
+		foreach ($tp_collection as $tp) {
+			// only include template packs that support this messenger and message type!
+			$supports = $tp->get_supports();
+			if (! isset($supports[ $this->_message_template_group->messenger() ])
+				|| ! in_array(
+					$this->_message_template_group->message_type(),
+					$supports[ $this->_message_template_group->messenger() ],
+					true
+				)
+			) {
+				// not supported
+				continue;
+			}
+
+			$tp_select_values[] = array(
+				'text' => $tp->label,
+				'id'   => $tp->dbref,
+			);
+		}
+
+		// if empty $tp_select_values then we make sure default is set because EVERY message type should be supported by
+		// the default template pack.  This still allows for the odd template pack to override.
+		if (empty($tp_select_values)) {
+			$tp_select_values[] = array(
+				'text' => esc_html__('Default', 'event_espresso'),
+				'id'   => 'default',
+			);
+		}
+
+		// setup variation select values for the currently selected template.
+		$variations = $this->_message_template_group->get_template_pack()->get_variations(
+			$this->_message_template_group->messenger(),
+			$this->_message_template_group->message_type()
+		);
+		$variations_select_values = array();
+		foreach ($variations as $variation => $label) {
+			$variations_select_values[] = array(
+				'text' => $label,
+				'id'   => $variation,
+			);
+		}
+
+		$template_pack_labels = $this->_message_template_group->messenger_obj()->get_supports_labels();
+
+		$template_args['template_packs_selector'] = EEH_Form_Fields::select_input(
+			'MTP_template_pack',
+			$tp_select_values,
+			$this->_message_template_group->get_template_pack_name()
+		);
+		$template_args['variations_selector'] = EEH_Form_Fields::select_input(
+			'MTP_template_variation',
+			$variations_select_values,
+			$this->_message_template_group->get_template_pack_variation()
+		);
+		$template_args['template_pack_label'] = $template_pack_labels->template_pack;
+		$template_args['template_variation_label'] = $template_pack_labels->template_variation;
+		$template_args['template_pack_description'] = $template_pack_labels->template_pack_description;
+		$template_args['template_variation_description'] = $template_pack_labels->template_variation_description;
+
+		$template = EE_MSG_TEMPLATE_PATH . 'template_pack_and_variations_metabox.template.php';
+
+		EEH_Template::display_template($template, $template_args);
+	}
+
+
+	/**
+	 * This meta box holds any extra actions related to Message Templates
+	 * For now, this includes Resetting templates to defaults and sending a test email.
+	 *
+	 * @access  public
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function extra_actions_meta_box()
+	{
+		$template_form_fields = array();
+
+		$extra_args = array(
+			'msgr'   => $this->_message_template_group->messenger(),
+			'mt'     => $this->_message_template_group->message_type(),
+			'GRP_ID' => $this->_message_template_group->GRP_ID(),
+		);
+		// first we need to see if there are any fields
+		$fields = $this->_message_template_group->messenger_obj()->get_test_settings_fields();
+
+		if (! empty($fields)) {
+			// yup there be fields
+			foreach ($fields as $field => $config) {
+				$field_id = $this->_message_template_group->messenger() . '_' . $field;
+				$existing = $this->_message_template_group->messenger_obj()->get_existing_test_settings();
+				$default = isset($config['default']) ? $config['default'] : '';
+				$default = isset($config['value']) ? $config['value'] : $default;
+
+				// if type is hidden and the value is empty
+				// something may have gone wrong so let's correct with the defaults
+				$fix = $config['input'] === 'hidden'
+					   && isset($existing[ $field ])
+					   && empty($existing[ $field ])
+					? $default
+					: '';
+				$existing[ $field ] = isset($existing[ $field ]) && empty($fix)
+					? $existing[ $field ]
+					: $fix;
+
+				$template_form_fields[ $field_id ] = array(
+					'name'       => 'test_settings_fld[' . $field . ']',
+					'label'      => $config['label'],
+					'input'      => $config['input'],
+					'type'       => $config['type'],
+					'required'   => $config['required'],
+					'validation' => $config['validation'],
+					'value'      => isset($existing[ $field ]) ? $existing[ $field ] : $default,
+					'css_class'  => $config['css_class'],
+					'options'    => isset($config['options']) ? $config['options'] : array(),
+					'default'    => $default,
+					'format'     => $config['format'],
+				);
+			}
+		}
+
+		$test_settings_fields = ! empty($template_form_fields)
+			? $this->_generate_admin_form_fields($template_form_fields, 'string', 'ee_tst_settings_flds')
+			: '';
+
+		$test_settings_html = '';
+		// print out $test_settings_fields
+		if (! empty($test_settings_fields)) {
+			echo $test_settings_fields;
+			$test_settings_html = '<input type="submit" class="button-primary mtp-test-button alignright" ';
+			$test_settings_html .= 'name="test_button" value="';
+			$test_settings_html .= esc_html__('Test Send', 'event_espresso');
+			$test_settings_html .= '" /><div style="clear:both"></div>';
+		}
+
+		// and button
+		$test_settings_html .= '<p>'
+							   . esc_html__('Need to reset this message type and start over?', 'event_espresso')
+							   . '</p>';
+		$test_settings_html .= '<div class="publishing-action alignright resetbutton">';
+		$test_settings_html .= $this->get_action_link_or_button(
+			'reset_to_default',
+			'reset',
+			$extra_args,
+			'button-primary reset-default-button'
+		);
+		$test_settings_html .= '</div><div style="clear:both"></div>';
+		echo $test_settings_html;
+	}
+
+
+	/**
+	 * This returns the shortcode selector skeleton for a given context and field.
+	 *
+	 * @since 4.9.rc.000
+	 * @param string $field           The name of the field retrieving shortcodes for.
+	 * @param string $linked_input_id The css id of the input that the shortcodes get added to.
+	 * @return string
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _get_shortcode_selector($field, $linked_input_id)
+	{
+		$template_args = array(
+			'shortcodes'      => $this->_get_shortcodes(array($field), true),
+			'fieldname'       => $field,
+			'linked_input_id' => $linked_input_id,
+		);
+
+		return EEH_Template::display_template(
+			EE_MSG_TEMPLATE_PATH . 'shortcode_selector_skeleton.template.php',
+			$template_args,
+			true
+		);
+	}
+
+
+	/**
+	 * This just takes care of returning the meta box content for shortcodes (only used on the edit message template
+	 * page)
+	 *
+	 * @access public
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function shortcode_meta_box()
+	{
+		$shortcodes = $this->_get_shortcodes(array(), false); // just make sure shortcodes property is set
+		// $messenger = $this->_message_template_group->messenger_obj();
+		// now let's set the content depending on the status of the shortcodes array
+		if (empty($shortcodes)) {
+			$content = '<p>' . esc_html__('There are no valid shortcodes available', 'event_espresso') . '</p>';
+			echo $content;
+		} else {
+			// $alt = 0;
+			?>
             <div style="float:right; margin-top:10px"><?php
-                            echo $this->_get_help_tab_link('message_template_shortcodes');
-                            ?></div>
+							echo $this->_get_help_tab_link('message_template_shortcodes');
+							?></div>
             <p class="small-text"><?php
-                                  printf(
-                                      esc_html__(
-                                          'You can view the shortcodes usable in your template by clicking the %s icon next to each field.',
-                                          'event_espresso'
-                                      ),
-                                      '<span class="dashicons dashicons-menu"></span>'
-                                  );
-                                ?>
+								  printf(
+									  esc_html__(
+										  'You can view the shortcodes usable in your template by clicking the %s icon next to each field.',
+										  'event_espresso'
+									  ),
+									  '<span class="dashicons dashicons-menu"></span>'
+								  );
+								?>
             </p>
             <?php
-        }
-    }
-
-
-    /**
-     * used to set the $_shortcodes property for when its needed elsewhere.
-     *
-     * @access protected
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _set_shortcodes()
-    {
-
-        // no need to run this if the property is already set
-        if (! empty($this->_shortcodes)) {
-            return;
-        }
-
-        $this->_shortcodes = $this->_get_shortcodes();
-    }
-
-
-    /**
-     * get's all shortcodes for a given template group. (typically used by _set_shortcodes to set the $_shortcodes
-     * property)
-     *
-     * @access  protected
-     * @param  array   $fields include an array of specific field names that you want to be used to get the shortcodes
-     *                         for. Defaults to all (for the given context)
-     * @param  boolean $merged Whether to merge all the shortcodes into one list of unique shortcodes
-     * @return array Shortcodes indexed by fieldname and the an array of shortcode/label pairs OR if merged is
-     *                         true just an array of shortcode/label pairs.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _get_shortcodes($fields = array(), $merged = true)
-    {
-        $this->_set_message_template_group();
-
-        // we need the messenger and message template to retrieve the valid shortcodes array.
-        $GRP_ID = isset($this->_req_data['id']) && ! empty($this->_req_data['id'])
-            ? absint($this->_req_data['id'])
-            : false;
-        $context = isset($this->_req_data['context'])
-            ? $this->_req_data['context']
-            : key($this->_message_template_group->contexts_config());
-
-        return ! empty($GRP_ID) ? $this->_message_template_group->get_shortcodes($context, $fields, $merged) : array();
-    }
-
-
-    /**
-     * This sets the _message_template property (containing the called message_template object)
-     *
-     * @access protected
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _set_message_template_group()
-    {
-
-        if (! empty($this->_message_template_group)) {
-            return;
-        } //get out if this is already set.
-
-        $GRP_ID = ! empty($this->_req_data['GRP_ID']) ? absint($this->_req_data['GRP_ID']) : false;
-        $GRP_ID = empty($GRP_ID) && ! empty($this->_req_data['id']) ? $this->_req_data['id'] : $GRP_ID;
-
-        // let's get the message templates
-        $MTP = EEM_Message_Template_Group::instance();
-
-        if (empty($GRP_ID)) {
-            $this->_message_template_group = $MTP->create_default_object();
-        } else {
-            $this->_message_template_group = $MTP->get_one_by_ID($GRP_ID);
-        }
-
-        $this->_template_pack = $this->_message_template_group->get_template_pack();
-        $this->_variation = $this->_message_template_group->get_template_pack_variation();
-    }
-
-
-    /**
-     * sets up a context switcher for edit forms
-     *
-     * @access  protected
-     * @param  EE_Message_Template_Group $template_group_object the template group object being displayed on the form
-     * @param array                      $args                  various things the context switcher needs.
-     * @throws EE_Error
-     */
-    protected function _set_context_switcher(EE_Message_Template_Group $template_group_object, $args)
-    {
-        $context_details = $template_group_object->contexts_config();
-        $context_label = $template_group_object->context_label();
-        ob_start();
-        ?>
+		}
+	}
+
+
+	/**
+	 * used to set the $_shortcodes property for when its needed elsewhere.
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _set_shortcodes()
+	{
+
+		// no need to run this if the property is already set
+		if (! empty($this->_shortcodes)) {
+			return;
+		}
+
+		$this->_shortcodes = $this->_get_shortcodes();
+	}
+
+
+	/**
+	 * get's all shortcodes for a given template group. (typically used by _set_shortcodes to set the $_shortcodes
+	 * property)
+	 *
+	 * @access  protected
+	 * @param  array   $fields include an array of specific field names that you want to be used to get the shortcodes
+	 *                         for. Defaults to all (for the given context)
+	 * @param  boolean $merged Whether to merge all the shortcodes into one list of unique shortcodes
+	 * @return array Shortcodes indexed by fieldname and the an array of shortcode/label pairs OR if merged is
+	 *                         true just an array of shortcode/label pairs.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _get_shortcodes($fields = array(), $merged = true)
+	{
+		$this->_set_message_template_group();
+
+		// we need the messenger and message template to retrieve the valid shortcodes array.
+		$GRP_ID = isset($this->_req_data['id']) && ! empty($this->_req_data['id'])
+			? absint($this->_req_data['id'])
+			: false;
+		$context = isset($this->_req_data['context'])
+			? $this->_req_data['context']
+			: key($this->_message_template_group->contexts_config());
+
+		return ! empty($GRP_ID) ? $this->_message_template_group->get_shortcodes($context, $fields, $merged) : array();
+	}
+
+
+	/**
+	 * This sets the _message_template property (containing the called message_template object)
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _set_message_template_group()
+	{
+
+		if (! empty($this->_message_template_group)) {
+			return;
+		} //get out if this is already set.
+
+		$GRP_ID = ! empty($this->_req_data['GRP_ID']) ? absint($this->_req_data['GRP_ID']) : false;
+		$GRP_ID = empty($GRP_ID) && ! empty($this->_req_data['id']) ? $this->_req_data['id'] : $GRP_ID;
+
+		// let's get the message templates
+		$MTP = EEM_Message_Template_Group::instance();
+
+		if (empty($GRP_ID)) {
+			$this->_message_template_group = $MTP->create_default_object();
+		} else {
+			$this->_message_template_group = $MTP->get_one_by_ID($GRP_ID);
+		}
+
+		$this->_template_pack = $this->_message_template_group->get_template_pack();
+		$this->_variation = $this->_message_template_group->get_template_pack_variation();
+	}
+
+
+	/**
+	 * sets up a context switcher for edit forms
+	 *
+	 * @access  protected
+	 * @param  EE_Message_Template_Group $template_group_object the template group object being displayed on the form
+	 * @param array                      $args                  various things the context switcher needs.
+	 * @throws EE_Error
+	 */
+	protected function _set_context_switcher(EE_Message_Template_Group $template_group_object, $args)
+	{
+		$context_details = $template_group_object->contexts_config();
+		$context_label = $template_group_object->context_label();
+		ob_start();
+		?>
         <div class="ee-msg-switcher-container">
             <form method="get" action="<?php echo EE_MSG_ADMIN_URL; ?>" id="ee-msg-context-switcher-frm">
                 <?php
-                foreach ($args as $name => $value) {
-                    if ($name === 'context' || empty($value) || $name === 'extra') {
-                        continue;
-                    }
-                    ?>
+				foreach ($args as $name => $value) {
+					if ($name === 'context' || empty($value) || $name === 'extra') {
+						continue;
+					}
+					?>
                     <input type="hidden" name="<?php echo $name; ?>" value="<?php echo $value; ?>"/>
                     <?php
-                }
-                // setup nonce_url
-                wp_nonce_field($args['action'] . '_nonce', $args['action'] . '_nonce', false);
-                ?>
+				}
+				// setup nonce_url
+				wp_nonce_field($args['action'] . '_nonce', $args['action'] . '_nonce', false);
+				?>
                 <select name="context">
                     <?php
-                    $context_templates = $template_group_object->context_templates();
-                    if (is_array($context_templates)) :
-                        foreach ($context_templates as $context => $template_fields) :
-                            $checked = ($context === $args['context']) ? 'selected="selected"' : '';
-                            ?>
+					$context_templates = $template_group_object->context_templates();
+					if (is_array($context_templates)) :
+						foreach ($context_templates as $context => $template_fields) :
+							$checked = ($context === $args['context']) ? 'selected="selected"' : '';
+							?>
                             <option value="<?php echo $context; ?>" <?php echo $checked; ?>>
                                 <?php echo $context_details[ $context ]['label']; ?>
                             </option>
                         <?php endforeach;
-                    endif; ?>
+					endif; ?>
                 </select>
                 <?php $button_text = sprintf(__('Switch %s', 'event_espresso'), ucwords($context_label['label'])); ?>
                 <input id="submit-msg-context-switcher-sbmt" class="button-secondary" type="submit"
@@ -2659,1925 +2659,1925 @@ 
             <?php echo $args['extra']; ?>
         </div> <!-- end .ee-msg-switcher-container -->
         <?php
-        $output = ob_get_contents();
-        ob_clean();
-        $this->_context_switcher = $output;
-    }
-
-
-    /**
-     * utility for sanitizing new values coming in.
-     * Note: this is only used when updating a context.
-     *
-     * @access protected
-     *
-     * @param int $index This helps us know which template field to select from the request array.
-     *
-     * @return array
-     */
-    protected function _set_message_template_column_values($index)
-    {
-        if (is_array($this->_req_data['MTP_template_fields'][ $index ]['content'])) {
-            foreach ($this->_req_data['MTP_template_fields'][ $index ]['content'] as $field => $value) {
-                $this->_req_data['MTP_template_fields'][ $index ]['content'][ $field ] = $value;
-            }
-        }
-
-
-        $set_column_values = array(
-            'MTP_ID'             => absint($this->_req_data['MTP_template_fields'][ $index ]['MTP_ID']),
-            'GRP_ID'             => absint($this->_req_data['GRP_ID']),
-            'MTP_user_id'        => absint($this->_req_data['MTP_user_id']),
-            'MTP_messenger'      => strtolower($this->_req_data['MTP_messenger']),
-            'MTP_message_type'   => strtolower($this->_req_data['MTP_message_type']),
-            'MTP_template_field' => strtolower($this->_req_data['MTP_template_fields'][ $index ]['name']),
-            'MTP_context'        => strtolower($this->_req_data['MTP_context']),
-            'MTP_content'        => $this->_req_data['MTP_template_fields'][ $index ]['content'],
-            'MTP_is_global'      => isset($this->_req_data['MTP_is_global'])
-                ? absint($this->_req_data['MTP_is_global'])
-                : 0,
-            'MTP_is_override'    => isset($this->_req_data['MTP_is_override'])
-                ? absint($this->_req_data['MTP_is_override'])
-                : 0,
-            'MTP_deleted'        => absint($this->_req_data['MTP_deleted']),
-            'MTP_is_active'      => absint($this->_req_data['MTP_is_active']),
-        );
-
-
-        return $set_column_values;
-    }
-
-
-    protected function _insert_or_update_message_template($new = false)
-    {
-
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $success = 0;
-        $override = false;
-
-        // setup notices description
-        $messenger_slug = ! empty($this->_req_data['MTP_messenger']) ? $this->_req_data['MTP_messenger'] : '';
-
-        // need the message type and messenger objects to be able to use the labels for the notices
-        $messenger_object = $this->_message_resource_manager->get_messenger($messenger_slug);
-        $messenger_label = $messenger_object instanceof EE_messenger
-            ? ucwords($messenger_object->label['singular'])
-            : '';
-
-        $message_type_slug = ! empty($this->_req_data['MTP_message_type'])
-            ? $this->_req_data['MTP_message_type']
-            : '';
-        $message_type_object = $this->_message_resource_manager->get_message_type($message_type_slug);
-
-        $message_type_label = $message_type_object instanceof EE_message_type
-            ? ucwords($message_type_object->label['singular'])
-            : '';
-
-        $context_slug = ! empty($this->_req_data['MTP_context'])
-            ? $this->_req_data['MTP_context']
-            : '';
-        $context = ucwords(str_replace('_', ' ', $context_slug));
-
-        $item_desc = $messenger_label && $message_type_label
-            ? $messenger_label . ' ' . $message_type_label . ' ' . $context . ' '
-            : '';
-        $item_desc .= 'Message Template';
-        $query_args = array();
-        $edit_array = array();
-        $action_desc = '';
-
-        // if this is "new" then we need to generate the default contexts for the selected messenger/message_type for
-        // user to edit.
-        if ($new) {
-            $GRP_ID = ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : 0;
-            if ($edit_array = $this->_generate_new_templates($messenger_slug, $message_type_slug, $GRP_ID)) {
-                if (empty($edit_array)) {
-                    $success = 0;
-                } else {
-                    $success = 1;
-                    $edit_array = $edit_array[0];
-                    $query_args = array(
-                        'id'      => $edit_array['GRP_ID'],
-                        'context' => $edit_array['MTP_context'],
-                        'action'  => 'edit_message_template',
-                    );
-                }
-            }
-            $action_desc = 'created';
-        } else {
-            $MTPG = EEM_Message_Template_Group::instance();
-            $MTP = EEM_Message_Template::instance();
-
-
-            // run update for each template field in displayed context
-            if (! isset($this->_req_data['MTP_template_fields']) && empty($this->_req_data['MTP_template_fields'])) {
-                EE_Error::add_error(
-                    esc_html__(
-                        'There was a problem saving the template fields from the form because I didn\'t receive any actual template field data.',
-                        'event_espresso'
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                $success = 0;
-            } else {
-                // first validate all fields!
-                // this filter allows client code to add its own validation to the template fields as well.
-                // returning an empty array means everything passed validation.
-                // errors in validation should be represented in an array with the following shape:
-                // array(
-                //   'fieldname' => array(
-                //          'msg' => 'error message'
-                //          'value' => 'value for field producing error'
-                // )
-                $custom_validation = (array) apply_filters(
-                    'FHEE__Messages_Admin_Page___insert_or_update_message_template__validates',
-                    array(),
-                    $this->_req_data['MTP_template_fields'],
-                    $context_slug,
-                    $messenger_slug,
-                    $message_type_slug
-                );
-
-                $system_validation = $MTPG->validate(
-                    $this->_req_data['MTP_template_fields'],
-                    $context_slug,
-                    $messenger_slug,
-                    $message_type_slug
-                );
-
-                $system_validation = ! is_array($system_validation) && $system_validation ? array()
-                    : $system_validation;
-                $validates = array_merge($custom_validation, $system_validation);
-
-                // if $validate returned error messages (i.e. is_array()) then we need to process them and setup an
-                // appropriate response. HMM, dang this isn't correct, $validates will ALWAYS be an array.
-                //  WE need to make sure there is no actual error messages in validates.
-                if (is_array($validates) && ! empty($validates)) {
-                    // add the transient so when the form loads we know which fields to highlight
-                    $this->_add_transient('edit_message_template', $validates);
-
-                    $success = 0;
-
-                    // setup notices
-                    foreach ($validates as $field => $error) {
-                        if (isset($error['msg'])) {
-                            EE_Error::add_error($error['msg'], __FILE__, __FUNCTION__, __LINE__);
-                        }
-                    }
-                } else {
-                    $set_column_values = array();
-                    foreach ($this->_req_data['MTP_template_fields'] as $template_field => $content) {
-                        $set_column_values = $this->_set_message_template_column_values($template_field);
-
-                        $where_cols_n_values = array(
-                            'MTP_ID' => $this->_req_data['MTP_template_fields'][ $template_field ]['MTP_ID'],
-                        );
-                        // if they aren't allowed to use all JS, restrict them to just posty-y tags
-                        if (! current_user_can('unfiltered_html')) {
-                            if (is_array($set_column_values['MTP_content'])) {
-                                foreach ($set_column_values['MTP_content'] as $key => $value) {
-                                    // remove slashes so wp_kses works properly (its wp_kses_stripslashes() function
-                                    // only removes slashes from double-quotes, so attributes using single quotes always
-                                    // appear invalid.) But currently the models expect slashed data, so after wp_kses
-                                    // runs we need to re-slash the data. Sheesh. See
-                                    // https://events.codebasehq.com/projects/event-espresso/tickets/11211#update-47321587
-                                    $set_column_values['MTP_content'][ $key ] = addslashes(
-                                        wp_kses(
-                                            stripslashes($value),
-                                            wp_kses_allowed_html('post')
-                                        )
-                                    );
-                                }
-                            } else {
-                                $set_column_values['MTP_content'] = wp_kses(
-                                    $set_column_values['MTP_content'],
-                                    wp_kses_allowed_html('post')
-                                );
-                            }
-                        }
-                        $message_template_fields = array(
-                            'GRP_ID'             => $set_column_values['GRP_ID'],
-                            'MTP_template_field' => $set_column_values['MTP_template_field'],
-                            'MTP_context'        => $set_column_values['MTP_context'],
-                            'MTP_content'        => $set_column_values['MTP_content'],
-                        );
-                        if ($updated = $MTP->update($message_template_fields, array($where_cols_n_values))) {
-                            if ($updated === false) {
-                                EE_Error::add_error(
-                                    sprintf(
-                                        esc_html__('%s field was NOT updated for some reason', 'event_espresso'),
-                                        $template_field
-                                    ),
-                                    __FILE__,
-                                    __FUNCTION__,
-                                    __LINE__
-                                );
-                            } else {
-                                $success = 1;
-                            }
-                        } else {
-                            // only do this logic if we don't have a MTP_ID for this field
-                            if (empty($this->_req_data['MTP_template_fields'][ $template_field ]['MTP_ID'])) {
-                                // this has already been through the template field validator and sanitized, so it will be
-                                // safe to insert this field.  Why insert?  This typically happens when we introduce a new
-                                // message template field in a messenger/message type and existing users don't have the
-                                // default setup for it.
-                                // @link https://events.codebasehq.com/projects/event-espresso/tickets/9465
-                                $updated = $MTP->insert($message_template_fields);
-                                if (! $updated || is_wp_error($updated)) {
-                                    EE_Error::add_error(
-                                        sprintf(
-                                            esc_html__('%s field could not be updated.', 'event_espresso'),
-                                            $template_field
-                                        ),
-                                        __FILE__,
-                                        __FUNCTION__,
-                                        __LINE__
-                                    );
-                                    $success = 0;
-                                } else {
-                                    $success = 1;
-                                }
-                            }
-                        }
-                        $action_desc = 'updated';
-                    }
-
-                    // we can use the last set_column_values for the MTPG update (because its the same for all of these specific MTPs)
-                    $mtpg_fields = array(
-                        'MTP_user_id'      => $set_column_values['MTP_user_id'],
-                        'MTP_messenger'    => $set_column_values['MTP_messenger'],
-                        'MTP_message_type' => $set_column_values['MTP_message_type'],
-                        'MTP_is_global'    => $set_column_values['MTP_is_global'],
-                        'MTP_is_override'  => $set_column_values['MTP_is_override'],
-                        'MTP_deleted'      => $set_column_values['MTP_deleted'],
-                        'MTP_is_active'    => $set_column_values['MTP_is_active'],
-                        'MTP_name'         => ! empty($this->_req_data['ee_msg_non_global_fields']['MTP_name'])
-                            ? $this->_req_data['ee_msg_non_global_fields']['MTP_name']
-                            : '',
-                        'MTP_description'  => ! empty($this->_req_data['ee_msg_non_global_fields']['MTP_description'])
-                            ? $this->_req_data['ee_msg_non_global_fields']['MTP_description']
-                            : '',
-                    );
-
-                    $mtpg_where = array('GRP_ID' => $set_column_values['GRP_ID']);
-                    $updated = $MTPG->update($mtpg_fields, array($mtpg_where));
-
-                    if ($updated === false) {
-                        EE_Error::add_error(
-                            sprintf(
-                                esc_html__(
-                                    'The Message Template Group (%d) was NOT updated for some reason',
-                                    'event_espresso'
-                                ),
-                                $set_column_values['GRP_ID']
-                            ),
-                            __FILE__,
-                            __FUNCTION__,
-                            __LINE__
-                        );
-                    } else {
-                        // k now we need to ensure the template_pack and template_variation fields are set.
-                        $template_pack = ! empty($this->_req_data['MTP_template_pack'])
-                            ? $this->_req_data['MTP_template_pack']
-                            : 'default';
-
-                        $template_variation = ! empty($this->_req_data['MTP_template_variation'])
-                            ? $this->_req_data['MTP_template_variation']
-                            : 'default';
-
-                        $mtpg_obj = $MTPG->get_one_by_ID($set_column_values['GRP_ID']);
-                        if ($mtpg_obj instanceof EE_Message_Template_Group) {
-                            $mtpg_obj->set_template_pack_name($template_pack);
-                            $mtpg_obj->set_template_pack_variation($template_variation);
-                        }
-                        $success = 1;
-                    }
-                }
-            }
-        }
-
-        // we return things differently if doing ajax
-        if (defined('DOING_AJAX') && DOING_AJAX) {
-            $this->_template_args['success'] = $success;
-            $this->_template_args['error'] = ! $success ? true : false;
-            $this->_template_args['content'] = '';
-            $this->_template_args['data'] = array(
-                'grpID'        => $edit_array['GRP_ID'],
-                'templateName' => $edit_array['template_name'],
-            );
-            if ($success) {
-                EE_Error::overwrite_success();
-                EE_Error::add_success(
-                    esc_html__(
-                        'The new template has been created and automatically selected for this event.  You can edit the new template by clicking the edit button.  Note before this template is assigned to this event, the event must be saved.',
-                        'event_espresso'
-                    )
-                );
-            }
-
-            $this->_return_json();
-        }
-
-
-        // was a test send triggered?
-        if (isset($this->_req_data['test_button'])) {
-            EE_Error::overwrite_success();
-            $this->_do_test_send($context_slug, $messenger_slug, $message_type_slug);
-            $override = true;
-        }
-
-        if (empty($query_args)) {
-            $query_args = array(
-                'id'      => $this->_req_data['GRP_ID'],
-                'context' => $context_slug,
-                'action'  => 'edit_message_template',
-            );
-        }
-
-        $this->_redirect_after_action($success, $item_desc, $action_desc, $query_args, $override);
-    }
-
-
-    /**
-     * processes a test send request to do an actual messenger delivery test for the given message template being tested
-     *
-     * @param  string $context      what context being tested
-     * @param  string $messenger    messenger being tested
-     * @param  string $message_type message type being tested
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _do_test_send($context, $messenger, $message_type)
-    {
-        // set things up for preview
-        $this->_req_data['messenger'] = $messenger;
-        $this->_req_data['message_type'] = $message_type;
-        $this->_req_data['context'] = $context;
-        $this->_req_data['GRP_ID'] = isset($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : '';
-        $active_messenger = $this->_message_resource_manager->get_active_messenger($messenger);
-
-        // let's save any existing fields that might be required by the messenger
-        if (isset($this->_req_data['test_settings_fld'])
-            && $active_messenger instanceof EE_messenger
-            && apply_filters(
-                'FHEE__Messages_Admin_Page__do_test_send__set_existing_test_settings',
-                true,
-                $this->_req_data['test_settings_fld'],
-                $active_messenger
-            )
-        ) {
-            $active_messenger->set_existing_test_settings($this->_req_data['test_settings_fld']);
-        }
-
-        /**
-         * Use filter to add additional controls on whether message can send or not
-         */
-        if (apply_filters(
-            'FHEE__Messages_Admin_Page__do_test_send__can_send',
-            true,
-            $context,
-            $this->_req_data,
-            $messenger,
-            $message_type
-        )) {
-            if (EEM_Event::instance()->count() > 0) {
-                $success = $this->_preview_message(true);
-                if ($success) {
-                    EE_Error::add_success(__('Test message sent', 'event_espresso'));
-                } else {
-                    EE_Error::add_error(
-                        esc_html__('The test message was not sent', 'event_espresso'),
-                        __FILE__,
-                        __FUNCTION__,
-                        __LINE__
-                    );
-                }
-            } else {
-                $this->noEventsErrorMessage(true);
-            }
-        }
-    }
-
-
-    /**
-     * _generate_new_templates
-     * This will handle the messenger, message_type selection when "adding a new custom template" for an event and will
-     * automatically create the defaults for the event.  The user would then be redirected to edit the default context
-     * for the event.
-     *
-     *
-     * @param  string $messenger     the messenger we are generating templates for
-     * @param array   $message_types array of message types that the templates are generated for.
-     * @param int     $GRP_ID        If this is a custom template being generated then a GRP_ID needs to be included to
-     *                               indicate the message_template_group being used as the base.
-     *
-     * @param bool    $global
-     *
-     * @return array|bool array of data required for the redirect to the correct edit page or bool if
-     *                               encountering problems.
-     * @throws EE_Error
-     */
-    protected function _generate_new_templates($messenger, $message_types, $GRP_ID = 0, $global = false)
-    {
-
-        // if no $message_types are given then that's okay... this may be a messenger that just adds shortcodes, so we
-        // just don't generate any templates.
-        if (empty($message_types)) {
-            return true;
-        }
-
-        return EEH_MSG_Template::generate_new_templates($messenger, $message_types, $GRP_ID, $global);
-    }
-
-
-    /**
-     * [_trash_or_restore_message_template]
-     *
-     * @param  boolean $trash whether to move an item to trash/restore (TRUE) or restore it (FALSE)
-     * @param boolean  $all   whether this is going to trash/restore all contexts within a template group (TRUE) OR just
-     *                        an individual context (FALSE).
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _trash_or_restore_message_template($trash = true, $all = false)
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        $MTP = EEM_Message_Template_Group::instance();
-
-        $success = 1;
-
-        // incoming GRP_IDs
-        if ($all) {
-            // Checkboxes
-            if (! empty($this->_req_data['checkbox']) && is_array($this->_req_data['checkbox'])) {
-                // if array has more than one element then success message should be plural.
-                // todo: what about nonce?
-                $success = count($this->_req_data['checkbox']) > 1 ? 2 : 1;
-
-                // cycle through checkboxes
-                while (list($GRP_ID, $value) = each($this->_req_data['checkbox'])) {
-                    $trashed_or_restored = $trash ? $MTP->delete_by_ID($GRP_ID) : $MTP->restore_by_ID($GRP_ID);
-                    if (! $trashed_or_restored) {
-                        $success = 0;
-                    }
-                }
-            } else {
-                // grab single GRP_ID and handle
-                $GRP_ID = isset($this->_req_data['id']) ? absint($this->_req_data['id']) : 0;
-                if (! empty($GRP_ID)) {
-                    $trashed_or_restored = $trash ? $MTP->delete_by_ID($GRP_ID) : $MTP->restore_by_ID($GRP_ID);
-                    if (! $trashed_or_restored) {
-                        $success = 0;
-                    }
-                } else {
-                    $success = 0;
-                }
-            }
-        }
-
-        $action_desc = $trash
-            ? esc_html__('moved to the trash', 'event_espresso')
-            : esc_html__('restored', 'event_espresso');
-
-        $action_desc = ! empty($this->_req_data['template_switch']) ? esc_html__('switched', 'event_espresso') : $action_desc;
-
-        $item_desc = $all ? _n(
-            'Message Template Group',
-            'Message Template Groups',
-            $success,
-            'event_espresso'
-        ) : _n('Message Template Context', 'Message Template Contexts', $success, 'event_espresso');
-
-        $item_desc = ! empty($this->_req_data['template_switch']) ? _n(
-            'template',
-            'templates',
-            $success,
-            'event_espresso'
-        ) : $item_desc;
-
-        $this->_redirect_after_action($success, $item_desc, $action_desc, array());
-    }
-
-
-    /**
-     * [_delete_message_template]
-     * NOTE: this handles not only the deletion of the groups but also all the templates belonging to that group.
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _delete_message_template()
-    {
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-
-        // checkboxes
-        if (! empty($this->_req_data['checkbox']) && is_array($this->_req_data['checkbox'])) {
-            // if array has more than one element then success message should be plural
-            $success = count($this->_req_data['checkbox']) > 1 ? 2 : 1;
-
-            // cycle through bulk action checkboxes
-            while (list($GRP_ID, $value) = each($this->_req_data['checkbox'])) {
-                $success = $this->_delete_mtp_permanently($GRP_ID);
-            }
-        } else {
-            // grab single grp_id and delete
-            $GRP_ID = absint($this->_req_data['id']);
-            $success = $this->_delete_mtp_permanently($GRP_ID);
-        }
-
-        $this->_redirect_after_action($success, 'Message Templates', 'deleted', array());
-    }
-
-
-    /**
-     * helper for permanently deleting a mtP group and all related message_templates
-     *
-     * @param  int  $GRP_ID        The group being deleted
-     * @param  bool $include_group whether to delete the Message Template Group as well.
-     * @return bool boolean to indicate the success of the deletes or not.
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    private function _delete_mtp_permanently($GRP_ID, $include_group = true)
-    {
-        $success = 1;
-        $MTPG = EEM_Message_Template_Group::instance();
-        // first let's GET this group
-        $MTG = $MTPG->get_one_by_ID($GRP_ID);
-        // then delete permanently all the related Message Templates
-        $deleted = $MTG->delete_related_permanently('Message_Template');
-
-        if ($deleted === 0) {
-            $success = 0;
-        }
-
-        // now delete permanently this particular group
-
-        if ($include_group && ! $MTG->delete_permanently()) {
-            $success = 0;
-        }
-
-        return $success;
-    }
-
-
-    /**
-     *    _learn_more_about_message_templates_link
-     *
-     * @access protected
-     * @return string
-     */
-    protected function _learn_more_about_message_templates_link()
-    {
-        return '<a class="hidden" style="margin:0 20px; cursor:pointer; font-size:12px;" >'
-               . esc_html__('learn more about how message templates works', 'event_espresso')
-               . '</a>';
-    }
-
-
-    /**
-     * Used for setting up messenger/message type activation.  This loads up the initial view.  The rest is handled by
-     * ajax and other routes.
-     *
-     * @return void
-     * @throws DomainException
-     */
-    protected function _settings()
-    {
-
-
-        $this->_set_m_mt_settings();
-
-        $selected_messenger = isset($this->_req_data['selected_messenger'])
-            ? $this->_req_data['selected_messenger']
-            : 'email';
-
-        // let's setup the messenger tabs
-        $this->_template_args['admin_page_header'] = EEH_Tabbed_Content::tab_text_links(
-            $this->_m_mt_settings['messenger_tabs'],
-            'messenger_links',
-            '|',
-            $selected_messenger
-        );
-        $this->_template_args['before_admin_page_content'] = '<div class="ui-widget ui-helper-clearfix">';
-        $this->_template_args['after_admin_page_content'] = '</div><!-- end .ui-widget -->';
-
-        $this->display_admin_page_with_sidebar();
-    }
-
-
-    /**
-     * This sets the $_m_mt_settings property for when needed (used on the Messages settings page)
-     *
-     * @access protected
-     * @return void
-     * @throws DomainException
-     */
-    protected function _set_m_mt_settings()
-    {
-        // first if this is already set then lets get out no need to regenerate data.
-        if (! empty($this->_m_mt_settings)) {
-            return;
-        }
-
-        // get all installed messengers and message_types
-        /** @type EE_messenger[] $messengers */
-        $messengers = $this->_message_resource_manager->installed_messengers();
-        /** @type EE_message_type[] $message_types */
-        $message_types = $this->_message_resource_manager->installed_message_types();
-
-
-        // assemble the array for the _tab_text_links helper
-
-        foreach ($messengers as $messenger) {
-            $this->_m_mt_settings['messenger_tabs'][ $messenger->name ] = array(
-                'label' => ucwords($messenger->label['singular']),
-                'class' => $this->_message_resource_manager->is_messenger_active($messenger->name)
-                    ? 'messenger-active'
-                    : '',
-                'href'  => $messenger->name,
-                'title' => esc_html__('Modify this Messenger', 'event_espresso'),
-                'slug'  => $messenger->name,
-                'obj'   => $messenger,
-            );
-
-
-            $message_types_for_messenger = $messenger->get_valid_message_types();
-
-            foreach ($message_types as $message_type) {
-                // first we need to verify that this message type is valid with this messenger. Cause if it isn't then
-                // it shouldn't show in either the inactive OR active metabox.
-                if (! in_array($message_type->name, $message_types_for_messenger, true)) {
-                    continue;
-                }
-
-                $a_or_i = $this->_message_resource_manager->is_message_type_active_for_messenger(
-                    $messenger->name,
-                    $message_type->name
-                )
-                    ? 'active'
-                    : 'inactive';
-
-                $this->_m_mt_settings['message_type_tabs'][ $messenger->name ][ $a_or_i ][ $message_type->name ] = array(
-                    'label'    => ucwords($message_type->label['singular']),
-                    'class'    => 'message-type-' . $a_or_i,
-                    'slug_id'  => $message_type->name . '-messagetype-' . $messenger->name,
-                    'mt_nonce' => wp_create_nonce($message_type->name . '_nonce'),
-                    'href'     => 'espresso_' . $message_type->name . '_message_type_settings',
-                    'title'    => $a_or_i === 'active'
-                        ? esc_html__('Drag this message type to the Inactive window to deactivate', 'event_espresso')
-                        : esc_html__('Drag this message type to the messenger to activate', 'event_espresso'),
-                    'content'  => $a_or_i === 'active'
-                        ? $this->_message_type_settings_content($message_type, $messenger, true)
-                        : $this->_message_type_settings_content($message_type, $messenger),
-                    'slug'     => $message_type->name,
-                    'active'   => $a_or_i === 'active',
-                    'obj'      => $message_type,
-                );
-            }
-        }
-    }
-
-
-    /**
-     * This just prepares the content for the message type settings
-     *
-     * @param  EE_message_type $message_type The message type object
-     * @param  EE_messenger    $messenger    The messenger object
-     * @param  boolean         $active       Whether the message type is active or not
-     * @return string html output for the content
-     * @throws DomainException
-     */
-    protected function _message_type_settings_content($message_type, $messenger, $active = false)
-    {
-        // get message type fields
-        $fields = $message_type->get_admin_settings_fields();
-        $settings_template_args['template_form_fields'] = '';
-
-        if (! empty($fields) && $active) {
-            $existing_settings = $message_type->get_existing_admin_settings($messenger->name);
-            foreach ($fields as $fldname => $fldprops) {
-                $field_id = $messenger->name . '-' . $message_type->name . '-' . $fldname;
-                $template_form_field[ $field_id ] = array(
-                    'name'       => 'message_type_settings[' . $fldname . ']',
-                    'label'      => $fldprops['label'],
-                    'input'      => $fldprops['field_type'],
-                    'type'       => $fldprops['value_type'],
-                    'required'   => $fldprops['required'],
-                    'validation' => $fldprops['validation'],
-                    'value'      => isset($existing_settings[ $fldname ])
-                        ? $existing_settings[ $fldname ]
-                        : $fldprops['default'],
-                    'options'    => isset($fldprops['options'])
-                        ? $fldprops['options']
-                        : array(),
-                    'default'    => isset($existing_settings[ $fldname ])
-                        ? $existing_settings[ $fldname ]
-                        : $fldprops['default'],
-                    'css_class'  => 'no-drag',
-                    'format'     => $fldprops['format'],
-                );
-            }
-
-
-            $settings_template_args['template_form_fields'] = ! empty($template_form_field)
-                ? $this->_generate_admin_form_fields(
-                    $template_form_field,
-                    'string',
-                    'ee_mt_activate_form'
-                )
-                : '';
-        }
-
-        $settings_template_args['description'] = $message_type->description;
-        // we also need some hidden fields
-        $settings_template_args['hidden_fields'] = array(
-            'message_type_settings[messenger]'    => array(
-                'type'  => 'hidden',
-                'value' => $messenger->name,
-            ),
-            'message_type_settings[message_type]' => array(
-                'type'  => 'hidden',
-                'value' => $message_type->name,
-            ),
-            'type'                                => array(
-                'type'  => 'hidden',
-                'value' => 'message_type',
-            ),
-        );
-
-        $settings_template_args['hidden_fields'] = $this->_generate_admin_form_fields(
-            $settings_template_args['hidden_fields'],
-            'array'
-        );
-        $settings_template_args['show_form'] = empty($settings_template_args['template_form_fields'])
-            ? ' hidden'
-            : '';
-
-
-        $template = EE_MSG_TEMPLATE_PATH . 'ee_msg_mt_settings_content.template.php';
-        $content = EEH_Template::display_template($template, $settings_template_args, true);
-
-        return $content;
-    }
-
-
-    /**
-     * Generate all the metaboxes for the message types and register them for the messages settings page.
-     *
-     * @access protected
-     * @return void
-     * @throws DomainException
-     */
-    protected function _messages_settings_metaboxes()
-    {
-        $this->_set_m_mt_settings();
-        $m_boxes = $mt_boxes = array();
-        $m_template_args = $mt_template_args = array();
-
-        $selected_messenger = isset($this->_req_data['selected_messenger'])
-            ? $this->_req_data['selected_messenger']
-            : 'email';
-
-        if (isset($this->_m_mt_settings['messenger_tabs'])) {
-            foreach ($this->_m_mt_settings['messenger_tabs'] as $messenger => $tab_array) {
-                $hide_on_message = $this->_message_resource_manager->is_messenger_active($messenger) ? '' : 'hidden';
-                $hide_off_message = $this->_message_resource_manager->is_messenger_active($messenger) ? 'hidden' : '';
-                // messenger meta boxes
-                $active = $selected_messenger === $messenger;
-                $active_mt_tabs = isset(
-                    $this->_m_mt_settings['message_type_tabs'][ $messenger ]['active']
-                )
-                    ? $this->_m_mt_settings['message_type_tabs'][ $messenger ]['active']
-                    : '';
-                $m_boxes[ $messenger . '_a_box' ] = sprintf(
-                    esc_html__('%s Settings', 'event_espresso'),
-                    $tab_array['label']
-                );
-                $m_template_args[ $messenger . '_a_box' ] = array(
-                    'active_message_types'   => ! empty($active_mt_tabs) ? $this->_get_mt_tabs($active_mt_tabs) : '',
-                    'inactive_message_types' => isset(
-                        $this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive']
-                    )
-                        ? $this->_get_mt_tabs($this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive'])
-                        : '',
-                    'content'                => $this->_get_messenger_box_content($tab_array['obj']),
-                    'hidden'                 => $active ? '' : ' hidden',
-                    'hide_on_message'        => $hide_on_message,
-                    'messenger'              => $messenger,
-                    'active'                 => $active,
-                );
-                // message type meta boxes
-                // (which is really just the inactive container for each messenger
-                // showing inactive message types for that messenger)
-                $mt_boxes[ $messenger . '_i_box' ] = esc_html__('Inactive Message Types', 'event_espresso');
-                $mt_template_args[ $messenger . '_i_box' ] = array(
-                    'active_message_types'   => ! empty($active_mt_tabs) ? $this->_get_mt_tabs($active_mt_tabs) : '',
-                    'inactive_message_types' => isset(
-                        $this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive']
-                    )
-                        ? $this->_get_mt_tabs($this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive'])
-                        : '',
-                    'hidden'                 => $active ? '' : ' hidden',
-                    'hide_on_message'        => $hide_on_message,
-                    'hide_off_message'       => $hide_off_message,
-                    'messenger'              => $messenger,
-                    'active'                 => $active,
-                );
-            }
-        }
-
-
-        // register messenger metaboxes
-        $m_template_path = EE_MSG_TEMPLATE_PATH . 'ee_msg_details_messenger_mt_meta_box.template.php';
-        foreach ($m_boxes as $box => $label) {
-            $callback_args = array('template_path' => $m_template_path, 'template_args' => $m_template_args[ $box ]);
-            $msgr = str_replace('_a_box', '', $box);
-            add_meta_box(
-                'espresso_' . $msgr . '_settings',
-                $label,
-                function ($post, $metabox) {
-                    echo EEH_Template::display_template(
-                        $metabox["args"]["template_path"],
-                        $metabox["args"]["template_args"],
-                        true
-                    );
-                },
-                $this->_current_screen->id,
-                'normal',
-                'high',
-                $callback_args
-            );
-        }
-
-        // register message type metaboxes
-        $mt_template_path = EE_MSG_TEMPLATE_PATH . 'ee_msg_details_messenger_meta_box.template.php';
-        foreach ($mt_boxes as $box => $label) {
-            $callback_args = array(
-                'template_path' => $mt_template_path,
-                'template_args' => $mt_template_args[ $box ],
-            );
-            $mt = str_replace('_i_box', '', $box);
-            add_meta_box(
-                'espresso_' . $mt . '_inactive_mts',
-                $label,
-                function ($post, $metabox) {
-                    echo EEH_Template::display_template(
-                        $metabox["args"]["template_path"],
-                        $metabox["args"]["template_args"],
-                        true
-                    );
-                },
-                $this->_current_screen->id,
-                'side',
-                'high',
-                $callback_args
-            );
-        }
-
-        // register metabox for global messages settings but only when on the main site.  On single site installs this
-        // will always result in the metabox showing, on multisite installs the metabox will only show on the main site.
-        if (is_main_site()) {
-            add_meta_box(
-                'espresso_global_message_settings',
-                esc_html__('Global Message Settings', 'event_espresso'),
-                array($this, 'global_messages_settings_metabox_content'),
-                $this->_current_screen->id,
-                'normal',
-                'low',
-                array()
-            );
-        }
-    }
-
-
-    /**
-     *  This generates the content for the global messages settings metabox.
-     *
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function global_messages_settings_metabox_content()
-    {
-        $form = $this->_generate_global_settings_form();
-        echo $form->form_open(
-            $this->add_query_args_and_nonce(array('action' => 'update_global_settings'), EE_MSG_ADMIN_URL),
-            'POST'
-        )
-             . $form->get_html()
-             . $form->form_close();
-    }
-
-
-    /**
-     * This generates and returns the form object for the global messages settings.
-     *
-     * @return EE_Form_Section_Proper
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _generate_global_settings_form()
-    {
-        EE_Registry::instance()->load_helper('HTML');
-        /** @var EE_Network_Core_Config $network_config */
-        $network_config = EE_Registry::instance()->NET_CFG->core;
-
-        return new EE_Form_Section_Proper(
-            array(
-                'name'            => 'global_messages_settings',
-                'html_id'         => 'global_messages_settings',
-                'html_class'      => 'form-table',
-                'layout_strategy' => new EE_Admin_Two_Column_Layout(),
-                'subsections'     => apply_filters(
-                    'FHEE__Messages_Admin_Page__global_messages_settings_metabox_content__form_subsections',
-                    array(
-                        'do_messages_on_same_request' => new EE_Select_Input(
-                            array(
-                                true  => esc_html__("On the same request", "event_espresso"),
-                                false => esc_html__("On a separate request", "event_espresso"),
-                            ),
-                            array(
-                                'default'         => $network_config->do_messages_on_same_request,
-                                'html_label_text' => esc_html__(
-                                    'Generate and send all messages:',
-                                    'event_espresso'
-                                ),
-                                'html_help_text'  => esc_html__(
-                                    'By default the messages system uses a more efficient means of processing messages on separate requests and utilizes the wp-cron scheduling system.  This makes things execute faster for people registering for your events.  However, if the wp-cron system is disabled on your site and there is no alternative in place, then you can change this so messages are always executed on the same request.',
-                                    'event_espresso'
-                                ),
-                            )
-                        ),
-                        'delete_threshold'            => new EE_Select_Input(
-                            array(
-                                0  => esc_html__('Forever', 'event_espresso'),
-                                3  => esc_html__('3 Months', 'event_espresso'),
-                                6  => esc_html__('6 Months', 'event_espresso'),
-                                9  => esc_html__('9 Months', 'event_espresso'),
-                                12 => esc_html__('12 Months', 'event_espresso'),
-                                24 => esc_html__('24 Months', 'event_espresso'),
-                                36 => esc_html__('36 Months', 'event_espresso'),
-                            ),
-                            array(
-                                'default'         => EE_Registry::instance()->CFG->messages->delete_threshold,
-                                'html_label_text' => esc_html__('Cleanup of old messages:', 'event_espresso'),
-                                'html_help_text'  => esc_html__(
-                                    'You can control how long a record of processed messages is kept via this option.',
-                                    'event_espresso'
-                                ),
-                            )
-                        ),
-                        'update_settings'             => new EE_Submit_Input(
-                            array(
-                                'default'         => esc_html__('Update', 'event_espresso'),
-                                'html_label_text' => '&nbsp',
-                            )
-                        ),
-                    )
-                ),
-            )
-        );
-    }
-
-
-    /**
-     * This handles updating the global settings set on the admin page.
-     *
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     */
-    protected function _update_global_settings()
-    {
-        /** @var EE_Network_Core_Config $network_config */
-        $network_config = EE_Registry::instance()->NET_CFG->core;
-        $messages_config = EE_Registry::instance()->CFG->messages;
-        $form = $this->_generate_global_settings_form();
-        if ($form->was_submitted()) {
-            $form->receive_form_submission();
-            if ($form->is_valid()) {
-                $valid_data = $form->valid_data();
-                foreach ($valid_data as $property => $value) {
-                    $setter = 'set_' . $property;
-                    if (method_exists($network_config, $setter)) {
-                        $network_config->{$setter}($value);
-                    } elseif (property_exists($network_config, $property)
-                        && $network_config->{$property} !== $value
-                    ) {
-                        $network_config->{$property} = $value;
-                    } elseif (property_exists($messages_config, $property)
-                        && $messages_config->{$property} !== $value
-                    ) {
-                        $messages_config->{$property} = $value;
-                    }
-                }
-                // only update if the form submission was valid!
-                EE_Registry::instance()->NET_CFG->update_config(true, false);
-                EE_Registry::instance()->CFG->update_espresso_config();
-                EE_Error::overwrite_success();
-                EE_Error::add_success(__('Global message settings were updated', 'event_espresso'));
-            }
-        }
-        $this->_redirect_after_action(0, '', '', array('action' => 'settings'), true);
-    }
-
-
-    /**
-     * this prepares the messenger tabs that can be dragged in and out of messenger boxes to activate/deactivate
-     *
-     * @param  array $tab_array This is an array of message type tab details used to generate the tabs
-     * @return string html formatted tabs
-     * @throws DomainException
-     */
-    protected function _get_mt_tabs($tab_array)
-    {
-        $tab_array = (array) $tab_array;
-        $template = EE_MSG_TEMPLATE_PATH . 'ee_msg_details_mt_settings_tab_item.template.php';
-        $tabs = '';
-
-        foreach ($tab_array as $tab) {
-            $tabs .= EEH_Template::display_template($template, $tab, true);
-        }
-
-        return $tabs;
-    }
-
-
-    /**
-     * This prepares the content of the messenger meta box admin settings
-     *
-     * @param  EE_messenger $messenger The messenger we're setting up content for
-     * @return string html formatted content
-     * @throws DomainException
-     */
-    protected function _get_messenger_box_content(EE_messenger $messenger)
-    {
-
-        $fields = $messenger->get_admin_settings_fields();
-        $settings_template_args['template_form_fields'] = '';
-
-        // is $messenger active?
-        $settings_template_args['active'] = $this->_message_resource_manager->is_messenger_active($messenger->name);
-
-
-        if (! empty($fields)) {
-            $existing_settings = $messenger->get_existing_admin_settings();
-
-            foreach ($fields as $fldname => $fldprops) {
-                $field_id = $messenger->name . '-' . $fldname;
-                $template_form_field[ $field_id ] = array(
-                    'name'       => 'messenger_settings[' . $field_id . ']',
-                    'label'      => $fldprops['label'],
-                    'input'      => $fldprops['field_type'],
-                    'type'       => $fldprops['value_type'],
-                    'required'   => $fldprops['required'],
-                    'validation' => $fldprops['validation'],
-                    'value'      => isset($existing_settings[ $field_id ])
-                        ? $existing_settings[ $field_id ]
-                        : $fldprops['default'],
-                    'css_class'  => '',
-                    'format'     => $fldprops['format'],
-                );
-            }
-
-
-            $settings_template_args['template_form_fields'] = ! empty($template_form_field)
-                ? $this->_generate_admin_form_fields($template_form_field, 'string', 'ee_m_activate_form')
-                : '';
-        }
-
-        // we also need some hidden fields
-        $settings_template_args['hidden_fields'] = array(
-            'messenger_settings[messenger]' => array(
-                'type'  => 'hidden',
-                'value' => $messenger->name,
-            ),
-            'type'                          => array(
-                'type'  => 'hidden',
-                'value' => 'messenger',
-            ),
-        );
-
-        // make sure any active message types that are existing are included in the hidden fields
-        if (isset($this->_m_mt_settings['message_type_tabs'][ $messenger->name ]['active'])) {
-            foreach ($this->_m_mt_settings['message_type_tabs'][ $messenger->name ]['active'] as $mt => $values) {
-                $settings_template_args['hidden_fields'][ 'messenger_settings[message_types][' . $mt . ']' ] = array(
-                    'type'  => 'hidden',
-                    'value' => $mt,
-                );
-            }
-        }
-        $settings_template_args['hidden_fields'] = $this->_generate_admin_form_fields(
-            $settings_template_args['hidden_fields'],
-            'array'
-        );
-        $active = $this->_message_resource_manager->is_messenger_active($messenger->name);
-
-        $settings_template_args['messenger'] = $messenger->name;
-        $settings_template_args['description'] = $messenger->description;
-        $settings_template_args['show_hide_edit_form'] = $active ? '' : ' hidden';
-
-
-        $settings_template_args['show_hide_edit_form'] = $this->_message_resource_manager->is_messenger_active(
-            $messenger->name
-        )
-            ? $settings_template_args['show_hide_edit_form']
-            : ' hidden';
-
-        $settings_template_args['show_hide_edit_form'] = empty($settings_template_args['template_form_fields'])
-            ? ' hidden'
-            : $settings_template_args['show_hide_edit_form'];
-
-
-        $settings_template_args['on_off_action'] = $active ? 'messenger-off' : 'messenger-on';
-        $settings_template_args['nonce'] = wp_create_nonce('activate_' . $messenger->name . '_toggle_nonce');
-        $settings_template_args['on_off_status'] = $active ? true : false;
-        $template = EE_MSG_TEMPLATE_PATH . 'ee_msg_m_settings_content.template.php';
-        $content = EEH_Template::display_template(
-            $template,
-            $settings_template_args,
-            true
-        );
-
-        return $content;
-    }
-
-
-    /**
-     * used by ajax on the messages settings page to activate|deactivate the messenger
-     *
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     */
-    public function activate_messenger_toggle()
-    {
-        $success = true;
-        $this->_prep_default_response_for_messenger_or_message_type_toggle();
-        // let's check that we have required data
-        if (! isset($this->_req_data['messenger'])) {
-            EE_Error::add_error(
-                esc_html__('Messenger name needed to toggle activation. None given', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-        // do a nonce check here since we're not arriving via a normal route
-        $nonce = isset($this->_req_data['activate_nonce'])
-            ? sanitize_text_field($this->_req_data['activate_nonce'])
-            : '';
-        $nonce_ref = 'activate_' . $this->_req_data['messenger'] . '_toggle_nonce';
-
-        $this->_verify_nonce($nonce, $nonce_ref);
-
-
-        if (! isset($this->_req_data['status'])) {
-            EE_Error::add_error(
-                esc_html__(
-                    'Messenger status needed to know whether activation or deactivation is happening. No status is given',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-        // do check to verify we have a valid status.
-        $status = $this->_req_data['status'];
-
-        if ($status !== 'off' && $status !== 'on') {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__('The given status (%s) is not valid. Must be "off" or "on"', 'event_espresso'),
-                    $this->_req_data['status']
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-        if ($success) {
-            // made it here?  Stop dawdling then!!
-            $success = $status === 'off'
-                ? $this->_deactivate_messenger($this->_req_data['messenger'])
-                : $this->_activate_messenger($this->_req_data['messenger']);
-        }
-
-        $this->_template_args['success'] = $success;
-
-        // no special instructions so let's just do the json return (which should automatically do all the special stuff).
-        $this->_return_json();
-    }
-
-
-    /**
-     * used by ajax from the messages settings page to activate|deactivate a message type
-     *
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     */
-    public function activate_mt_toggle()
-    {
-        $success = true;
-        $this->_prep_default_response_for_messenger_or_message_type_toggle();
-
-        // let's make sure we have the necessary data
-        if (! isset($this->_req_data['message_type'])) {
-            EE_Error::add_error(
-                esc_html__('Message Type name needed to toggle activation. None given', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-        if (! isset($this->_req_data['messenger'])) {
-            EE_Error::add_error(
-                esc_html__('Messenger name needed to toggle activation. None given', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-        if (! isset($this->_req_data['status'])) {
-            EE_Error::add_error(
-                esc_html__(
-                    'Messenger status needed to know whether activation or deactivation is happening. No status is given',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-
-        // do check to verify we have a valid status.
-        $status = $this->_req_data['status'];
-
-        if ($status !== 'activate' && $status !== 'deactivate') {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__('The given status (%s) is not valid. Must be "active" or "inactive"', 'event_espresso'),
-                    $this->_req_data['status']
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $success = false;
-        }
-
-
-        // do a nonce check here since we're not arriving via a normal route
-        $nonce = isset($this->_req_data['mt_nonce']) ? sanitize_text_field($this->_req_data['mt_nonce']) : '';
-        $nonce_ref = $this->_req_data['message_type'] . '_nonce';
-
-        $this->_verify_nonce($nonce, $nonce_ref);
-
-        if ($success) {
-            // made it here? um, what are you waiting for then?
-            $success = $status === 'deactivate'
-                ? $this->_deactivate_message_type_for_messenger(
-                    $this->_req_data['messenger'],
-                    $this->_req_data['message_type']
-                )
-                : $this->_activate_message_type_for_messenger(
-                    $this->_req_data['messenger'],
-                    $this->_req_data['message_type']
-                );
-        }
-
-        $this->_template_args['success'] = $success;
-        $this->_return_json();
-    }
-
-
-    /**
-     * Takes care of processing activating a messenger and preparing the appropriate response.
-     *
-     * @param string $messenger_name The name of the messenger being activated
-     * @return bool
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _activate_messenger($messenger_name)
-    {
-        /** @var EE_messenger $active_messenger This will be present because it can't be toggled if it isn't */
-        $active_messenger = $this->_message_resource_manager->get_messenger($messenger_name);
-        $message_types_to_activate = $active_messenger instanceof EE_Messenger
-            ? $active_messenger->get_default_message_types()
-            : array();
-
-        // ensure is active
-        $this->_message_resource_manager->activate_messenger($messenger_name, $message_types_to_activate);
-
-        // set response_data for reload
-        foreach ($message_types_to_activate as $message_type_name) {
-            /** @var EE_message_type $message_type */
-            $message_type = $this->_message_resource_manager->get_message_type($message_type_name);
-            if ($this->_message_resource_manager->is_message_type_active_for_messenger(
-                $messenger_name,
-                $message_type_name
-            )
-                && $message_type instanceof EE_message_type
-            ) {
-                $this->_template_args['data']['active_mts'][] = $message_type_name;
-                if ($message_type->get_admin_settings_fields()) {
-                    $this->_template_args['data']['mt_reload'][] = $message_type_name;
-                }
-            }
-        }
-
-        // add success message for activating messenger
-        return $this->_setup_response_message_for_activating_messenger_with_message_types($active_messenger);
-    }
-
-
-    /**
-     * Takes care of processing deactivating a messenger and preparing the appropriate response.
-     *
-     * @param string $messenger_name The name of the messenger being activated
-     * @return bool
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _deactivate_messenger($messenger_name)
-    {
-        /** @var EE_messenger $active_messenger This will be present because it can't be toggled if it isn't */
-        $active_messenger = $this->_message_resource_manager->get_messenger($messenger_name);
-        $this->_message_resource_manager->deactivate_messenger($messenger_name);
-
-        return $this->_setup_response_message_for_deactivating_messenger_with_message_types($active_messenger);
-    }
-
-
-    /**
-     * Takes care of processing activating a message type for a messenger and preparing the appropriate response.
-     *
-     * @param string $messenger_name    The name of the messenger the message type is being activated for.
-     * @param string $message_type_name The name of the message type being activated for the messenger
-     * @return bool
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _activate_message_type_for_messenger($messenger_name, $message_type_name)
-    {
-        /** @var EE_messenger $active_messenger This will be present because it can't be toggled if it isn't */
-        $active_messenger = $this->_message_resource_manager->get_messenger($messenger_name);
-        /** @var EE_message_type $message_type_to_activate This will be present because it can't be toggled if it isn't */
-        $message_type_to_activate = $this->_message_resource_manager->get_message_type($message_type_name);
-
-        // ensure is active
-        $this->_message_resource_manager->activate_messenger($messenger_name, $message_type_name);
-
-        // set response for load
-        if ($this->_message_resource_manager->is_message_type_active_for_messenger(
-            $messenger_name,
-            $message_type_name
-        )
-        ) {
-            $this->_template_args['data']['active_mts'][] = $message_type_name;
-            if ($message_type_to_activate->get_admin_settings_fields()) {
-                $this->_template_args['data']['mt_reload'][] = $message_type_name;
-            }
-        }
-
-        return $this->_setup_response_message_for_activating_messenger_with_message_types(
-            $active_messenger,
-            $message_type_to_activate
-        );
-    }
-
-
-    /**
-     * Takes care of processing deactivating a message type for a messenger and preparing the appropriate response.
-     *
-     * @param string $messenger_name    The name of the messenger the message type is being deactivated for.
-     * @param string $message_type_name The name of the message type being deactivated for the messenger
-     * @return bool
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _deactivate_message_type_for_messenger($messenger_name, $message_type_name)
-    {
-        /** @var EE_messenger $active_messenger This will be present because it can't be toggled if it isn't */
-        $active_messenger = $this->_message_resource_manager->get_messenger($messenger_name);
-        /** @var EE_message_type $message_type_to_activate This will be present because it can't be toggled if it isn't */
-        $message_type_to_deactivate = $this->_message_resource_manager->get_message_type($message_type_name);
-        $this->_message_resource_manager->deactivate_message_type_for_messenger($message_type_name, $messenger_name);
-
-        return $this->_setup_response_message_for_deactivating_messenger_with_message_types(
-            $active_messenger,
-            $message_type_to_deactivate
-        );
-    }
-
-
-    /**
-     * This just initializes the defaults for activating messenger and message type responses.
-     */
-    protected function _prep_default_response_for_messenger_or_message_type_toggle()
-    {
-        $this->_template_args['data']['active_mts'] = array();
-        $this->_template_args['data']['mt_reload'] = array();
-    }
-
-
-    /**
-     * Setup appropriate response for activating a messenger and/or message types
-     *
-     * @param EE_messenger         $messenger
-     * @param EE_message_type|null $message_type
-     * @return bool
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _setup_response_message_for_activating_messenger_with_message_types(
-        $messenger,
-        EE_Message_Type $message_type = null
-    ) {
-        // if $messenger isn't a valid messenger object then get out.
-        if (! $messenger instanceof EE_Messenger) {
-            EE_Error::add_error(
-                esc_html__('The messenger being activated is not a valid messenger', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-
-            return false;
-        }
-        // activated
-        if ($this->_template_args['data']['active_mts']) {
-            EE_Error::overwrite_success();
-            // activated a message type with the messenger
-            if ($message_type instanceof EE_message_type) {
-                EE_Error::add_success(
-                    sprintf(
-                        esc_html__(
-                            '%s message type has been successfully activated with the %s messenger',
-                            'event_espresso'
-                        ),
-                        ucwords($message_type->label['singular']),
-                        ucwords($messenger->label['singular'])
-                    )
-                );
-
-                // if message type was invoice then let's make sure we activate the invoice payment method.
-                if ($message_type->name === 'invoice') {
-                    EE_Registry::instance()->load_lib('Payment_Method_Manager');
-                    $pm = EE_Payment_Method_Manager::instance()->activate_a_payment_method_of_type('Invoice');
-                    if ($pm instanceof EE_Payment_Method) {
-                        EE_Error::add_attention(
-                            esc_html__(
-                                'Activating the invoice message type also automatically activates the invoice payment method.  If you do not wish the invoice payment method to be active, or to change its settings, visit the payment method admin page.',
-                                'event_espresso'
-                            )
-                        );
-                    }
-                }
-                // just toggles the entire messenger
-            } else {
-                EE_Error::add_success(
-                    sprintf(
-                        esc_html__('%s messenger has been successfully activated', 'event_espresso'),
-                        ucwords($messenger->label['singular'])
-                    )
-                );
-            }
-
-            return true;
-
-            // possible error condition. This will happen when our active_mts data is empty because it is validated for actual active
-            // message types after the activation process.  However its possible some messengers don't HAVE any default_message_types
-            // in which case we just give a success message for the messenger being successfully activated.
-        } else {
-            if (! $messenger->get_default_message_types()) {
-                // messenger doesn't have any default message types so still a success.
-                EE_Error::add_success(
-                    sprintf(
-                        esc_html__('%s messenger was successfully activated.', 'event_espresso'),
-                        ucwords($messenger->label['singular'])
-                    )
-                );
-
-                return true;
-            } else {
-                EE_Error::add_error(
-                    $message_type instanceof EE_message_type
-                        ? sprintf(
-                            esc_html__(
-                                '%s message type was not successfully activated with the %s messenger',
-                                'event_espresso'
-                            ),
-                            ucwords($message_type->label['singular']),
-                            ucwords($messenger->label['singular'])
-                        )
-                        : sprintf(
-                            esc_html__('%s messenger was not successfully activated', 'event_espresso'),
-                            ucwords($messenger->label['singular'])
-                        ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-
-                return false;
-            }
-        }
-    }
-
-
-    /**
-     * This sets up the appropriate response for deactivating a messenger and/or message type.
-     *
-     * @param EE_messenger         $messenger
-     * @param EE_message_type|null $message_type
-     * @return bool
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _setup_response_message_for_deactivating_messenger_with_message_types(
-        $messenger,
-        EE_message_type $message_type = null
-    ) {
-        EE_Error::overwrite_success();
-
-        // if $messenger isn't a valid messenger object then get out.
-        if (! $messenger instanceof EE_Messenger) {
-            EE_Error::add_error(
-                esc_html__('The messenger being deactivated is not a valid messenger', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-
-            return false;
-        }
-
-        if ($message_type instanceof EE_message_type) {
-            $message_type_name = $message_type->name;
-            EE_Error::add_success(
-                sprintf(
-                    esc_html__(
-                        '%s message type has been successfully deactivated for the %s messenger.',
-                        'event_espresso'
-                    ),
-                    ucwords($message_type->label['singular']),
-                    ucwords($messenger->label['singular'])
-                )
-            );
-        } else {
-            $message_type_name = '';
-            EE_Error::add_success(
-                sprintf(
-                    esc_html__('%s messenger has been successfully deactivated.', 'event_espresso'),
-                    ucwords($messenger->label['singular'])
-                )
-            );
-        }
-
-        // if messenger was html or message type was invoice then let's make sure we deactivate invoice payment method.
-        if ($messenger->name === 'html' || $message_type_name === 'invoice') {
-            EE_Registry::instance()->load_lib('Payment_Method_Manager');
-            $count_updated = EE_Payment_Method_Manager::instance()->deactivate_payment_method('invoice');
-            if ($count_updated > 0) {
-                $msg = $message_type_name === 'invoice'
-                    ? esc_html__(
-                        'Deactivating the invoice message type also automatically deactivates the invoice payment method. In order for invoices to be generated the invoice message type must be active. If you completed this action by mistake, simply reactivate the invoice message type and then visit the payment methods admin page to reactivate the invoice payment method.',
-                        'event_espresso'
-                    )
-                    : esc_html__(
-                        'Deactivating the html messenger also automatically deactivates the invoice payment method.  In order for invoices to be generated the html messenger must be be active.  If you completed this action by mistake, simply reactivate the html messenger, then visit the payment methods admin page to reactivate the invoice payment method.',
-                        'event_espresso'
-                    );
-                EE_Error::add_attention($msg);
-            }
-        }
-
-        return true;
-    }
-
-
-    /**
-     * handles updating a message type form on messenger activation IF the message type has settings fields. (via ajax)
-     *
-     * @throws DomainException
-     */
-    public function update_mt_form()
-    {
-        if (! isset($this->_req_data['messenger']) || ! isset($this->_req_data['message_type'])) {
-            EE_Error::add_error(
-                esc_html__('Require message type or messenger to send an updated form', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $this->_return_json();
-        }
-
-        $message_types = $this->get_installed_message_types();
-
-        $message_type = $message_types[ $this->_req_data['message_type'] ];
-        $messenger = $this->_message_resource_manager->get_active_messenger($this->_req_data['messenger']);
-
-        $content = $this->_message_type_settings_content(
-            $message_type,
-            $messenger,
-            true
-        );
-        $this->_template_args['success'] = true;
-        $this->_template_args['content'] = $content;
-        $this->_return_json();
-    }
-
-
-    /**
-     * this handles saving the settings for a messenger or message type
-     *
-     */
-    public function save_settings()
-    {
-        if (! isset($this->_req_data['type'])) {
-            EE_Error::add_error(
-                esc_html__(
-                    'Cannot save settings because type is unknown (messenger settings or messsage type settings?)',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $this->_template_args['error'] = true;
-            $this->_return_json();
-        }
-
-
-        if ($this->_req_data['type'] === 'messenger') {
-            // this should be an array.
-            $settings = $this->_req_data['messenger_settings'];
-            $messenger = $settings['messenger'];
-            // let's setup the settings data
-            foreach ($settings as $key => $value) {
-                switch ($key) {
-                    case 'messenger':
-                        unset($settings['messenger']);
-                        break;
-                    case 'message_types':
-                        unset($settings['message_types']);
-                        break;
-                    default:
-                        $settings[ $key ] = $value;
-                        break;
-                }
-            }
-            $this->_message_resource_manager->add_settings_for_messenger($messenger, $settings);
-        } elseif ($this->_req_data['type'] === 'message_type') {
-            $settings = $this->_req_data['message_type_settings'];
-            $messenger = $settings['messenger'];
-            $message_type = $settings['message_type'];
-
-            foreach ($settings as $key => $value) {
-                switch ($key) {
-                    case 'messenger':
-                        unset($settings['messenger']);
-                        break;
-                    case 'message_type':
-                        unset($settings['message_type']);
-                        break;
-                    default:
-                        $settings[ $key ] = $value;
-                        break;
-                }
-            }
-
-            $this->_message_resource_manager->add_settings_for_message_type($messenger, $message_type, $settings);
-        }
-
-        // okay we should have the data all setup.  Now we just update!
-        $success = $this->_message_resource_manager->update_active_messengers_option();
-
-        if ($success) {
-            EE_Error::add_success(__('Settings updated', 'event_espresso'));
-        } else {
-            EE_Error::add_error(
-                esc_html__(
-                    'Settings did not get updated',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-
-        $this->_template_args['success'] = $success;
-        $this->_return_json();
-    }
-
-
-
-
-    /**  EE MESSAGE PROCESSING ACTIONS **/
-
-
-    /**
-     * This immediately generates any EE_Message ID's that are selected that are EEM_Message::status_incomplete
-     * However, this does not send immediately, it just queues for sending.
-     *
-     * @since 4.9.0
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     */
-    protected function _generate_now()
-    {
-        EED_Messages::generate_now($this->_get_msg_ids_from_request());
-        $this->_redirect_after_action(false, '', '', array(), true);
-    }
-
-
-    /**
-     * This immediately generates AND sends any EE_Message's selected that are EEM_Message::status_incomplete or that
-     * are EEM_Message::status_resend or EEM_Message::status_idle
-     *
-     * @since 4.9.0
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     */
-    protected function _generate_and_send_now()
-    {
-        EED_Messages::generate_and_send_now($this->_get_msg_ids_from_request());
-        $this->_redirect_after_action(false, '', '', array(), true);
-    }
-
-
-    /**
-     * This queues any EEM_Message::status_sent EE_Message ids in the request for resending.
-     *
-     * @since 4.9.0
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     */
-    protected function _queue_for_resending()
-    {
-        EED_Messages::queue_for_resending($this->_get_msg_ids_from_request());
-        $this->_redirect_after_action(false, '', '', array(), true);
-    }
-
-
-    /**
-     *  This sends immediately any EEM_Message::status_idle or EEM_Message::status_resend messages in the queue
-     *
-     * @since 4.9.0
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     */
-    protected function _send_now()
-    {
-        EED_Messages::send_now($this->_get_msg_ids_from_request());
-        $this->_redirect_after_action(false, '', '', array(), true);
-    }
-
-
-    /**
-     * Deletes EE_messages for IDs in the request.
-     *
-     * @since 4.9.0
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     */
-    protected function _delete_ee_messages()
-    {
-        $msg_ids = $this->_get_msg_ids_from_request();
-        $deleted_count = 0;
-        foreach ($msg_ids as $msg_id) {
-            if (EEM_Message::instance()->delete_by_ID($msg_id)) {
-                $deleted_count++;
-            }
-        }
-        if ($deleted_count) {
-            EE_Error::add_success(
-                esc_html(
-                    _n(
-                        'Message successfully deleted',
-                        'Messages successfully deleted',
-                        $deleted_count,
-                        'event_espresso'
-                    )
-                )
-            );
-            $this->_redirect_after_action(
-                false,
-                '',
-                '',
-                array(),
-                true
-            );
-        } else {
-            EE_Error::add_error(
-                _n('The message was not deleted.', 'The messages were not deleted', count($msg_ids), 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            $this->_redirect_after_action(false, '', '', array(), true);
-        }
-    }
-
-
-    /**
-     *  This looks for 'MSG_ID' key in the request and returns an array of MSG_ID's if present.
-     *
-     * @since 4.9.0
-     * @return array
-     */
-    protected function _get_msg_ids_from_request()
-    {
-        if (! isset($this->_req_data['MSG_ID'])) {
-            return array();
-        }
-
-        return is_array($this->_req_data['MSG_ID'])
-            ? array_keys($this->_req_data['MSG_ID'])
-            : array($this->_req_data['MSG_ID']);
-    }
+		$output = ob_get_contents();
+		ob_clean();
+		$this->_context_switcher = $output;
+	}
+
+
+	/**
+	 * utility for sanitizing new values coming in.
+	 * Note: this is only used when updating a context.
+	 *
+	 * @access protected
+	 *
+	 * @param int $index This helps us know which template field to select from the request array.
+	 *
+	 * @return array
+	 */
+	protected function _set_message_template_column_values($index)
+	{
+		if (is_array($this->_req_data['MTP_template_fields'][ $index ]['content'])) {
+			foreach ($this->_req_data['MTP_template_fields'][ $index ]['content'] as $field => $value) {
+				$this->_req_data['MTP_template_fields'][ $index ]['content'][ $field ] = $value;
+			}
+		}
+
+
+		$set_column_values = array(
+			'MTP_ID'             => absint($this->_req_data['MTP_template_fields'][ $index ]['MTP_ID']),
+			'GRP_ID'             => absint($this->_req_data['GRP_ID']),
+			'MTP_user_id'        => absint($this->_req_data['MTP_user_id']),
+			'MTP_messenger'      => strtolower($this->_req_data['MTP_messenger']),
+			'MTP_message_type'   => strtolower($this->_req_data['MTP_message_type']),
+			'MTP_template_field' => strtolower($this->_req_data['MTP_template_fields'][ $index ]['name']),
+			'MTP_context'        => strtolower($this->_req_data['MTP_context']),
+			'MTP_content'        => $this->_req_data['MTP_template_fields'][ $index ]['content'],
+			'MTP_is_global'      => isset($this->_req_data['MTP_is_global'])
+				? absint($this->_req_data['MTP_is_global'])
+				: 0,
+			'MTP_is_override'    => isset($this->_req_data['MTP_is_override'])
+				? absint($this->_req_data['MTP_is_override'])
+				: 0,
+			'MTP_deleted'        => absint($this->_req_data['MTP_deleted']),
+			'MTP_is_active'      => absint($this->_req_data['MTP_is_active']),
+		);
+
+
+		return $set_column_values;
+	}
+
+
+	protected function _insert_or_update_message_template($new = false)
+	{
+
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$success = 0;
+		$override = false;
+
+		// setup notices description
+		$messenger_slug = ! empty($this->_req_data['MTP_messenger']) ? $this->_req_data['MTP_messenger'] : '';
+
+		// need the message type and messenger objects to be able to use the labels for the notices
+		$messenger_object = $this->_message_resource_manager->get_messenger($messenger_slug);
+		$messenger_label = $messenger_object instanceof EE_messenger
+			? ucwords($messenger_object->label['singular'])
+			: '';
+
+		$message_type_slug = ! empty($this->_req_data['MTP_message_type'])
+			? $this->_req_data['MTP_message_type']
+			: '';
+		$message_type_object = $this->_message_resource_manager->get_message_type($message_type_slug);
+
+		$message_type_label = $message_type_object instanceof EE_message_type
+			? ucwords($message_type_object->label['singular'])
+			: '';
+
+		$context_slug = ! empty($this->_req_data['MTP_context'])
+			? $this->_req_data['MTP_context']
+			: '';
+		$context = ucwords(str_replace('_', ' ', $context_slug));
+
+		$item_desc = $messenger_label && $message_type_label
+			? $messenger_label . ' ' . $message_type_label . ' ' . $context . ' '
+			: '';
+		$item_desc .= 'Message Template';
+		$query_args = array();
+		$edit_array = array();
+		$action_desc = '';
+
+		// if this is "new" then we need to generate the default contexts for the selected messenger/message_type for
+		// user to edit.
+		if ($new) {
+			$GRP_ID = ! empty($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : 0;
+			if ($edit_array = $this->_generate_new_templates($messenger_slug, $message_type_slug, $GRP_ID)) {
+				if (empty($edit_array)) {
+					$success = 0;
+				} else {
+					$success = 1;
+					$edit_array = $edit_array[0];
+					$query_args = array(
+						'id'      => $edit_array['GRP_ID'],
+						'context' => $edit_array['MTP_context'],
+						'action'  => 'edit_message_template',
+					);
+				}
+			}
+			$action_desc = 'created';
+		} else {
+			$MTPG = EEM_Message_Template_Group::instance();
+			$MTP = EEM_Message_Template::instance();
+
+
+			// run update for each template field in displayed context
+			if (! isset($this->_req_data['MTP_template_fields']) && empty($this->_req_data['MTP_template_fields'])) {
+				EE_Error::add_error(
+					esc_html__(
+						'There was a problem saving the template fields from the form because I didn\'t receive any actual template field data.',
+						'event_espresso'
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				$success = 0;
+			} else {
+				// first validate all fields!
+				// this filter allows client code to add its own validation to the template fields as well.
+				// returning an empty array means everything passed validation.
+				// errors in validation should be represented in an array with the following shape:
+				// array(
+				//   'fieldname' => array(
+				//          'msg' => 'error message'
+				//          'value' => 'value for field producing error'
+				// )
+				$custom_validation = (array) apply_filters(
+					'FHEE__Messages_Admin_Page___insert_or_update_message_template__validates',
+					array(),
+					$this->_req_data['MTP_template_fields'],
+					$context_slug,
+					$messenger_slug,
+					$message_type_slug
+				);
+
+				$system_validation = $MTPG->validate(
+					$this->_req_data['MTP_template_fields'],
+					$context_slug,
+					$messenger_slug,
+					$message_type_slug
+				);
+
+				$system_validation = ! is_array($system_validation) && $system_validation ? array()
+					: $system_validation;
+				$validates = array_merge($custom_validation, $system_validation);
+
+				// if $validate returned error messages (i.e. is_array()) then we need to process them and setup an
+				// appropriate response. HMM, dang this isn't correct, $validates will ALWAYS be an array.
+				//  WE need to make sure there is no actual error messages in validates.
+				if (is_array($validates) && ! empty($validates)) {
+					// add the transient so when the form loads we know which fields to highlight
+					$this->_add_transient('edit_message_template', $validates);
+
+					$success = 0;
+
+					// setup notices
+					foreach ($validates as $field => $error) {
+						if (isset($error['msg'])) {
+							EE_Error::add_error($error['msg'], __FILE__, __FUNCTION__, __LINE__);
+						}
+					}
+				} else {
+					$set_column_values = array();
+					foreach ($this->_req_data['MTP_template_fields'] as $template_field => $content) {
+						$set_column_values = $this->_set_message_template_column_values($template_field);
+
+						$where_cols_n_values = array(
+							'MTP_ID' => $this->_req_data['MTP_template_fields'][ $template_field ]['MTP_ID'],
+						);
+						// if they aren't allowed to use all JS, restrict them to just posty-y tags
+						if (! current_user_can('unfiltered_html')) {
+							if (is_array($set_column_values['MTP_content'])) {
+								foreach ($set_column_values['MTP_content'] as $key => $value) {
+									// remove slashes so wp_kses works properly (its wp_kses_stripslashes() function
+									// only removes slashes from double-quotes, so attributes using single quotes always
+									// appear invalid.) But currently the models expect slashed data, so after wp_kses
+									// runs we need to re-slash the data. Sheesh. See
+									// https://events.codebasehq.com/projects/event-espresso/tickets/11211#update-47321587
+									$set_column_values['MTP_content'][ $key ] = addslashes(
+										wp_kses(
+											stripslashes($value),
+											wp_kses_allowed_html('post')
+										)
+									);
+								}
+							} else {
+								$set_column_values['MTP_content'] = wp_kses(
+									$set_column_values['MTP_content'],
+									wp_kses_allowed_html('post')
+								);
+							}
+						}
+						$message_template_fields = array(
+							'GRP_ID'             => $set_column_values['GRP_ID'],
+							'MTP_template_field' => $set_column_values['MTP_template_field'],
+							'MTP_context'        => $set_column_values['MTP_context'],
+							'MTP_content'        => $set_column_values['MTP_content'],
+						);
+						if ($updated = $MTP->update($message_template_fields, array($where_cols_n_values))) {
+							if ($updated === false) {
+								EE_Error::add_error(
+									sprintf(
+										esc_html__('%s field was NOT updated for some reason', 'event_espresso'),
+										$template_field
+									),
+									__FILE__,
+									__FUNCTION__,
+									__LINE__
+								);
+							} else {
+								$success = 1;
+							}
+						} else {
+							// only do this logic if we don't have a MTP_ID for this field
+							if (empty($this->_req_data['MTP_template_fields'][ $template_field ]['MTP_ID'])) {
+								// this has already been through the template field validator and sanitized, so it will be
+								// safe to insert this field.  Why insert?  This typically happens when we introduce a new
+								// message template field in a messenger/message type and existing users don't have the
+								// default setup for it.
+								// @link https://events.codebasehq.com/projects/event-espresso/tickets/9465
+								$updated = $MTP->insert($message_template_fields);
+								if (! $updated || is_wp_error($updated)) {
+									EE_Error::add_error(
+										sprintf(
+											esc_html__('%s field could not be updated.', 'event_espresso'),
+											$template_field
+										),
+										__FILE__,
+										__FUNCTION__,
+										__LINE__
+									);
+									$success = 0;
+								} else {
+									$success = 1;
+								}
+							}
+						}
+						$action_desc = 'updated';
+					}
+
+					// we can use the last set_column_values for the MTPG update (because its the same for all of these specific MTPs)
+					$mtpg_fields = array(
+						'MTP_user_id'      => $set_column_values['MTP_user_id'],
+						'MTP_messenger'    => $set_column_values['MTP_messenger'],
+						'MTP_message_type' => $set_column_values['MTP_message_type'],
+						'MTP_is_global'    => $set_column_values['MTP_is_global'],
+						'MTP_is_override'  => $set_column_values['MTP_is_override'],
+						'MTP_deleted'      => $set_column_values['MTP_deleted'],
+						'MTP_is_active'    => $set_column_values['MTP_is_active'],
+						'MTP_name'         => ! empty($this->_req_data['ee_msg_non_global_fields']['MTP_name'])
+							? $this->_req_data['ee_msg_non_global_fields']['MTP_name']
+							: '',
+						'MTP_description'  => ! empty($this->_req_data['ee_msg_non_global_fields']['MTP_description'])
+							? $this->_req_data['ee_msg_non_global_fields']['MTP_description']
+							: '',
+					);
+
+					$mtpg_where = array('GRP_ID' => $set_column_values['GRP_ID']);
+					$updated = $MTPG->update($mtpg_fields, array($mtpg_where));
+
+					if ($updated === false) {
+						EE_Error::add_error(
+							sprintf(
+								esc_html__(
+									'The Message Template Group (%d) was NOT updated for some reason',
+									'event_espresso'
+								),
+								$set_column_values['GRP_ID']
+							),
+							__FILE__,
+							__FUNCTION__,
+							__LINE__
+						);
+					} else {
+						// k now we need to ensure the template_pack and template_variation fields are set.
+						$template_pack = ! empty($this->_req_data['MTP_template_pack'])
+							? $this->_req_data['MTP_template_pack']
+							: 'default';
+
+						$template_variation = ! empty($this->_req_data['MTP_template_variation'])
+							? $this->_req_data['MTP_template_variation']
+							: 'default';
+
+						$mtpg_obj = $MTPG->get_one_by_ID($set_column_values['GRP_ID']);
+						if ($mtpg_obj instanceof EE_Message_Template_Group) {
+							$mtpg_obj->set_template_pack_name($template_pack);
+							$mtpg_obj->set_template_pack_variation($template_variation);
+						}
+						$success = 1;
+					}
+				}
+			}
+		}
+
+		// we return things differently if doing ajax
+		if (defined('DOING_AJAX') && DOING_AJAX) {
+			$this->_template_args['success'] = $success;
+			$this->_template_args['error'] = ! $success ? true : false;
+			$this->_template_args['content'] = '';
+			$this->_template_args['data'] = array(
+				'grpID'        => $edit_array['GRP_ID'],
+				'templateName' => $edit_array['template_name'],
+			);
+			if ($success) {
+				EE_Error::overwrite_success();
+				EE_Error::add_success(
+					esc_html__(
+						'The new template has been created and automatically selected for this event.  You can edit the new template by clicking the edit button.  Note before this template is assigned to this event, the event must be saved.',
+						'event_espresso'
+					)
+				);
+			}
+
+			$this->_return_json();
+		}
+
+
+		// was a test send triggered?
+		if (isset($this->_req_data['test_button'])) {
+			EE_Error::overwrite_success();
+			$this->_do_test_send($context_slug, $messenger_slug, $message_type_slug);
+			$override = true;
+		}
+
+		if (empty($query_args)) {
+			$query_args = array(
+				'id'      => $this->_req_data['GRP_ID'],
+				'context' => $context_slug,
+				'action'  => 'edit_message_template',
+			);
+		}
+
+		$this->_redirect_after_action($success, $item_desc, $action_desc, $query_args, $override);
+	}
+
+
+	/**
+	 * processes a test send request to do an actual messenger delivery test for the given message template being tested
+	 *
+	 * @param  string $context      what context being tested
+	 * @param  string $messenger    messenger being tested
+	 * @param  string $message_type message type being tested
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _do_test_send($context, $messenger, $message_type)
+	{
+		// set things up for preview
+		$this->_req_data['messenger'] = $messenger;
+		$this->_req_data['message_type'] = $message_type;
+		$this->_req_data['context'] = $context;
+		$this->_req_data['GRP_ID'] = isset($this->_req_data['GRP_ID']) ? $this->_req_data['GRP_ID'] : '';
+		$active_messenger = $this->_message_resource_manager->get_active_messenger($messenger);
+
+		// let's save any existing fields that might be required by the messenger
+		if (isset($this->_req_data['test_settings_fld'])
+			&& $active_messenger instanceof EE_messenger
+			&& apply_filters(
+				'FHEE__Messages_Admin_Page__do_test_send__set_existing_test_settings',
+				true,
+				$this->_req_data['test_settings_fld'],
+				$active_messenger
+			)
+		) {
+			$active_messenger->set_existing_test_settings($this->_req_data['test_settings_fld']);
+		}
+
+		/**
+		 * Use filter to add additional controls on whether message can send or not
+		 */
+		if (apply_filters(
+			'FHEE__Messages_Admin_Page__do_test_send__can_send',
+			true,
+			$context,
+			$this->_req_data,
+			$messenger,
+			$message_type
+		)) {
+			if (EEM_Event::instance()->count() > 0) {
+				$success = $this->_preview_message(true);
+				if ($success) {
+					EE_Error::add_success(__('Test message sent', 'event_espresso'));
+				} else {
+					EE_Error::add_error(
+						esc_html__('The test message was not sent', 'event_espresso'),
+						__FILE__,
+						__FUNCTION__,
+						__LINE__
+					);
+				}
+			} else {
+				$this->noEventsErrorMessage(true);
+			}
+		}
+	}
+
+
+	/**
+	 * _generate_new_templates
+	 * This will handle the messenger, message_type selection when "adding a new custom template" for an event and will
+	 * automatically create the defaults for the event.  The user would then be redirected to edit the default context
+	 * for the event.
+	 *
+	 *
+	 * @param  string $messenger     the messenger we are generating templates for
+	 * @param array   $message_types array of message types that the templates are generated for.
+	 * @param int     $GRP_ID        If this is a custom template being generated then a GRP_ID needs to be included to
+	 *                               indicate the message_template_group being used as the base.
+	 *
+	 * @param bool    $global
+	 *
+	 * @return array|bool array of data required for the redirect to the correct edit page or bool if
+	 *                               encountering problems.
+	 * @throws EE_Error
+	 */
+	protected function _generate_new_templates($messenger, $message_types, $GRP_ID = 0, $global = false)
+	{
+
+		// if no $message_types are given then that's okay... this may be a messenger that just adds shortcodes, so we
+		// just don't generate any templates.
+		if (empty($message_types)) {
+			return true;
+		}
+
+		return EEH_MSG_Template::generate_new_templates($messenger, $message_types, $GRP_ID, $global);
+	}
+
+
+	/**
+	 * [_trash_or_restore_message_template]
+	 *
+	 * @param  boolean $trash whether to move an item to trash/restore (TRUE) or restore it (FALSE)
+	 * @param boolean  $all   whether this is going to trash/restore all contexts within a template group (TRUE) OR just
+	 *                        an individual context (FALSE).
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _trash_or_restore_message_template($trash = true, $all = false)
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		$MTP = EEM_Message_Template_Group::instance();
+
+		$success = 1;
+
+		// incoming GRP_IDs
+		if ($all) {
+			// Checkboxes
+			if (! empty($this->_req_data['checkbox']) && is_array($this->_req_data['checkbox'])) {
+				// if array has more than one element then success message should be plural.
+				// todo: what about nonce?
+				$success = count($this->_req_data['checkbox']) > 1 ? 2 : 1;
+
+				// cycle through checkboxes
+				while (list($GRP_ID, $value) = each($this->_req_data['checkbox'])) {
+					$trashed_or_restored = $trash ? $MTP->delete_by_ID($GRP_ID) : $MTP->restore_by_ID($GRP_ID);
+					if (! $trashed_or_restored) {
+						$success = 0;
+					}
+				}
+			} else {
+				// grab single GRP_ID and handle
+				$GRP_ID = isset($this->_req_data['id']) ? absint($this->_req_data['id']) : 0;
+				if (! empty($GRP_ID)) {
+					$trashed_or_restored = $trash ? $MTP->delete_by_ID($GRP_ID) : $MTP->restore_by_ID($GRP_ID);
+					if (! $trashed_or_restored) {
+						$success = 0;
+					}
+				} else {
+					$success = 0;
+				}
+			}
+		}
+
+		$action_desc = $trash
+			? esc_html__('moved to the trash', 'event_espresso')
+			: esc_html__('restored', 'event_espresso');
+
+		$action_desc = ! empty($this->_req_data['template_switch']) ? esc_html__('switched', 'event_espresso') : $action_desc;
+
+		$item_desc = $all ? _n(
+			'Message Template Group',
+			'Message Template Groups',
+			$success,
+			'event_espresso'
+		) : _n('Message Template Context', 'Message Template Contexts', $success, 'event_espresso');
+
+		$item_desc = ! empty($this->_req_data['template_switch']) ? _n(
+			'template',
+			'templates',
+			$success,
+			'event_espresso'
+		) : $item_desc;
+
+		$this->_redirect_after_action($success, $item_desc, $action_desc, array());
+	}
+
+
+	/**
+	 * [_delete_message_template]
+	 * NOTE: this handles not only the deletion of the groups but also all the templates belonging to that group.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _delete_message_template()
+	{
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+
+		// checkboxes
+		if (! empty($this->_req_data['checkbox']) && is_array($this->_req_data['checkbox'])) {
+			// if array has more than one element then success message should be plural
+			$success = count($this->_req_data['checkbox']) > 1 ? 2 : 1;
+
+			// cycle through bulk action checkboxes
+			while (list($GRP_ID, $value) = each($this->_req_data['checkbox'])) {
+				$success = $this->_delete_mtp_permanently($GRP_ID);
+			}
+		} else {
+			// grab single grp_id and delete
+			$GRP_ID = absint($this->_req_data['id']);
+			$success = $this->_delete_mtp_permanently($GRP_ID);
+		}
+
+		$this->_redirect_after_action($success, 'Message Templates', 'deleted', array());
+	}
+
+
+	/**
+	 * helper for permanently deleting a mtP group and all related message_templates
+	 *
+	 * @param  int  $GRP_ID        The group being deleted
+	 * @param  bool $include_group whether to delete the Message Template Group as well.
+	 * @return bool boolean to indicate the success of the deletes or not.
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	private function _delete_mtp_permanently($GRP_ID, $include_group = true)
+	{
+		$success = 1;
+		$MTPG = EEM_Message_Template_Group::instance();
+		// first let's GET this group
+		$MTG = $MTPG->get_one_by_ID($GRP_ID);
+		// then delete permanently all the related Message Templates
+		$deleted = $MTG->delete_related_permanently('Message_Template');
+
+		if ($deleted === 0) {
+			$success = 0;
+		}
+
+		// now delete permanently this particular group
+
+		if ($include_group && ! $MTG->delete_permanently()) {
+			$success = 0;
+		}
+
+		return $success;
+	}
+
+
+	/**
+	 *    _learn_more_about_message_templates_link
+	 *
+	 * @access protected
+	 * @return string
+	 */
+	protected function _learn_more_about_message_templates_link()
+	{
+		return '<a class="hidden" style="margin:0 20px; cursor:pointer; font-size:12px;" >'
+			   . esc_html__('learn more about how message templates works', 'event_espresso')
+			   . '</a>';
+	}
+
+
+	/**
+	 * Used for setting up messenger/message type activation.  This loads up the initial view.  The rest is handled by
+	 * ajax and other routes.
+	 *
+	 * @return void
+	 * @throws DomainException
+	 */
+	protected function _settings()
+	{
+
+
+		$this->_set_m_mt_settings();
+
+		$selected_messenger = isset($this->_req_data['selected_messenger'])
+			? $this->_req_data['selected_messenger']
+			: 'email';
+
+		// let's setup the messenger tabs
+		$this->_template_args['admin_page_header'] = EEH_Tabbed_Content::tab_text_links(
+			$this->_m_mt_settings['messenger_tabs'],
+			'messenger_links',
+			'|',
+			$selected_messenger
+		);
+		$this->_template_args['before_admin_page_content'] = '<div class="ui-widget ui-helper-clearfix">';
+		$this->_template_args['after_admin_page_content'] = '</div><!-- end .ui-widget -->';
+
+		$this->display_admin_page_with_sidebar();
+	}
+
+
+	/**
+	 * This sets the $_m_mt_settings property for when needed (used on the Messages settings page)
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws DomainException
+	 */
+	protected function _set_m_mt_settings()
+	{
+		// first if this is already set then lets get out no need to regenerate data.
+		if (! empty($this->_m_mt_settings)) {
+			return;
+		}
+
+		// get all installed messengers and message_types
+		/** @type EE_messenger[] $messengers */
+		$messengers = $this->_message_resource_manager->installed_messengers();
+		/** @type EE_message_type[] $message_types */
+		$message_types = $this->_message_resource_manager->installed_message_types();
+
+
+		// assemble the array for the _tab_text_links helper
+
+		foreach ($messengers as $messenger) {
+			$this->_m_mt_settings['messenger_tabs'][ $messenger->name ] = array(
+				'label' => ucwords($messenger->label['singular']),
+				'class' => $this->_message_resource_manager->is_messenger_active($messenger->name)
+					? 'messenger-active'
+					: '',
+				'href'  => $messenger->name,
+				'title' => esc_html__('Modify this Messenger', 'event_espresso'),
+				'slug'  => $messenger->name,
+				'obj'   => $messenger,
+			);
+
+
+			$message_types_for_messenger = $messenger->get_valid_message_types();
+
+			foreach ($message_types as $message_type) {
+				// first we need to verify that this message type is valid with this messenger. Cause if it isn't then
+				// it shouldn't show in either the inactive OR active metabox.
+				if (! in_array($message_type->name, $message_types_for_messenger, true)) {
+					continue;
+				}
+
+				$a_or_i = $this->_message_resource_manager->is_message_type_active_for_messenger(
+					$messenger->name,
+					$message_type->name
+				)
+					? 'active'
+					: 'inactive';
+
+				$this->_m_mt_settings['message_type_tabs'][ $messenger->name ][ $a_or_i ][ $message_type->name ] = array(
+					'label'    => ucwords($message_type->label['singular']),
+					'class'    => 'message-type-' . $a_or_i,
+					'slug_id'  => $message_type->name . '-messagetype-' . $messenger->name,
+					'mt_nonce' => wp_create_nonce($message_type->name . '_nonce'),
+					'href'     => 'espresso_' . $message_type->name . '_message_type_settings',
+					'title'    => $a_or_i === 'active'
+						? esc_html__('Drag this message type to the Inactive window to deactivate', 'event_espresso')
+						: esc_html__('Drag this message type to the messenger to activate', 'event_espresso'),
+					'content'  => $a_or_i === 'active'
+						? $this->_message_type_settings_content($message_type, $messenger, true)
+						: $this->_message_type_settings_content($message_type, $messenger),
+					'slug'     => $message_type->name,
+					'active'   => $a_or_i === 'active',
+					'obj'      => $message_type,
+				);
+			}
+		}
+	}
+
+
+	/**
+	 * This just prepares the content for the message type settings
+	 *
+	 * @param  EE_message_type $message_type The message type object
+	 * @param  EE_messenger    $messenger    The messenger object
+	 * @param  boolean         $active       Whether the message type is active or not
+	 * @return string html output for the content
+	 * @throws DomainException
+	 */
+	protected function _message_type_settings_content($message_type, $messenger, $active = false)
+	{
+		// get message type fields
+		$fields = $message_type->get_admin_settings_fields();
+		$settings_template_args['template_form_fields'] = '';
+
+		if (! empty($fields) && $active) {
+			$existing_settings = $message_type->get_existing_admin_settings($messenger->name);
+			foreach ($fields as $fldname => $fldprops) {
+				$field_id = $messenger->name . '-' . $message_type->name . '-' . $fldname;
+				$template_form_field[ $field_id ] = array(
+					'name'       => 'message_type_settings[' . $fldname . ']',
+					'label'      => $fldprops['label'],
+					'input'      => $fldprops['field_type'],
+					'type'       => $fldprops['value_type'],
+					'required'   => $fldprops['required'],
+					'validation' => $fldprops['validation'],
+					'value'      => isset($existing_settings[ $fldname ])
+						? $existing_settings[ $fldname ]
+						: $fldprops['default'],
+					'options'    => isset($fldprops['options'])
+						? $fldprops['options']
+						: array(),
+					'default'    => isset($existing_settings[ $fldname ])
+						? $existing_settings[ $fldname ]
+						: $fldprops['default'],
+					'css_class'  => 'no-drag',
+					'format'     => $fldprops['format'],
+				);
+			}
+
+
+			$settings_template_args['template_form_fields'] = ! empty($template_form_field)
+				? $this->_generate_admin_form_fields(
+					$template_form_field,
+					'string',
+					'ee_mt_activate_form'
+				)
+				: '';
+		}
+
+		$settings_template_args['description'] = $message_type->description;
+		// we also need some hidden fields
+		$settings_template_args['hidden_fields'] = array(
+			'message_type_settings[messenger]'    => array(
+				'type'  => 'hidden',
+				'value' => $messenger->name,
+			),
+			'message_type_settings[message_type]' => array(
+				'type'  => 'hidden',
+				'value' => $message_type->name,
+			),
+			'type'                                => array(
+				'type'  => 'hidden',
+				'value' => 'message_type',
+			),
+		);
+
+		$settings_template_args['hidden_fields'] = $this->_generate_admin_form_fields(
+			$settings_template_args['hidden_fields'],
+			'array'
+		);
+		$settings_template_args['show_form'] = empty($settings_template_args['template_form_fields'])
+			? ' hidden'
+			: '';
+
+
+		$template = EE_MSG_TEMPLATE_PATH . 'ee_msg_mt_settings_content.template.php';
+		$content = EEH_Template::display_template($template, $settings_template_args, true);
+
+		return $content;
+	}
+
+
+	/**
+	 * Generate all the metaboxes for the message types and register them for the messages settings page.
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws DomainException
+	 */
+	protected function _messages_settings_metaboxes()
+	{
+		$this->_set_m_mt_settings();
+		$m_boxes = $mt_boxes = array();
+		$m_template_args = $mt_template_args = array();
+
+		$selected_messenger = isset($this->_req_data['selected_messenger'])
+			? $this->_req_data['selected_messenger']
+			: 'email';
+
+		if (isset($this->_m_mt_settings['messenger_tabs'])) {
+			foreach ($this->_m_mt_settings['messenger_tabs'] as $messenger => $tab_array) {
+				$hide_on_message = $this->_message_resource_manager->is_messenger_active($messenger) ? '' : 'hidden';
+				$hide_off_message = $this->_message_resource_manager->is_messenger_active($messenger) ? 'hidden' : '';
+				// messenger meta boxes
+				$active = $selected_messenger === $messenger;
+				$active_mt_tabs = isset(
+					$this->_m_mt_settings['message_type_tabs'][ $messenger ]['active']
+				)
+					? $this->_m_mt_settings['message_type_tabs'][ $messenger ]['active']
+					: '';
+				$m_boxes[ $messenger . '_a_box' ] = sprintf(
+					esc_html__('%s Settings', 'event_espresso'),
+					$tab_array['label']
+				);
+				$m_template_args[ $messenger . '_a_box' ] = array(
+					'active_message_types'   => ! empty($active_mt_tabs) ? $this->_get_mt_tabs($active_mt_tabs) : '',
+					'inactive_message_types' => isset(
+						$this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive']
+					)
+						? $this->_get_mt_tabs($this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive'])
+						: '',
+					'content'                => $this->_get_messenger_box_content($tab_array['obj']),
+					'hidden'                 => $active ? '' : ' hidden',
+					'hide_on_message'        => $hide_on_message,
+					'messenger'              => $messenger,
+					'active'                 => $active,
+				);
+				// message type meta boxes
+				// (which is really just the inactive container for each messenger
+				// showing inactive message types for that messenger)
+				$mt_boxes[ $messenger . '_i_box' ] = esc_html__('Inactive Message Types', 'event_espresso');
+				$mt_template_args[ $messenger . '_i_box' ] = array(
+					'active_message_types'   => ! empty($active_mt_tabs) ? $this->_get_mt_tabs($active_mt_tabs) : '',
+					'inactive_message_types' => isset(
+						$this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive']
+					)
+						? $this->_get_mt_tabs($this->_m_mt_settings['message_type_tabs'][ $messenger ]['inactive'])
+						: '',
+					'hidden'                 => $active ? '' : ' hidden',
+					'hide_on_message'        => $hide_on_message,
+					'hide_off_message'       => $hide_off_message,
+					'messenger'              => $messenger,
+					'active'                 => $active,
+				);
+			}
+		}
+
+
+		// register messenger metaboxes
+		$m_template_path = EE_MSG_TEMPLATE_PATH . 'ee_msg_details_messenger_mt_meta_box.template.php';
+		foreach ($m_boxes as $box => $label) {
+			$callback_args = array('template_path' => $m_template_path, 'template_args' => $m_template_args[ $box ]);
+			$msgr = str_replace('_a_box', '', $box);
+			add_meta_box(
+				'espresso_' . $msgr . '_settings',
+				$label,
+				function ($post, $metabox) {
+					echo EEH_Template::display_template(
+						$metabox["args"]["template_path"],
+						$metabox["args"]["template_args"],
+						true
+					);
+				},
+				$this->_current_screen->id,
+				'normal',
+				'high',
+				$callback_args
+			);
+		}
+
+		// register message type metaboxes
+		$mt_template_path = EE_MSG_TEMPLATE_PATH . 'ee_msg_details_messenger_meta_box.template.php';
+		foreach ($mt_boxes as $box => $label) {
+			$callback_args = array(
+				'template_path' => $mt_template_path,
+				'template_args' => $mt_template_args[ $box ],
+			);
+			$mt = str_replace('_i_box', '', $box);
+			add_meta_box(
+				'espresso_' . $mt . '_inactive_mts',
+				$label,
+				function ($post, $metabox) {
+					echo EEH_Template::display_template(
+						$metabox["args"]["template_path"],
+						$metabox["args"]["template_args"],
+						true
+					);
+				},
+				$this->_current_screen->id,
+				'side',
+				'high',
+				$callback_args
+			);
+		}
+
+		// register metabox for global messages settings but only when on the main site.  On single site installs this
+		// will always result in the metabox showing, on multisite installs the metabox will only show on the main site.
+		if (is_main_site()) {
+			add_meta_box(
+				'espresso_global_message_settings',
+				esc_html__('Global Message Settings', 'event_espresso'),
+				array($this, 'global_messages_settings_metabox_content'),
+				$this->_current_screen->id,
+				'normal',
+				'low',
+				array()
+			);
+		}
+	}
+
+
+	/**
+	 *  This generates the content for the global messages settings metabox.
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function global_messages_settings_metabox_content()
+	{
+		$form = $this->_generate_global_settings_form();
+		echo $form->form_open(
+			$this->add_query_args_and_nonce(array('action' => 'update_global_settings'), EE_MSG_ADMIN_URL),
+			'POST'
+		)
+			 . $form->get_html()
+			 . $form->form_close();
+	}
+
+
+	/**
+	 * This generates and returns the form object for the global messages settings.
+	 *
+	 * @return EE_Form_Section_Proper
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _generate_global_settings_form()
+	{
+		EE_Registry::instance()->load_helper('HTML');
+		/** @var EE_Network_Core_Config $network_config */
+		$network_config = EE_Registry::instance()->NET_CFG->core;
+
+		return new EE_Form_Section_Proper(
+			array(
+				'name'            => 'global_messages_settings',
+				'html_id'         => 'global_messages_settings',
+				'html_class'      => 'form-table',
+				'layout_strategy' => new EE_Admin_Two_Column_Layout(),
+				'subsections'     => apply_filters(
+					'FHEE__Messages_Admin_Page__global_messages_settings_metabox_content__form_subsections',
+					array(
+						'do_messages_on_same_request' => new EE_Select_Input(
+							array(
+								true  => esc_html__("On the same request", "event_espresso"),
+								false => esc_html__("On a separate request", "event_espresso"),
+							),
+							array(
+								'default'         => $network_config->do_messages_on_same_request,
+								'html_label_text' => esc_html__(
+									'Generate and send all messages:',
+									'event_espresso'
+								),
+								'html_help_text'  => esc_html__(
+									'By default the messages system uses a more efficient means of processing messages on separate requests and utilizes the wp-cron scheduling system.  This makes things execute faster for people registering for your events.  However, if the wp-cron system is disabled on your site and there is no alternative in place, then you can change this so messages are always executed on the same request.',
+									'event_espresso'
+								),
+							)
+						),
+						'delete_threshold'            => new EE_Select_Input(
+							array(
+								0  => esc_html__('Forever', 'event_espresso'),
+								3  => esc_html__('3 Months', 'event_espresso'),
+								6  => esc_html__('6 Months', 'event_espresso'),
+								9  => esc_html__('9 Months', 'event_espresso'),
+								12 => esc_html__('12 Months', 'event_espresso'),
+								24 => esc_html__('24 Months', 'event_espresso'),
+								36 => esc_html__('36 Months', 'event_espresso'),
+							),
+							array(
+								'default'         => EE_Registry::instance()->CFG->messages->delete_threshold,
+								'html_label_text' => esc_html__('Cleanup of old messages:', 'event_espresso'),
+								'html_help_text'  => esc_html__(
+									'You can control how long a record of processed messages is kept via this option.',
+									'event_espresso'
+								),
+							)
+						),
+						'update_settings'             => new EE_Submit_Input(
+							array(
+								'default'         => esc_html__('Update', 'event_espresso'),
+								'html_label_text' => '&nbsp',
+							)
+						),
+					)
+				),
+			)
+		);
+	}
+
+
+	/**
+	 * This handles updating the global settings set on the admin page.
+	 *
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 */
+	protected function _update_global_settings()
+	{
+		/** @var EE_Network_Core_Config $network_config */
+		$network_config = EE_Registry::instance()->NET_CFG->core;
+		$messages_config = EE_Registry::instance()->CFG->messages;
+		$form = $this->_generate_global_settings_form();
+		if ($form->was_submitted()) {
+			$form->receive_form_submission();
+			if ($form->is_valid()) {
+				$valid_data = $form->valid_data();
+				foreach ($valid_data as $property => $value) {
+					$setter = 'set_' . $property;
+					if (method_exists($network_config, $setter)) {
+						$network_config->{$setter}($value);
+					} elseif (property_exists($network_config, $property)
+						&& $network_config->{$property} !== $value
+					) {
+						$network_config->{$property} = $value;
+					} elseif (property_exists($messages_config, $property)
+						&& $messages_config->{$property} !== $value
+					) {
+						$messages_config->{$property} = $value;
+					}
+				}
+				// only update if the form submission was valid!
+				EE_Registry::instance()->NET_CFG->update_config(true, false);
+				EE_Registry::instance()->CFG->update_espresso_config();
+				EE_Error::overwrite_success();
+				EE_Error::add_success(__('Global message settings were updated', 'event_espresso'));
+			}
+		}
+		$this->_redirect_after_action(0, '', '', array('action' => 'settings'), true);
+	}
+
+
+	/**
+	 * this prepares the messenger tabs that can be dragged in and out of messenger boxes to activate/deactivate
+	 *
+	 * @param  array $tab_array This is an array of message type tab details used to generate the tabs
+	 * @return string html formatted tabs
+	 * @throws DomainException
+	 */
+	protected function _get_mt_tabs($tab_array)
+	{
+		$tab_array = (array) $tab_array;
+		$template = EE_MSG_TEMPLATE_PATH . 'ee_msg_details_mt_settings_tab_item.template.php';
+		$tabs = '';
+
+		foreach ($tab_array as $tab) {
+			$tabs .= EEH_Template::display_template($template, $tab, true);
+		}
+
+		return $tabs;
+	}
+
+
+	/**
+	 * This prepares the content of the messenger meta box admin settings
+	 *
+	 * @param  EE_messenger $messenger The messenger we're setting up content for
+	 * @return string html formatted content
+	 * @throws DomainException
+	 */
+	protected function _get_messenger_box_content(EE_messenger $messenger)
+	{
+
+		$fields = $messenger->get_admin_settings_fields();
+		$settings_template_args['template_form_fields'] = '';
+
+		// is $messenger active?
+		$settings_template_args['active'] = $this->_message_resource_manager->is_messenger_active($messenger->name);
+
+
+		if (! empty($fields)) {
+			$existing_settings = $messenger->get_existing_admin_settings();
+
+			foreach ($fields as $fldname => $fldprops) {
+				$field_id = $messenger->name . '-' . $fldname;
+				$template_form_field[ $field_id ] = array(
+					'name'       => 'messenger_settings[' . $field_id . ']',
+					'label'      => $fldprops['label'],
+					'input'      => $fldprops['field_type'],
+					'type'       => $fldprops['value_type'],
+					'required'   => $fldprops['required'],
+					'validation' => $fldprops['validation'],
+					'value'      => isset($existing_settings[ $field_id ])
+						? $existing_settings[ $field_id ]
+						: $fldprops['default'],
+					'css_class'  => '',
+					'format'     => $fldprops['format'],
+				);
+			}
+
+
+			$settings_template_args['template_form_fields'] = ! empty($template_form_field)
+				? $this->_generate_admin_form_fields($template_form_field, 'string', 'ee_m_activate_form')
+				: '';
+		}
+
+		// we also need some hidden fields
+		$settings_template_args['hidden_fields'] = array(
+			'messenger_settings[messenger]' => array(
+				'type'  => 'hidden',
+				'value' => $messenger->name,
+			),
+			'type'                          => array(
+				'type'  => 'hidden',
+				'value' => 'messenger',
+			),
+		);
+
+		// make sure any active message types that are existing are included in the hidden fields
+		if (isset($this->_m_mt_settings['message_type_tabs'][ $messenger->name ]['active'])) {
+			foreach ($this->_m_mt_settings['message_type_tabs'][ $messenger->name ]['active'] as $mt => $values) {
+				$settings_template_args['hidden_fields'][ 'messenger_settings[message_types][' . $mt . ']' ] = array(
+					'type'  => 'hidden',
+					'value' => $mt,
+				);
+			}
+		}
+		$settings_template_args['hidden_fields'] = $this->_generate_admin_form_fields(
+			$settings_template_args['hidden_fields'],
+			'array'
+		);
+		$active = $this->_message_resource_manager->is_messenger_active($messenger->name);
+
+		$settings_template_args['messenger'] = $messenger->name;
+		$settings_template_args['description'] = $messenger->description;
+		$settings_template_args['show_hide_edit_form'] = $active ? '' : ' hidden';
+
+
+		$settings_template_args['show_hide_edit_form'] = $this->_message_resource_manager->is_messenger_active(
+			$messenger->name
+		)
+			? $settings_template_args['show_hide_edit_form']
+			: ' hidden';
+
+		$settings_template_args['show_hide_edit_form'] = empty($settings_template_args['template_form_fields'])
+			? ' hidden'
+			: $settings_template_args['show_hide_edit_form'];
+
+
+		$settings_template_args['on_off_action'] = $active ? 'messenger-off' : 'messenger-on';
+		$settings_template_args['nonce'] = wp_create_nonce('activate_' . $messenger->name . '_toggle_nonce');
+		$settings_template_args['on_off_status'] = $active ? true : false;
+		$template = EE_MSG_TEMPLATE_PATH . 'ee_msg_m_settings_content.template.php';
+		$content = EEH_Template::display_template(
+			$template,
+			$settings_template_args,
+			true
+		);
+
+		return $content;
+	}
+
+
+	/**
+	 * used by ajax on the messages settings page to activate|deactivate the messenger
+	 *
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 */
+	public function activate_messenger_toggle()
+	{
+		$success = true;
+		$this->_prep_default_response_for_messenger_or_message_type_toggle();
+		// let's check that we have required data
+		if (! isset($this->_req_data['messenger'])) {
+			EE_Error::add_error(
+				esc_html__('Messenger name needed to toggle activation. None given', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+		// do a nonce check here since we're not arriving via a normal route
+		$nonce = isset($this->_req_data['activate_nonce'])
+			? sanitize_text_field($this->_req_data['activate_nonce'])
+			: '';
+		$nonce_ref = 'activate_' . $this->_req_data['messenger'] . '_toggle_nonce';
+
+		$this->_verify_nonce($nonce, $nonce_ref);
+
+
+		if (! isset($this->_req_data['status'])) {
+			EE_Error::add_error(
+				esc_html__(
+					'Messenger status needed to know whether activation or deactivation is happening. No status is given',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+		// do check to verify we have a valid status.
+		$status = $this->_req_data['status'];
+
+		if ($status !== 'off' && $status !== 'on') {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__('The given status (%s) is not valid. Must be "off" or "on"', 'event_espresso'),
+					$this->_req_data['status']
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+		if ($success) {
+			// made it here?  Stop dawdling then!!
+			$success = $status === 'off'
+				? $this->_deactivate_messenger($this->_req_data['messenger'])
+				: $this->_activate_messenger($this->_req_data['messenger']);
+		}
+
+		$this->_template_args['success'] = $success;
+
+		// no special instructions so let's just do the json return (which should automatically do all the special stuff).
+		$this->_return_json();
+	}
+
+
+	/**
+	 * used by ajax from the messages settings page to activate|deactivate a message type
+	 *
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 */
+	public function activate_mt_toggle()
+	{
+		$success = true;
+		$this->_prep_default_response_for_messenger_or_message_type_toggle();
+
+		// let's make sure we have the necessary data
+		if (! isset($this->_req_data['message_type'])) {
+			EE_Error::add_error(
+				esc_html__('Message Type name needed to toggle activation. None given', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+		if (! isset($this->_req_data['messenger'])) {
+			EE_Error::add_error(
+				esc_html__('Messenger name needed to toggle activation. None given', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+		if (! isset($this->_req_data['status'])) {
+			EE_Error::add_error(
+				esc_html__(
+					'Messenger status needed to know whether activation or deactivation is happening. No status is given',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+
+		// do check to verify we have a valid status.
+		$status = $this->_req_data['status'];
+
+		if ($status !== 'activate' && $status !== 'deactivate') {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__('The given status (%s) is not valid. Must be "active" or "inactive"', 'event_espresso'),
+					$this->_req_data['status']
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$success = false;
+		}
+
+
+		// do a nonce check here since we're not arriving via a normal route
+		$nonce = isset($this->_req_data['mt_nonce']) ? sanitize_text_field($this->_req_data['mt_nonce']) : '';
+		$nonce_ref = $this->_req_data['message_type'] . '_nonce';
+
+		$this->_verify_nonce($nonce, $nonce_ref);
+
+		if ($success) {
+			// made it here? um, what are you waiting for then?
+			$success = $status === 'deactivate'
+				? $this->_deactivate_message_type_for_messenger(
+					$this->_req_data['messenger'],
+					$this->_req_data['message_type']
+				)
+				: $this->_activate_message_type_for_messenger(
+					$this->_req_data['messenger'],
+					$this->_req_data['message_type']
+				);
+		}
+
+		$this->_template_args['success'] = $success;
+		$this->_return_json();
+	}
+
+
+	/**
+	 * Takes care of processing activating a messenger and preparing the appropriate response.
+	 *
+	 * @param string $messenger_name The name of the messenger being activated
+	 * @return bool
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _activate_messenger($messenger_name)
+	{
+		/** @var EE_messenger $active_messenger This will be present because it can't be toggled if it isn't */
+		$active_messenger = $this->_message_resource_manager->get_messenger($messenger_name);
+		$message_types_to_activate = $active_messenger instanceof EE_Messenger
+			? $active_messenger->get_default_message_types()
+			: array();
+
+		// ensure is active
+		$this->_message_resource_manager->activate_messenger($messenger_name, $message_types_to_activate);
+
+		// set response_data for reload
+		foreach ($message_types_to_activate as $message_type_name) {
+			/** @var EE_message_type $message_type */
+			$message_type = $this->_message_resource_manager->get_message_type($message_type_name);
+			if ($this->_message_resource_manager->is_message_type_active_for_messenger(
+				$messenger_name,
+				$message_type_name
+			)
+				&& $message_type instanceof EE_message_type
+			) {
+				$this->_template_args['data']['active_mts'][] = $message_type_name;
+				if ($message_type->get_admin_settings_fields()) {
+					$this->_template_args['data']['mt_reload'][] = $message_type_name;
+				}
+			}
+		}
+
+		// add success message for activating messenger
+		return $this->_setup_response_message_for_activating_messenger_with_message_types($active_messenger);
+	}
+
+
+	/**
+	 * Takes care of processing deactivating a messenger and preparing the appropriate response.
+	 *
+	 * @param string $messenger_name The name of the messenger being activated
+	 * @return bool
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _deactivate_messenger($messenger_name)
+	{
+		/** @var EE_messenger $active_messenger This will be present because it can't be toggled if it isn't */
+		$active_messenger = $this->_message_resource_manager->get_messenger($messenger_name);
+		$this->_message_resource_manager->deactivate_messenger($messenger_name);
+
+		return $this->_setup_response_message_for_deactivating_messenger_with_message_types($active_messenger);
+	}
+
+
+	/**
+	 * Takes care of processing activating a message type for a messenger and preparing the appropriate response.
+	 *
+	 * @param string $messenger_name    The name of the messenger the message type is being activated for.
+	 * @param string $message_type_name The name of the message type being activated for the messenger
+	 * @return bool
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _activate_message_type_for_messenger($messenger_name, $message_type_name)
+	{
+		/** @var EE_messenger $active_messenger This will be present because it can't be toggled if it isn't */
+		$active_messenger = $this->_message_resource_manager->get_messenger($messenger_name);
+		/** @var EE_message_type $message_type_to_activate This will be present because it can't be toggled if it isn't */
+		$message_type_to_activate = $this->_message_resource_manager->get_message_type($message_type_name);
+
+		// ensure is active
+		$this->_message_resource_manager->activate_messenger($messenger_name, $message_type_name);
+
+		// set response for load
+		if ($this->_message_resource_manager->is_message_type_active_for_messenger(
+			$messenger_name,
+			$message_type_name
+		)
+		) {
+			$this->_template_args['data']['active_mts'][] = $message_type_name;
+			if ($message_type_to_activate->get_admin_settings_fields()) {
+				$this->_template_args['data']['mt_reload'][] = $message_type_name;
+			}
+		}
+
+		return $this->_setup_response_message_for_activating_messenger_with_message_types(
+			$active_messenger,
+			$message_type_to_activate
+		);
+	}
+
+
+	/**
+	 * Takes care of processing deactivating a message type for a messenger and preparing the appropriate response.
+	 *
+	 * @param string $messenger_name    The name of the messenger the message type is being deactivated for.
+	 * @param string $message_type_name The name of the message type being deactivated for the messenger
+	 * @return bool
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _deactivate_message_type_for_messenger($messenger_name, $message_type_name)
+	{
+		/** @var EE_messenger $active_messenger This will be present because it can't be toggled if it isn't */
+		$active_messenger = $this->_message_resource_manager->get_messenger($messenger_name);
+		/** @var EE_message_type $message_type_to_activate This will be present because it can't be toggled if it isn't */
+		$message_type_to_deactivate = $this->_message_resource_manager->get_message_type($message_type_name);
+		$this->_message_resource_manager->deactivate_message_type_for_messenger($message_type_name, $messenger_name);
+
+		return $this->_setup_response_message_for_deactivating_messenger_with_message_types(
+			$active_messenger,
+			$message_type_to_deactivate
+		);
+	}
+
+
+	/**
+	 * This just initializes the defaults for activating messenger and message type responses.
+	 */
+	protected function _prep_default_response_for_messenger_or_message_type_toggle()
+	{
+		$this->_template_args['data']['active_mts'] = array();
+		$this->_template_args['data']['mt_reload'] = array();
+	}
+
+
+	/**
+	 * Setup appropriate response for activating a messenger and/or message types
+	 *
+	 * @param EE_messenger         $messenger
+	 * @param EE_message_type|null $message_type
+	 * @return bool
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _setup_response_message_for_activating_messenger_with_message_types(
+		$messenger,
+		EE_Message_Type $message_type = null
+	) {
+		// if $messenger isn't a valid messenger object then get out.
+		if (! $messenger instanceof EE_Messenger) {
+			EE_Error::add_error(
+				esc_html__('The messenger being activated is not a valid messenger', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+
+			return false;
+		}
+		// activated
+		if ($this->_template_args['data']['active_mts']) {
+			EE_Error::overwrite_success();
+			// activated a message type with the messenger
+			if ($message_type instanceof EE_message_type) {
+				EE_Error::add_success(
+					sprintf(
+						esc_html__(
+							'%s message type has been successfully activated with the %s messenger',
+							'event_espresso'
+						),
+						ucwords($message_type->label['singular']),
+						ucwords($messenger->label['singular'])
+					)
+				);
+
+				// if message type was invoice then let's make sure we activate the invoice payment method.
+				if ($message_type->name === 'invoice') {
+					EE_Registry::instance()->load_lib('Payment_Method_Manager');
+					$pm = EE_Payment_Method_Manager::instance()->activate_a_payment_method_of_type('Invoice');
+					if ($pm instanceof EE_Payment_Method) {
+						EE_Error::add_attention(
+							esc_html__(
+								'Activating the invoice message type also automatically activates the invoice payment method.  If you do not wish the invoice payment method to be active, or to change its settings, visit the payment method admin page.',
+								'event_espresso'
+							)
+						);
+					}
+				}
+				// just toggles the entire messenger
+			} else {
+				EE_Error::add_success(
+					sprintf(
+						esc_html__('%s messenger has been successfully activated', 'event_espresso'),
+						ucwords($messenger->label['singular'])
+					)
+				);
+			}
+
+			return true;
+
+			// possible error condition. This will happen when our active_mts data is empty because it is validated for actual active
+			// message types after the activation process.  However its possible some messengers don't HAVE any default_message_types
+			// in which case we just give a success message for the messenger being successfully activated.
+		} else {
+			if (! $messenger->get_default_message_types()) {
+				// messenger doesn't have any default message types so still a success.
+				EE_Error::add_success(
+					sprintf(
+						esc_html__('%s messenger was successfully activated.', 'event_espresso'),
+						ucwords($messenger->label['singular'])
+					)
+				);
+
+				return true;
+			} else {
+				EE_Error::add_error(
+					$message_type instanceof EE_message_type
+						? sprintf(
+							esc_html__(
+								'%s message type was not successfully activated with the %s messenger',
+								'event_espresso'
+							),
+							ucwords($message_type->label['singular']),
+							ucwords($messenger->label['singular'])
+						)
+						: sprintf(
+							esc_html__('%s messenger was not successfully activated', 'event_espresso'),
+							ucwords($messenger->label['singular'])
+						),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+
+				return false;
+			}
+		}
+	}
+
+
+	/**
+	 * This sets up the appropriate response for deactivating a messenger and/or message type.
+	 *
+	 * @param EE_messenger         $messenger
+	 * @param EE_message_type|null $message_type
+	 * @return bool
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _setup_response_message_for_deactivating_messenger_with_message_types(
+		$messenger,
+		EE_message_type $message_type = null
+	) {
+		EE_Error::overwrite_success();
+
+		// if $messenger isn't a valid messenger object then get out.
+		if (! $messenger instanceof EE_Messenger) {
+			EE_Error::add_error(
+				esc_html__('The messenger being deactivated is not a valid messenger', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+
+			return false;
+		}
+
+		if ($message_type instanceof EE_message_type) {
+			$message_type_name = $message_type->name;
+			EE_Error::add_success(
+				sprintf(
+					esc_html__(
+						'%s message type has been successfully deactivated for the %s messenger.',
+						'event_espresso'
+					),
+					ucwords($message_type->label['singular']),
+					ucwords($messenger->label['singular'])
+				)
+			);
+		} else {
+			$message_type_name = '';
+			EE_Error::add_success(
+				sprintf(
+					esc_html__('%s messenger has been successfully deactivated.', 'event_espresso'),
+					ucwords($messenger->label['singular'])
+				)
+			);
+		}
+
+		// if messenger was html or message type was invoice then let's make sure we deactivate invoice payment method.
+		if ($messenger->name === 'html' || $message_type_name === 'invoice') {
+			EE_Registry::instance()->load_lib('Payment_Method_Manager');
+			$count_updated = EE_Payment_Method_Manager::instance()->deactivate_payment_method('invoice');
+			if ($count_updated > 0) {
+				$msg = $message_type_name === 'invoice'
+					? esc_html__(
+						'Deactivating the invoice message type also automatically deactivates the invoice payment method. In order for invoices to be generated the invoice message type must be active. If you completed this action by mistake, simply reactivate the invoice message type and then visit the payment methods admin page to reactivate the invoice payment method.',
+						'event_espresso'
+					)
+					: esc_html__(
+						'Deactivating the html messenger also automatically deactivates the invoice payment method.  In order for invoices to be generated the html messenger must be be active.  If you completed this action by mistake, simply reactivate the html messenger, then visit the payment methods admin page to reactivate the invoice payment method.',
+						'event_espresso'
+					);
+				EE_Error::add_attention($msg);
+			}
+		}
+
+		return true;
+	}
+
+
+	/**
+	 * handles updating a message type form on messenger activation IF the message type has settings fields. (via ajax)
+	 *
+	 * @throws DomainException
+	 */
+	public function update_mt_form()
+	{
+		if (! isset($this->_req_data['messenger']) || ! isset($this->_req_data['message_type'])) {
+			EE_Error::add_error(
+				esc_html__('Require message type or messenger to send an updated form', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$this->_return_json();
+		}
+
+		$message_types = $this->get_installed_message_types();
+
+		$message_type = $message_types[ $this->_req_data['message_type'] ];
+		$messenger = $this->_message_resource_manager->get_active_messenger($this->_req_data['messenger']);
+
+		$content = $this->_message_type_settings_content(
+			$message_type,
+			$messenger,
+			true
+		);
+		$this->_template_args['success'] = true;
+		$this->_template_args['content'] = $content;
+		$this->_return_json();
+	}
+
+
+	/**
+	 * this handles saving the settings for a messenger or message type
+	 *
+	 */
+	public function save_settings()
+	{
+		if (! isset($this->_req_data['type'])) {
+			EE_Error::add_error(
+				esc_html__(
+					'Cannot save settings because type is unknown (messenger settings or messsage type settings?)',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$this->_template_args['error'] = true;
+			$this->_return_json();
+		}
+
+
+		if ($this->_req_data['type'] === 'messenger') {
+			// this should be an array.
+			$settings = $this->_req_data['messenger_settings'];
+			$messenger = $settings['messenger'];
+			// let's setup the settings data
+			foreach ($settings as $key => $value) {
+				switch ($key) {
+					case 'messenger':
+						unset($settings['messenger']);
+						break;
+					case 'message_types':
+						unset($settings['message_types']);
+						break;
+					default:
+						$settings[ $key ] = $value;
+						break;
+				}
+			}
+			$this->_message_resource_manager->add_settings_for_messenger($messenger, $settings);
+		} elseif ($this->_req_data['type'] === 'message_type') {
+			$settings = $this->_req_data['message_type_settings'];
+			$messenger = $settings['messenger'];
+			$message_type = $settings['message_type'];
+
+			foreach ($settings as $key => $value) {
+				switch ($key) {
+					case 'messenger':
+						unset($settings['messenger']);
+						break;
+					case 'message_type':
+						unset($settings['message_type']);
+						break;
+					default:
+						$settings[ $key ] = $value;
+						break;
+				}
+			}
+
+			$this->_message_resource_manager->add_settings_for_message_type($messenger, $message_type, $settings);
+		}
+
+		// okay we should have the data all setup.  Now we just update!
+		$success = $this->_message_resource_manager->update_active_messengers_option();
+
+		if ($success) {
+			EE_Error::add_success(__('Settings updated', 'event_espresso'));
+		} else {
+			EE_Error::add_error(
+				esc_html__(
+					'Settings did not get updated',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+
+		$this->_template_args['success'] = $success;
+		$this->_return_json();
+	}
+
+
+
+
+	/**  EE MESSAGE PROCESSING ACTIONS **/
+
+
+	/**
+	 * This immediately generates any EE_Message ID's that are selected that are EEM_Message::status_incomplete
+	 * However, this does not send immediately, it just queues for sending.
+	 *
+	 * @since 4.9.0
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 */
+	protected function _generate_now()
+	{
+		EED_Messages::generate_now($this->_get_msg_ids_from_request());
+		$this->_redirect_after_action(false, '', '', array(), true);
+	}
+
+
+	/**
+	 * This immediately generates AND sends any EE_Message's selected that are EEM_Message::status_incomplete or that
+	 * are EEM_Message::status_resend or EEM_Message::status_idle
+	 *
+	 * @since 4.9.0
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 */
+	protected function _generate_and_send_now()
+	{
+		EED_Messages::generate_and_send_now($this->_get_msg_ids_from_request());
+		$this->_redirect_after_action(false, '', '', array(), true);
+	}
+
+
+	/**
+	 * This queues any EEM_Message::status_sent EE_Message ids in the request for resending.
+	 *
+	 * @since 4.9.0
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 */
+	protected function _queue_for_resending()
+	{
+		EED_Messages::queue_for_resending($this->_get_msg_ids_from_request());
+		$this->_redirect_after_action(false, '', '', array(), true);
+	}
+
+
+	/**
+	 *  This sends immediately any EEM_Message::status_idle or EEM_Message::status_resend messages in the queue
+	 *
+	 * @since 4.9.0
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 */
+	protected function _send_now()
+	{
+		EED_Messages::send_now($this->_get_msg_ids_from_request());
+		$this->_redirect_after_action(false, '', '', array(), true);
+	}
+
+
+	/**
+	 * Deletes EE_messages for IDs in the request.
+	 *
+	 * @since 4.9.0
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 */
+	protected function _delete_ee_messages()
+	{
+		$msg_ids = $this->_get_msg_ids_from_request();
+		$deleted_count = 0;
+		foreach ($msg_ids as $msg_id) {
+			if (EEM_Message::instance()->delete_by_ID($msg_id)) {
+				$deleted_count++;
+			}
+		}
+		if ($deleted_count) {
+			EE_Error::add_success(
+				esc_html(
+					_n(
+						'Message successfully deleted',
+						'Messages successfully deleted',
+						$deleted_count,
+						'event_espresso'
+					)
+				)
+			);
+			$this->_redirect_after_action(
+				false,
+				'',
+				'',
+				array(),
+				true
+			);
+		} else {
+			EE_Error::add_error(
+				_n('The message was not deleted.', 'The messages were not deleted', count($msg_ids), 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			$this->_redirect_after_action(false, '', '', array(), true);
+		}
+	}
+
+
+	/**
+	 *  This looks for 'MSG_ID' key in the request and returns an array of MSG_ID's if present.
+	 *
+	 * @since 4.9.0
+	 * @return array
+	 */
+	protected function _get_msg_ids_from_request()
+	{
+		if (! isset($this->_req_data['MSG_ID'])) {
+			return array();
+		}
+
+		return is_array($this->_req_data['MSG_ID'])
+			? array_keys($this->_req_data['MSG_ID'])
+			: array($this->_req_data['MSG_ID']);
+	}
 }

core/libraries/messages/EE_messenger.lib.php

Indentation +733 added lines, -733 removed lines

@@ -18,182 +18,182 @@ 
 
 
 
-    /**
-     * This property holds the default message types associated with this messenger when it is activated. The values of the array must match a valid message type.
-     * This property gets set by the _set_default_message_types() method.
-     *
-     * @var array
-     */
-    protected $_default_message_types = array();
+	/**
+	 * This property holds the default message types associated with this messenger when it is activated. The values of the array must match a valid message type.
+	 * This property gets set by the _set_default_message_types() method.
+	 *
+	 * @var array
+	 */
+	protected $_default_message_types = array();
 
 
 
 
-    /**
-     * This property holds the message types that are valid for use with this messenger.
-     * It gets set by the _set_valid_message_types() method.
-     *
-     * @var array
-     */
-    protected $_valid_message_types = array();
+	/**
+	 * This property holds the message types that are valid for use with this messenger.
+	 * It gets set by the _set_valid_message_types() method.
+	 *
+	 * @var array
+	 */
+	protected $_valid_message_types = array();
 
 
 
-    /**
-     * Holds the configuration for the EE_Messages_Validator class to know how to validated the different fields. Note that the Validator will match each field here with the allowed shortcodes set in the "valid_shortcodes" array for the matched message type context.  So message types don't need to set a $_validator_config property.
-     *
-     * Remember, ALL fields must be declared in this array.  However, an empty value for the field means that the field will accept all valid shortcodes set for the given context in the message type (by default).
-     *
-     * Array should be in this format:
-     *
-     * array(
-     *  'field_name(i.e.to)' => array(
-     *      'shortcodes' => array('email'), //an array of shortcode groups (correspond to EE_Shortcodes library class) that are allowed in the field. Typically you can just include $this->_valid_shortcodes['field_name'] as the value here (because they will match).
-     *      'specific_shortcodes' => array( array('[EVENT_AUTHOR_EMAIL]' => __('Admin Email', 'event_espresso')), //if this index is present you can further restrict the field to ONLY specific shortcodes if an entire group isn't sufficient. Specific shortcodes need to be listed as an array with the index the shortcode and the value = the label.
-     *      'type' => 'email' //this is the field type and should match one of the validator types (see EE_Messages_Validator::validator() for all the possible types).  If not required you can just leave empty.,
-     *      'required' => array'[SHORTCODE]') //this is used to indicate the shortcodes that MUST be in the assembled array of shortcodes by the validator in order for this field to be included in validation.  Otherwise the validator will always assign shortcodes for this field (regardless of whether the field settings for the given messenger/message_type/context use the field or not.).. please note, this does NOT mean that the shortcodes listed here MUST be in the given field.
-     *  )
-     * )
-     *
-     * @var array
-     */
-    protected $_validator_config = array();
+	/**
+	 * Holds the configuration for the EE_Messages_Validator class to know how to validated the different fields. Note that the Validator will match each field here with the allowed shortcodes set in the "valid_shortcodes" array for the matched message type context.  So message types don't need to set a $_validator_config property.
+	 *
+	 * Remember, ALL fields must be declared in this array.  However, an empty value for the field means that the field will accept all valid shortcodes set for the given context in the message type (by default).
+	 *
+	 * Array should be in this format:
+	 *
+	 * array(
+	 *  'field_name(i.e.to)' => array(
+	 *      'shortcodes' => array('email'), //an array of shortcode groups (correspond to EE_Shortcodes library class) that are allowed in the field. Typically you can just include $this->_valid_shortcodes['field_name'] as the value here (because they will match).
+	 *      'specific_shortcodes' => array( array('[EVENT_AUTHOR_EMAIL]' => __('Admin Email', 'event_espresso')), //if this index is present you can further restrict the field to ONLY specific shortcodes if an entire group isn't sufficient. Specific shortcodes need to be listed as an array with the index the shortcode and the value = the label.
+	 *      'type' => 'email' //this is the field type and should match one of the validator types (see EE_Messages_Validator::validator() for all the possible types).  If not required you can just leave empty.,
+	 *      'required' => array'[SHORTCODE]') //this is used to indicate the shortcodes that MUST be in the assembled array of shortcodes by the validator in order for this field to be included in validation.  Otherwise the validator will always assign shortcodes for this field (regardless of whether the field settings for the given messenger/message_type/context use the field or not.).. please note, this does NOT mean that the shortcodes listed here MUST be in the given field.
+	 *  )
+	 * )
+	 *
+	 * @var array
+	 */
+	protected $_validator_config = array();
 
 
 
-    /**
-     * This will hold the EEM_message_templates model for interacting with the database and retrieving active templates for the messenger
-     * @var object
-     */
-    protected $_EEM_data;
+	/**
+	 * This will hold the EEM_message_templates model for interacting with the database and retrieving active templates for the messenger
+	 * @var object
+	 */
+	protected $_EEM_data;
 
 
 
-    /**
-     * this property just holds an array of the various template refs.
-     * @var array
-     */
-    protected $_template_fields = array();
+	/**
+	 * this property just holds an array of the various template refs.
+	 * @var array
+	 */
+	protected $_template_fields = array();
 
 
 
 
-    /**
-     * This holds an array of the arguments used in parsing a template for the sender.
-     * @var array
-     */
-    protected $_template_args = array();
+	/**
+	 * This holds an array of the arguments used in parsing a template for the sender.
+	 * @var array
+	 */
+	protected $_template_args = array();
 
 
 
 
 
 
-    /**
-     * This property will hold the configuration for any test settings fields that are required for the "test" button that is used to trigger an actual test of this messenger
-     *
-     * @protected
-     * @var array
-     */
-    protected $_test_settings_fields = array();
+	/**
+	 * This property will hold the configuration for any test settings fields that are required for the "test" button that is used to trigger an actual test of this messenger
+	 *
+	 * @protected
+	 * @var array
+	 */
+	protected $_test_settings_fields = array();
 
 
 
 
 
 
-    /**
-     * This will hold the EE_Messages_Template_Pack object when set on the messenger.  This is set via the validate and setup method which grabs the template pack from the incoming messages object.
-     *
-     * @since 4.5.0
-     *
-     * @var EE_Messages_Template_Pack
-     */
-    protected $_tmp_pack;
+	/**
+	 * This will hold the EE_Messages_Template_Pack object when set on the messenger.  This is set via the validate and setup method which grabs the template pack from the incoming messages object.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @var EE_Messages_Template_Pack
+	 */
+	protected $_tmp_pack;
 
 
 
 
-    /**
-     * This will hold the variation to use when performing a send.  It is set via the validate and setup method which grabs the variation from the incoming messages object on the send method.
-     *
-     * @since 4.5.0
-     *
-     * @var string
-     */
-    protected $_variation;
+	/**
+	 * This will hold the variation to use when performing a send.  It is set via the validate and setup method which grabs the variation from the incoming messages object on the send method.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @var string
+	 */
+	protected $_variation;
 
 
 
 
 
-    /**
-     * This property is a stdClass that holds labels for all the various supporting properties for this messenger.  These labels are set via the _set_supports_labels() method in children classes. Initially this will include the label for:
-     *
-     *  - template pack
-     *  - template variation
-     *
-     * @since 4.5.0
-     *
-     * @var stdClass
-     */
-    protected $_supports_labels;
+	/**
+	 * This property is a stdClass that holds labels for all the various supporting properties for this messenger.  These labels are set via the _set_supports_labels() method in children classes. Initially this will include the label for:
+	 *
+	 *  - template pack
+	 *  - template variation
+	 *
+	 * @since 4.5.0
+	 *
+	 * @var stdClass
+	 */
+	protected $_supports_labels;
 
 
 
 
 
-    /**
-     * This property is set when the send_message() method is called and holds the Message Type used to generate templates with this messenger for the messages.
-     *
-     * @var EE_message_type
-     */
-    protected $_incoming_message_type;
+	/**
+	 * This property is set when the send_message() method is called and holds the Message Type used to generate templates with this messenger for the messages.
+	 *
+	 * @var EE_message_type
+	 */
+	protected $_incoming_message_type;
 
 
 
-    /**
-     * This flag sets whether a messenger is activated by default  on installation (or reactivation) of EE core or not.
-     *
-     * @var bool
-     */
-    public $activate_on_install = false;
+	/**
+	 * This flag sets whether a messenger is activated by default  on installation (or reactivation) of EE core or not.
+	 *
+	 * @var bool
+	 */
+	public $activate_on_install = false;
 
 
 
 
 
-    public function __construct()
-    {
-        $this->_EEM_data = EEM_Message_Template_Group::instance();
-        $this->_messages_item_type = 'messenger';
+	public function __construct()
+	{
+		$this->_EEM_data = EEM_Message_Template_Group::instance();
+		$this->_messages_item_type = 'messenger';
 
-        parent::__construct();
+		parent::__construct();
 
-        $this->_set_test_settings_fields();
-        $this->_set_template_fields();
-        $this->_set_default_message_types();
-        $this->_set_valid_message_types();
-        $this->_set_validator_config();
+		$this->_set_test_settings_fields();
+		$this->_set_template_fields();
+		$this->_set_default_message_types();
+		$this->_set_valid_message_types();
+		$this->_set_validator_config();
 
 
-        $this->_supports_labels = new stdClass();
-        $this->_set_supports_labels();
-    }
+		$this->_supports_labels = new stdClass();
+		$this->_set_supports_labels();
+	}
 
 
 
 
 
-    /**
-     * _set_template_fields
-     * This sets up the fields that a messenger requires for the message to go out.
-     *
-     * @abstract
-     * @access  protected
-     * @return void
-     */
-    abstract protected function _set_template_fields();
+	/**
+	 * _set_template_fields
+	 * This sets up the fields that a messenger requires for the message to go out.
+	 *
+	 * @abstract
+	 * @access  protected
+	 * @return void
+	 */
+	abstract protected function _set_template_fields();
 
 
 
@@ -203,14 +203,14 @@ 
 
 
 
-    /**
-     * This method sets the _default_message_type property (see definition in docs attached to property)
-     *
-     * @abstract
-     * @access protected
-     * @return void
-     */
-    abstract protected function _set_default_message_types();
+	/**
+	 * This method sets the _default_message_type property (see definition in docs attached to property)
+	 *
+	 * @abstract
+	 * @access protected
+	 * @return void
+	 */
+	abstract protected function _set_default_message_types();
 
 
 
@@ -218,15 +218,15 @@ 
 
 
 
-    /**
-     * Sets the _valid_message_types property (see definition in cods attached to property)
-     *
-     * @since 4.5.0
-     *
-     * @abstract
-     * @return void
-     */
-    abstract protected function _set_valid_message_types();
+	/**
+	 * Sets the _valid_message_types property (see definition in cods attached to property)
+	 *
+	 * @since 4.5.0
+	 *
+	 * @abstract
+	 * @return void
+	 */
+	abstract protected function _set_valid_message_types();
 
 
 
@@ -234,171 +234,171 @@ 
 
 
 
-    /**
-     * Child classes must declare the $_validator_config property using this method.
-     * See comments for $_validator_config for details on what it is used for.
-     *
-     * NOTE:  messengers should set an array of valid shortcodes for ALL scenarios.  The corresponding validator class (validators/{messenger}) can be used to restrict only certain shortcodes per template so users cannot add certain shortcodes.
-     *
-     * @access protected
-     * @return void
-     */
-    abstract protected function _set_validator_config();
+	/**
+	 * Child classes must declare the $_validator_config property using this method.
+	 * See comments for $_validator_config for details on what it is used for.
+	 *
+	 * NOTE:  messengers should set an array of valid shortcodes for ALL scenarios.  The corresponding validator class (validators/{messenger}) can be used to restrict only certain shortcodes per template so users cannot add certain shortcodes.
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	abstract protected function _set_validator_config();
 
 
 
 
 
 
-    /**
-     * We just deliver the messages don't kill us!!  This method will need to be modified by child classes for whatever action is taken to actually send a message.
-     *
-     * @return bool|WP_Error
-     * @throw \Exception
-     */
-    abstract protected function _send_message();
+	/**
+	 * We just deliver the messages don't kill us!!  This method will need to be modified by child classes for whatever action is taken to actually send a message.
+	 *
+	 * @return bool|WP_Error
+	 * @throw \Exception
+	 */
+	abstract protected function _send_message();
 
 
 
 
-    /**
-     * We give you pretty previews of the messages!
-     * @return string html body for message content.
-     */
-    abstract protected function _preview();
+	/**
+	 * We give you pretty previews of the messages!
+	 * @return string html body for message content.
+	 */
+	abstract protected function _preview();
 
 
 
 
-    /**
-     * Used by messengers (or preview) for enqueueing any scripts or styles need in message generation.
-     *
-     * @since 4.5.0
-     *
-     * @return void
-     */
-    public function enqueue_scripts_styles()
-    {
-        do_action('AHEE__EE_messenger__enqueue_scripts_styles');
-    }
+	/**
+	 * Used by messengers (or preview) for enqueueing any scripts or styles need in message generation.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return void
+	 */
+	public function enqueue_scripts_styles()
+	{
+		do_action('AHEE__EE_messenger__enqueue_scripts_styles');
+	}
 
 
 
 
 
-    /**
-     * This is used to indicate whether a messenger must be sent immediately or not.
-     * eg. The HTML messenger will override this to return true because it should be displayed in user's browser right
-     * away.  The PDF messenger is similar.
-     *
-     * This flag thus overrides any priorities that may be set on the message type used to generate the message.
-     *
-     * Default for this is false.  So children classes must override this if they want a message to be executed immediately.
-     *
-     * @since  4.9.0
-     * @return bool
-     */
-    public function send_now()
-    {
-        return false;
-    }
+	/**
+	 * This is used to indicate whether a messenger must be sent immediately or not.
+	 * eg. The HTML messenger will override this to return true because it should be displayed in user's browser right
+	 * away.  The PDF messenger is similar.
+	 *
+	 * This flag thus overrides any priorities that may be set on the message type used to generate the message.
+	 *
+	 * Default for this is false.  So children classes must override this if they want a message to be executed immediately.
+	 *
+	 * @since  4.9.0
+	 * @return bool
+	 */
+	public function send_now()
+	{
+		return false;
+	}
 
 
 
 
 
-    /**
-     * This is a way for a messenger to indicate whether it allows an empty to field or not.
-     * Note: If the generated message is a for a preview, this value is ignored.
-     * @since 4.9.0
-     * @return bool
-     */
-    public function allow_empty_to_field()
-    {
-        return false;
-    }
+	/**
+	 * This is a way for a messenger to indicate whether it allows an empty to field or not.
+	 * Note: If the generated message is a for a preview, this value is ignored.
+	 * @since 4.9.0
+	 * @return bool
+	 */
+	public function allow_empty_to_field()
+	{
+		return false;
+	}
 
 
 
 
 
-    /**
-     * Sets the defaults for the _supports_labels property.  Can be overridden by child classes.
-     * @see property definition for info on how its formatted.
-     *
-     * @since 4.5.0;
-     * @return void
-     */
-    protected function _set_supports_labels()
-    {
-        $this->_set_supports_labels_defaults();
-    }
+	/**
+	 * Sets the defaults for the _supports_labels property.  Can be overridden by child classes.
+	 * @see property definition for info on how its formatted.
+	 *
+	 * @since 4.5.0;
+	 * @return void
+	 */
+	protected function _set_supports_labels()
+	{
+		$this->_set_supports_labels_defaults();
+	}
 
 
 
 
 
-    /**
-     * Sets the defaults for the _supports_labels property.
-     *
-     * @since 4.5.0
-     *
-     * @return void
-     */
-    private function _set_supports_labels_defaults()
-    {
-        $this->_supports_labels->template_pack = __('Template Structure', 'event_espresso');
-        $this->_supports_labels->template_variation = __('Template Style', 'event_espresso');
-        $this->_supports_labels->template_pack_description = __('Template Structure options are bundled structural changes for templates.', 'event_espresso');
+	/**
+	 * Sets the defaults for the _supports_labels property.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return void
+	 */
+	private function _set_supports_labels_defaults()
+	{
+		$this->_supports_labels->template_pack = __('Template Structure', 'event_espresso');
+		$this->_supports_labels->template_variation = __('Template Style', 'event_espresso');
+		$this->_supports_labels->template_pack_description = __('Template Structure options are bundled structural changes for templates.', 'event_espresso');
 
-        $this->_supports_labels->template_variation_description = __('These are different styles to choose from for the selected template structure.  Usually these affect things like font style, color, borders etc.  In some cases the styles will also make minor layout changes.', 'event_espresso');
+		$this->_supports_labels->template_variation_description = __('These are different styles to choose from for the selected template structure.  Usually these affect things like font style, color, borders etc.  In some cases the styles will also make minor layout changes.', 'event_espresso');
 
-        $this->_supports_labels = apply_filters('FHEE__EE_messenger___set_supports_labels_defaults___supports_labels', $this->_supports_labels, $this);
-    }
+		$this->_supports_labels = apply_filters('FHEE__EE_messenger___set_supports_labels_defaults___supports_labels', $this->_supports_labels, $this);
+	}
 
 
 
 
 
-    /**
-     * This returns the _supports_labels property.
-     *
-     * @since 4.5.0
-     *
-     * @return stdClass
-     */
-    public function get_supports_labels()
-    {
-        if (empty($this->_supports_labels->template_pack) || empty($this->_supports_labels->template_variation)) {
-            $this->_set_supports_labels_defaults();
-        }
-        return apply_filters('FHEE__EE_messenger__get_supports_labels', $this->_supports_labels, $this);
-    }
+	/**
+	 * This returns the _supports_labels property.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return stdClass
+	 */
+	public function get_supports_labels()
+	{
+		if (empty($this->_supports_labels->template_pack) || empty($this->_supports_labels->template_variation)) {
+			$this->_set_supports_labels_defaults();
+		}
+		return apply_filters('FHEE__EE_messenger__get_supports_labels', $this->_supports_labels, $this);
+	}
 
 
 
 
-    /**
-     * Used to retrieve a variation (typically the path/url to a css file)
-     *
-     * @since 4.5.0
-     *
-     * @param EE_Messages_Template_Pack $pack   The template pack used for retrieving the variation.
-     * @param string                    $message_type_name The name property of the message type that we need the variation for.
-     * @param bool                      $url   Whether to return url (true) or path (false). Default is false.
-     * @param string                    $type What variation type to return. Default is 'main'.
-     * @param string               $variation What variation for the template pack
-     * @param bool             $skip_filters This allows messengers to add a filter for another messengers get_variation but call skip filters on the callback so there is no recursion on apply_filters.
-     *
-     * @return string                    path or url for the requested variation.
-     */
-    public function get_variation(EE_Messages_Template_Pack $pack, $message_type_name, $url = false, $type = 'main', $variation = 'default', $skip_filters = false)
-    {
-        $this->_tmp_pack = $pack;
-        $variation_path = apply_filters('EE_messenger__get_variation__variation', false, $pack, $this->name, $message_type_name, $url, $type, $variation, $skip_filters);
-        $variation_path = empty($variation_path) ? $this->_tmp_pack->get_variation($this->name, $message_type_name, $type, $variation, $url, '.css', $skip_filters) : $variation_path;
-        return $variation_path;
-    }
+	/**
+	 * Used to retrieve a variation (typically the path/url to a css file)
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param EE_Messages_Template_Pack $pack   The template pack used for retrieving the variation.
+	 * @param string                    $message_type_name The name property of the message type that we need the variation for.
+	 * @param bool                      $url   Whether to return url (true) or path (false). Default is false.
+	 * @param string                    $type What variation type to return. Default is 'main'.
+	 * @param string               $variation What variation for the template pack
+	 * @param bool             $skip_filters This allows messengers to add a filter for another messengers get_variation but call skip filters on the callback so there is no recursion on apply_filters.
+	 *
+	 * @return string                    path or url for the requested variation.
+	 */
+	public function get_variation(EE_Messages_Template_Pack $pack, $message_type_name, $url = false, $type = 'main', $variation = 'default', $skip_filters = false)
+	{
+		$this->_tmp_pack = $pack;
+		$variation_path = apply_filters('EE_messenger__get_variation__variation', false, $pack, $this->name, $message_type_name, $url, $type, $variation, $skip_filters);
+		$variation_path = empty($variation_path) ? $this->_tmp_pack->get_variation($this->name, $message_type_name, $type, $variation, $url, '.css', $skip_filters) : $variation_path;
+		return $variation_path;
+	}
 
 
 
@@ -406,490 +406,490 @@ 
 
 
 
-    /**
-     * This just returns the default message types associated with this messenger when it is first activated.
-     *
-     * @access public
-     * @return array
-     */
-    public function get_default_message_types()
-    {
-        $class = get_class($this);
+	/**
+	 * This just returns the default message types associated with this messenger when it is first activated.
+	 *
+	 * @access public
+	 * @return array
+	 */
+	public function get_default_message_types()
+	{
+		$class = get_class($this);
 
-        // messenger specific filter
-        $default_types = apply_filters('FHEE__' . $class . '__get_default_message_types__default_types', $this->_default_message_types, $this);
+		// messenger specific filter
+		$default_types = apply_filters('FHEE__' . $class . '__get_default_message_types__default_types', $this->_default_message_types, $this);
 
-        // all messengers filter
-        $default_types = apply_filters('FHEE__EE_messenger__get_default_message_types__default_types', $default_types, $this);
-        return $default_types;
-    }
+		// all messengers filter
+		$default_types = apply_filters('FHEE__EE_messenger__get_default_message_types__default_types', $default_types, $this);
+		return $default_types;
+	}
 
 
 
 
-    /**
-     * Returns the valid message types associated with this messenger.
-     *
-     * @since 4.5.0
-     *
-     * @return array
-     */
-    public function get_valid_message_types()
-    {
-        $class = get_class($this);
-
-        // messenger specific filter
-        // messenger specific filter
-        $valid_types = apply_filters('FHEE__' . $class . '__get_valid_message_types__valid_types', $this->_valid_message_types, $this);
-
-        // all messengers filter
-        $valid_types = apply_filters('FHEE__EE_messenger__get_valid_message_types__valid_types', $valid_types, $this);
-        return $valid_types;
-    }
-
-
-
-
-
-    /**
-     * this is just used by the custom validators (EE_Messages_Validator classes) to modify the _validator_config for certain message_type/messenger combos where a context may only use certain shortcodes etc.
-     *
-     * @access public
-     * @param array $new_config Whatever is put in here will reset the _validator_config property
-     */
-    public function set_validator_config($new_config)
-    {
-        $this->_validator_config = $new_config;
-    }
-
-
-
-
-    /**
-     * This returns the _validator_config property
-     *
-     * @access public
-     * @return array
-     */
-    public function get_validator_config()
-    {
-        $class = get_class($this);
-
-        $config = apply_filters('FHEE__' . $class . '__get_validator_config', $this->_validator_config, $this);
-        $config = apply_filters('FHEE__EE_messenger__get_validator_config', $config, $this);
-        return $config;
-    }
-
-
-
-
-    /**
-     * this public method accepts a page slug (for an EE_admin page) and will return the response from the child class callback function if that page is registered via the `_admin_registered_page` property set by the child class.
-     *
-     * @param string $page the slug of the EE admin page
-     * @param array $message_types an array of active message type objects
-     * @param string $action the page action (to allow for more specific handling - i.e. edit vs. add pages)
-     * @param array $extra  This is just an extra argument that can be used to pass additional data for setting up page content.
-     * @access public
-     * @return string content for page
-     */
-    public function get_messenger_admin_page_content($page, $action = null, $extra = array(), $message_types = array())
-    {
-        return $this->_get_admin_page_content($page, $action, $extra, $message_types);
-    }
-
-
-
-    /**
-     * @param $message_types
-     * @param array $extra
-     * @return mixed|string
-     */
-    protected function _get_admin_content_events_edit($message_types, $extra)
-    {
-        // defaults
-        $template_args = array();
-        $selector_rows = '';
-
-        // we don't need message types here so we're just going to ignore. we do, however, expect the event id here. The event id is needed to provide a link to setup a custom template for this event.
-        $event_id = isset($extra['event']) ? $extra['event'] : null;
-
-        $template_wrapper_path = EE_LIBRARIES . 'messages/messenger/admin_templates/event_switcher_wrapper.template.php';
-        $template_row_path = EE_LIBRARIES . 'messages/messenger/admin_templates/event_switcher_row.template.php';
-
-        // array of template objects for global and custom (non-trashed) (but remember just for this messenger!)
-        $global_templates = EEM_Message_Template_Group::instance()->get_all(
-            array( array( 'MTP_messenger' => $this->name, 'MTP_is_global' => true, 'MTP_is_active' => true ) )
-        );
-        $templates_for_event = EEM_Message_Template_Group::instance()->get_all_custom_templates_by_event(
-            $event_id,
-            array(
-                'MTP_messenger' => $this->name,
-                'MTP_is_active' => true
-            )
-        );
-        $templates_for_event = !empty($templates_for_event) ? $templates_for_event : array();
-
-        // so we need to setup the rows for the selectors and we use the global mtpgs (cause those will the active message template groups)
-        foreach ($global_templates as $mtpgID => $mtpg) {
-            if ($mtpg instanceof EE_Message_Template_Group) {
-                // verify this message type is supposed to show on this page
-                $mtp_obj = $mtpg->message_type_obj();
-                if (! $mtp_obj instanceof EE_message_type) {
-                    continue;
-                }
-                $mtp_obj->admin_registered_pages = (array) $mtp_obj->admin_registered_pages;
-                if (! in_array('events_edit', $mtp_obj->admin_registered_pages)) {
-                    continue;
-                }
-                $select_values = array();
-                $select_values[ $mtpgID ] = __('Global', 'event_espresso');
-                $default_value = array_key_exists($mtpgID, $templates_for_event) && ! $mtpg->get('MTP_is_override') ? $mtpgID : null;
-                // if the override has been set for the global template, then that means even if there are custom templates already created we ignore them because of the set override.
-                if (! $mtpg->get('MTP_is_override')) {
-                    // any custom templates for this message type?
-                    $custom_templates = EEM_Message_Template_Group::instance()->get_custom_message_template_by_m_and_mt($this->name, $mtpg->message_type());
-                    foreach ($custom_templates as $cmtpgID => $cmtpg) {
-                        $select_values[ $cmtpgID ] = $cmtpg->name();
-                        $default_value = array_key_exists($cmtpgID, $templates_for_event) ? $cmtpgID : $default_value;
-                    }
-                }
-                // if there is no $default_value then we set it as the global
-                $default_value = empty($default_value) ? $mtpgID : $default_value;
-                $edit_url_query_args = [
-                    'page' => 'espresso_messages',
-                    'action' => 'edit_message_template',
-                    'id' => $default_value,
-                    'evt_id' => $event_id
-                ];
-                $edit_url = EEH_URL::add_query_args_and_nonce($edit_url_query_args, admin_url('admin.php'));
-                $create_url_query_args = [
-                    'page' => 'espresso_messages',
-                    'action' => 'add_new_message_template',
-                    'GRP_ID' => $default_value
-                ];
-                $create_url = EEH_URL::add_query_args_and_nonce($create_url_query_args, admin_url('admin.php'));
-                $st_args['mt_name'] = ucwords($mtp_obj->label['singular']);
-                $st_args['mt_slug'] = $mtpg->message_type();
-                $st_args['messenger_slug'] = $this->name;
-                $st_args['selector'] = EEH_Form_Fields::select_input('event_message_templates_relation[' . $mtpgID . ']', $select_values, $default_value, 'data-messenger="' . $this->name . '" data-messagetype="' . $mtpg->message_type() . '"', 'message-template-selector');
-                // note that  message template group that has override_all_custom set will remove the ability to set a custom message template based off of the global (and that also in turn overrides any other custom templates).
-                $st_args['create_button'] = $mtpg->get('MTP_is_override') ? '' : '<a data-messenger="' . $this->name . '" data-messagetype="' . $mtpg->message_type() . '" data-grpid="' . $default_value . '" target="_blank" href="' . $create_url . '" class="button button-small create-mtpg-button">' . __('Create New Custom', 'event_espresso') . '</a>';
-                $st_args['create_button'] = EE_Registry::instance()->CAP->current_user_can('ee_edit_messages', 'espresso_messages_add_new_message_template') ? $st_args['create_button'] : '';
-                $st_args['edit_button'] = EE_Registry::instance()->CAP->current_user_can('ee_edit_message', 'espresso_messages_edit_message_template', $mtpgID) ? '<a data-messagetype="' . $mtpg->message_type() . '" data-grpid="' . $default_value . '" target="_blank" href="' . $edit_url . '" class="button button-small edit-mtpg-button">' . __('Edit', 'event_espresso') . '</a>' : '';
-                $selector_rows .= EEH_Template::display_template($template_row_path, $st_args, true);
-            }
-        }
-
-        // if no selectors present then get out.
-        if (empty($selector_rows)) {
-            return '';
-        }
-
-        $template_args['selector_rows'] = $selector_rows;
-        return EEH_Template::display_template($template_wrapper_path, $template_args, true);
-    }
-
-
-
-
-
-
-    /**
-     * get_template_fields
-     *
-     * @access public
-     * @return array $this->_template_fields
-     */
-    public function get_template_fields()
-    {
-        $template_fields = apply_filters('FHEE__' . get_class($this) . '__get_template_fields', $this->_template_fields, $this);
-        $template_fields = apply_filters('FHEE__EE_messenger__get_template_fields', $template_fields, $this);
-        return $template_fields;
-    }
-
-
-
-
-    /** SETUP METHODS **/
-    /**
-     * The following method doesn't NEED to be used by child classes but might be modified by the specific messenger
-     * @param string $item
-     * @param mixed $value
-     */
-    protected function _set_template_value($item, $value)
-    {
-        if (array_key_exists($item, $this->_template_fields)) {
-            $prop = '_' . $item;
-            $this->{$prop}= $value;
-        }
-    }
-
-    /**
-     * Sets up the message for sending.
-     *
-     * @param  EE_message $message the message object that contains details about the message.
-     * @param EE_message_type $message_type The message type object used in combination with this messenger to generate the provided message.
-     *
-     * @return bool Very important that all messengers return bool for successful send or not.  Error messages can be
-     *              added to EE_Error.
-     *              true = message sent successfully
-     *              false = message not sent but can be retried (i.e. the failure might be just due to communication issues at the time of send).
-     *              Throwing a SendMessageException means the message failed sending and cannot be retried.
-     *
-     * @throws SendMessageException
-     */
-    final public function send_message($message, EE_message_type $message_type)
-    {
-        try {
-            $this->_validate_and_setup($message);
-            $this->_incoming_message_type = $message_type;
-            $response = $this->_send_message();
-            if ($response instanceof WP_Error) {
-                EE_Error::add_error($response->get_error_message(), __FILE__, __FUNCTION__, __LINE__);
-                $response = false;
-            }
-        } catch (\Exception $e) {
-            // convert to an instance of SendMessageException
-            throw new SendMessageException($e->getMessage());
-        }
-        return $response;
-    }
-
-
-
-    /**
-     * Sets up and returns message preview
-     * @param  EE_Message $message incoming message object
-     * @param EE_message_type $message_type This is whatever message type was used in combination with this messenger to generate the message.
-     * @param  bool   $send    true we will actually use the _send method (for test sends). FALSE we just return preview
-     * @return string          return the message html content
-     */
-    public function get_preview(EE_Message $message, EE_message_type $message_type, $send = false)
-    {
-        $this->_validate_and_setup($message);
-
-        $this->_incoming_message_type = $message_type;
-
-        if ($send) {
-            // are we overriding any existing template fields?
-            $settings = apply_filters(
-                'FHEE__EE_messenger__get_preview__messenger_test_settings',
-                $this->get_existing_test_settings(),
-                $this,
-                $send,
-                $message,
-                $message_type
-            );
-            if (! empty($settings)) {
-                foreach ($settings as $field => $value) {
-                    $this->_set_template_value($field, $value);
-                }
-            }
-        }
-
-        // enqueue preview js so that any links/buttons on the page are disabled.
-        if (! $send) {
-            // the below may seem like duplication.  However, typically if a messenger enqueues scripts/styles,
-            // it deregisters all existing wp scripts and styles first.  So the second hook ensures our previewer still gets setup.
-            add_action('admin_enqueue_scripts', array( $this, 'add_preview_script' ), 10);
-            add_action('wp_enqueue_scripts', array( $this, 'add_preview_script' ), 10);
-            add_action('AHEE__EE_messenger__enqueue_scripts_styles', array( $this, 'add_preview_script' ), 10);
-        }
-
-        return $send ? $this->_send_message() : $this->_preview();
-    }
-
-
-
-
-    /**
-     * Callback for enqueue_scripts so that we setup the preview script for all previews.
-     *
-     * @since 4.5.0
-     *
-     * @return void
-     */
-    public function add_preview_script()
-    {
-        // error message
-        EE_Registry::$i18n_js_strings['links_disabled'] = __('All the links on this page have been disabled because this is a generated preview message for the purpose of ensuring layout, style, and content setup.  To test generated links, you must trigger an actual message notification.', 'event_espresso');
-        wp_register_script('ee-messages-preview-js', EE_LIBRARIES_URL . 'messages/messenger/assets/js/ee-messages-preview.js', array( 'jquery' ), EVENT_ESPRESSO_VERSION, true);
-        wp_localize_script('ee-messages-preview-js', 'eei18n', EE_Registry::$i18n_js_strings);
-        wp_enqueue_script('ee-messages-preview-js');
-    }
-
-
-
-
-    /**
-     * simply validates the incoming message object and then sets up the properties for the messenger
-     * @param  EE_Message $message
-     * @throws EE_Error
-     */
-    protected function _validate_and_setup(EE_Message $message)
-    {
-        $template_pack = $message->get_template_pack();
-        $variation = $message->get_template_pack_variation();
-
-        // verify we have the required template pack value on the $message object.
-        if (! $template_pack instanceof EE_Messages_Template_Pack) {
-            throw new EE_Error(__('Incoming $message object must have an EE_Messages_Template_Pack object available.', 'event_espresso'));
-        }
-
-        $this->_tmp_pack = $template_pack;
-
-        $this->_variation = $variation ? $variation : 'default';
-
-        $template_fields = $this->get_template_fields();
-
-        foreach ($template_fields as $template => $value) {
-            if ($template !== 'extra') {
-                $column_value = $message->get_field_or_extra_meta('MSG_' . $template);
-                $message_template_value = $column_value ? $column_value : null;
-                $this->_set_template_value($template, $message_template_value);
-            }
-        }
-    }
-
-
-
-    /**
-     * Utility method for child classes to get the contents of a template file and return
-     *
-     * We're assuming the child messenger class has already setup template args!
-     * @param  bool $preview if true we use the preview wrapper otherwise we use main wrapper.
-     * @return string
-     * @throws \EE_Error
-     */
-    protected function _get_main_template($preview = false)
-    {
-        $type = $preview ? 'preview' : 'main';
-
-        $wrapper_template = $this->_tmp_pack->get_wrapper($this->name, $type);
-
-        // check file exists and is readable
-        if (!is_readable($wrapper_template)) {
-            throw new EE_Error(sprintf(__('Unable to access the template file for the %s messenger main content wrapper.  The location being attempted is %s.', 'event_espresso'), ucwords($this->label['singular']), $wrapper_template));
-        }
-
-        // add message type to template args
-        $this->_template_args['message_type'] = $this->_incoming_message_type;
-
-        return EEH_Template::display_template($wrapper_template, $this->_template_args, true);
-    }
-
-
-
-    /**
-     * set the _test_settings_fields property
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _set_test_settings_fields()
-    {
-        $this->_test_settings_fields = array();
-    }
-
-
-
-    /**
-     * return the _test_settings_fields property
-     * @return array
-     */
-    public function get_test_settings_fields()
-    {
-        return $this->_test_settings_fields;
-    }
-
-
-
-
-    /**
-     * This just returns any existing test settings that might be saved in the database
-     *
-     * @access public
-     * @return array
-     */
-    public function get_existing_test_settings()
-    {
-        /** @var EE_Message_Resource_Manager $Message_Resource_Manager */
-        $Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        $settings = $Message_Resource_Manager->get_active_messengers_option();
-        return isset($settings[ $this->name ]['test_settings']) ? $settings[ $this->name ]['test_settings'] : array();
-    }
-
-
-
-    /**
-     * All this does is set the existing test settings (in the db) for the messenger
-     *
-     * @access public
-     * @param $settings
-     * @return bool success/fail
-     */
-    public function set_existing_test_settings($settings)
-    {
-        /** @var EE_Message_Resource_Manager $Message_Resource_Manager */
-        $Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        $existing = $Message_Resource_Manager->get_active_messengers_option();
-        $existing[ $this->name ]['test_settings'] = $settings;
-        return $Message_Resource_Manager->update_active_messengers_option($existing);
-    }
-
-
-
-    /**
-     * This just returns the field label for a given field setup in the _template_fields property.
-     *
-     * @since   4.3.0
-     *
-     * @param string $field The field to retrieve the label for
-     * @return string             The label
-     */
-    public function get_field_label($field)
-    {
-        // first let's see if the field requests is in the top level array.
-        if (isset($this->_template_fields[ $field ]) && !empty($this->_template_fields[ $field ]['label'])) {
-            return $this->_template[ $field ]['label'];
-        }
-
-        // nope so let's look in the extra array to see if it's there HOWEVER if the field exists as a top level index in the extra array then we know the label is in the 'main' index.
-        if (isset($this->_template_fields['extra']) && !empty($this->_template_fields['extra'][ $field ]) && !empty($this->_template_fields['extra'][ $field ]['main']['label'])) {
-            return $this->_template_fields['extra'][ $field ]['main']['label'];
-        }
-
-        // now it's possible this field may just be existing in any of the extra array items.
-        if (!empty($this->_template_fields['extra']) && is_array($this->_template_fields['extra'])) {
-            foreach ($this->_template_fields['extra'] as $main_field => $subfields) {
-                if (!is_array($subfields)) {
-                    continue;
-                }
-                if (isset($subfields[ $field ]) && !empty($subfields[ $field ]['label'])) {
-                    return $subfields[ $field ]['label'];
-                }
-            }
-        }
-
-        // if we made it here then there's no label set so let's just return the $field.
-        return $field;
-    }
-
-
-
-
-    /**
-     * This is a method called from EE_messages when this messenger is a generating messenger and the sending messenger is a different messenger.  Child messengers can set hooks for the sending messenger to callback on if necessary (i.e. swap out css files or something else).
-     *
-     * @since 4.5.0
-     *
-     * @param string $sending_messenger_name the name of the sending messenger so we only set the hooks needed.
-     *
-     * @return void
-     */
-    public function do_secondary_messenger_hooks($sending_messenger_name)
-    {
-        return;
-    }
+	/**
+	 * Returns the valid message types associated with this messenger.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return array
+	 */
+	public function get_valid_message_types()
+	{
+		$class = get_class($this);
+
+		// messenger specific filter
+		// messenger specific filter
+		$valid_types = apply_filters('FHEE__' . $class . '__get_valid_message_types__valid_types', $this->_valid_message_types, $this);
+
+		// all messengers filter
+		$valid_types = apply_filters('FHEE__EE_messenger__get_valid_message_types__valid_types', $valid_types, $this);
+		return $valid_types;
+	}
+
+
+
+
+
+	/**
+	 * this is just used by the custom validators (EE_Messages_Validator classes) to modify the _validator_config for certain message_type/messenger combos where a context may only use certain shortcodes etc.
+	 *
+	 * @access public
+	 * @param array $new_config Whatever is put in here will reset the _validator_config property
+	 */
+	public function set_validator_config($new_config)
+	{
+		$this->_validator_config = $new_config;
+	}
+
+
+
+
+	/**
+	 * This returns the _validator_config property
+	 *
+	 * @access public
+	 * @return array
+	 */
+	public function get_validator_config()
+	{
+		$class = get_class($this);
+
+		$config = apply_filters('FHEE__' . $class . '__get_validator_config', $this->_validator_config, $this);
+		$config = apply_filters('FHEE__EE_messenger__get_validator_config', $config, $this);
+		return $config;
+	}
+
+
+
+
+	/**
+	 * this public method accepts a page slug (for an EE_admin page) and will return the response from the child class callback function if that page is registered via the `_admin_registered_page` property set by the child class.
+	 *
+	 * @param string $page the slug of the EE admin page
+	 * @param array $message_types an array of active message type objects
+	 * @param string $action the page action (to allow for more specific handling - i.e. edit vs. add pages)
+	 * @param array $extra  This is just an extra argument that can be used to pass additional data for setting up page content.
+	 * @access public
+	 * @return string content for page
+	 */
+	public function get_messenger_admin_page_content($page, $action = null, $extra = array(), $message_types = array())
+	{
+		return $this->_get_admin_page_content($page, $action, $extra, $message_types);
+	}
+
+
+
+	/**
+	 * @param $message_types
+	 * @param array $extra
+	 * @return mixed|string
+	 */
+	protected function _get_admin_content_events_edit($message_types, $extra)
+	{
+		// defaults
+		$template_args = array();
+		$selector_rows = '';
+
+		// we don't need message types here so we're just going to ignore. we do, however, expect the event id here. The event id is needed to provide a link to setup a custom template for this event.
+		$event_id = isset($extra['event']) ? $extra['event'] : null;
+
+		$template_wrapper_path = EE_LIBRARIES . 'messages/messenger/admin_templates/event_switcher_wrapper.template.php';
+		$template_row_path = EE_LIBRARIES . 'messages/messenger/admin_templates/event_switcher_row.template.php';
+
+		// array of template objects for global and custom (non-trashed) (but remember just for this messenger!)
+		$global_templates = EEM_Message_Template_Group::instance()->get_all(
+			array( array( 'MTP_messenger' => $this->name, 'MTP_is_global' => true, 'MTP_is_active' => true ) )
+		);
+		$templates_for_event = EEM_Message_Template_Group::instance()->get_all_custom_templates_by_event(
+			$event_id,
+			array(
+				'MTP_messenger' => $this->name,
+				'MTP_is_active' => true
+			)
+		);
+		$templates_for_event = !empty($templates_for_event) ? $templates_for_event : array();
+
+		// so we need to setup the rows for the selectors and we use the global mtpgs (cause those will the active message template groups)
+		foreach ($global_templates as $mtpgID => $mtpg) {
+			if ($mtpg instanceof EE_Message_Template_Group) {
+				// verify this message type is supposed to show on this page
+				$mtp_obj = $mtpg->message_type_obj();
+				if (! $mtp_obj instanceof EE_message_type) {
+					continue;
+				}
+				$mtp_obj->admin_registered_pages = (array) $mtp_obj->admin_registered_pages;
+				if (! in_array('events_edit', $mtp_obj->admin_registered_pages)) {
+					continue;
+				}
+				$select_values = array();
+				$select_values[ $mtpgID ] = __('Global', 'event_espresso');
+				$default_value = array_key_exists($mtpgID, $templates_for_event) && ! $mtpg->get('MTP_is_override') ? $mtpgID : null;
+				// if the override has been set for the global template, then that means even if there are custom templates already created we ignore them because of the set override.
+				if (! $mtpg->get('MTP_is_override')) {
+					// any custom templates for this message type?
+					$custom_templates = EEM_Message_Template_Group::instance()->get_custom_message_template_by_m_and_mt($this->name, $mtpg->message_type());
+					foreach ($custom_templates as $cmtpgID => $cmtpg) {
+						$select_values[ $cmtpgID ] = $cmtpg->name();
+						$default_value = array_key_exists($cmtpgID, $templates_for_event) ? $cmtpgID : $default_value;
+					}
+				}
+				// if there is no $default_value then we set it as the global
+				$default_value = empty($default_value) ? $mtpgID : $default_value;
+				$edit_url_query_args = [
+					'page' => 'espresso_messages',
+					'action' => 'edit_message_template',
+					'id' => $default_value,
+					'evt_id' => $event_id
+				];
+				$edit_url = EEH_URL::add_query_args_and_nonce($edit_url_query_args, admin_url('admin.php'));
+				$create_url_query_args = [
+					'page' => 'espresso_messages',
+					'action' => 'add_new_message_template',
+					'GRP_ID' => $default_value
+				];
+				$create_url = EEH_URL::add_query_args_and_nonce($create_url_query_args, admin_url('admin.php'));
+				$st_args['mt_name'] = ucwords($mtp_obj->label['singular']);
+				$st_args['mt_slug'] = $mtpg->message_type();
+				$st_args['messenger_slug'] = $this->name;
+				$st_args['selector'] = EEH_Form_Fields::select_input('event_message_templates_relation[' . $mtpgID . ']', $select_values, $default_value, 'data-messenger="' . $this->name . '" data-messagetype="' . $mtpg->message_type() . '"', 'message-template-selector');
+				// note that  message template group that has override_all_custom set will remove the ability to set a custom message template based off of the global (and that also in turn overrides any other custom templates).
+				$st_args['create_button'] = $mtpg->get('MTP_is_override') ? '' : '<a data-messenger="' . $this->name . '" data-messagetype="' . $mtpg->message_type() . '" data-grpid="' . $default_value . '" target="_blank" href="' . $create_url . '" class="button button-small create-mtpg-button">' . __('Create New Custom', 'event_espresso') . '</a>';
+				$st_args['create_button'] = EE_Registry::instance()->CAP->current_user_can('ee_edit_messages', 'espresso_messages_add_new_message_template') ? $st_args['create_button'] : '';
+				$st_args['edit_button'] = EE_Registry::instance()->CAP->current_user_can('ee_edit_message', 'espresso_messages_edit_message_template', $mtpgID) ? '<a data-messagetype="' . $mtpg->message_type() . '" data-grpid="' . $default_value . '" target="_blank" href="' . $edit_url . '" class="button button-small edit-mtpg-button">' . __('Edit', 'event_espresso') . '</a>' : '';
+				$selector_rows .= EEH_Template::display_template($template_row_path, $st_args, true);
+			}
+		}
+
+		// if no selectors present then get out.
+		if (empty($selector_rows)) {
+			return '';
+		}
+
+		$template_args['selector_rows'] = $selector_rows;
+		return EEH_Template::display_template($template_wrapper_path, $template_args, true);
+	}
+
+
+
+
+
+
+	/**
+	 * get_template_fields
+	 *
+	 * @access public
+	 * @return array $this->_template_fields
+	 */
+	public function get_template_fields()
+	{
+		$template_fields = apply_filters('FHEE__' . get_class($this) . '__get_template_fields', $this->_template_fields, $this);
+		$template_fields = apply_filters('FHEE__EE_messenger__get_template_fields', $template_fields, $this);
+		return $template_fields;
+	}
+
+
+
+
+	/** SETUP METHODS **/
+	/**
+	 * The following method doesn't NEED to be used by child classes but might be modified by the specific messenger
+	 * @param string $item
+	 * @param mixed $value
+	 */
+	protected function _set_template_value($item, $value)
+	{
+		if (array_key_exists($item, $this->_template_fields)) {
+			$prop = '_' . $item;
+			$this->{$prop}= $value;
+		}
+	}
+
+	/**
+	 * Sets up the message for sending.
+	 *
+	 * @param  EE_message $message the message object that contains details about the message.
+	 * @param EE_message_type $message_type The message type object used in combination with this messenger to generate the provided message.
+	 *
+	 * @return bool Very important that all messengers return bool for successful send or not.  Error messages can be
+	 *              added to EE_Error.
+	 *              true = message sent successfully
+	 *              false = message not sent but can be retried (i.e. the failure might be just due to communication issues at the time of send).
+	 *              Throwing a SendMessageException means the message failed sending and cannot be retried.
+	 *
+	 * @throws SendMessageException
+	 */
+	final public function send_message($message, EE_message_type $message_type)
+	{
+		try {
+			$this->_validate_and_setup($message);
+			$this->_incoming_message_type = $message_type;
+			$response = $this->_send_message();
+			if ($response instanceof WP_Error) {
+				EE_Error::add_error($response->get_error_message(), __FILE__, __FUNCTION__, __LINE__);
+				$response = false;
+			}
+		} catch (\Exception $e) {
+			// convert to an instance of SendMessageException
+			throw new SendMessageException($e->getMessage());
+		}
+		return $response;
+	}
+
+
+
+	/**
+	 * Sets up and returns message preview
+	 * @param  EE_Message $message incoming message object
+	 * @param EE_message_type $message_type This is whatever message type was used in combination with this messenger to generate the message.
+	 * @param  bool   $send    true we will actually use the _send method (for test sends). FALSE we just return preview
+	 * @return string          return the message html content
+	 */
+	public function get_preview(EE_Message $message, EE_message_type $message_type, $send = false)
+	{
+		$this->_validate_and_setup($message);
+
+		$this->_incoming_message_type = $message_type;
+
+		if ($send) {
+			// are we overriding any existing template fields?
+			$settings = apply_filters(
+				'FHEE__EE_messenger__get_preview__messenger_test_settings',
+				$this->get_existing_test_settings(),
+				$this,
+				$send,
+				$message,
+				$message_type
+			);
+			if (! empty($settings)) {
+				foreach ($settings as $field => $value) {
+					$this->_set_template_value($field, $value);
+				}
+			}
+		}
+
+		// enqueue preview js so that any links/buttons on the page are disabled.
+		if (! $send) {
+			// the below may seem like duplication.  However, typically if a messenger enqueues scripts/styles,
+			// it deregisters all existing wp scripts and styles first.  So the second hook ensures our previewer still gets setup.
+			add_action('admin_enqueue_scripts', array( $this, 'add_preview_script' ), 10);
+			add_action('wp_enqueue_scripts', array( $this, 'add_preview_script' ), 10);
+			add_action('AHEE__EE_messenger__enqueue_scripts_styles', array( $this, 'add_preview_script' ), 10);
+		}
+
+		return $send ? $this->_send_message() : $this->_preview();
+	}
+
+
+
+
+	/**
+	 * Callback for enqueue_scripts so that we setup the preview script for all previews.
+	 *
+	 * @since 4.5.0
+	 *
+	 * @return void
+	 */
+	public function add_preview_script()
+	{
+		// error message
+		EE_Registry::$i18n_js_strings['links_disabled'] = __('All the links on this page have been disabled because this is a generated preview message for the purpose of ensuring layout, style, and content setup.  To test generated links, you must trigger an actual message notification.', 'event_espresso');
+		wp_register_script('ee-messages-preview-js', EE_LIBRARIES_URL . 'messages/messenger/assets/js/ee-messages-preview.js', array( 'jquery' ), EVENT_ESPRESSO_VERSION, true);
+		wp_localize_script('ee-messages-preview-js', 'eei18n', EE_Registry::$i18n_js_strings);
+		wp_enqueue_script('ee-messages-preview-js');
+	}
+
+
+
+
+	/**
+	 * simply validates the incoming message object and then sets up the properties for the messenger
+	 * @param  EE_Message $message
+	 * @throws EE_Error
+	 */
+	protected function _validate_and_setup(EE_Message $message)
+	{
+		$template_pack = $message->get_template_pack();
+		$variation = $message->get_template_pack_variation();
+
+		// verify we have the required template pack value on the $message object.
+		if (! $template_pack instanceof EE_Messages_Template_Pack) {
+			throw new EE_Error(__('Incoming $message object must have an EE_Messages_Template_Pack object available.', 'event_espresso'));
+		}
+
+		$this->_tmp_pack = $template_pack;
+
+		$this->_variation = $variation ? $variation : 'default';
+
+		$template_fields = $this->get_template_fields();
+
+		foreach ($template_fields as $template => $value) {
+			if ($template !== 'extra') {
+				$column_value = $message->get_field_or_extra_meta('MSG_' . $template);
+				$message_template_value = $column_value ? $column_value : null;
+				$this->_set_template_value($template, $message_template_value);
+			}
+		}
+	}
+
+
+
+	/**
+	 * Utility method for child classes to get the contents of a template file and return
+	 *
+	 * We're assuming the child messenger class has already setup template args!
+	 * @param  bool $preview if true we use the preview wrapper otherwise we use main wrapper.
+	 * @return string
+	 * @throws \EE_Error
+	 */
+	protected function _get_main_template($preview = false)
+	{
+		$type = $preview ? 'preview' : 'main';
+
+		$wrapper_template = $this->_tmp_pack->get_wrapper($this->name, $type);
+
+		// check file exists and is readable
+		if (!is_readable($wrapper_template)) {
+			throw new EE_Error(sprintf(__('Unable to access the template file for the %s messenger main content wrapper.  The location being attempted is %s.', 'event_espresso'), ucwords($this->label['singular']), $wrapper_template));
+		}
+
+		// add message type to template args
+		$this->_template_args['message_type'] = $this->_incoming_message_type;
+
+		return EEH_Template::display_template($wrapper_template, $this->_template_args, true);
+	}
+
+
+
+	/**
+	 * set the _test_settings_fields property
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _set_test_settings_fields()
+	{
+		$this->_test_settings_fields = array();
+	}
+
+
+
+	/**
+	 * return the _test_settings_fields property
+	 * @return array
+	 */
+	public function get_test_settings_fields()
+	{
+		return $this->_test_settings_fields;
+	}
+
+
+
+
+	/**
+	 * This just returns any existing test settings that might be saved in the database
+	 *
+	 * @access public
+	 * @return array
+	 */
+	public function get_existing_test_settings()
+	{
+		/** @var EE_Message_Resource_Manager $Message_Resource_Manager */
+		$Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		$settings = $Message_Resource_Manager->get_active_messengers_option();
+		return isset($settings[ $this->name ]['test_settings']) ? $settings[ $this->name ]['test_settings'] : array();
+	}
+
+
+
+	/**
+	 * All this does is set the existing test settings (in the db) for the messenger
+	 *
+	 * @access public
+	 * @param $settings
+	 * @return bool success/fail
+	 */
+	public function set_existing_test_settings($settings)
+	{
+		/** @var EE_Message_Resource_Manager $Message_Resource_Manager */
+		$Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		$existing = $Message_Resource_Manager->get_active_messengers_option();
+		$existing[ $this->name ]['test_settings'] = $settings;
+		return $Message_Resource_Manager->update_active_messengers_option($existing);
+	}
+
+
+
+	/**
+	 * This just returns the field label for a given field setup in the _template_fields property.
+	 *
+	 * @since   4.3.0
+	 *
+	 * @param string $field The field to retrieve the label for
+	 * @return string             The label
+	 */
+	public function get_field_label($field)
+	{
+		// first let's see if the field requests is in the top level array.
+		if (isset($this->_template_fields[ $field ]) && !empty($this->_template_fields[ $field ]['label'])) {
+			return $this->_template[ $field ]['label'];
+		}
+
+		// nope so let's look in the extra array to see if it's there HOWEVER if the field exists as a top level index in the extra array then we know the label is in the 'main' index.
+		if (isset($this->_template_fields['extra']) && !empty($this->_template_fields['extra'][ $field ]) && !empty($this->_template_fields['extra'][ $field ]['main']['label'])) {
+			return $this->_template_fields['extra'][ $field ]['main']['label'];
+		}
+
+		// now it's possible this field may just be existing in any of the extra array items.
+		if (!empty($this->_template_fields['extra']) && is_array($this->_template_fields['extra'])) {
+			foreach ($this->_template_fields['extra'] as $main_field => $subfields) {
+				if (!is_array($subfields)) {
+					continue;
+				}
+				if (isset($subfields[ $field ]) && !empty($subfields[ $field ]['label'])) {
+					return $subfields[ $field ]['label'];
+				}
+			}
+		}
+
+		// if we made it here then there's no label set so let's just return the $field.
+		return $field;
+	}
+
+
+
+
+	/**
+	 * This is a method called from EE_messages when this messenger is a generating messenger and the sending messenger is a different messenger.  Child messengers can set hooks for the sending messenger to callback on if necessary (i.e. swap out css files or something else).
+	 *
+	 * @since 4.5.0
+	 *
+	 * @param string $sending_messenger_name the name of the sending messenger so we only set the hooks needed.
+	 *
+	 * @return void
+	 */
+	public function do_secondary_messenger_hooks($sending_messenger_name)
+	{
+		return;
+	}
 }

Spacing +37 added lines, -37 removed lines

@@ -417,7 +417,7 @@ 
         $class = get_class($this);
 
         // messenger specific filter
-        $default_types = apply_filters('FHEE__' . $class . '__get_default_message_types__default_types', $this->_default_message_types, $this);
+        $default_types = apply_filters('FHEE__'.$class.'__get_default_message_types__default_types', $this->_default_message_types, $this);
 
         // all messengers filter
         $default_types = apply_filters('FHEE__EE_messenger__get_default_message_types__default_types', $default_types, $this);
@@ -440,7 +440,7 @@ 
 
         // messenger specific filter
         // messenger specific filter
-        $valid_types = apply_filters('FHEE__' . $class . '__get_valid_message_types__valid_types', $this->_valid_message_types, $this);
+        $valid_types = apply_filters('FHEE__'.$class.'__get_valid_message_types__valid_types', $this->_valid_message_types, $this);
 
         // all messengers filter
         $valid_types = apply_filters('FHEE__EE_messenger__get_valid_message_types__valid_types', $valid_types, $this);
@@ -475,7 +475,7 @@ 
     {
         $class = get_class($this);
 
-        $config = apply_filters('FHEE__' . $class . '__get_validator_config', $this->_validator_config, $this);
+        $config = apply_filters('FHEE__'.$class.'__get_validator_config', $this->_validator_config, $this);
         $config = apply_filters('FHEE__EE_messenger__get_validator_config', $config, $this);
         return $config;
     }
@@ -514,12 +514,12 @@ 
         // we don't need message types here so we're just going to ignore. we do, however, expect the event id here. The event id is needed to provide a link to setup a custom template for this event.
         $event_id = isset($extra['event']) ? $extra['event'] : null;
 
-        $template_wrapper_path = EE_LIBRARIES . 'messages/messenger/admin_templates/event_switcher_wrapper.template.php';
-        $template_row_path = EE_LIBRARIES . 'messages/messenger/admin_templates/event_switcher_row.template.php';
+        $template_wrapper_path = EE_LIBRARIES.'messages/messenger/admin_templates/event_switcher_wrapper.template.php';
+        $template_row_path = EE_LIBRARIES.'messages/messenger/admin_templates/event_switcher_row.template.php';
 
         // array of template objects for global and custom (non-trashed) (but remember just for this messenger!)
         $global_templates = EEM_Message_Template_Group::instance()->get_all(
-            array( array( 'MTP_messenger' => $this->name, 'MTP_is_global' => true, 'MTP_is_active' => true ) )
+            array(array('MTP_messenger' => $this->name, 'MTP_is_global' => true, 'MTP_is_active' => true))
         );
         $templates_for_event = EEM_Message_Template_Group::instance()->get_all_custom_templates_by_event(
             $event_id,
@@ -528,29 +528,29 @@ 
                 'MTP_is_active' => true
             )
         );
-        $templates_for_event = !empty($templates_for_event) ? $templates_for_event : array();
+        $templates_for_event = ! empty($templates_for_event) ? $templates_for_event : array();
 
         // so we need to setup the rows for the selectors and we use the global mtpgs (cause those will the active message template groups)
         foreach ($global_templates as $mtpgID => $mtpg) {
             if ($mtpg instanceof EE_Message_Template_Group) {
                 // verify this message type is supposed to show on this page
                 $mtp_obj = $mtpg->message_type_obj();
-                if (! $mtp_obj instanceof EE_message_type) {
+                if ( ! $mtp_obj instanceof EE_message_type) {
                     continue;
                 }
                 $mtp_obj->admin_registered_pages = (array) $mtp_obj->admin_registered_pages;
-                if (! in_array('events_edit', $mtp_obj->admin_registered_pages)) {
+                if ( ! in_array('events_edit', $mtp_obj->admin_registered_pages)) {
                     continue;
                 }
                 $select_values = array();
-                $select_values[ $mtpgID ] = __('Global', 'event_espresso');
+                $select_values[$mtpgID] = __('Global', 'event_espresso');
                 $default_value = array_key_exists($mtpgID, $templates_for_event) && ! $mtpg->get('MTP_is_override') ? $mtpgID : null;
                 // if the override has been set for the global template, then that means even if there are custom templates already created we ignore them because of the set override.
-                if (! $mtpg->get('MTP_is_override')) {
+                if ( ! $mtpg->get('MTP_is_override')) {
                     // any custom templates for this message type?
                     $custom_templates = EEM_Message_Template_Group::instance()->get_custom_message_template_by_m_and_mt($this->name, $mtpg->message_type());
                     foreach ($custom_templates as $cmtpgID => $cmtpg) {
-                        $select_values[ $cmtpgID ] = $cmtpg->name();
+                        $select_values[$cmtpgID] = $cmtpg->name();
                         $default_value = array_key_exists($cmtpgID, $templates_for_event) ? $cmtpgID : $default_value;
                     }
                 }
@@ -572,11 +572,11 @@ 
                 $st_args['mt_name'] = ucwords($mtp_obj->label['singular']);
                 $st_args['mt_slug'] = $mtpg->message_type();
                 $st_args['messenger_slug'] = $this->name;
-                $st_args['selector'] = EEH_Form_Fields::select_input('event_message_templates_relation[' . $mtpgID . ']', $select_values, $default_value, 'data-messenger="' . $this->name . '" data-messagetype="' . $mtpg->message_type() . '"', 'message-template-selector');
+                $st_args['selector'] = EEH_Form_Fields::select_input('event_message_templates_relation['.$mtpgID.']', $select_values, $default_value, 'data-messenger="'.$this->name.'" data-messagetype="'.$mtpg->message_type().'"', 'message-template-selector');
                 // note that  message template group that has override_all_custom set will remove the ability to set a custom message template based off of the global (and that also in turn overrides any other custom templates).
-                $st_args['create_button'] = $mtpg->get('MTP_is_override') ? '' : '<a data-messenger="' . $this->name . '" data-messagetype="' . $mtpg->message_type() . '" data-grpid="' . $default_value . '" target="_blank" href="' . $create_url . '" class="button button-small create-mtpg-button">' . __('Create New Custom', 'event_espresso') . '</a>';
+                $st_args['create_button'] = $mtpg->get('MTP_is_override') ? '' : '<a data-messenger="'.$this->name.'" data-messagetype="'.$mtpg->message_type().'" data-grpid="'.$default_value.'" target="_blank" href="'.$create_url.'" class="button button-small create-mtpg-button">'.__('Create New Custom', 'event_espresso').'</a>';
                 $st_args['create_button'] = EE_Registry::instance()->CAP->current_user_can('ee_edit_messages', 'espresso_messages_add_new_message_template') ? $st_args['create_button'] : '';
-                $st_args['edit_button'] = EE_Registry::instance()->CAP->current_user_can('ee_edit_message', 'espresso_messages_edit_message_template', $mtpgID) ? '<a data-messagetype="' . $mtpg->message_type() . '" data-grpid="' . $default_value . '" target="_blank" href="' . $edit_url . '" class="button button-small edit-mtpg-button">' . __('Edit', 'event_espresso') . '</a>' : '';
+                $st_args['edit_button'] = EE_Registry::instance()->CAP->current_user_can('ee_edit_message', 'espresso_messages_edit_message_template', $mtpgID) ? '<a data-messagetype="'.$mtpg->message_type().'" data-grpid="'.$default_value.'" target="_blank" href="'.$edit_url.'" class="button button-small edit-mtpg-button">'.__('Edit', 'event_espresso').'</a>' : '';
                 $selector_rows .= EEH_Template::display_template($template_row_path, $st_args, true);
             }
         }
@@ -603,7 +603,7 @@ 
      */
     public function get_template_fields()
     {
-        $template_fields = apply_filters('FHEE__' . get_class($this) . '__get_template_fields', $this->_template_fields, $this);
+        $template_fields = apply_filters('FHEE__'.get_class($this).'__get_template_fields', $this->_template_fields, $this);
         $template_fields = apply_filters('FHEE__EE_messenger__get_template_fields', $template_fields, $this);
         return $template_fields;
     }
@@ -620,8 +620,8 @@ 
     protected function _set_template_value($item, $value)
     {
         if (array_key_exists($item, $this->_template_fields)) {
-            $prop = '_' . $item;
-            $this->{$prop}= $value;
+            $prop = '_'.$item;
+            $this->{$prop} = $value;
         }
     }
 
@@ -681,7 +681,7 @@ 
                 $message,
                 $message_type
             );
-            if (! empty($settings)) {
+            if ( ! empty($settings)) {
                 foreach ($settings as $field => $value) {
                     $this->_set_template_value($field, $value);
                 }
@@ -689,12 +689,12 @@ 
         }
 
         // enqueue preview js so that any links/buttons on the page are disabled.
-        if (! $send) {
+        if ( ! $send) {
             // the below may seem like duplication.  However, typically if a messenger enqueues scripts/styles,
             // it deregisters all existing wp scripts and styles first.  So the second hook ensures our previewer still gets setup.
-            add_action('admin_enqueue_scripts', array( $this, 'add_preview_script' ), 10);
-            add_action('wp_enqueue_scripts', array( $this, 'add_preview_script' ), 10);
-            add_action('AHEE__EE_messenger__enqueue_scripts_styles', array( $this, 'add_preview_script' ), 10);
+            add_action('admin_enqueue_scripts', array($this, 'add_preview_script'), 10);
+            add_action('wp_enqueue_scripts', array($this, 'add_preview_script'), 10);
+            add_action('AHEE__EE_messenger__enqueue_scripts_styles', array($this, 'add_preview_script'), 10);
         }
 
         return $send ? $this->_send_message() : $this->_preview();
@@ -714,7 +714,7 @@ 
     {
         // error message
         EE_Registry::$i18n_js_strings['links_disabled'] = __('All the links on this page have been disabled because this is a generated preview message for the purpose of ensuring layout, style, and content setup.  To test generated links, you must trigger an actual message notification.', 'event_espresso');
-        wp_register_script('ee-messages-preview-js', EE_LIBRARIES_URL . 'messages/messenger/assets/js/ee-messages-preview.js', array( 'jquery' ), EVENT_ESPRESSO_VERSION, true);
+        wp_register_script('ee-messages-preview-js', EE_LIBRARIES_URL.'messages/messenger/assets/js/ee-messages-preview.js', array('jquery'), EVENT_ESPRESSO_VERSION, true);
         wp_localize_script('ee-messages-preview-js', 'eei18n', EE_Registry::$i18n_js_strings);
         wp_enqueue_script('ee-messages-preview-js');
     }
@@ -733,7 +733,7 @@ 
         $variation = $message->get_template_pack_variation();
 
         // verify we have the required template pack value on the $message object.
-        if (! $template_pack instanceof EE_Messages_Template_Pack) {
+        if ( ! $template_pack instanceof EE_Messages_Template_Pack) {
             throw new EE_Error(__('Incoming $message object must have an EE_Messages_Template_Pack object available.', 'event_espresso'));
         }
 
@@ -745,7 +745,7 @@ 
 
         foreach ($template_fields as $template => $value) {
             if ($template !== 'extra') {
-                $column_value = $message->get_field_or_extra_meta('MSG_' . $template);
+                $column_value = $message->get_field_or_extra_meta('MSG_'.$template);
                 $message_template_value = $column_value ? $column_value : null;
                 $this->_set_template_value($template, $message_template_value);
             }
@@ -769,7 +769,7 @@ 
         $wrapper_template = $this->_tmp_pack->get_wrapper($this->name, $type);
 
         // check file exists and is readable
-        if (!is_readable($wrapper_template)) {
+        if ( ! is_readable($wrapper_template)) {
             throw new EE_Error(sprintf(__('Unable to access the template file for the %s messenger main content wrapper.  The location being attempted is %s.', 'event_espresso'), ucwords($this->label['singular']), $wrapper_template));
         }
 
@@ -817,7 +817,7 @@ 
         /** @var EE_Message_Resource_Manager $Message_Resource_Manager */
         $Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
         $settings = $Message_Resource_Manager->get_active_messengers_option();
-        return isset($settings[ $this->name ]['test_settings']) ? $settings[ $this->name ]['test_settings'] : array();
+        return isset($settings[$this->name]['test_settings']) ? $settings[$this->name]['test_settings'] : array();
     }
 
 
@@ -834,7 +834,7 @@ 
         /** @var EE_Message_Resource_Manager $Message_Resource_Manager */
         $Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
         $existing = $Message_Resource_Manager->get_active_messengers_option();
-        $existing[ $this->name ]['test_settings'] = $settings;
+        $existing[$this->name]['test_settings'] = $settings;
         return $Message_Resource_Manager->update_active_messengers_option($existing);
     }
 
@@ -851,23 +851,23 @@ 
     public function get_field_label($field)
     {
         // first let's see if the field requests is in the top level array.
-        if (isset($this->_template_fields[ $field ]) && !empty($this->_template_fields[ $field ]['label'])) {
-            return $this->_template[ $field ]['label'];
+        if (isset($this->_template_fields[$field]) && ! empty($this->_template_fields[$field]['label'])) {
+            return $this->_template[$field]['label'];
         }
 
         // nope so let's look in the extra array to see if it's there HOWEVER if the field exists as a top level index in the extra array then we know the label is in the 'main' index.
-        if (isset($this->_template_fields['extra']) && !empty($this->_template_fields['extra'][ $field ]) && !empty($this->_template_fields['extra'][ $field ]['main']['label'])) {
-            return $this->_template_fields['extra'][ $field ]['main']['label'];
+        if (isset($this->_template_fields['extra']) && ! empty($this->_template_fields['extra'][$field]) && ! empty($this->_template_fields['extra'][$field]['main']['label'])) {
+            return $this->_template_fields['extra'][$field]['main']['label'];
         }
 
         // now it's possible this field may just be existing in any of the extra array items.
-        if (!empty($this->_template_fields['extra']) && is_array($this->_template_fields['extra'])) {
+        if ( ! empty($this->_template_fields['extra']) && is_array($this->_template_fields['extra'])) {
             foreach ($this->_template_fields['extra'] as $main_field => $subfields) {
-                if (!is_array($subfields)) {
+                if ( ! is_array($subfields)) {
                     continue;
                 }
-                if (isset($subfields[ $field ]) && !empty($subfields[ $field ]['label'])) {
-                    return $subfields[ $field ]['label'];
+                if (isset($subfields[$field]) && ! empty($subfields[$field]['label'])) {
+                    return $subfields[$field]['label'];
                 }
             }
         }

core/admin/templates/espresso_ratings_request_content.template.php

Indentation +8 added lines, -8 removed lines

@@ -1,9 +1,9 @@ 
 <div class="padding">
     <p><?php
-        _e(
-            'We need your help to continue maintaining and providing this plugin for free. You can help by leaving a positive review in the WordPress plugin directory. 5 star ratings bring Event Espresso Decaf to the attention of more users which increases our support and features for this version of Event Espresso.',
-            'event_espresso'
-        ); ?></p>
+		_e(
+			'We need your help to continue maintaining and providing this plugin for free. You can help by leaving a positive review in the WordPress plugin directory. 5 star ratings bring Event Espresso Decaf to the attention of more users which increases our support and features for this version of Event Espresso.',
+			'event_espresso'
+		); ?></p>
     <p><?php _e('Rate it five stars today!', 'event_espresso'); ?></p><span
         class="ee-wp-blue dashicons dashicons-star-filled"></span><span
         class="ee-wp-blue dashicons dashicons-star-filled"></span><span
@@ -12,8 +12,8 @@ 
         class="ee-wp-blue dashicons dashicons-star-filled"></span>
     <p><a class="button button-primary"
           href="https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Fview%2Fplugin-reviews%2Fevent-espresso-decaf%3Frate%3D5%23postform"><?php
-            _e(
-                'Rate It!',
-                'event_espresso'
-            ); ?></a></p>
+			_e(
+				'Rate It!',
+				'event_espresso'
+			); ?></a></p>
 </div>
\ No newline at end of file

core/libraries/line_item_display/EE_Admin_Table_Registration_Line_Item_Display_Strategy.strategy.php

Indentation +186 added lines, -186 removed lines

@@ -13,191 +13,191 @@
 class EE_Admin_Table_Registration_Line_Item_Display_Strategy extends EE_Admin_Table_Line_Item_Display_Strategy
 {
 
-    /**
-     * Table header for display.
-     * @since   4.8
-     * @param array $options
-     * @return string
-     */
-    protected function _table_header($options)
-    {
-        $html = EEH_HTML::table('', '', $options['table_css_class']);
-        $html .= EEH_HTML::thead();
-        $html .= EEH_HTML::tr();
-        $html .= EEH_HTML::th(__('Name', 'event_espresso'), '', 'jst-left');
-        $html .= EEH_HTML::th(__('Type', 'event_espresso'), '', 'jst-left');
-        $html .= EEH_HTML::th(__('Date(s)', 'event_espresso'), '', 'jst-left');
-        $html .= EEH_HTML::th(__('Amount', 'event_espresso'), '', 'jst-cntr');
-        $html .= EEH_HTML::tbody();
-        return $html;
-    }
-
-
-
-
-
-    /**
-     *    _item_row
-     *
-     * @param EE_Line_Item $line_item
-     * @param array        $options
-     * @return mixed
-     */
-    protected function _item_row(EE_Line_Item $line_item, $options = array())
-    {
-        $line_item_related_object = $line_item->get_object();
-        $parent_line_item_related_object = $line_item->parent() instanceof EE_Line_Item
-            ? $line_item->parent()->get_object()
-            : null;
-        // start of row
-        $row_class = $options['odd'] ? 'item odd' : 'item';
-        $html = EEH_HTML::tr('', '', $row_class);
-
-
-        // Name Column
-        $name_link = $line_item_related_object instanceof EEI_Admin_Links ? $line_item_related_object->get_admin_details_link() : '';
-
-        // related object scope.
-        $parent_related_object_name = $parent_line_item_related_object instanceof EEI_Line_Item_Object
-            ? $parent_line_item_related_object->name()
-            : '';
-        $parent_related_object_name = empty($parent_related_object_name) && $line_item->parent() instanceof EE_Line_Item
-            ? $line_item->parent()->name()
-            : $parent_related_object_name;
-        $parent_related_object_link = $parent_line_item_related_object instanceof EEI_Admin_Links
-            ? $parent_line_item_related_object->get_admin_details_link()
-            : '';
-
-
-        $name_html = $line_item_related_object instanceof EEI_Line_Item_Object
-            ? $line_item_related_object->name() : $line_item->name();
-        $name_html = $name_link ? '<a href="' . $name_link . '">' . $name_html . '</a>'
-            : $name_html;
-        $name_html .= $line_item->is_taxable() ? ' *' : '';
-        // maybe preface with icon?
-        $name_html = $line_item_related_object instanceof EEI_Has_Icon
-            ? $line_item_related_object->get_icon() . $name_html
-            : $name_html;
-        $name_html = '<span class="ee-line-item-name linked">' . $name_html . '</span><br>';
-        $name_html .=  sprintf(
-            _x('%1$sfor the %2$s: %3$s%4$s', 'eg. "for the Event: My Cool Event"', 'event_espresso'),
-            '<span class="ee-line-item-related-parent-object">',
-            $line_item->parent() instanceof EE_Line_Item
-                ? $line_item->parent()->OBJ_type_i18n()
-                : __('Item:', 'event_espresso'),
-            $parent_related_object_link
-                ? '<a href="' . $parent_related_object_link . '">' . $parent_related_object_name . '</a>'
-                : $parent_related_object_name,
-            '</span>'
-        );
-
-        $name_html = apply_filters(
-            'FHEE__EE_Admin_Table_Registration_Line_Item_Display_Strategy___item_row__name_html',
-            $name_html,
-            $line_item,
-            $options
-        );
+	/**
+	 * Table header for display.
+	 * @since   4.8
+	 * @param array $options
+	 * @return string
+	 */
+	protected function _table_header($options)
+	{
+		$html = EEH_HTML::table('', '', $options['table_css_class']);
+		$html .= EEH_HTML::thead();
+		$html .= EEH_HTML::tr();
+		$html .= EEH_HTML::th(__('Name', 'event_espresso'), '', 'jst-left');
+		$html .= EEH_HTML::th(__('Type', 'event_espresso'), '', 'jst-left');
+		$html .= EEH_HTML::th(__('Date(s)', 'event_espresso'), '', 'jst-left');
+		$html .= EEH_HTML::th(__('Amount', 'event_espresso'), '', 'jst-cntr');
+		$html .= EEH_HTML::tbody();
+		return $html;
+	}
+
+
+
+
+
+	/**
+	 *    _item_row
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param array        $options
+	 * @return mixed
+	 */
+	protected function _item_row(EE_Line_Item $line_item, $options = array())
+	{
+		$line_item_related_object = $line_item->get_object();
+		$parent_line_item_related_object = $line_item->parent() instanceof EE_Line_Item
+			? $line_item->parent()->get_object()
+			: null;
+		// start of row
+		$row_class = $options['odd'] ? 'item odd' : 'item';
+		$html = EEH_HTML::tr('', '', $row_class);
+
+
+		// Name Column
+		$name_link = $line_item_related_object instanceof EEI_Admin_Links ? $line_item_related_object->get_admin_details_link() : '';
+
+		// related object scope.
+		$parent_related_object_name = $parent_line_item_related_object instanceof EEI_Line_Item_Object
+			? $parent_line_item_related_object->name()
+			: '';
+		$parent_related_object_name = empty($parent_related_object_name) && $line_item->parent() instanceof EE_Line_Item
+			? $line_item->parent()->name()
+			: $parent_related_object_name;
+		$parent_related_object_link = $parent_line_item_related_object instanceof EEI_Admin_Links
+			? $parent_line_item_related_object->get_admin_details_link()
+			: '';
+
+
+		$name_html = $line_item_related_object instanceof EEI_Line_Item_Object
+			? $line_item_related_object->name() : $line_item->name();
+		$name_html = $name_link ? '<a href="' . $name_link . '">' . $name_html . '</a>'
+			: $name_html;
+		$name_html .= $line_item->is_taxable() ? ' *' : '';
+		// maybe preface with icon?
+		$name_html = $line_item_related_object instanceof EEI_Has_Icon
+			? $line_item_related_object->get_icon() . $name_html
+			: $name_html;
+		$name_html = '<span class="ee-line-item-name linked">' . $name_html . '</span><br>';
+		$name_html .=  sprintf(
+			_x('%1$sfor the %2$s: %3$s%4$s', 'eg. "for the Event: My Cool Event"', 'event_espresso'),
+			'<span class="ee-line-item-related-parent-object">',
+			$line_item->parent() instanceof EE_Line_Item
+				? $line_item->parent()->OBJ_type_i18n()
+				: __('Item:', 'event_espresso'),
+			$parent_related_object_link
+				? '<a href="' . $parent_related_object_link . '">' . $parent_related_object_name . '</a>'
+				: $parent_related_object_name,
+			'</span>'
+		);
+
+		$name_html = apply_filters(
+			'FHEE__EE_Admin_Table_Registration_Line_Item_Display_Strategy___item_row__name_html',
+			$name_html,
+			$line_item,
+			$options
+		);
         
-        $html .= EEH_HTML::td($name_html, '', 'jst-left');
-        // Type Column
-        $type_html = $line_item->OBJ_type() ? $line_item->OBJ_type_i18n() : '';
-        $type_html .= $this->_get_cancellations($line_item);
-        $type_html .= $line_item->OBJ_type() ? '<br />' : '';
-        $code = $line_item_related_object instanceof EEI_Has_Code ? $line_item_related_object->code() : '';
-        $type_html .= ! empty($code) ? '<span class="ee-line-item-id">' . sprintf(__('Code: %s', 'event_espresso'), $code) . '</span>' : '';
-        $html .= EEH_HTML::td($type_html, '', 'jst-left');
-
-        // Date column
-        $datetime_content = '';
-        if ($line_item_related_object instanceof EE_Ticket) {
-            $datetimes = $line_item_related_object->datetimes();
-            foreach ($datetimes as $datetime) {
-                if ($datetime instanceof EE_Datetime) {
-                    $datetime_content .= $datetime->get_dtt_display_name() . '<br>';
-                }
-            }
-        }
-        $html .= EEH_HTML::td($datetime_content, '', 'jst-left');
-
-        // Amount Column
-        if ($line_item->is_percent()) {
-            $html .= EEH_HTML::td($line_item->percent() . '%', '', 'jst-rght');
-        } else {
-            $html .= EEH_HTML::td($line_item->unit_price_no_code(), '', 'jst-rght');
-        }
-
-
-        // finish things off and return
-        $html .= EEH_HTML::trx();
-        return $html;
-    }
-
-
-
-    /**
-     *  _tax_row
-     *
-     * @param EE_Line_Item $line_item
-     * @param array        $options
-     * @return mixed
-     */
-    protected function _tax_row(EE_Line_Item $line_item, $options = array())
-    {
-        // start of row
-        $html = EEH_HTML::tr('', 'admin-primary-mbox-taxes-tr');
-        // name th
-        $html .= EEH_HTML::th($line_item->name() . '(' . $line_item->get_pretty('LIN_percent') . '%)', '', 'jst-rght', '', ' colspan="3"');
-        // total th
-        $html .= EEH_HTML::th(EEH_Template::format_currency($line_item->total(), false, false), '', 'jst-rght');
-        // end of row
-        $html .= EEH_HTML::trx();
-        return $html;
-    }
-
-
-
-
-
-    /**
-     *  _total_row
-     *
-     * @param EE_Line_Item $line_item
-     * @param array        $options
-     * @return mixed
-     */
-    protected function _total_row(EE_Line_Item $line_item, $options = array())
-    {
-
-        $registration = isset($options['EE_Registration']) ? $options['EE_Registration'] : null;
-        $registration_total = $registration instanceof EE_Registration ? $registration->pretty_final_price() : 0;
-        // if no valid registration object then we're not going to show the approximate text.
-        $total_match = $registration instanceof EE_Registration
-            ? $registration->final_price() === $line_item->total()
-            : true;
-
-        // start of row
-        $html = EEH_HTML::tr('', '', 'admin-primary-mbox-total-tr');
-        // Total th label
-        if ($total_match) {
-            $total_label = sprintf(__('This registration\'s total %s:', 'event_espresso'), '(' . EE_Registry::instance()->CFG->currency->code . ')');
-        } else {
-            $total_label = sprintf(__('This registration\'s approximate total %s', 'event_espresso'), '(' . EE_Registry::instance()->CFG->currency->code . ')');
-            $total_label .= '<br>';
-            $total_label .= '<p class="ee-footnote-text">'
-                            . sprintf(
-                                __('The registrations\' share of the transaction total is approximate because it might not be possible to evenly divide the transaction total among each registration, and so some registrations may need to pay a penny more than others.  This registration\'s final share is actually %1$s%2$s%3$s.', 'event_espresso'),
-                                '<strong>',
-                                $registration_total,
-                                '</strong>'
-                            )
-                            . '</p>';
-        }
-        $html .= EEH_HTML::th($total_label, '', 'jst-rght', '', ' colspan="3"');
-        // total th
-
-        $html .= EEH_HTML::th(EEH_Template::format_currency($line_item->total(), false, false), '', 'jst-rght');
-        // end of row
-        $html .= EEH_HTML::trx();
-        return $html;
-    }
+		$html .= EEH_HTML::td($name_html, '', 'jst-left');
+		// Type Column
+		$type_html = $line_item->OBJ_type() ? $line_item->OBJ_type_i18n() : '';
+		$type_html .= $this->_get_cancellations($line_item);
+		$type_html .= $line_item->OBJ_type() ? '<br />' : '';
+		$code = $line_item_related_object instanceof EEI_Has_Code ? $line_item_related_object->code() : '';
+		$type_html .= ! empty($code) ? '<span class="ee-line-item-id">' . sprintf(__('Code: %s', 'event_espresso'), $code) . '</span>' : '';
+		$html .= EEH_HTML::td($type_html, '', 'jst-left');
+
+		// Date column
+		$datetime_content = '';
+		if ($line_item_related_object instanceof EE_Ticket) {
+			$datetimes = $line_item_related_object->datetimes();
+			foreach ($datetimes as $datetime) {
+				if ($datetime instanceof EE_Datetime) {
+					$datetime_content .= $datetime->get_dtt_display_name() . '<br>';
+				}
+			}
+		}
+		$html .= EEH_HTML::td($datetime_content, '', 'jst-left');
+
+		// Amount Column
+		if ($line_item->is_percent()) {
+			$html .= EEH_HTML::td($line_item->percent() . '%', '', 'jst-rght');
+		} else {
+			$html .= EEH_HTML::td($line_item->unit_price_no_code(), '', 'jst-rght');
+		}
+
+
+		// finish things off and return
+		$html .= EEH_HTML::trx();
+		return $html;
+	}
+
+
+
+	/**
+	 *  _tax_row
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param array        $options
+	 * @return mixed
+	 */
+	protected function _tax_row(EE_Line_Item $line_item, $options = array())
+	{
+		// start of row
+		$html = EEH_HTML::tr('', 'admin-primary-mbox-taxes-tr');
+		// name th
+		$html .= EEH_HTML::th($line_item->name() . '(' . $line_item->get_pretty('LIN_percent') . '%)', '', 'jst-rght', '', ' colspan="3"');
+		// total th
+		$html .= EEH_HTML::th(EEH_Template::format_currency($line_item->total(), false, false), '', 'jst-rght');
+		// end of row
+		$html .= EEH_HTML::trx();
+		return $html;
+	}
+
+
+
+
+
+	/**
+	 *  _total_row
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param array        $options
+	 * @return mixed
+	 */
+	protected function _total_row(EE_Line_Item $line_item, $options = array())
+	{
+
+		$registration = isset($options['EE_Registration']) ? $options['EE_Registration'] : null;
+		$registration_total = $registration instanceof EE_Registration ? $registration->pretty_final_price() : 0;
+		// if no valid registration object then we're not going to show the approximate text.
+		$total_match = $registration instanceof EE_Registration
+			? $registration->final_price() === $line_item->total()
+			: true;
+
+		// start of row
+		$html = EEH_HTML::tr('', '', 'admin-primary-mbox-total-tr');
+		// Total th label
+		if ($total_match) {
+			$total_label = sprintf(__('This registration\'s total %s:', 'event_espresso'), '(' . EE_Registry::instance()->CFG->currency->code . ')');
+		} else {
+			$total_label = sprintf(__('This registration\'s approximate total %s', 'event_espresso'), '(' . EE_Registry::instance()->CFG->currency->code . ')');
+			$total_label .= '<br>';
+			$total_label .= '<p class="ee-footnote-text">'
+							. sprintf(
+								__('The registrations\' share of the transaction total is approximate because it might not be possible to evenly divide the transaction total among each registration, and so some registrations may need to pay a penny more than others.  This registration\'s final share is actually %1$s%2$s%3$s.', 'event_espresso'),
+								'<strong>',
+								$registration_total,
+								'</strong>'
+							)
+							. '</p>';
+		}
+		$html .= EEH_HTML::th($total_label, '', 'jst-rght', '', ' colspan="3"');
+		// total th
+
+		$html .= EEH_HTML::th(EEH_Template::format_currency($line_item->total(), false, false), '', 'jst-rght');
+		// end of row
+		$html .= EEH_HTML::trx();
+		return $html;
+	}
 }

core/libraries/line_item_display/EE_Admin_Table_Line_Item_Display_Strategy.strategy.php

Indentation +328 added lines, -328 removed lines

@@ -14,332 +14,332 @@
 {
 
 
-    /**
-     * whether to display the taxes row or not
-     * @type bool $_show_taxes
-     */
-    protected $_show_taxes = false;
-
-    /**
-     * html for any tax rows
-     * @type string $_show_taxes
-     */
-    protected $_taxes_html = '';
-
-
-    /**
-     * total amount including tax we can bill for at this time
-     * @type float $_grand_total
-     */
-    protected $_grand_total = 0.00;
-
-
-
-    /**
-     * @return float
-     */
-    public function grand_total()
-    {
-        return $this->_grand_total;
-    }
-
-
-
-    /**
-     * This is used to output a single
-     * @param EE_Line_Item $line_item
-     * @param array        $options
-     * @return mixed
-     */
-    public function display_line_item(EE_Line_Item $line_item, $options = array())
-    {
-
-        $html = '';
-        // set some default options and merge with incoming
-        $default_options = array(
-            'odd' => true,
-            'use_table_wrapper' => true,
-            'table_css_class' => 'admin-primary-mbox-tbl',
-            'taxes_tr_css_class' => 'admin-primary-mbox-taxes-tr',
-            'total_tr_css_class' => 'admin-primary-mbox-total-tr'
-        );
-        $options = array_merge($default_options, (array) $options);
-
-        switch ($line_item->type()) {
-            case EEM_Line_Item::type_line_item:
-                // item row
-                $html .= $this->_item_row($line_item, $options);
-                break;
-
-            case EEM_Line_Item::type_sub_line_item:
-                $html .= $this->_sub_item_row($line_item, $options);
-                break;
-
-            case EEM_Line_Item::type_sub_total:
-                if ($line_item->quantity() === 0) {
-                    return $html;
-                }
-                // loop through children
-                $child_line_items = $line_item->children();
-                // loop through children
-                foreach ($child_line_items as $child_line_item) {
-                    // recursively feed children back into this method
-                    $html .= $this->display_line_item($child_line_item, $options);
-                }
-                $html .= $this->_sub_total_row($line_item, $options);
-                break;
-
-            case EEM_Line_Item::type_tax:
-                if ($this->_show_taxes) {
-                    $this->_taxes_html .= $this->_tax_row($line_item, $options);
-                }
-                break;
-
-            case EEM_Line_Item::type_tax_sub_total:
-                foreach ($line_item->children() as $child_line_item) {
-                    if ($child_line_item->type() == EEM_Line_Item::type_tax) {
-                        $this->display_line_item($child_line_item, $options);
-                    }
-                }
-                break;
-
-            case EEM_Line_Item::type_total:
-                // determine whether to display taxes or not
-                $this->_show_taxes = $line_item->get_total_tax() > 0 ? true : false;
-                // get all child line items
-                $children = $line_item->children();
-
-                // loop thru all non-tax child line items
-                foreach ($children as $child_line_item) {
-                        $html .= $this->display_line_item($child_line_item, $options);
-                }
-
-                $html .= $this->_taxes_html;
-                $html .= $this->_total_row($line_item, $options);
-                if ($options['use_table_wrapper']) {
-                    $html = $this->_table_header($options) . $html . $this->_table_footer($options);
-                }
-                break;
-        }
-
-        return $html;
-    }
-
-
-
-    /**
-     * Table header for display.
-     * @since   4.8
-     * @param array $options
-     * @return string
-     */
-    protected function _table_header($options)
-    {
-        $html = EEH_HTML::table('', '', $options['table_css_class']);
-        $html .= EEH_HTML::thead();
-        $html .= EEH_HTML::tr();
-        $html .= EEH_HTML::th(__('Name', 'event_espresso'), '', 'jst-left');
-        $html .= EEH_HTML::th(__('Type', 'event_espresso'), '', 'jst-left');
-        $html .= EEH_HTML::th(__('Amount', 'event_espresso'), '', 'jst-cntr');
-        $html .= EEH_HTML::th(__('Qty', 'event_espresso'), '', 'jst-cntr');
-        $html .= EEH_HTML::th(__('Line Total', 'event_espresso'), '', 'jst-cntr');
-        $html .= EEH_HTML::tbody();
-        return $html;
-    }
-
-
-    /**
-     * Table footer for display
-     * @since 4.8
-     * @param array $options array of options for the table.
-     * @return string
-     */
-    protected function _table_footer($options)
-    {
-        return EEH_HTML::tbodyx() .  EEH_HTML::tablex();
-    }
-
-
-
-    /**
-     *    _item_row
-     *
-     * @param EE_Line_Item $line_item
-     * @param array        $options
-     * @return mixed
-     */
-    protected function _item_row(EE_Line_Item $line_item, $options = array())
-    {
-        $line_item_related_object = $line_item->get_object();
-        $parent_line_item_related_object = $line_item->parent() instanceof EE_Line_Item ? $line_item->parent()->get_object() : null;
-        // start of row
-        $row_class = $options['odd'] ? 'item odd' : 'item';
-        $html = EEH_HTML::tr('', '', $row_class);
-
-
-        // Name Column
-        $name_link = $line_item_related_object instanceof EEI_Admin_Links ? $line_item_related_object->get_admin_details_link() : '';
-
-        // related object scope.
-        $parent_related_object_name = $parent_line_item_related_object instanceof EEI_Line_Item_Object ? $parent_line_item_related_object->name() : '';
-        $parent_related_object_name = empty($parent_related_object_name) && $line_item->parent() instanceof EE_Line_Item ? $line_item->parent()->name() : $parent_related_object_name;
-        $parent_related_object_link = $parent_line_item_related_object instanceof EEI_Admin_Links ? $parent_line_item_related_object->get_admin_details_link() : '';
-
-
-        $name_html = $line_item_related_object instanceof EEI_Line_Item_Object ? $line_item_related_object->name() : $line_item->name();
-        $name_html = $name_link ? '<a href="' . $name_link . '">' . $name_html . '</a>' : $name_html;
-        $name_html .= $line_item->is_taxable() ? ' *' : '';
-        // maybe preface with icon?
-        $name_html = $line_item_related_object instanceof EEI_Has_Icon ? $line_item_related_object->get_icon() . $name_html : $name_html;
-        $name_html = '<span class="ee-line-item-name linked">' . $name_html . '</span><br>';
-        $name_html .=  sprintf(
-            _x('%1$sfor the %2$s: %3$s%4$s', 'eg. "for the Event: My Cool Event"', 'event_espresso'),
-            '<span class="ee-line-item-related-parent-object">',
-            $line_item->parent() instanceof EE_Line_Item ? $line_item->parent()->OBJ_type_i18n() : __('Item:', 'event_espresso'),
-            $parent_related_object_link ? '<a href="' . $parent_related_object_link . '">' . $parent_related_object_name . '</a>' : $parent_related_object_name,
-            '</span>'
-        );
-
-        $name_html = apply_filters(
-            'FHEE__EE_Admin_Table_Line_Item_Display_Strategy___item_row__name_html',
-            $name_html,
-            $line_item,
-            $options
-        );
-
-        $html .= EEH_HTML::td($name_html, '', 'jst-left');
-        // Type Column
-        $type_html = $line_item->OBJ_type() ? $line_item->OBJ_type_i18n() : '';
-        $type_html .= $this->_get_cancellations($line_item);
-        $type_html .= $line_item->OBJ_type() ? '<br />' : '';
-        $code = $line_item_related_object instanceof EEI_Has_Code ? $line_item_related_object->code() : '';
-        $type_html .= ! empty($code) ? '<span class="ee-line-item-id">' . sprintf(__('Code: %s', 'event_espresso'), $code) . '</span>' : '';
-        $html .= EEH_HTML::td($type_html, '', 'jst-left');
-
-
-        // Amount Column
-        if ($line_item->is_percent()) {
-            $html .= EEH_HTML::td($line_item->percent() . '%', '', 'jst-rght');
-        } else {
-            $html .= EEH_HTML::td($line_item->unit_price_no_code(), '', 'jst-rght');
-        }
-
-        // QTY column
-        $html .= EEH_HTML::td($line_item->quantity(), '', 'jst-rght');
-
-        // total column
-        $html .= EEH_HTML::td(EEH_Template::format_currency($line_item->total(), false, false), '', 'jst-rght');
-
-        // finish things off and return
-        $html .= EEH_HTML::trx();
-        return $html;
-    }
-
-
-
-    /**
-     *    _get_cancellations
-     *
-     * @param EE_Line_Item $line_item
-     * @return string
-     */
-    protected function _get_cancellations(EE_Line_Item $line_item)
-    {
-        $html = '';
-        $cancellations = $line_item->get_cancellations();
-        $cancellation = reset($cancellations);
-        // \EEH_Debug_Tools::printr( $cancellation, '$cancellation', __FILE__, __LINE__ );
-        if ($cancellation instanceof EE_Line_Item) {
-            $html .= ' <span class="ee-line-item-id">';
-            $html .= sprintf(
-                _n(
-                    '(%1$s Cancellation)',
-                    '(%1$s Cancellations)',
-                    $cancellation->quantity(),
-                    'event_espresso'
-                ),
-                $cancellation->quantity()
-            );
-            $html .= '</span>';
-        }
-        return $html;
-    }
-
-
-
-    /**
-     *  _sub_item_row
-     *
-     * @param EE_Line_Item $line_item
-     * @param array        $options
-     * @return mixed
-     */
-    protected function _sub_item_row(EE_Line_Item $line_item, $options = array())
-    {
-        // for now we're not showing sub-items
-        return '';
-    }
-
-
-
-    /**
-     *  _tax_row
-     *
-     * @param EE_Line_Item $line_item
-     * @param array        $options
-     * @return mixed
-     */
-    protected function _tax_row(EE_Line_Item $line_item, $options = array())
-    {
-        // start of row
-        $html = EEH_HTML::tr('', 'admin-primary-mbox-taxes-tr');
-        // name th
-        $html .= EEH_HTML::th($line_item->name() . '(' . $line_item->get_pretty('LIN_percent') . '%)', '', 'jst-rght', '', ' colspan="4"');
-        // total th
-        $html .= EEH_HTML::th(EEH_Template::format_currency($line_item->total(), false, false), '', 'jst-rght');
-        // end of row
-        $html .= EEH_HTML::trx();
-        return $html;
-    }
-
-
-
-
-    /**
-     *  _total_row
-     *
-     * @param EE_Line_Item $line_item
-     * @param string       $text
-     * @param array        $options
-     * @return mixed
-     */
-    protected function _sub_total_row(EE_Line_Item $line_item, $text = '', $options = array())
-    {
-        // currently not showing subtotal row
-        return '';
-    }
-
-
-
-    /**
-     *  _total_row
-     *
-     * @param EE_Line_Item $line_item
-     * @param array        $options
-     * @return mixed
-     */
-    protected function _total_row(EE_Line_Item $line_item, $options = array())
-    {
-        // start of row
-        $html = EEH_HTML::tr('', '', 'admin-primary-mbox-total-tr');
-        // Total th label
-        $total_label = sprintf(__('Transaction Total %s', 'event_espresso'), '(' . EE_Registry::instance()->CFG->currency->code . ')');
-        $html .= EEH_HTML::th($total_label, '', 'jst-rght', '', ' colspan="4"');
-        // total th
-
-        $html .= EEH_HTML::th(EEH_Template::format_currency($line_item->total(), false, false), '', 'jst-rght');
-        // end of row
-        $html .= EEH_HTML::trx();
-        return $html;
-    }
+	/**
+	 * whether to display the taxes row or not
+	 * @type bool $_show_taxes
+	 */
+	protected $_show_taxes = false;
+
+	/**
+	 * html for any tax rows
+	 * @type string $_show_taxes
+	 */
+	protected $_taxes_html = '';
+
+
+	/**
+	 * total amount including tax we can bill for at this time
+	 * @type float $_grand_total
+	 */
+	protected $_grand_total = 0.00;
+
+
+
+	/**
+	 * @return float
+	 */
+	public function grand_total()
+	{
+		return $this->_grand_total;
+	}
+
+
+
+	/**
+	 * This is used to output a single
+	 * @param EE_Line_Item $line_item
+	 * @param array        $options
+	 * @return mixed
+	 */
+	public function display_line_item(EE_Line_Item $line_item, $options = array())
+	{
+
+		$html = '';
+		// set some default options and merge with incoming
+		$default_options = array(
+			'odd' => true,
+			'use_table_wrapper' => true,
+			'table_css_class' => 'admin-primary-mbox-tbl',
+			'taxes_tr_css_class' => 'admin-primary-mbox-taxes-tr',
+			'total_tr_css_class' => 'admin-primary-mbox-total-tr'
+		);
+		$options = array_merge($default_options, (array) $options);
+
+		switch ($line_item->type()) {
+			case EEM_Line_Item::type_line_item:
+				// item row
+				$html .= $this->_item_row($line_item, $options);
+				break;
+
+			case EEM_Line_Item::type_sub_line_item:
+				$html .= $this->_sub_item_row($line_item, $options);
+				break;
+
+			case EEM_Line_Item::type_sub_total:
+				if ($line_item->quantity() === 0) {
+					return $html;
+				}
+				// loop through children
+				$child_line_items = $line_item->children();
+				// loop through children
+				foreach ($child_line_items as $child_line_item) {
+					// recursively feed children back into this method
+					$html .= $this->display_line_item($child_line_item, $options);
+				}
+				$html .= $this->_sub_total_row($line_item, $options);
+				break;
+
+			case EEM_Line_Item::type_tax:
+				if ($this->_show_taxes) {
+					$this->_taxes_html .= $this->_tax_row($line_item, $options);
+				}
+				break;
+
+			case EEM_Line_Item::type_tax_sub_total:
+				foreach ($line_item->children() as $child_line_item) {
+					if ($child_line_item->type() == EEM_Line_Item::type_tax) {
+						$this->display_line_item($child_line_item, $options);
+					}
+				}
+				break;
+
+			case EEM_Line_Item::type_total:
+				// determine whether to display taxes or not
+				$this->_show_taxes = $line_item->get_total_tax() > 0 ? true : false;
+				// get all child line items
+				$children = $line_item->children();
+
+				// loop thru all non-tax child line items
+				foreach ($children as $child_line_item) {
+						$html .= $this->display_line_item($child_line_item, $options);
+				}
+
+				$html .= $this->_taxes_html;
+				$html .= $this->_total_row($line_item, $options);
+				if ($options['use_table_wrapper']) {
+					$html = $this->_table_header($options) . $html . $this->_table_footer($options);
+				}
+				break;
+		}
+
+		return $html;
+	}
+
+
+
+	/**
+	 * Table header for display.
+	 * @since   4.8
+	 * @param array $options
+	 * @return string
+	 */
+	protected function _table_header($options)
+	{
+		$html = EEH_HTML::table('', '', $options['table_css_class']);
+		$html .= EEH_HTML::thead();
+		$html .= EEH_HTML::tr();
+		$html .= EEH_HTML::th(__('Name', 'event_espresso'), '', 'jst-left');
+		$html .= EEH_HTML::th(__('Type', 'event_espresso'), '', 'jst-left');
+		$html .= EEH_HTML::th(__('Amount', 'event_espresso'), '', 'jst-cntr');
+		$html .= EEH_HTML::th(__('Qty', 'event_espresso'), '', 'jst-cntr');
+		$html .= EEH_HTML::th(__('Line Total', 'event_espresso'), '', 'jst-cntr');
+		$html .= EEH_HTML::tbody();
+		return $html;
+	}
+
+
+	/**
+	 * Table footer for display
+	 * @since 4.8
+	 * @param array $options array of options for the table.
+	 * @return string
+	 */
+	protected function _table_footer($options)
+	{
+		return EEH_HTML::tbodyx() .  EEH_HTML::tablex();
+	}
+
+
+
+	/**
+	 *    _item_row
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param array        $options
+	 * @return mixed
+	 */
+	protected function _item_row(EE_Line_Item $line_item, $options = array())
+	{
+		$line_item_related_object = $line_item->get_object();
+		$parent_line_item_related_object = $line_item->parent() instanceof EE_Line_Item ? $line_item->parent()->get_object() : null;
+		// start of row
+		$row_class = $options['odd'] ? 'item odd' : 'item';
+		$html = EEH_HTML::tr('', '', $row_class);
+
+
+		// Name Column
+		$name_link = $line_item_related_object instanceof EEI_Admin_Links ? $line_item_related_object->get_admin_details_link() : '';
+
+		// related object scope.
+		$parent_related_object_name = $parent_line_item_related_object instanceof EEI_Line_Item_Object ? $parent_line_item_related_object->name() : '';
+		$parent_related_object_name = empty($parent_related_object_name) && $line_item->parent() instanceof EE_Line_Item ? $line_item->parent()->name() : $parent_related_object_name;
+		$parent_related_object_link = $parent_line_item_related_object instanceof EEI_Admin_Links ? $parent_line_item_related_object->get_admin_details_link() : '';
+
+
+		$name_html = $line_item_related_object instanceof EEI_Line_Item_Object ? $line_item_related_object->name() : $line_item->name();
+		$name_html = $name_link ? '<a href="' . $name_link . '">' . $name_html . '</a>' : $name_html;
+		$name_html .= $line_item->is_taxable() ? ' *' : '';
+		// maybe preface with icon?
+		$name_html = $line_item_related_object instanceof EEI_Has_Icon ? $line_item_related_object->get_icon() . $name_html : $name_html;
+		$name_html = '<span class="ee-line-item-name linked">' . $name_html . '</span><br>';
+		$name_html .=  sprintf(
+			_x('%1$sfor the %2$s: %3$s%4$s', 'eg. "for the Event: My Cool Event"', 'event_espresso'),
+			'<span class="ee-line-item-related-parent-object">',
+			$line_item->parent() instanceof EE_Line_Item ? $line_item->parent()->OBJ_type_i18n() : __('Item:', 'event_espresso'),
+			$parent_related_object_link ? '<a href="' . $parent_related_object_link . '">' . $parent_related_object_name . '</a>' : $parent_related_object_name,
+			'</span>'
+		);
+
+		$name_html = apply_filters(
+			'FHEE__EE_Admin_Table_Line_Item_Display_Strategy___item_row__name_html',
+			$name_html,
+			$line_item,
+			$options
+		);
+
+		$html .= EEH_HTML::td($name_html, '', 'jst-left');
+		// Type Column
+		$type_html = $line_item->OBJ_type() ? $line_item->OBJ_type_i18n() : '';
+		$type_html .= $this->_get_cancellations($line_item);
+		$type_html .= $line_item->OBJ_type() ? '<br />' : '';
+		$code = $line_item_related_object instanceof EEI_Has_Code ? $line_item_related_object->code() : '';
+		$type_html .= ! empty($code) ? '<span class="ee-line-item-id">' . sprintf(__('Code: %s', 'event_espresso'), $code) . '</span>' : '';
+		$html .= EEH_HTML::td($type_html, '', 'jst-left');
+
+
+		// Amount Column
+		if ($line_item->is_percent()) {
+			$html .= EEH_HTML::td($line_item->percent() . '%', '', 'jst-rght');
+		} else {
+			$html .= EEH_HTML::td($line_item->unit_price_no_code(), '', 'jst-rght');
+		}
+
+		// QTY column
+		$html .= EEH_HTML::td($line_item->quantity(), '', 'jst-rght');
+
+		// total column
+		$html .= EEH_HTML::td(EEH_Template::format_currency($line_item->total(), false, false), '', 'jst-rght');
+
+		// finish things off and return
+		$html .= EEH_HTML::trx();
+		return $html;
+	}
+
+
+
+	/**
+	 *    _get_cancellations
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @return string
+	 */
+	protected function _get_cancellations(EE_Line_Item $line_item)
+	{
+		$html = '';
+		$cancellations = $line_item->get_cancellations();
+		$cancellation = reset($cancellations);
+		// \EEH_Debug_Tools::printr( $cancellation, '$cancellation', __FILE__, __LINE__ );
+		if ($cancellation instanceof EE_Line_Item) {
+			$html .= ' <span class="ee-line-item-id">';
+			$html .= sprintf(
+				_n(
+					'(%1$s Cancellation)',
+					'(%1$s Cancellations)',
+					$cancellation->quantity(),
+					'event_espresso'
+				),
+				$cancellation->quantity()
+			);
+			$html .= '</span>';
+		}
+		return $html;
+	}
+
+
+
+	/**
+	 *  _sub_item_row
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param array        $options
+	 * @return mixed
+	 */
+	protected function _sub_item_row(EE_Line_Item $line_item, $options = array())
+	{
+		// for now we're not showing sub-items
+		return '';
+	}
+
+
+
+	/**
+	 *  _tax_row
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param array        $options
+	 * @return mixed
+	 */
+	protected function _tax_row(EE_Line_Item $line_item, $options = array())
+	{
+		// start of row
+		$html = EEH_HTML::tr('', 'admin-primary-mbox-taxes-tr');
+		// name th
+		$html .= EEH_HTML::th($line_item->name() . '(' . $line_item->get_pretty('LIN_percent') . '%)', '', 'jst-rght', '', ' colspan="4"');
+		// total th
+		$html .= EEH_HTML::th(EEH_Template::format_currency($line_item->total(), false, false), '', 'jst-rght');
+		// end of row
+		$html .= EEH_HTML::trx();
+		return $html;
+	}
+
+
+
+
+	/**
+	 *  _total_row
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param string       $text
+	 * @param array        $options
+	 * @return mixed
+	 */
+	protected function _sub_total_row(EE_Line_Item $line_item, $text = '', $options = array())
+	{
+		// currently not showing subtotal row
+		return '';
+	}
+
+
+
+	/**
+	 *  _total_row
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param array        $options
+	 * @return mixed
+	 */
+	protected function _total_row(EE_Line_Item $line_item, $options = array())
+	{
+		// start of row
+		$html = EEH_HTML::tr('', '', 'admin-primary-mbox-total-tr');
+		// Total th label
+		$total_label = sprintf(__('Transaction Total %s', 'event_espresso'), '(' . EE_Registry::instance()->CFG->currency->code . ')');
+		$html .= EEH_HTML::th($total_label, '', 'jst-rght', '', ' colspan="4"');
+		// total th
+
+		$html .= EEH_HTML::th(EEH_Template::format_currency($line_item->total(), false, false), '', 'jst-rght');
+		// end of row
+		$html .= EEH_HTML::trx();
+		return $html;
+	}
 }

Spacing +11 added lines, -11 removed lines

@@ -117,7 +117,7 @@ 
                 $html .= $this->_taxes_html;
                 $html .= $this->_total_row($line_item, $options);
                 if ($options['use_table_wrapper']) {
-                    $html = $this->_table_header($options) . $html . $this->_table_footer($options);
+                    $html = $this->_table_header($options).$html.$this->_table_footer($options);
                 }
                 break;
         }
@@ -156,7 +156,7 @@ 
      */
     protected function _table_footer($options)
     {
-        return EEH_HTML::tbodyx() .  EEH_HTML::tablex();
+        return EEH_HTML::tbodyx().EEH_HTML::tablex();
     }
 
 
@@ -187,16 +187,16 @@ 
 
 
         $name_html = $line_item_related_object instanceof EEI_Line_Item_Object ? $line_item_related_object->name() : $line_item->name();
-        $name_html = $name_link ? '<a href="' . $name_link . '">' . $name_html . '</a>' : $name_html;
+        $name_html = $name_link ? '<a href="'.$name_link.'">'.$name_html.'</a>' : $name_html;
         $name_html .= $line_item->is_taxable() ? ' *' : '';
         // maybe preface with icon?
-        $name_html = $line_item_related_object instanceof EEI_Has_Icon ? $line_item_related_object->get_icon() . $name_html : $name_html;
-        $name_html = '<span class="ee-line-item-name linked">' . $name_html . '</span><br>';
-        $name_html .=  sprintf(
+        $name_html = $line_item_related_object instanceof EEI_Has_Icon ? $line_item_related_object->get_icon().$name_html : $name_html;
+        $name_html = '<span class="ee-line-item-name linked">'.$name_html.'</span><br>';
+        $name_html .= sprintf(
             _x('%1$sfor the %2$s: %3$s%4$s', 'eg. "for the Event: My Cool Event"', 'event_espresso'),
             '<span class="ee-line-item-related-parent-object">',
             $line_item->parent() instanceof EE_Line_Item ? $line_item->parent()->OBJ_type_i18n() : __('Item:', 'event_espresso'),
-            $parent_related_object_link ? '<a href="' . $parent_related_object_link . '">' . $parent_related_object_name . '</a>' : $parent_related_object_name,
+            $parent_related_object_link ? '<a href="'.$parent_related_object_link.'">'.$parent_related_object_name.'</a>' : $parent_related_object_name,
             '</span>'
         );
 
@@ -213,13 +213,13 @@ 
         $type_html .= $this->_get_cancellations($line_item);
         $type_html .= $line_item->OBJ_type() ? '<br />' : '';
         $code = $line_item_related_object instanceof EEI_Has_Code ? $line_item_related_object->code() : '';
-        $type_html .= ! empty($code) ? '<span class="ee-line-item-id">' . sprintf(__('Code: %s', 'event_espresso'), $code) . '</span>' : '';
+        $type_html .= ! empty($code) ? '<span class="ee-line-item-id">'.sprintf(__('Code: %s', 'event_espresso'), $code).'</span>' : '';
         $html .= EEH_HTML::td($type_html, '', 'jst-left');
 
 
         // Amount Column
         if ($line_item->is_percent()) {
-            $html .= EEH_HTML::td($line_item->percent() . '%', '', 'jst-rght');
+            $html .= EEH_HTML::td($line_item->percent().'%', '', 'jst-rght');
         } else {
             $html .= EEH_HTML::td($line_item->unit_price_no_code(), '', 'jst-rght');
         }
@@ -294,7 +294,7 @@ 
         // start of row
         $html = EEH_HTML::tr('', 'admin-primary-mbox-taxes-tr');
         // name th
-        $html .= EEH_HTML::th($line_item->name() . '(' . $line_item->get_pretty('LIN_percent') . '%)', '', 'jst-rght', '', ' colspan="4"');
+        $html .= EEH_HTML::th($line_item->name().'('.$line_item->get_pretty('LIN_percent').'%)', '', 'jst-rght', '', ' colspan="4"');
         // total th
         $html .= EEH_HTML::th(EEH_Template::format_currency($line_item->total(), false, false), '', 'jst-rght');
         // end of row
@@ -333,7 +333,7 @@ 
         // start of row
         $html = EEH_HTML::tr('', '', 'admin-primary-mbox-total-tr');
         // Total th label
-        $total_label = sprintf(__('Transaction Total %s', 'event_espresso'), '(' . EE_Registry::instance()->CFG->currency->code . ')');
+        $total_label = sprintf(__('Transaction Total %s', 'event_espresso'), '('.EE_Registry::instance()->CFG->currency->code.')');
         $html .= EEH_HTML::th($total_label, '', 'jst-rght', '', ' colspan="4"');
         // total th
 

core/libraries/line_item_display/EE_SPCO_Line_Item_Display_Strategy.strategy.php

Indentation +655 added lines, -655 removed lines

@@ -12,659 +12,659 @@
 class EE_SPCO_Line_Item_Display_Strategy implements EEI_Line_Item_Display
 {
 
-    /**
-     * array of events
-     *
-     * @type EE_Line_Item[] $_events
-     */
-    private $_events = array();
-
-    /**
-     * whether to display the taxes row or not
-     *
-     * @type bool $_show_taxes
-     */
-    private $_show_taxes = false;
-
-    /**
-     * html for any tax rows
-     *
-     * @type string $_show_taxes
-     */
-    private $_taxes_html = '';
-
-    /**
-     * total amount including tax we can bill for at this time
-     *
-     * @type float $_grand_total
-     */
-    private $_grand_total = 0.00;
-
-    /**
-     * total number of items being billed for
-     *
-     * @type int $_total_items
-     */
-    private $_total_items = 0;
-
-
-
-    /**
-     * @return float
-     */
-    public function grand_total()
-    {
-        return $this->_grand_total;
-    }
-
-
-
-    /**
-     * @return int
-     */
-    public function total_items()
-    {
-        return $this->_total_items;
-    }
-
-
-
-    /**
-     * @param EE_Line_Item $line_item
-     * @param array        $options
-     * @param EE_Line_Item $parent_line_item
-     * @return mixed
-     * @throws EE_Error
-     */
-    public function display_line_item(
-        EE_Line_Item $line_item,
-        $options = array(),
-        EE_Line_Item $parent_line_item = null
-    ) {
-        $html = '';
-        // set some default options and merge with incoming
-        $default_options = array(
-            'show_desc' => true,  //    true        false
-            'odd'       => false,
-        );
-        $options = array_merge($default_options, (array) $options);
-        switch ($line_item->type()) {
-            case EEM_Line_Item::type_line_item:
-                $this->_show_taxes = $line_item->is_taxable() ? true : $this->_show_taxes;
-                if ($line_item->OBJ_type() === 'Ticket') {
-                    // item row
-                    $html .= $this->_ticket_row($line_item, $options);
-                } else {
-                    // item row
-                    $html .= $this->_item_row($line_item, $options);
-                }
-                if (apply_filters(
-                    'FHEE__EE_SPCO_Line_Item_Display_Strategy__display_line_item__display_sub_line_items',
-                    true
-                )
-                ) {
-                    // got any kids?
-                    foreach ($line_item->children() as $child_line_item) {
-                        $html .= $this->display_line_item($child_line_item, $options, $line_item);
-                    }
-                }
-                break;
-            case EEM_Line_Item::type_sub_line_item:
-                $html .= $this->_sub_item_row($line_item, $options, $parent_line_item);
-                break;
-            case EEM_Line_Item::type_sub_total:
-                static $sub_total = 0;
-                $event_sub_total = 0;
-                $text = esc_html__('Sub-Total', 'event_espresso');
-                if ($line_item->OBJ_type() === 'Event') {
-                    $options['event_id'] = $event_id = $line_item->OBJ_ID();
-                    if (! isset($this->_events[ $options['event_id'] ])) {
-                        $event = EEM_Event::instance()->get_one_by_ID($options['event_id']);
-                        // if event has default reg status of Not Approved, then don't display info on it
-                        if ($event instanceof EE_Event
-                            && $event->default_registration_status() === EEM_Registration::status_id_not_approved
-                        ) {
-                            $display_event = false;
-                            // unless there are registrations for it that are returning to pay
-                            if (isset($options['registrations']) && is_array($options['registrations'])) {
-                                foreach ($options['registrations'] as $registration) {
-                                    if (! $registration instanceof EE_Registration) {
-                                        continue;
-                                    }
-                                    $display_event = $registration->event_ID() === $options['event_id']
-                                                     && $registration->status_ID() !== EEM_Registration::status_id_not_approved
-                                        ? true
-                                        : $display_event;
-                                }
-                            }
-                            if (! $display_event) {
-                                return '';
-                            }
-                        }
-                        $this->_events[ $options['event_id'] ] = 0;
-                        $html .= $this->_event_row($line_item);
-                        $text = esc_html__('Event Sub-Total', 'event_espresso');
-                    }
-                }
-                $child_line_items = $line_item->children();
-                // loop thru children
-                foreach ($child_line_items as $child_line_item) {
-                    // recursively feed children back into this method
-                    $html .= $this->display_line_item($child_line_item, $options, $line_item);
-                }
-                $event_sub_total += isset($options['event_id']) ? $this->_events[ $options['event_id'] ] : 0;
-                $sub_total += $event_sub_total;
-                if ((
-                        // event subtotals
-                        $line_item->code() !== 'pre-tax-subtotal' && count($child_line_items) > 1
-                    )
-                    || (
-                        // pre-tax subtotals
-                        $line_item->code() === 'pre-tax-subtotal' && count($this->_events) > 1
-                    )
-                ) {
-                    $options['sub_total'] = $line_item->OBJ_type() === 'Event' ? $event_sub_total : $sub_total;
-                    $html .= $this->_sub_total_row($line_item, $text, $options);
-                }
-                break;
-            case EEM_Line_Item::type_tax:
-                if ($this->_show_taxes) {
-                    $this->_taxes_html .= $this->_tax_row($line_item, $options);
-                }
-                break;
-            case EEM_Line_Item::type_tax_sub_total:
-                if ($this->_show_taxes) {
-                    $child_line_items = $line_item->children();
-                    // loop thru children
-                    foreach ($child_line_items as $child_line_item) {
-                        // recursively feed children back into this method
-                        $html .= $this->display_line_item($child_line_item, $options, $line_item);
-                    }
-                    if (count($child_line_items) > 1) {
-                        $this->_taxes_html .= $this->_total_tax_row($line_item, esc_html__('Tax Total', 'event_espresso'));
-                    }
-                }
-                break;
-            case EEM_Line_Item::type_total:
-                // get all child line items
-                $children = $line_item->children();
-                // loop thru all non-tax child line items
-                foreach ($children as $child_line_item) {
-                    if ($child_line_item->type() !== EEM_Line_Item::type_tax_sub_total) {
-                        // recursively feed children back into this method
-                        $html .= $this->display_line_item($child_line_item, $options, $line_item);
-                    }
-                }
-                // now loop thru  tax child line items
-                foreach ($children as $child_line_item) {
-                    if ($child_line_item->type() === EEM_Line_Item::type_tax_sub_total) {
-                        // recursively feed children back into this method
-                        $html .= $this->display_line_item($child_line_item, $options, $line_item);
-                    }
-                }
-                $html .= $this->_taxes_html;
-                $html .= $this->_total_row($line_item, esc_html__('Total', 'event_espresso'));
-                $html .= $this->_payments_and_amount_owing_rows($line_item, $options);
-                break;
-        }
-        return $html;
-    }
-
-
-
-    /**
-     * _event_row - basically a Heading row displayed once above each event's ticket rows
-     *
-     * @param EE_Line_Item $line_item
-     * @return mixed
-     */
-    private function _event_row(EE_Line_Item $line_item)
-    {
-        // start of row
-        $html = EEH_HTML::tr('', 'event-cart-total-row', 'total_tr odd');
-        // event name td
-        $html .= EEH_HTML::td(
-            EEH_HTML::strong($line_item->name()),
-            '',
-            'event-header',
-            '',
-            ' colspan="4"'
-        );
-        // end of row
-        $html .= EEH_HTML::trx();
-        return $html;
-    }
-
-
-
-    /**
-     * _ticket_row
-     *
-     * @param EE_Line_Item $line_item
-     * @param array        $options
-     * @return mixed
-     * @throws EE_Error
-     */
-    private function _ticket_row(EE_Line_Item $line_item, $options = array())
-    {
-        // start of row
-        $row_class = $options['odd'] ? 'item odd' : 'item';
-        $html = EEH_HTML::tr('', '', $row_class);
-        // name && desc
-        $name_and_desc = apply_filters(
-            'FHEE__EE_SPCO_Line_Item_Display_Strategy__item_row__name',
-            $line_item->name(),
-            $line_item
-        );
-        $name_and_desc .= apply_filters(
-            'FHEE__EE_SPCO_Line_Item_Display_Strategy__item_row__desc',
-            (
-                $options['show_desc']
-                    ? '<span class="line-item-desc-spn smaller-text">: ' . $line_item->desc() . '</span>'
-                    : ''
-            ),
-            $line_item,
-            $options
-        );
-        $name_and_desc .= $line_item->is_taxable() ? ' * ' : '';
-        $name_and_desc = apply_filters(
-            'FHEE__EE_SPCO_Line_Item_Display_Strategy___ticket_row__name_and_desc',
-            $name_and_desc,
-            $line_item,
-            $options
-        );
-
-        // name td
-        $html .= EEH_HTML::td( /*__FUNCTION__ .*/
-            $name_and_desc,
-            '',
-            'item_l'
-        );
-        // price td
-        $price = apply_filters(
-            'FHEE__EE_SPCO_Line_Item_Display_Strategy___ticket_row__price',
-            $line_item->unit_price_no_code(),
-            $line_item
-        );
-        $html .= EEH_HTML::td($price, '', 'item_c jst-rght');
-        // quantity td
-        $html .= EEH_HTML::td($line_item->quantity(), '', 'item_l jst-rght');
-        $this->_total_items += $line_item->quantity();
-        // determine total for line item
-        $total = apply_filters(
-            'FHEE__EE_SPCO_Line_Item_Display_Strategy___ticket_row__total',
-            $line_item->total(),
-            $line_item
-        );
-        $this->_events[ $options['event_id'] ] += $total;
-        // total td
-        $html .= EEH_HTML::td(
-            EEH_Template::format_currency($total, false, false),
-            '',
-            'item_r jst-rght'
-        );
-        // end of row
-        $html .= EEH_HTML::trx();
-        return $html;
-    }
-
-
-
-    /**
-     * _item_row
-     *
-     * @param EE_Line_Item $line_item
-     * @param array        $options
-     * @return mixed
-     * @throws EE_Error
-     */
-    private function _item_row(EE_Line_Item $line_item, $options = array())
-    {
-        // start of row
-        $row_class = $options['odd'] ? 'item odd' : 'item';
-        $html = EEH_HTML::tr('', '', $row_class);
-        $obj_name = $line_item->OBJ_type() ? $line_item->OBJ_type_i18n() . ': ' : '';
-        // name && desc
-        $name_and_desc = apply_filters(
-            'FHEE__EE_SPCO_Line_Item_Display_Strategy__item_row__name',
-            $obj_name . $line_item->name(),
-            $line_item
-        );
-        $name_and_desc .= apply_filters(
-            'FHEE__EE_SPCO_Line_Item_Display_Strategy__item_row__desc',
-            (
-                $options['show_desc']
-                ? '<span class="line-item-desc-spn smaller-text">: ' . $line_item->desc() . '</span>'
-                : ''
-            ),
-            $line_item,
-            $options
-        );
-        $name_and_desc .= $line_item->is_taxable() ? ' * ' : '';
-        $name_and_desc = apply_filters(
-            'FHEE__EE_SPCO_Line_Item_Display_Strategy___item_row__name_and_desc',
-            $name_and_desc,
-            $line_item,
-            $options
-        );
-
-        // name td
-        $html .= EEH_HTML::td($name_and_desc, '', 'item_l');
-        // price td
-        if ($line_item->is_percent()) {
-            $html .= EEH_HTML::td($line_item->percent() . '%', '', 'item_c jst-rght');
-        } else {
-            $html .= EEH_HTML::td($line_item->unit_price_no_code(), '', 'item_c jst-rght');
-        }
-        // quantity td
-        $html .= EEH_HTML::td($line_item->quantity(), '', 'item_l jst-rght');
-        // $total = $line_item->total() * $line_item->quantity();
-        $total = $line_item->total();
-        if (isset($options['event_id'], $this->_events[ $options['event_id'] ])) {
-            $this->_events[ $options['event_id'] ] += $total;
-        }
-        // total td
-        $html .= EEH_HTML::td(
-            EEH_Template::format_currency($total, false, false),
-            '',
-            'item_r jst-rght'
-        );
-        // end of row
-        $html .= EEH_HTML::trx();
-        return $html;
-    }
-
-
-
-    /**
-     * _sub_item_row
-     *
-     * @param EE_Line_Item $line_item
-     * @param array        $options
-     * @param EE_Line_Item $parent_line_item
-     * @return mixed
-     * @throws EE_Error
-     */
-    private function _sub_item_row(EE_Line_Item $line_item, $options = array(), EE_Line_Item $parent_line_item = null)
-    {
-        if ($parent_line_item instanceof  EE_Line_Item
-            && $line_item->children() === array()
-            && $line_item->name() === $parent_line_item->name()
-            && apply_filters(
-                'FHEE__EE_SPCO_Line_Item_Display_Strategy___sub_item_row__hide_main_sub_line_item',
-                true
-            )
-        ) {
-            return '';
-        }
-        // start of row
-        $html = EEH_HTML::tr('', '', 'item sub-item-row');
-        // name && desc
-        $name_and_desc = EEH_HTML::span('', '', 'sub-item-row-bullet dashicons dashicons-arrow-right')
-                         . $line_item->name();
-        $name_and_desc .= $options['show_desc'] ? '<span class="line-sub-item-desc-spn smaller-text">: '
-                                                  . $line_item->desc()
-                                                  . '</span>' : '';
-        // name td
-        $html .= EEH_HTML::td($name_and_desc, '', 'item_l sub-item');
-        $qty = $parent_line_item instanceof EE_Line_Item ? $parent_line_item->quantity() : 1;
-        // discount/surcharge td
-        if ($line_item->is_percent()) {
-            $html .= EEH_HTML::td(
-                EEH_Template::format_currency(
-                    $line_item->total() / $qty,
-                    false,
-                    false
-                ),
-                '',
-                'item_c jst-rght'
-            );
-        } else {
-            $html .= EEH_HTML::td($line_item->unit_price_no_code(), '', 'item_c jst-rght');
-        }
-        // no quantity td
-        $html .= EEH_HTML::td();
-        // no total td
-        $html .= EEH_HTML::td();
-        // end of row
-        $html .= EEH_HTML::trx();
-        $html = apply_filters(
-            'FHEE__EE_SPCO_Line_Item_Display_Strategy___sub_item_row__html',
-            $html,
-            $line_item,
-            $options,
-            $parent_line_item
-        );
-        return $html;
-    }
-
-
-
-    /**
-     * _tax_row
-     *
-     * @param EE_Line_Item $line_item
-     * @param array        $options
-     * @return mixed
-     * @throws EE_Error
-     */
-    private function _tax_row(EE_Line_Item $line_item, $options = array())
-    {
-        // start of row
-        $html = EEH_HTML::tr('', 'item sub-item tax-total');
-        // name && desc
-        $name_and_desc = $line_item->name();
-        $name_and_desc .= '<span class="smaller-text lt-grey-text" style="margin:0 0 0 2em;">'
-                          . esc_html__(' * taxable items', 'event_espresso') . '</span>';
-        $name_and_desc .= $options['show_desc'] ? '<br/>' . $line_item->desc() : '';
-        // name td
-        $html .= EEH_HTML::td( /*__FUNCTION__ .*/
-            $name_and_desc,
-            '',
-            'item_l sub-item'
-        );
-        // percent td
-        $html .= EEH_HTML::td($line_item->percent() . '%', '', ' jst-rght', '');
-        // empty td (price)
-        $html .= EEH_HTML::td(EEH_HTML::nbsp());
-        // total td
-        $html .= EEH_HTML::td(
-            EEH_Template::format_currency(
-                $line_item->total(),
-                false,
-                false
-            ),
-            '',
-            'item_r jst-rght'
-        );
-        // end of row
-        $html .= EEH_HTML::trx();
-        return $html;
-    }
-
-
-
-    /**
-     * _total_row
-     *
-     * @param EE_Line_Item $line_item
-     * @param string       $text
-     * @return mixed
-     * @throws EE_Error
-     */
-    private function _total_tax_row(EE_Line_Item $line_item, $text = '')
-    {
-        $html = '';
-        if ($line_item->total()) {
-            // start of row
-            $html = EEH_HTML::tr('', '', 'total_tr odd');
-            // total td
-            $html .= EEH_HTML::td(
-                $text,
-                '',
-                'total_currency total jst-rght',
-                '',
-                ' colspan="2"'
-            );
-            // empty td (price)
-            $html .= EEH_HTML::td(EEH_HTML::nbsp());
-            // total td
-            $html .= EEH_HTML::td(
-                EEH_Template::format_currency($line_item->total(), false, false),
-                '',
-                'total jst-rght'
-            );
-            // end of row
-            $html .= EEH_HTML::trx();
-        }
-        return $html;
-    }
-
-
-
-    /**
-     * _total_row
-     *
-     * @param EE_Line_Item $line_item
-     * @param string       $text
-     * @param array        $options
-     * @return mixed
-     * @throws EE_Error
-     */
-    private function _sub_total_row(EE_Line_Item $line_item, $text = '', $options = array())
-    {
-        $html = '';
-        if ($line_item->total()) {
-            // start of row
-            $html = EEH_HTML::tr('', '', 'total_tr odd');
-            // total td
-            $html .= EEH_HTML::td(
-                $text,
-                '',
-                'total_currency total jst-rght',
-                '',
-                ' colspan="3"'
-            );
-            // total td
-            $html .= EEH_HTML::td(
-                EEH_Template::format_currency($options['sub_total'], false, false),
-                '',
-                'total jst-rght'
-            );
-            // end of row
-            $html .= EEH_HTML::trx();
-        }
-        return $html;
-    }
-
-
-
-    /**
-     * _total_row
-     *
-     * @param EE_Line_Item $line_item
-     * @param string       $text
-     * @return mixed
-     * @throws EE_Error
-     */
-    private function _total_row(EE_Line_Item $line_item, $text = '')
-    {
-        // start of row
-        $html = EEH_HTML::tr('', '', 'spco-grand-total total_tr odd');
-        // total td
-        $html .= EEH_HTML::td($text, '', 'total_currency total jst-rght', '', ' colspan="3"');
-        // total td
-        $html .= EEH_HTML::td(
-            EEH_Template::format_currency($line_item->total(), false, false),
-            '',
-            'total jst-rght'
-        );
-        // end of row
-        $html .= EEH_HTML::trx();
-        return $html;
-    }
-
-
-
-    /**
-     * _payments_and_amount_owing_rows
-     *
-     * @param EE_Line_Item $line_item
-     * @param array        $options
-     * @return mixed
-     * @throws EE_Error
-     */
-    private function _payments_and_amount_owing_rows(EE_Line_Item $line_item, $options = array())
-    {
-        $html = '';
-        $owing = $line_item->total();
-        $transaction = EEM_Transaction::instance()->get_one_by_ID($line_item->TXN_ID());
-        if ($transaction instanceof EE_Transaction) {
-            $registration_payments = array();
-            $registrations = ! empty($options['registrations'])
-                ? $options['registrations']
-                : $transaction->registrations();
-            foreach ($registrations as $registration) {
-                if ($registration instanceof EE_Registration && $registration->owes_monies_and_can_pay()) {
-                    $registration_payments += $registration->registration_payments();
-                }
-            }
-            if (! empty($registration_payments)) {
-                foreach ($registration_payments as $registration_payment) {
-                    if ($registration_payment instanceof EE_Registration_Payment) {
-                        $owing -= $registration_payment->amount();
-                        $payment = $registration_payment->payment();
-                        $payment_desc = '';
-                        if ($payment instanceof EE_Payment) {
-                            $payment_desc = sprintf(
-                                esc_html__('Payment%1$s Received: %2$s', 'event_espresso'),
-                                $payment->txn_id_chq_nmbr() !== ''
-                                    ? ' <span class="small-text">(#' . $payment->txn_id_chq_nmbr() . ')</span> '
-                                    : '',
-                                $payment->timestamp()
-                            );
-                        }
-                        // start of row
-                        $html .= EEH_HTML::tr('', '', 'total_tr odd');
-                        // payment desc
-                        $html .= EEH_HTML::td($payment_desc, '', '', '', ' colspan="3"');
-                        // total td
-                        $html .= EEH_HTML::td(
-                            EEH_Template::format_currency(
-                                $registration_payment->amount(),
-                                false,
-                                false
-                            ),
-                            '',
-                            'total jst-rght'
-                        );
-                        // end of row
-                        $html .= EEH_HTML::trx();
-                    }
-                }
-                if ($line_item->total()) {
-                    // start of row
-                    $html .= EEH_HTML::tr('', '', 'total_tr odd');
-                    // total td
-                    $html .= EEH_HTML::td(
-                        esc_html__('Amount Owing', 'event_espresso'),
-                        '',
-                        'total_currency total jst-rght',
-                        '',
-                        ' colspan="3"'
-                    );
-                    // total td
-                    $html .= EEH_HTML::td(
-                        EEH_Template::format_currency($owing, false, false),
-                        '',
-                        'total jst-rght'
-                    );
-                    // end of row
-                    $html .= EEH_HTML::trx();
-                }
-            }
-        }
-        $this->_grand_total = $owing;
-        return $html;
-    }
+	/**
+	 * array of events
+	 *
+	 * @type EE_Line_Item[] $_events
+	 */
+	private $_events = array();
+
+	/**
+	 * whether to display the taxes row or not
+	 *
+	 * @type bool $_show_taxes
+	 */
+	private $_show_taxes = false;
+
+	/**
+	 * html for any tax rows
+	 *
+	 * @type string $_show_taxes
+	 */
+	private $_taxes_html = '';
+
+	/**
+	 * total amount including tax we can bill for at this time
+	 *
+	 * @type float $_grand_total
+	 */
+	private $_grand_total = 0.00;
+
+	/**
+	 * total number of items being billed for
+	 *
+	 * @type int $_total_items
+	 */
+	private $_total_items = 0;
+
+
+
+	/**
+	 * @return float
+	 */
+	public function grand_total()
+	{
+		return $this->_grand_total;
+	}
+
+
+
+	/**
+	 * @return int
+	 */
+	public function total_items()
+	{
+		return $this->_total_items;
+	}
+
+
+
+	/**
+	 * @param EE_Line_Item $line_item
+	 * @param array        $options
+	 * @param EE_Line_Item $parent_line_item
+	 * @return mixed
+	 * @throws EE_Error
+	 */
+	public function display_line_item(
+		EE_Line_Item $line_item,
+		$options = array(),
+		EE_Line_Item $parent_line_item = null
+	) {
+		$html = '';
+		// set some default options and merge with incoming
+		$default_options = array(
+			'show_desc' => true,  //    true        false
+			'odd'       => false,
+		);
+		$options = array_merge($default_options, (array) $options);
+		switch ($line_item->type()) {
+			case EEM_Line_Item::type_line_item:
+				$this->_show_taxes = $line_item->is_taxable() ? true : $this->_show_taxes;
+				if ($line_item->OBJ_type() === 'Ticket') {
+					// item row
+					$html .= $this->_ticket_row($line_item, $options);
+				} else {
+					// item row
+					$html .= $this->_item_row($line_item, $options);
+				}
+				if (apply_filters(
+					'FHEE__EE_SPCO_Line_Item_Display_Strategy__display_line_item__display_sub_line_items',
+					true
+				)
+				) {
+					// got any kids?
+					foreach ($line_item->children() as $child_line_item) {
+						$html .= $this->display_line_item($child_line_item, $options, $line_item);
+					}
+				}
+				break;
+			case EEM_Line_Item::type_sub_line_item:
+				$html .= $this->_sub_item_row($line_item, $options, $parent_line_item);
+				break;
+			case EEM_Line_Item::type_sub_total:
+				static $sub_total = 0;
+				$event_sub_total = 0;
+				$text = esc_html__('Sub-Total', 'event_espresso');
+				if ($line_item->OBJ_type() === 'Event') {
+					$options['event_id'] = $event_id = $line_item->OBJ_ID();
+					if (! isset($this->_events[ $options['event_id'] ])) {
+						$event = EEM_Event::instance()->get_one_by_ID($options['event_id']);
+						// if event has default reg status of Not Approved, then don't display info on it
+						if ($event instanceof EE_Event
+							&& $event->default_registration_status() === EEM_Registration::status_id_not_approved
+						) {
+							$display_event = false;
+							// unless there are registrations for it that are returning to pay
+							if (isset($options['registrations']) && is_array($options['registrations'])) {
+								foreach ($options['registrations'] as $registration) {
+									if (! $registration instanceof EE_Registration) {
+										continue;
+									}
+									$display_event = $registration->event_ID() === $options['event_id']
+													 && $registration->status_ID() !== EEM_Registration::status_id_not_approved
+										? true
+										: $display_event;
+								}
+							}
+							if (! $display_event) {
+								return '';
+							}
+						}
+						$this->_events[ $options['event_id'] ] = 0;
+						$html .= $this->_event_row($line_item);
+						$text = esc_html__('Event Sub-Total', 'event_espresso');
+					}
+				}
+				$child_line_items = $line_item->children();
+				// loop thru children
+				foreach ($child_line_items as $child_line_item) {
+					// recursively feed children back into this method
+					$html .= $this->display_line_item($child_line_item, $options, $line_item);
+				}
+				$event_sub_total += isset($options['event_id']) ? $this->_events[ $options['event_id'] ] : 0;
+				$sub_total += $event_sub_total;
+				if ((
+						// event subtotals
+						$line_item->code() !== 'pre-tax-subtotal' && count($child_line_items) > 1
+					)
+					|| (
+						// pre-tax subtotals
+						$line_item->code() === 'pre-tax-subtotal' && count($this->_events) > 1
+					)
+				) {
+					$options['sub_total'] = $line_item->OBJ_type() === 'Event' ? $event_sub_total : $sub_total;
+					$html .= $this->_sub_total_row($line_item, $text, $options);
+				}
+				break;
+			case EEM_Line_Item::type_tax:
+				if ($this->_show_taxes) {
+					$this->_taxes_html .= $this->_tax_row($line_item, $options);
+				}
+				break;
+			case EEM_Line_Item::type_tax_sub_total:
+				if ($this->_show_taxes) {
+					$child_line_items = $line_item->children();
+					// loop thru children
+					foreach ($child_line_items as $child_line_item) {
+						// recursively feed children back into this method
+						$html .= $this->display_line_item($child_line_item, $options, $line_item);
+					}
+					if (count($child_line_items) > 1) {
+						$this->_taxes_html .= $this->_total_tax_row($line_item, esc_html__('Tax Total', 'event_espresso'));
+					}
+				}
+				break;
+			case EEM_Line_Item::type_total:
+				// get all child line items
+				$children = $line_item->children();
+				// loop thru all non-tax child line items
+				foreach ($children as $child_line_item) {
+					if ($child_line_item->type() !== EEM_Line_Item::type_tax_sub_total) {
+						// recursively feed children back into this method
+						$html .= $this->display_line_item($child_line_item, $options, $line_item);
+					}
+				}
+				// now loop thru  tax child line items
+				foreach ($children as $child_line_item) {
+					if ($child_line_item->type() === EEM_Line_Item::type_tax_sub_total) {
+						// recursively feed children back into this method
+						$html .= $this->display_line_item($child_line_item, $options, $line_item);
+					}
+				}
+				$html .= $this->_taxes_html;
+				$html .= $this->_total_row($line_item, esc_html__('Total', 'event_espresso'));
+				$html .= $this->_payments_and_amount_owing_rows($line_item, $options);
+				break;
+		}
+		return $html;
+	}
+
+
+
+	/**
+	 * _event_row - basically a Heading row displayed once above each event's ticket rows
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @return mixed
+	 */
+	private function _event_row(EE_Line_Item $line_item)
+	{
+		// start of row
+		$html = EEH_HTML::tr('', 'event-cart-total-row', 'total_tr odd');
+		// event name td
+		$html .= EEH_HTML::td(
+			EEH_HTML::strong($line_item->name()),
+			'',
+			'event-header',
+			'',
+			' colspan="4"'
+		);
+		// end of row
+		$html .= EEH_HTML::trx();
+		return $html;
+	}
+
+
+
+	/**
+	 * _ticket_row
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param array        $options
+	 * @return mixed
+	 * @throws EE_Error
+	 */
+	private function _ticket_row(EE_Line_Item $line_item, $options = array())
+	{
+		// start of row
+		$row_class = $options['odd'] ? 'item odd' : 'item';
+		$html = EEH_HTML::tr('', '', $row_class);
+		// name && desc
+		$name_and_desc = apply_filters(
+			'FHEE__EE_SPCO_Line_Item_Display_Strategy__item_row__name',
+			$line_item->name(),
+			$line_item
+		);
+		$name_and_desc .= apply_filters(
+			'FHEE__EE_SPCO_Line_Item_Display_Strategy__item_row__desc',
+			(
+				$options['show_desc']
+					? '<span class="line-item-desc-spn smaller-text">: ' . $line_item->desc() . '</span>'
+					: ''
+			),
+			$line_item,
+			$options
+		);
+		$name_and_desc .= $line_item->is_taxable() ? ' * ' : '';
+		$name_and_desc = apply_filters(
+			'FHEE__EE_SPCO_Line_Item_Display_Strategy___ticket_row__name_and_desc',
+			$name_and_desc,
+			$line_item,
+			$options
+		);
+
+		// name td
+		$html .= EEH_HTML::td( /*__FUNCTION__ .*/
+			$name_and_desc,
+			'',
+			'item_l'
+		);
+		// price td
+		$price = apply_filters(
+			'FHEE__EE_SPCO_Line_Item_Display_Strategy___ticket_row__price',
+			$line_item->unit_price_no_code(),
+			$line_item
+		);
+		$html .= EEH_HTML::td($price, '', 'item_c jst-rght');
+		// quantity td
+		$html .= EEH_HTML::td($line_item->quantity(), '', 'item_l jst-rght');
+		$this->_total_items += $line_item->quantity();
+		// determine total for line item
+		$total = apply_filters(
+			'FHEE__EE_SPCO_Line_Item_Display_Strategy___ticket_row__total',
+			$line_item->total(),
+			$line_item
+		);
+		$this->_events[ $options['event_id'] ] += $total;
+		// total td
+		$html .= EEH_HTML::td(
+			EEH_Template::format_currency($total, false, false),
+			'',
+			'item_r jst-rght'
+		);
+		// end of row
+		$html .= EEH_HTML::trx();
+		return $html;
+	}
+
+
+
+	/**
+	 * _item_row
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param array        $options
+	 * @return mixed
+	 * @throws EE_Error
+	 */
+	private function _item_row(EE_Line_Item $line_item, $options = array())
+	{
+		// start of row
+		$row_class = $options['odd'] ? 'item odd' : 'item';
+		$html = EEH_HTML::tr('', '', $row_class);
+		$obj_name = $line_item->OBJ_type() ? $line_item->OBJ_type_i18n() . ': ' : '';
+		// name && desc
+		$name_and_desc = apply_filters(
+			'FHEE__EE_SPCO_Line_Item_Display_Strategy__item_row__name',
+			$obj_name . $line_item->name(),
+			$line_item
+		);
+		$name_and_desc .= apply_filters(
+			'FHEE__EE_SPCO_Line_Item_Display_Strategy__item_row__desc',
+			(
+				$options['show_desc']
+				? '<span class="line-item-desc-spn smaller-text">: ' . $line_item->desc() . '</span>'
+				: ''
+			),
+			$line_item,
+			$options
+		);
+		$name_and_desc .= $line_item->is_taxable() ? ' * ' : '';
+		$name_and_desc = apply_filters(
+			'FHEE__EE_SPCO_Line_Item_Display_Strategy___item_row__name_and_desc',
+			$name_and_desc,
+			$line_item,
+			$options
+		);
+
+		// name td
+		$html .= EEH_HTML::td($name_and_desc, '', 'item_l');
+		// price td
+		if ($line_item->is_percent()) {
+			$html .= EEH_HTML::td($line_item->percent() . '%', '', 'item_c jst-rght');
+		} else {
+			$html .= EEH_HTML::td($line_item->unit_price_no_code(), '', 'item_c jst-rght');
+		}
+		// quantity td
+		$html .= EEH_HTML::td($line_item->quantity(), '', 'item_l jst-rght');
+		// $total = $line_item->total() * $line_item->quantity();
+		$total = $line_item->total();
+		if (isset($options['event_id'], $this->_events[ $options['event_id'] ])) {
+			$this->_events[ $options['event_id'] ] += $total;
+		}
+		// total td
+		$html .= EEH_HTML::td(
+			EEH_Template::format_currency($total, false, false),
+			'',
+			'item_r jst-rght'
+		);
+		// end of row
+		$html .= EEH_HTML::trx();
+		return $html;
+	}
+
+
+
+	/**
+	 * _sub_item_row
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param array        $options
+	 * @param EE_Line_Item $parent_line_item
+	 * @return mixed
+	 * @throws EE_Error
+	 */
+	private function _sub_item_row(EE_Line_Item $line_item, $options = array(), EE_Line_Item $parent_line_item = null)
+	{
+		if ($parent_line_item instanceof  EE_Line_Item
+			&& $line_item->children() === array()
+			&& $line_item->name() === $parent_line_item->name()
+			&& apply_filters(
+				'FHEE__EE_SPCO_Line_Item_Display_Strategy___sub_item_row__hide_main_sub_line_item',
+				true
+			)
+		) {
+			return '';
+		}
+		// start of row
+		$html = EEH_HTML::tr('', '', 'item sub-item-row');
+		// name && desc
+		$name_and_desc = EEH_HTML::span('', '', 'sub-item-row-bullet dashicons dashicons-arrow-right')
+						 . $line_item->name();
+		$name_and_desc .= $options['show_desc'] ? '<span class="line-sub-item-desc-spn smaller-text">: '
+												  . $line_item->desc()
+												  . '</span>' : '';
+		// name td
+		$html .= EEH_HTML::td($name_and_desc, '', 'item_l sub-item');
+		$qty = $parent_line_item instanceof EE_Line_Item ? $parent_line_item->quantity() : 1;
+		// discount/surcharge td
+		if ($line_item->is_percent()) {
+			$html .= EEH_HTML::td(
+				EEH_Template::format_currency(
+					$line_item->total() / $qty,
+					false,
+					false
+				),
+				'',
+				'item_c jst-rght'
+			);
+		} else {
+			$html .= EEH_HTML::td($line_item->unit_price_no_code(), '', 'item_c jst-rght');
+		}
+		// no quantity td
+		$html .= EEH_HTML::td();
+		// no total td
+		$html .= EEH_HTML::td();
+		// end of row
+		$html .= EEH_HTML::trx();
+		$html = apply_filters(
+			'FHEE__EE_SPCO_Line_Item_Display_Strategy___sub_item_row__html',
+			$html,
+			$line_item,
+			$options,
+			$parent_line_item
+		);
+		return $html;
+	}
+
+
+
+	/**
+	 * _tax_row
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param array        $options
+	 * @return mixed
+	 * @throws EE_Error
+	 */
+	private function _tax_row(EE_Line_Item $line_item, $options = array())
+	{
+		// start of row
+		$html = EEH_HTML::tr('', 'item sub-item tax-total');
+		// name && desc
+		$name_and_desc = $line_item->name();
+		$name_and_desc .= '<span class="smaller-text lt-grey-text" style="margin:0 0 0 2em;">'
+						  . esc_html__(' * taxable items', 'event_espresso') . '</span>';
+		$name_and_desc .= $options['show_desc'] ? '<br/>' . $line_item->desc() : '';
+		// name td
+		$html .= EEH_HTML::td( /*__FUNCTION__ .*/
+			$name_and_desc,
+			'',
+			'item_l sub-item'
+		);
+		// percent td
+		$html .= EEH_HTML::td($line_item->percent() . '%', '', ' jst-rght', '');
+		// empty td (price)
+		$html .= EEH_HTML::td(EEH_HTML::nbsp());
+		// total td
+		$html .= EEH_HTML::td(
+			EEH_Template::format_currency(
+				$line_item->total(),
+				false,
+				false
+			),
+			'',
+			'item_r jst-rght'
+		);
+		// end of row
+		$html .= EEH_HTML::trx();
+		return $html;
+	}
+
+
+
+	/**
+	 * _total_row
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param string       $text
+	 * @return mixed
+	 * @throws EE_Error
+	 */
+	private function _total_tax_row(EE_Line_Item $line_item, $text = '')
+	{
+		$html = '';
+		if ($line_item->total()) {
+			// start of row
+			$html = EEH_HTML::tr('', '', 'total_tr odd');
+			// total td
+			$html .= EEH_HTML::td(
+				$text,
+				'',
+				'total_currency total jst-rght',
+				'',
+				' colspan="2"'
+			);
+			// empty td (price)
+			$html .= EEH_HTML::td(EEH_HTML::nbsp());
+			// total td
+			$html .= EEH_HTML::td(
+				EEH_Template::format_currency($line_item->total(), false, false),
+				'',
+				'total jst-rght'
+			);
+			// end of row
+			$html .= EEH_HTML::trx();
+		}
+		return $html;
+	}
+
+
+
+	/**
+	 * _total_row
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param string       $text
+	 * @param array        $options
+	 * @return mixed
+	 * @throws EE_Error
+	 */
+	private function _sub_total_row(EE_Line_Item $line_item, $text = '', $options = array())
+	{
+		$html = '';
+		if ($line_item->total()) {
+			// start of row
+			$html = EEH_HTML::tr('', '', 'total_tr odd');
+			// total td
+			$html .= EEH_HTML::td(
+				$text,
+				'',
+				'total_currency total jst-rght',
+				'',
+				' colspan="3"'
+			);
+			// total td
+			$html .= EEH_HTML::td(
+				EEH_Template::format_currency($options['sub_total'], false, false),
+				'',
+				'total jst-rght'
+			);
+			// end of row
+			$html .= EEH_HTML::trx();
+		}
+		return $html;
+	}
+
+
+
+	/**
+	 * _total_row
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param string       $text
+	 * @return mixed
+	 * @throws EE_Error
+	 */
+	private function _total_row(EE_Line_Item $line_item, $text = '')
+	{
+		// start of row
+		$html = EEH_HTML::tr('', '', 'spco-grand-total total_tr odd');
+		// total td
+		$html .= EEH_HTML::td($text, '', 'total_currency total jst-rght', '', ' colspan="3"');
+		// total td
+		$html .= EEH_HTML::td(
+			EEH_Template::format_currency($line_item->total(), false, false),
+			'',
+			'total jst-rght'
+		);
+		// end of row
+		$html .= EEH_HTML::trx();
+		return $html;
+	}
+
+
+
+	/**
+	 * _payments_and_amount_owing_rows
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param array        $options
+	 * @return mixed
+	 * @throws EE_Error
+	 */
+	private function _payments_and_amount_owing_rows(EE_Line_Item $line_item, $options = array())
+	{
+		$html = '';
+		$owing = $line_item->total();
+		$transaction = EEM_Transaction::instance()->get_one_by_ID($line_item->TXN_ID());
+		if ($transaction instanceof EE_Transaction) {
+			$registration_payments = array();
+			$registrations = ! empty($options['registrations'])
+				? $options['registrations']
+				: $transaction->registrations();
+			foreach ($registrations as $registration) {
+				if ($registration instanceof EE_Registration && $registration->owes_monies_and_can_pay()) {
+					$registration_payments += $registration->registration_payments();
+				}
+			}
+			if (! empty($registration_payments)) {
+				foreach ($registration_payments as $registration_payment) {
+					if ($registration_payment instanceof EE_Registration_Payment) {
+						$owing -= $registration_payment->amount();
+						$payment = $registration_payment->payment();
+						$payment_desc = '';
+						if ($payment instanceof EE_Payment) {
+							$payment_desc = sprintf(
+								esc_html__('Payment%1$s Received: %2$s', 'event_espresso'),
+								$payment->txn_id_chq_nmbr() !== ''
+									? ' <span class="small-text">(#' . $payment->txn_id_chq_nmbr() . ')</span> '
+									: '',
+								$payment->timestamp()
+							);
+						}
+						// start of row
+						$html .= EEH_HTML::tr('', '', 'total_tr odd');
+						// payment desc
+						$html .= EEH_HTML::td($payment_desc, '', '', '', ' colspan="3"');
+						// total td
+						$html .= EEH_HTML::td(
+							EEH_Template::format_currency(
+								$registration_payment->amount(),
+								false,
+								false
+							),
+							'',
+							'total jst-rght'
+						);
+						// end of row
+						$html .= EEH_HTML::trx();
+					}
+				}
+				if ($line_item->total()) {
+					// start of row
+					$html .= EEH_HTML::tr('', '', 'total_tr odd');
+					// total td
+					$html .= EEH_HTML::td(
+						esc_html__('Amount Owing', 'event_espresso'),
+						'',
+						'total_currency total jst-rght',
+						'',
+						' colspan="3"'
+					);
+					// total td
+					$html .= EEH_HTML::td(
+						EEH_Template::format_currency($owing, false, false),
+						'',
+						'total jst-rght'
+					);
+					// end of row
+					$html .= EEH_HTML::trx();
+				}
+			}
+		}
+		$this->_grand_total = $owing;
+		return $html;
+	}
 }

admin_pages/transactions/Transactions_Admin_Page.core.php

Indentation +2554 added lines, -2554 removed lines

@@ -13,2558 +13,2558 @@
 class Transactions_Admin_Page extends EE_Admin_Page
 {
 
-    /**
-     * @var EE_Transaction
-     */
-    private $_transaction;
-
-    /**
-     * @var EE_Session
-     */
-    private $_session;
-
-    /**
-     * @var array $_txn_status
-     */
-    private static $_txn_status;
-
-    /**
-     * @var array $_pay_status
-     */
-    private static $_pay_status;
-
-    /**
-     * @var array $_existing_reg_payment_REG_IDs
-     */
-    protected $_existing_reg_payment_REG_IDs;
-
-
-    /**
-     *    _init_page_props
-     *
-     * @return void
-     */
-    protected function _init_page_props()
-    {
-        $this->page_slug = TXN_PG_SLUG;
-        $this->page_label = esc_html__('Transactions', 'event_espresso');
-        $this->_admin_base_url = TXN_ADMIN_URL;
-        $this->_admin_base_path = TXN_ADMIN;
-    }
-
-
-    /**
-     *    _ajax_hooks
-     *
-     * @return void
-     */
-    protected function _ajax_hooks()
-    {
-        add_action('wp_ajax_espresso_apply_payment', array($this, 'apply_payments_or_refunds'));
-        add_action('wp_ajax_espresso_apply_refund', array($this, 'apply_payments_or_refunds'));
-        add_action('wp_ajax_espresso_delete_payment', array($this, 'delete_payment'));
-    }
-
-
-    /**
-     *    _define_page_props
-     *
-     * @return void
-     */
-    protected function _define_page_props()
-    {
-        $this->_admin_page_title = $this->page_label;
-        $this->_labels = array(
-            'buttons' => array(
-                'add'    => esc_html__('Add New Transaction', 'event_espresso'),
-                'edit'   => esc_html__('Edit Transaction', 'event_espresso'),
-                'delete' => esc_html__('Delete Transaction', 'event_espresso'),
-            ),
-        );
-    }
-
-
-    /**
-     *        grab url requests and route them
-     *
-     * @access private
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function _set_page_routes()
-    {
-
-        $this->_set_transaction_status_array();
-
-        $txn_id = ! empty($this->_req_data['TXN_ID'])
-                  && ! is_array($this->_req_data['TXN_ID'])
-            ? $this->_req_data['TXN_ID']
-            : 0;
-
-        $this->_page_routes = array(
-
-            'default' => array(
-                'func'       => '_transactions_overview_list_table',
-                'capability' => 'ee_read_transactions',
-            ),
-
-            'view_transaction' => array(
-                'func'       => '_transaction_details',
-                'capability' => 'ee_read_transaction',
-                'obj_id'     => $txn_id,
-            ),
-
-            'send_payment_reminder' => array(
-                'func'       => '_send_payment_reminder',
-                'noheader'   => true,
-                'capability' => 'ee_send_message',
-            ),
-
-            'espresso_apply_payment' => array(
-                'func'       => 'apply_payments_or_refunds',
-                'noheader'   => true,
-                'capability' => 'ee_edit_payments',
-            ),
-
-            'espresso_apply_refund' => array(
-                'func'       => 'apply_payments_or_refunds',
-                'noheader'   => true,
-                'capability' => 'ee_edit_payments',
-            ),
-
-            'espresso_delete_payment' => array(
-                'func'       => 'delete_payment',
-                'noheader'   => true,
-                'capability' => 'ee_delete_payments',
-            ),
-
-            'espresso_recalculate_line_items' => array(
-                'func'       => 'recalculateLineItems',
-                'noheader'   => true,
-                'capability' => 'ee_edit_payments',
-            ),
-
-        );
-    }
-
-
-    protected function _set_page_config()
-    {
-        $this->_page_config = array(
-            'default'          => array(
-                'nav'           => array(
-                    'label' => esc_html__('Overview', 'event_espresso'),
-                    'order' => 10,
-                ),
-                'list_table'    => 'EE_Admin_Transactions_List_Table',
-                'help_tabs'     => array(
-                    'transactions_overview_help_tab'                       => array(
-                        'title'    => esc_html__('Transactions Overview', 'event_espresso'),
-                        'filename' => 'transactions_overview',
-                    ),
-                    'transactions_overview_table_column_headings_help_tab' => array(
-                        'title'    => esc_html__('Transactions Table Column Headings', 'event_espresso'),
-                        'filename' => 'transactions_overview_table_column_headings',
-                    ),
-                    'transactions_overview_views_filters_help_tab'         => array(
-                        'title'    => esc_html__('Transaction Views & Filters & Search', 'event_espresso'),
-                        'filename' => 'transactions_overview_views_filters_search',
-                    ),
-                ),
-                'help_tour'     => array('Transactions_Overview_Help_Tour'),
-                /**
-                 * commented out because currently we are not displaying tips for transaction list table status but this
-                 * may change in a later iteration so want to keep the code for then.
-                 */
-                // 'qtips' => array( 'Transactions_List_Table_Tips' ),
-                'require_nonce' => false,
-            ),
-            'view_transaction' => array(
-                'nav'       => array(
-                    'label'      => esc_html__('View Transaction', 'event_espresso'),
-                    'order'      => 5,
-                    'url'        => isset($this->_req_data['TXN_ID'])
-                        ? add_query_arg(array('TXN_ID' => $this->_req_data['TXN_ID']), $this->_current_page_view_url)
-                        : $this->_admin_base_url,
-                    'persistent' => false,
-                ),
-                'help_tabs' => array(
-                    'transactions_view_transaction_help_tab'                                              => array(
-                        'title'    => esc_html__('View Transaction', 'event_espresso'),
-                        'filename' => 'transactions_view_transaction',
-                    ),
-                    'transactions_view_transaction_transaction_details_table_help_tab'                    => array(
-                        'title'    => esc_html__('Transaction Details Table', 'event_espresso'),
-                        'filename' => 'transactions_view_transaction_transaction_details_table',
-                    ),
-                    'transactions_view_transaction_attendees_registered_help_tab'                         => array(
-                        'title'    => esc_html__('Attendees Registered', 'event_espresso'),
-                        'filename' => 'transactions_view_transaction_attendees_registered',
-                    ),
-                    'transactions_view_transaction_views_primary_registrant_billing_information_help_tab' => array(
-                        'title'    => esc_html__('Primary Registrant & Billing Information', 'event_espresso'),
-                        'filename' => 'transactions_view_transaction_primary_registrant_billing_information',
-                    ),
-                ),
-                'qtips'     => array('Transaction_Details_Tips'),
-                'help_tour' => array('Transaction_Details_Help_Tour'),
-                'metaboxes' => array('_transaction_details_metaboxes'),
-
-                'require_nonce' => false,
-            ),
-        );
-    }
-
-
-    /**
-     * The below methods aren't used by this class currently
-     */
-    protected function _add_screen_options()
-    {
-        // noop
-    }
-
-
-    protected function _add_feature_pointers()
-    {
-        // noop
-    }
-
-
-    public function admin_init()
-    {
-        // IF a registration was JUST added via the admin...
-        if (isset(
-            $this->_req_data['redirect_from'],
-            $this->_req_data['EVT_ID'],
-            $this->_req_data['event_name']
-        )) {
-            // then set a cookie so that we can block any attempts to use
-            // the back button as a way to enter another registration.
-            setcookie(
-                'ee_registration_added',
-                $this->_req_data['EVT_ID'],
-                time() + WEEK_IN_SECONDS,
-                '/'
-            );
-            // and update the global
-            $_COOKIE['ee_registration_added'] = $this->_req_data['EVT_ID'];
-        }
-        EE_Registry::$i18n_js_strings['invalid_server_response'] = esc_html__(
-            'An error occurred! Your request may have been processed, but a valid response from the server was not received. Please refresh the page and try again.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['error_occurred'] = esc_html__(
-            'An error occurred! Please refresh the page and try again.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['txn_status_array'] = self::$_txn_status;
-        EE_Registry::$i18n_js_strings['pay_status_array'] = self::$_pay_status;
-        EE_Registry::$i18n_js_strings['payments_total'] = esc_html__('Payments Total', 'event_espresso');
-        EE_Registry::$i18n_js_strings['transaction_overpaid'] = esc_html__(
-            'This transaction has been overpaid ! Payments Total',
-            'event_espresso'
-        );
-    }
-
-
-    public function admin_notices()
-    {
-        // noop
-    }
-
-
-    public function admin_footer_scripts()
-    {
-        // noop
-    }
-
-
-    /**
-     * _set_transaction_status_array
-     * sets list of transaction statuses
-     *
-     * @access private
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    private function _set_transaction_status_array()
-    {
-        self::$_txn_status = EEM_Transaction::instance()->status_array(true);
-    }
-
-
-    /**
-     * get_transaction_status_array
-     * return the transaction status array for wp_list_table
-     *
-     * @access public
-     * @return array
-     */
-    public function get_transaction_status_array()
-    {
-        return self::$_txn_status;
-    }
-
-
-    /**
-     *    get list of payment statuses
-     *
-     * @access private
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    private function _get_payment_status_array()
-    {
-        self::$_pay_status = EEM_Payment::instance()->status_array(true);
-        $this->_template_args['payment_status'] = self::$_pay_status;
-    }
-
-
-    /**
-     *    _add_screen_options_default
-     *
-     * @access protected
-     * @return void
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _add_screen_options_default()
-    {
-        $this->_per_page_screen_option();
-    }
-
-
-    /**
-     * load_scripts_styles
-     *
-     * @access public
-     * @return void
-     */
-    public function load_scripts_styles()
-    {
-        // enqueue style
-        wp_register_style(
-            'espresso_txn',
-            TXN_ASSETS_URL . 'espresso_transactions_admin.css',
-            array(),
-            EVENT_ESPRESSO_VERSION
-        );
-        wp_enqueue_style('espresso_txn');
-        // scripts
-        wp_register_script(
-            'espresso_txn',
-            TXN_ASSETS_URL . 'espresso_transactions_admin.js',
-            array(
-                'ee_admin_js',
-                'ee-datepicker',
-                'jquery-ui-datepicker',
-                'jquery-ui-draggable',
-                'ee-dialog',
-                'ee-accounting',
-                'ee-serialize-full-array',
-            ),
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        wp_enqueue_script('espresso_txn');
-    }
-
-
-    /**
-     *    load_scripts_styles_view_transaction
-     *
-     * @access public
-     * @return void
-     */
-    public function load_scripts_styles_view_transaction()
-    {
-        // styles
-        wp_enqueue_style('espresso-ui-theme');
-    }
-
-
-    /**
-     *    load_scripts_styles_default
-     *
-     * @access public
-     * @return void
-     */
-    public function load_scripts_styles_default()
-    {
-        // styles
-        wp_enqueue_style('espresso-ui-theme');
-    }
-
-
-    /**
-     *    _set_list_table_views_default
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _set_list_table_views_default()
-    {
-        $this->_views = array(
-            'all'        => array(
-                'slug'  => 'all',
-                'label' => esc_html__('View All Transactions', 'event_espresso'),
-                'count' => 0,
-            ),
-            'abandoned'  => array(
-                'slug'  => 'abandoned',
-                'label' => esc_html__('Abandoned Transactions', 'event_espresso'),
-                'count' => 0,
-            ),
-            'incomplete' => array(
-                'slug'  => 'incomplete',
-                'label' => esc_html__('Incomplete Transactions', 'event_espresso'),
-                'count' => 0,
-            ),
-        );
-        if (/**
-         * Filters whether a link to the "Failed Transactions" list table
-         * appears on the Transactions Admin Page list table.
-         * List display can be turned back on via the following:
-         * add_filter(
-         *     'FHEE__Transactions_Admin_Page___set_list_table_views_default__display_failed_txns_list',
-         *     '__return_true'
-         * );
-         *
-         * @since 4.9.70.p
-         * @param boolean                 $display_failed_txns_list
-         * @param Transactions_Admin_Page $this
-         */
-        apply_filters(
-            'FHEE__Transactions_Admin_Page___set_list_table_views_default__display_failed_txns_list',
-            false,
-            $this
-        )
-        ) {
-            $this->_views['failed'] = array(
-                'slug'  => 'failed',
-                'label' => esc_html__('Failed Transactions', 'event_espresso'),
-                'count' => 0,
-            );
-        }
-    }
-
-
-    /**
-     * _set_transaction_object
-     * This sets the _transaction property for the transaction details screen
-     *
-     * @access private
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws RuntimeException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    private function _set_transaction_object()
-    {
-        if ($this->_transaction instanceof EE_Transaction) {
-            return;
-        } //get out we've already set the object
-
-        $TXN_ID = ! empty($this->_req_data['TXN_ID'])
-            ? absint($this->_req_data['TXN_ID'])
-            : false;
-
-        // get transaction object
-        $this->_transaction = EEM_Transaction::instance()->get_one_by_ID($TXN_ID);
-        $this->_session = $this->_transaction instanceof EE_Transaction
-            ? $this->_transaction->session_data()
-            : null;
-        if ($this->_transaction instanceof EE_Transaction) {
-            $this->_transaction->verify_abandoned_transaction_status();
-        }
-
-        if (! $this->_transaction instanceof EE_Transaction) {
-            $error_msg = sprintf(
-                esc_html__(
-                    'An error occurred and the details for the transaction with the ID # %d could not be retrieved.',
-                    'event_espresso'
-                ),
-                $TXN_ID
-            );
-            EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
-        }
-    }
-
-
-    /**
-     *    _transaction_legend_items
-     *
-     * @access protected
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _transaction_legend_items()
-    {
-        EE_Registry::instance()->load_helper('MSG_Template');
-        $items = array();
-
-        if (EE_Registry::instance()->CAP->current_user_can(
-            'ee_read_global_messages',
-            'view_filtered_messages'
-        )) {
-            $related_for_icon = EEH_MSG_Template::get_message_action_icon('see_notifications_for');
-            if (is_array($related_for_icon)
-                && isset($related_for_icon['css_class'], $related_for_icon['label'])
-            ) {
-                $items['view_related_messages'] = array(
-                    'class' => $related_for_icon['css_class'],
-                    'desc'  => $related_for_icon['label'],
-                );
-            }
-        }
-
-        $items = apply_filters(
-            'FHEE__Transactions_Admin_Page___transaction_legend_items__items',
-            array_merge(
-                $items,
-                array(
-                    'view_details'          => array(
-                        'class' => 'dashicons dashicons-cart',
-                        'desc'  => esc_html__('View Transaction Details', 'event_espresso'),
-                    ),
-                    'view_invoice'          => array(
-                        'class' => 'dashicons dashicons-media-spreadsheet',
-                        'desc'  => esc_html__('View Transaction Invoice', 'event_espresso'),
-                    ),
-                    'view_receipt'          => array(
-                        'class' => 'dashicons dashicons-media-default',
-                        'desc'  => esc_html__('View Transaction Receipt', 'event_espresso'),
-                    ),
-                    'view_registration'     => array(
-                        'class' => 'dashicons dashicons-clipboard',
-                        'desc'  => esc_html__('View Registration Details', 'event_espresso'),
-                    ),
-                    'payment_overview_link' => array(
-                        'class' => 'dashicons dashicons-money',
-                        'desc'  => esc_html__('Make Payment on Frontend', 'event_espresso'),
-                    ),
-                )
-            )
-        );
-
-        if (EEH_MSG_Template::is_mt_active('payment_reminder')
-            && EE_Registry::instance()->CAP->current_user_can(
-                'ee_send_message',
-                'espresso_transactions_send_payment_reminder'
-            )
-        ) {
-            $items['send_payment_reminder'] = array(
-                'class' => 'dashicons dashicons-email-alt',
-                'desc'  => esc_html__('Send Payment Reminder', 'event_espresso'),
-            );
-        } else {
-            $items['blank*'] = array(
-                'class' => '',
-                'desc'  => '',
-            );
-        }
-        $more_items = apply_filters(
-            'FHEE__Transactions_Admin_Page___transaction_legend_items__more_items',
-            array(
-                'overpaid'   => array(
-                    'class' => 'ee-status-legend ee-status-legend-' . EEM_Transaction::overpaid_status_code,
-                    'desc'  => EEH_Template::pretty_status(
-                        EEM_Transaction::overpaid_status_code,
-                        false,
-                        'sentence'
-                    ),
-                ),
-                'complete'   => array(
-                    'class' => 'ee-status-legend ee-status-legend-' . EEM_Transaction::complete_status_code,
-                    'desc'  => EEH_Template::pretty_status(
-                        EEM_Transaction::complete_status_code,
-                        false,
-                        'sentence'
-                    ),
-                ),
-                'incomplete' => array(
-                    'class' => 'ee-status-legend ee-status-legend-' . EEM_Transaction::incomplete_status_code,
-                    'desc'  => EEH_Template::pretty_status(
-                        EEM_Transaction::incomplete_status_code,
-                        false,
-                        'sentence'
-                    ),
-                ),
-                'abandoned'  => array(
-                    'class' => 'ee-status-legend ee-status-legend-' . EEM_Transaction::abandoned_status_code,
-                    'desc'  => EEH_Template::pretty_status(
-                        EEM_Transaction::abandoned_status_code,
-                        false,
-                        'sentence'
-                    ),
-                ),
-                'failed'     => array(
-                    'class' => 'ee-status-legend ee-status-legend-' . EEM_Transaction::failed_status_code,
-                    'desc'  => EEH_Template::pretty_status(
-                        EEM_Transaction::failed_status_code,
-                        false,
-                        'sentence'
-                    ),
-                ),
-            )
-        );
-
-        return array_merge($items, $more_items);
-    }
-
-
-    /**
-     *    _transactions_overview_list_table
-     *
-     * @access protected
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected function _transactions_overview_list_table()
-    {
-        $this->_admin_page_title = esc_html__('Transactions', 'event_espresso');
-        $event = isset($this->_req_data['EVT_ID'])
-            ? EEM_Event::instance()->get_one_by_ID($this->_req_data['EVT_ID'])
-            : null;
-        $this->_template_args['admin_page_header'] = $event instanceof EE_Event
-            ? sprintf(
-                esc_html__(
-                    '%sViewing Transactions for the Event: %s%s',
-                    'event_espresso'
-                ),
-                '<h3>',
-                '<a href="'
-                . EE_Admin_Page::add_query_args_and_nonce(
-                    array('action' => 'edit', 'post' => $event->ID()),
-                    EVENTS_ADMIN_URL
-                )
-                . '" title="'
-                . esc_attr__(
-                    'Click to Edit event',
-                    'event_espresso'
-                )
-                . '">' . $event->name() . '</a>',
-                '</h3>'
-            )
-            : '';
-        $this->_template_args['after_list_table'] = $this->_display_legend($this->_transaction_legend_items());
-        $this->display_admin_list_table_page_with_no_sidebar();
-    }
-
-
-    /**
-     *    _transaction_details
-     * generates HTML for the View Transaction Details Admin page
-     *
-     * @access protected
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws RuntimeException
-     * @throws ReflectionException
-     */
-    protected function _transaction_details()
-    {
-        do_action('AHEE__Transactions_Admin_Page__transaction_details__start', $this->_transaction);
-
-        $this->_set_transaction_status_array();
-
-        $this->_template_args = array();
-        $this->_template_args['transactions_page'] = $this->_wp_page_slug;
-
-        $this->_set_transaction_object();
-
-        if (! $this->_transaction instanceof EE_Transaction) {
-            return;
-        }
-        $primary_registration = $this->_transaction->primary_registration();
-        $attendee = $primary_registration instanceof EE_Registration
-            ? $primary_registration->attendee()
-            : null;
-
-        $this->_template_args['txn_nmbr']['value'] = $this->_transaction->ID();
-        $this->_template_args['txn_nmbr']['label'] = esc_html__('Transaction Number', 'event_espresso');
-
-        $this->_template_args['txn_datetime']['value'] = $this->_transaction->get_i18n_datetime('TXN_timestamp');
-        $this->_template_args['txn_datetime']['label'] = esc_html__('Date', 'event_espresso');
-
-        $this->_template_args['txn_status']['value'] = self::$_txn_status[ $this->_transaction->status_ID() ];
-        $this->_template_args['txn_status']['label'] = esc_html__('Transaction Status', 'event_espresso');
-        $this->_template_args['txn_status']['class'] = 'status-' . $this->_transaction->status_ID();
-
-        $this->_template_args['grand_total'] = $this->_transaction->total();
-        $this->_template_args['total_paid'] = $this->_transaction->paid();
-
-        $amount_due = $this->_transaction->total() - $this->_transaction->paid();
-        $this->_template_args['amount_due'] = EEH_Template::format_currency(
-            $amount_due,
-            true
-        );
-        if (EE_Registry::instance()->CFG->currency->sign_b4) {
-            $this->_template_args['amount_due'] = EE_Registry::instance()->CFG->currency->sign
-                                                  . $this->_template_args['amount_due'];
-        } else {
-            $this->_template_args['amount_due'] .= EE_Registry::instance()->CFG->currency->sign;
-        }
-        $this->_template_args['amount_due_class'] = '';
-
-        if ($this->_transaction->paid() === $this->_transaction->total()) {
-            // paid in full
-            $this->_template_args['amount_due'] = false;
-        } elseif ($this->_transaction->paid() > $this->_transaction->total()) {
-            // overpaid
-            $this->_template_args['amount_due_class'] = 'txn-overview-no-payment-spn';
-        } elseif ($this->_transaction->total() > (float) 0) {
-            if ($this->_transaction->paid() > (float) 0) {
-                // monies owing
-                $this->_template_args['amount_due_class'] = 'txn-overview-part-payment-spn';
-            } elseif ($this->_transaction->paid() === (float) 0) {
-                // no payments made yet
-                $this->_template_args['amount_due_class'] = 'txn-overview-no-payment-spn';
-            }
-        } elseif ($this->_transaction->total() === (float) 0) {
-            // free event
-            $this->_template_args['amount_due'] = false;
-        }
-
-        $payment_method = $this->_transaction->payment_method();
-
-        $this->_template_args['method_of_payment_name'] = $payment_method instanceof EE_Payment_Method
-            ? $payment_method->admin_name()
-            : esc_html__('Unknown', 'event_espresso');
-
-        $this->_template_args['currency_sign'] = EE_Registry::instance()->CFG->currency->sign;
-        // link back to overview
-        $this->_template_args['txn_overview_url'] = ! empty($_SERVER['HTTP_REFERER'])
-            ? $_SERVER['HTTP_REFERER']
-            : TXN_ADMIN_URL;
-
-
-        // next link
-        $next_txn = $this->_transaction->next(
-            null,
-            array(array('STS_ID' => array('!=', EEM_Transaction::failed_status_code))),
-            'TXN_ID'
-        );
-        $this->_template_args['next_transaction'] = $next_txn
-            ? $this->_next_link(
-                EE_Admin_Page::add_query_args_and_nonce(
-                    array('action' => 'view_transaction', 'TXN_ID' => $next_txn['TXN_ID']),
-                    TXN_ADMIN_URL
-                ),
-                'dashicons dashicons-arrow-right ee-icon-size-22'
-            )
-            : '';
-        // previous link
-        $previous_txn = $this->_transaction->previous(
-            null,
-            array(array('STS_ID' => array('!=', EEM_Transaction::failed_status_code))),
-            'TXN_ID'
-        );
-        $this->_template_args['previous_transaction'] = $previous_txn
-            ? $this->_previous_link(
-                EE_Admin_Page::add_query_args_and_nonce(
-                    array('action' => 'view_transaction', 'TXN_ID' => $previous_txn['TXN_ID']),
-                    TXN_ADMIN_URL
-                ),
-                'dashicons dashicons-arrow-left ee-icon-size-22'
-            )
-            : '';
-
-        // were we just redirected here after adding a new registration ???
-        if (isset(
-            $this->_req_data['redirect_from'],
-            $this->_req_data['EVT_ID'],
-            $this->_req_data['event_name']
-        )) {
-            if (EE_Registry::instance()->CAP->current_user_can(
-                'ee_edit_registrations',
-                'espresso_registrations_new_registration',
-                $this->_req_data['EVT_ID']
-            )) {
-                $this->_admin_page_title .= '<a id="add-new-registration" class="add-new-h2 button-primary" href="';
-                $this->_admin_page_title .= EE_Admin_Page::add_query_args_and_nonce(
-                    array(
-                        'page'     => 'espresso_registrations',
-                        'action'   => 'new_registration',
-                        'return'   => 'default',
-                        'TXN_ID'   => $this->_transaction->ID(),
-                        'event_id' => $this->_req_data['EVT_ID'],
-                    ),
-                    REG_ADMIN_URL
-                );
-                $this->_admin_page_title .= '">';
-
-                $this->_admin_page_title .= sprintf(
-                    esc_html__('Add Another New Registration to Event: "%1$s" ?', 'event_espresso'),
-                    htmlentities(urldecode($this->_req_data['event_name']), ENT_QUOTES, 'UTF-8')
-                );
-                $this->_admin_page_title .= '</a>';
-            }
-            EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
-        }
-        // grab messages at the last second
-        $this->_template_args['notices'] = EE_Error::get_notices();
-        // path to template
-        $template_path = TXN_TEMPLATE_PATH . 'txn_admin_details_header.template.php';
-        $this->_template_args['admin_page_header'] = EEH_Template::display_template(
-            $template_path,
-            $this->_template_args,
-            true
-        );
-
-        // the details template wrapper
-        $this->display_admin_page_with_sidebar();
-    }
-
-
-    /**
-     *        _transaction_details_metaboxes
-     *
-     * @access protected
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws RuntimeException
-     * @throws ReflectionException
-     */
-    protected function _transaction_details_metaboxes()
-    {
-
-        $this->_set_transaction_object();
-
-        if (! $this->_transaction instanceof EE_Transaction) {
-            return;
-        }
-        add_meta_box(
-            'edit-txn-details-mbox',
-            esc_html__('Transaction Details', 'event_espresso'),
-            array($this, 'txn_details_meta_box'),
-            $this->_wp_page_slug,
-            'normal',
-            'high'
-        );
-        add_meta_box(
-            'edit-txn-attendees-mbox',
-            esc_html__('Attendees Registered in this Transaction', 'event_espresso'),
-            array($this, 'txn_attendees_meta_box'),
-            $this->_wp_page_slug,
-            'normal',
-            'high',
-            array('TXN_ID' => $this->_transaction->ID())
-        );
-        add_meta_box(
-            'edit-txn-registrant-mbox',
-            esc_html__('Primary Contact', 'event_espresso'),
-            array($this, 'txn_registrant_side_meta_box'),
-            $this->_wp_page_slug,
-            'side',
-            'high'
-        );
-        add_meta_box(
-            'edit-txn-billing-info-mbox',
-            esc_html__('Billing Information', 'event_espresso'),
-            array($this, 'txn_billing_info_side_meta_box'),
-            $this->_wp_page_slug,
-            'side',
-            'high'
-        );
-    }
-
-
-    /**
-     * Callback for transaction actions metabox.
-     *
-     * @param EE_Transaction|null $transaction
-     * @return string
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     */
-    public function getActionButtons(EE_Transaction $transaction = null)
-    {
-        $content = '';
-        $actions = array();
-        if (! $transaction instanceof EE_Transaction) {
-            return $content;
-        }
-        /** @var EE_Registration $primary_registration */
-        $primary_registration = $transaction->primary_registration();
-        $attendee = $primary_registration instanceof EE_Registration
-            ? $primary_registration->attendee()
-            : null;
-
-        if ($attendee instanceof EE_Attendee
-            && EE_Registry::instance()->CAP->current_user_can(
-                'ee_send_message',
-                'espresso_transactions_send_payment_reminder'
-            )
-        ) {
-            $actions['payment_reminder'] =
-                EEH_MSG_Template::is_mt_active('payment_reminder')
-                && $this->_transaction->status_ID() !== EEM_Transaction::complete_status_code
-                && $this->_transaction->status_ID() !== EEM_Transaction::overpaid_status_code
-                    ? EEH_Template::get_button_or_link(
-                        EE_Admin_Page::add_query_args_and_nonce(
-                            array(
-                                'action'      => 'send_payment_reminder',
-                                'TXN_ID'      => $this->_transaction->ID(),
-                                'redirect_to' => 'view_transaction',
-                            ),
-                            TXN_ADMIN_URL
-                        ),
-                        esc_html__(' Send Payment Reminder', 'event_espresso'),
-                        'button secondary-button',
-                        'dashicons dashicons-email-alt'
-                    )
-                    : '';
-        }
-
-        if (EE_Registry::instance()->CAP->current_user_can(
-            'ee_edit_payments',
-            'espresso_transactions_recalculate_line_items'
-        )
-        ) {
-            $actions['recalculate_line_items'] = EEH_Template::get_button_or_link(
-                EE_Admin_Page::add_query_args_and_nonce(
-                    array(
-                        'action'      => 'espresso_recalculate_line_items',
-                        'TXN_ID'      => $this->_transaction->ID(),
-                        'redirect_to' => 'view_transaction',
-                    ),
-                    TXN_ADMIN_URL
-                ),
-                esc_html__(' Recalculate Taxes and Total', 'event_espresso'),
-                'button secondary-button',
-                'dashicons dashicons-update'
-            );
-        }
-
-        if ($primary_registration instanceof EE_Registration
-            && EEH_MSG_Template::is_mt_active('receipt')
-        ) {
-            $actions['receipt'] = EEH_Template::get_button_or_link(
-                $primary_registration->receipt_url(),
-                esc_html__('View Receipt', 'event_espresso'),
-                'button secondary-button',
-                'dashicons dashicons-media-default'
-            );
-        }
-
-        if ($primary_registration instanceof EE_Registration
-            && EEH_MSG_Template::is_mt_active('invoice')
-        ) {
-            $actions['invoice'] = EEH_Template::get_button_or_link(
-                $primary_registration->invoice_url(),
-                esc_html__('View Invoice', 'event_espresso'),
-                'button secondary-button',
-                'dashicons dashicons-media-spreadsheet'
-            );
-        }
-        $actions = array_filter(
-            apply_filters('FHEE__Transactions_Admin_Page__getActionButtons__actions', $actions, $transaction)
-        );
-        if ($actions) {
-            $content = '<ul>';
-            $content .= '<li>' . implode('</li><li>', $actions) . '</li>';
-            $content .= '</uL>';
-        }
-        return $content;
-    }
-
-
-    /**
-     * txn_details_meta_box
-     * generates HTML for the Transaction main meta box
-     *
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws RuntimeException
-     * @throws ReflectionException
-     */
-    public function txn_details_meta_box()
-    {
-        $this->_set_transaction_object();
-        $this->_template_args['TXN_ID'] = $this->_transaction->ID();
-        $this->_template_args['attendee'] = $this->_transaction->primary_registration() instanceof EE_Registration
-            ? $this->_transaction->primary_registration()->attendee()
-            : null;
-        $this->_template_args['can_edit_payments'] = EE_Registry::instance()->CAP->current_user_can(
-            'ee_edit_payments',
-            'apply_payment_or_refund_from_registration_details'
-        );
-        $this->_template_args['can_delete_payments'] = EE_Registry::instance()->CAP->current_user_can(
-            'ee_delete_payments',
-            'delete_payment_from_registration_details'
-        );
-
-        // get line table
-        EEH_Autoloader::register_line_item_display_autoloaders();
-        $Line_Item_Display = new EE_Line_Item_Display(
-            'admin_table',
-            'EE_Admin_Table_Line_Item_Display_Strategy'
-        );
-        $this->_template_args['line_item_table'] = $Line_Item_Display->display_line_item(
-            $this->_transaction->total_line_item()
-        );
-        $this->_template_args['REG_code'] = $this->_transaction->primary_registration()->reg_code();
-
-        // process taxes
-        $taxes = $this->_transaction->line_items(array(array('LIN_type' => EEM_Line_Item::type_tax)));
-        $this->_template_args['taxes'] = ! empty($taxes) ? $taxes : false;
-
-        $this->_template_args['grand_total'] = EEH_Template::format_currency(
-            $this->_transaction->total(),
-            false,
-            false
-        );
-        $this->_template_args['grand_raw_total'] = $this->_transaction->total();
-        $this->_template_args['TXN_status'] = $this->_transaction->status_ID();
-
-        // process payment details
-        $payments = $this->_transaction->payments();
-        if (! empty($payments)) {
-            $this->_template_args['payments'] = $payments;
-            $this->_template_args['existing_reg_payments'] = $this->_get_registration_payment_IDs($payments);
-        } else {
-            $this->_template_args['payments'] = false;
-            $this->_template_args['existing_reg_payments'] = array();
-        }
-
-        $this->_template_args['edit_payment_url'] = add_query_arg(array('action' => 'edit_payment'), TXN_ADMIN_URL);
-        $this->_template_args['delete_payment_url'] = add_query_arg(
-            array('action' => 'espresso_delete_payment'),
-            TXN_ADMIN_URL
-        );
-
-        if (isset($txn_details['invoice_number'])) {
-            $this->_template_args['txn_details']['invoice_number']['value'] = $this->_template_args['REG_code'];
-            $this->_template_args['txn_details']['invoice_number']['label'] = esc_html__(
-                'Invoice Number',
-                'event_espresso'
-            );
-        }
-
-        $this->_template_args['txn_details']['registration_session']['value'] = $this->_transaction
-            ->primary_registration()
-            ->session_ID();
-        $this->_template_args['txn_details']['registration_session']['label'] = esc_html__(
-            'Registration Session',
-            'event_espresso'
-        );
-
-        $this->_template_args['txn_details']['ip_address']['value'] = isset($this->_session['ip_address'])
-            ? $this->_session['ip_address']
-            : '';
-        $this->_template_args['txn_details']['ip_address']['label'] = esc_html__(
-            'Transaction placed from IP',
-            'event_espresso'
-        );
-
-        $this->_template_args['txn_details']['user_agent']['value'] = isset($this->_session['user_agent'])
-            ? $this->_session['user_agent']
-            : '';
-        $this->_template_args['txn_details']['user_agent']['label'] = esc_html__(
-            'Registrant User Agent',
-            'event_espresso'
-        );
-
-        $reg_steps = '<ul>';
-        foreach ($this->_transaction->reg_steps() as $reg_step => $reg_step_status) {
-            if ($reg_step_status === true) {
-                $reg_steps .= '<li style="color:#70cc50">'
-                              . sprintf(
-                                  esc_html__('%1$s : Completed', 'event_espresso'),
-                                  ucwords(str_replace('_', ' ', $reg_step))
-                              )
-                              . '</li>';
-            } elseif (is_numeric($reg_step_status) && $reg_step_status !== false) {
-                $reg_steps .= '<li style="color:#2EA2CC">'
-                              . sprintf(
-                                  esc_html__('%1$s : Initiated %2$s', 'event_espresso'),
-                                  ucwords(str_replace('_', ' ', $reg_step)),
-                                  date(
-                                      get_option('date_format') . ' ' . get_option('time_format'),
-                                      $reg_step_status + (get_option('gmt_offset') * HOUR_IN_SECONDS)
-                                  )
-                              )
-                              . '</li>';
-            } else {
-                $reg_steps .= '<li style="color:#E76700">'
-                              . sprintf(
-                                  esc_html__('%1$s : Never Initiated', 'event_espresso'),
-                                  ucwords(str_replace('_', ' ', $reg_step))
-                              )
-                              . '</li>';
-            }
-        }
-        $reg_steps .= '</ul>';
-        $this->_template_args['txn_details']['reg_steps']['value'] = $reg_steps;
-        $this->_template_args['txn_details']['reg_steps']['label'] = esc_html__(
-            'Registration Step Progress',
-            'event_espresso'
-        );
-
-
-        $this->_get_registrations_to_apply_payment_to();
-        $this->_get_payment_methods($payments);
-        $this->_get_payment_status_array();
-        $this->_get_reg_status_selection(); // sets up the template args for the reg status array for the transaction.
-
-        $this->_template_args['transaction_form_url'] = add_query_arg(
-            array(
-                'action'  => 'edit_transaction',
-                'process' => 'transaction',
-            ),
-            TXN_ADMIN_URL
-        );
-        $this->_template_args['apply_payment_form_url'] = add_query_arg(
-            array(
-                'page'   => 'espresso_transactions',
-                'action' => 'espresso_apply_payment',
-            ),
-            WP_AJAX_URL
-        );
-        $this->_template_args['delete_payment_form_url'] = add_query_arg(
-            array(
-                'page'   => 'espresso_transactions',
-                'action' => 'espresso_delete_payment',
-            ),
-            WP_AJAX_URL
-        );
-
-        $this->_template_args['action_buttons'] = $this->getActionButtons($this->_transaction);
-
-        // 'espresso_delete_payment_nonce'
-
-        $template_path = TXN_TEMPLATE_PATH . 'txn_admin_details_main_meta_box_txn_details.template.php';
-        echo EEH_Template::display_template($template_path, $this->_template_args, true);
-    }
-
-
-    /**
-     * _get_registration_payment_IDs
-     *    generates an array of Payment IDs and their corresponding Registration IDs
-     *
-     * @access protected
-     * @param EE_Payment[] $payments
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected function _get_registration_payment_IDs($payments = array())
-    {
-        $existing_reg_payments = array();
-        // get all reg payments for these payments
-        $reg_payments = EEM_Registration_Payment::instance()->get_all(
-            array(
-                array(
-                    'PAY_ID' => array(
-                        'IN',
-                        array_keys($payments),
-                    ),
-                ),
-            )
-        );
-        if (! empty($reg_payments)) {
-            foreach ($payments as $payment) {
-                if (! $payment instanceof EE_Payment) {
-                    continue;
-                } elseif (! isset($existing_reg_payments[ $payment->ID() ])) {
-                    $existing_reg_payments[ $payment->ID() ] = array();
-                }
-                foreach ($reg_payments as $reg_payment) {
-                    if ($reg_payment instanceof EE_Registration_Payment
-                        && $reg_payment->payment_ID() === $payment->ID()
-                    ) {
-                        $existing_reg_payments[ $payment->ID() ][] = $reg_payment->registration_ID();
-                    }
-                }
-            }
-        }
-
-        return $existing_reg_payments;
-    }
-
-
-    /**
-     * _get_registrations_to_apply_payment_to
-     *    generates HTML for displaying a series of checkboxes in the admin payment modal window
-     * which allows the admin to only apply the payment to the specific registrations
-     *
-     * @access protected
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected function _get_registrations_to_apply_payment_to()
-    {
-        // we want any registration with an active status (ie: not deleted or cancelled)
-        $query_params = array(
-            array(
-                'STS_ID' => array(
-                    'IN',
-                    array(
-                        EEM_Registration::status_id_approved,
-                        EEM_Registration::status_id_pending_payment,
-                        EEM_Registration::status_id_not_approved,
-                    ),
-                ),
-            ),
-        );
-        $registrations_to_apply_payment_to = EEH_HTML::br() . EEH_HTML::div(
-            '',
-            'txn-admin-apply-payment-to-registrations-dv',
-            '',
-            'clear: both; margin: 1.5em 0 0; display: none;'
-        );
-        $registrations_to_apply_payment_to .= EEH_HTML::br() . EEH_HTML::div('', '', 'admin-primary-mbox-tbl-wrap');
-        $registrations_to_apply_payment_to .= EEH_HTML::table('', '', 'admin-primary-mbox-tbl');
-        $registrations_to_apply_payment_to .= EEH_HTML::thead(
-            EEH_HTML::tr(
-                EEH_HTML::th(esc_html__('ID', 'event_espresso')) .
-                EEH_HTML::th(esc_html__('Registrant', 'event_espresso')) .
-                EEH_HTML::th(esc_html__('Ticket', 'event_espresso')) .
-                EEH_HTML::th(esc_html__('Event', 'event_espresso')) .
-                EEH_HTML::th(esc_html__('Paid', 'event_espresso'), '', 'txn-admin-payment-paid-td jst-cntr') .
-                EEH_HTML::th(esc_html__('Owing', 'event_espresso'), '', 'txn-admin-payment-owing-td jst-cntr') .
-                EEH_HTML::th(esc_html__('Apply', 'event_espresso'), '', 'jst-cntr')
-            )
-        );
-        $registrations_to_apply_payment_to .= EEH_HTML::tbody();
-        // get registrations for TXN
-        $registrations = $this->_transaction->registrations($query_params);
-        $existing_reg_payments = $this->_template_args['existing_reg_payments'];
-        foreach ($registrations as $registration) {
-            if ($registration instanceof EE_Registration) {
-                $attendee_name = $registration->attendee() instanceof EE_Attendee
-                    ? $registration->attendee()->full_name()
-                    : esc_html__('Unknown Attendee', 'event_espresso');
-                $owing = $registration->final_price() - $registration->paid();
-                $taxable = $registration->ticket()->taxable()
-                    ? ' <span class="smaller-text lt-grey-text"> ' . esc_html__('+ tax', 'event_espresso') . '</span>'
-                    : '';
-                $checked = empty($existing_reg_payments)
-                           || in_array($registration->ID(), $existing_reg_payments, true)
-                    ? ' checked="checked"'
-                    : '';
-                $disabled = $registration->final_price() > 0 ? '' : ' disabled';
-                $registrations_to_apply_payment_to .= EEH_HTML::tr(
-                    EEH_HTML::td($registration->ID()) .
-                    EEH_HTML::td($attendee_name) .
-                    EEH_HTML::td(
-                        $registration->ticket()->name() . ' : ' . $registration->ticket()->pretty_price() . $taxable
-                    ) .
-                    EEH_HTML::td($registration->event_name()) .
-                    EEH_HTML::td($registration->pretty_paid(), '', 'txn-admin-payment-paid-td jst-cntr') .
-                    EEH_HTML::td(
-                        EEH_Template::format_currency($owing),
-                        '',
-                        'txn-admin-payment-owing-td jst-cntr'
-                    ) .
-                    EEH_HTML::td(
-                        '<input type="checkbox" value="' . $registration->ID()
-                        . '" name="txn_admin_payment[registrations]"'
-                        . $checked . $disabled . '>',
-                        '',
-                        'jst-cntr'
-                    ),
-                    'apply-payment-registration-row-' . $registration->ID()
-                );
-            }
-        }
-        $registrations_to_apply_payment_to .= EEH_HTML::tbodyx();
-        $registrations_to_apply_payment_to .= EEH_HTML::tablex();
-        $registrations_to_apply_payment_to .= EEH_HTML::divx();
-        $registrations_to_apply_payment_to .= EEH_HTML::p(
-            esc_html__(
-                'The payment will only be applied to the registrations that have a check mark in their corresponding check box. Checkboxes for free registrations have been disabled.',
-                'event_espresso'
-            ),
-            '',
-            'clear description'
-        );
-        $registrations_to_apply_payment_to .= EEH_HTML::divx();
-        $this->_template_args['registrations_to_apply_payment_to'] = $registrations_to_apply_payment_to;
-    }
-
-
-    /**
-     * _get_reg_status_selection
-     *
-     * @todo   this will need to be adjusted either once MER comes along OR we move default reg status to tickets
-     *         instead of events.
-     * @access protected
-     * @return void
-     * @throws EE_Error
-     */
-    protected function _get_reg_status_selection()
-    {
-        // first get all possible statuses
-        $statuses = EEM_Registration::reg_status_array(array(), true);
-        // let's add a "don't change" option.
-        $status_array['NAN'] = esc_html__('Leave the Same', 'event_espresso');
-        $status_array = array_merge($status_array, $statuses);
-        $this->_template_args['status_change_select'] = EEH_Form_Fields::select_input(
-            'txn_reg_status_change[reg_status]',
-            $status_array,
-            'NAN',
-            'id="txn-admin-payment-reg-status-inp"',
-            'txn-reg-status-change-reg-status'
-        );
-        $this->_template_args['delete_status_change_select'] = EEH_Form_Fields::select_input(
-            'delete_txn_reg_status_change[reg_status]',
-            $status_array,
-            'NAN',
-            'delete-txn-admin-payment-reg-status-inp',
-            'delete-txn-reg-status-change-reg-status'
-        );
-    }
-
-
-    /**
-     *    _get_payment_methods
-     * Gets all the payment methods available generally, or the ones that are already
-     * selected on these payments (in case their payment methods are no longer active).
-     * Has the side-effect of updating the template args' payment_methods item
-     *
-     * @access private
-     * @param EE_Payment[] to show on this page
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    private function _get_payment_methods($payments = array())
-    {
-        $payment_methods_of_payments = array();
-        foreach ($payments as $payment) {
-            if ($payment instanceof EE_Payment) {
-                $payment_methods_of_payments[] = $payment->ID();
-            }
-        }
-        if ($payment_methods_of_payments) {
-            $query_args = array(
-                array(
-                    'OR*payment_method_for_payment' => array(
-                        'PMD_ID'    => array('IN', $payment_methods_of_payments),
-                        'PMD_scope' => array('LIKE', '%' . EEM_Payment_Method::scope_admin . '%'),
-                    ),
-                ),
-            );
-        } else {
-            $query_args = array(array('PMD_scope' => array('LIKE', '%' . EEM_Payment_Method::scope_admin . '%')));
-        }
-        $this->_template_args['payment_methods'] = EEM_Payment_Method::instance()->get_all($query_args);
-    }
-
-
-    /**
-     * txn_attendees_meta_box
-     *    generates HTML for the Attendees Transaction main meta box
-     *
-     * @access public
-     * @param WP_Post $post
-     * @param array   $metabox
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function txn_attendees_meta_box($post, $metabox = array('args' => array()))
-    {
-
-        /** @noinspection NonSecureExtractUsageInspection */
-        extract($metabox['args']);
-        $this->_template_args['post'] = $post;
-        $this->_template_args['event_attendees'] = array();
-        // process items in cart
-        $line_items = $this->_transaction->get_many_related(
-            'Line_Item',
-            array(array('LIN_type' => 'line-item'))
-        );
-        if (! empty($line_items)) {
-            foreach ($line_items as $item) {
-                if ($item instanceof EE_Line_Item) {
-                    switch ($item->OBJ_type()) {
-                        case 'Event':
-                            break;
-                        case 'Ticket':
-                            $ticket = $item->ticket();
-                            // right now we're only handling tickets here.
-                            // Cause its expected that only tickets will have attendees right?
-                            if (! $ticket instanceof EE_Ticket) {
-                                break;
-                            }
-                            try {
-                                $event_name = $ticket->get_event_name();
-                            } catch (Exception $e) {
-                                EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
-                                $event_name = esc_html__('Unknown Event', 'event_espresso');
-                            }
-                            $event_name .= ' - ' . $item->name();
-                            $ticket_price = EEH_Template::format_currency($item->unit_price());
-                            // now get all of the registrations for this transaction that use this ticket
-                            $registrations = $ticket->registrations(
-                                array(array('TXN_ID' => $this->_transaction->ID()))
-                            );
-                            foreach ($registrations as $registration) {
-                                if (! $registration instanceof EE_Registration) {
-                                    break;
-                                }
-                                $this->_template_args['event_attendees'][ $registration->ID() ]['STS_ID']
-                                    = $registration->status_ID();
-                                $this->_template_args['event_attendees'][ $registration->ID() ]['att_num']
-                                    = $registration->count();
-                                $this->_template_args['event_attendees'][ $registration->ID() ]['event_ticket_name']
-                                    = $event_name;
-                                $this->_template_args['event_attendees'][ $registration->ID() ]['ticket_price']
-                                    = $ticket_price;
-                                // attendee info
-                                $attendee = $registration->get_first_related('Attendee');
-                                if ($attendee instanceof EE_Attendee) {
-                                    $this->_template_args['event_attendees'][ $registration->ID() ]['att_id']
-                                        = $attendee->ID();
-                                    $this->_template_args['event_attendees'][ $registration->ID() ]['attendee']
-                                        = $attendee->full_name();
-                                    $this->_template_args['event_attendees'][ $registration->ID() ]['email']
-                                        = '<a href="mailto:' . $attendee->email() . '?subject=' . $event_name
-                                          . esc_html__(
-                                              ' Event',
-                                              'event_espresso'
-                                          )
-                                          . '">' . $attendee->email() . '</a>';
-                                    $this->_template_args['event_attendees'][ $registration->ID() ]['address']
-                                        = EEH_Address::format($attendee, 'inline', false, false);
-                                } else {
-                                    $this->_template_args['event_attendees'][ $registration->ID() ]['att_id'] = '';
-                                    $this->_template_args['event_attendees'][ $registration->ID() ]['attendee'] = '';
-                                    $this->_template_args['event_attendees'][ $registration->ID() ]['email'] = '';
-                                    $this->_template_args['event_attendees'][ $registration->ID() ]['address'] = '';
-                                }
-                            }
-                            break;
-                    }
-                }
-            }
-
-            $this->_template_args['transaction_form_url'] = add_query_arg(
-                array(
-                    'action'  => 'edit_transaction',
-                    'process' => 'attendees',
-                ),
-                TXN_ADMIN_URL
-            );
-            echo EEH_Template::display_template(
-                TXN_TEMPLATE_PATH . 'txn_admin_details_main_meta_box_attendees.template.php',
-                $this->_template_args,
-                true
-            );
-        } else {
-            echo sprintf(
-                esc_html__(
-                    '%1$sFor some reason, there are no attendees registered for this transaction. Likely the registration was abandoned in process.%2$s',
-                    'event_espresso'
-                ),
-                '<p class="important-notice">',
-                '</p>'
-            );
-        }
-    }
-
-
-    /**
-     * txn_registrant_side_meta_box
-     * generates HTML for the Edit Transaction side meta box
-     *
-     * @access public
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public function txn_registrant_side_meta_box()
-    {
-        $primary_att = $this->_transaction->primary_registration() instanceof EE_Registration
-            ? $this->_transaction->primary_registration()->get_first_related('Attendee')
-            : null;
-        if (! $primary_att instanceof EE_Attendee) {
-            $this->_template_args['no_attendee_message'] = esc_html__(
-                'There is no attached contact for this transaction.  The transaction either failed due to an error or was abandoned.',
-                'event_espresso'
-            );
-            $primary_att = EEM_Attendee::instance()->create_default_object();
-        }
-        $this->_template_args['ATT_ID'] = $primary_att->ID();
-        $this->_template_args['prime_reg_fname'] = $primary_att->fname();
-        $this->_template_args['prime_reg_lname'] = $primary_att->lname();
-        $this->_template_args['prime_reg_email'] = $primary_att->email();
-        $this->_template_args['prime_reg_phone'] = $primary_att->phone();
-        $this->_template_args['edit_attendee_url'] = EE_Admin_Page::add_query_args_and_nonce(
-            array(
-                'action' => 'edit_attendee',
-                'post'   => $primary_att->ID(),
-            ),
-            REG_ADMIN_URL
-        );
-        // get formatted address for registrant
-        $this->_template_args['formatted_address'] = EEH_Address::format($primary_att);
-        echo EEH_Template::display_template(
-            TXN_TEMPLATE_PATH . 'txn_admin_details_side_meta_box_registrant.template.php',
-            $this->_template_args,
-            true
-        );
-    }
-
-
-    /**
-     * txn_billing_info_side_meta_box
-     *    generates HTML for the Edit Transaction side meta box
-     *
-     * @access public
-     * @return void
-     * @throws DomainException
-     * @throws EE_Error
-     */
-    public function txn_billing_info_side_meta_box()
-    {
-
-        $this->_template_args['billing_form'] = $this->_transaction->billing_info();
-        $this->_template_args['billing_form_url'] = add_query_arg(
-            array('action' => 'edit_transaction', 'process' => 'billing'),
-            TXN_ADMIN_URL
-        );
-
-        $template_path = TXN_TEMPLATE_PATH . 'txn_admin_details_side_meta_box_billing_info.template.php';
-        echo EEH_Template::display_template($template_path, $this->_template_args, true);
-    }
-
-
-    /**
-     * apply_payments_or_refunds
-     *    registers a payment or refund made towards a transaction
-     *
-     * @access public
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function apply_payments_or_refunds()
-    {
-        $json_response_data = array('return_data' => false);
-        $valid_data = $this->_validate_payment_request_data();
-        $has_access = EE_Registry::instance()->CAP->current_user_can(
-            'ee_edit_payments',
-            'apply_payment_or_refund_from_registration_details'
-        );
-        if (! empty($valid_data) && $has_access) {
-            $PAY_ID = $valid_data['PAY_ID'];
-            // save  the new payment
-            $payment = $this->_create_payment_from_request_data($valid_data);
-            // get the TXN for this payment
-            $transaction = $payment->transaction();
-            // verify transaction
-            if ($transaction instanceof EE_Transaction) {
-                // calculate_total_payments_and_update_status
-                $this->_process_transaction_payments($transaction);
-                $REG_IDs = $this->_get_REG_IDs_to_apply_payment_to($payment);
-                $this->_remove_existing_registration_payments($payment, $PAY_ID);
-                // apply payment to registrations (if applicable)
-                if (! empty($REG_IDs)) {
-                    $this->_update_registration_payments($transaction, $payment, $REG_IDs);
-                    $this->_maybe_send_notifications();
-                    // now process status changes for the same registrations
-                    $this->_process_registration_status_change($transaction, $REG_IDs);
-                }
-                $this->_maybe_send_notifications($payment);
-                // prepare to render page
-                $json_response_data['return_data'] = $this->_build_payment_json_response($payment, $REG_IDs);
-                do_action(
-                    'AHEE__Transactions_Admin_Page__apply_payments_or_refund__after_recording',
-                    $transaction,
-                    $payment
-                );
-            } else {
-                EE_Error::add_error(
-                    esc_html__(
-                        'A valid Transaction for this payment could not be retrieved.',
-                        'event_espresso'
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-            }
-        } elseif ($has_access) {
-            EE_Error::add_error(
-                esc_html__(
-                    'The payment form data could not be processed. Please try again.',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        } else {
-            EE_Error::add_error(
-                esc_html__(
-                    'You do not have access to apply payments or refunds to a registration.',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-        $notices = EE_Error::get_notices(
-            false,
-            false,
-            false
-        );
-        $this->_template_args = array(
-            'data'    => $json_response_data,
-            'error'   => $notices['errors'],
-            'success' => $notices['success'],
-        );
-        $this->_return_json();
-    }
-
-
-    /**
-     * _validate_payment_request_data
-     *
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _validate_payment_request_data()
-    {
-        if (! isset($this->_req_data['txn_admin_payment'])) {
-            return array();
-        }
-        $payment_form = $this->_generate_payment_form_section();
-        try {
-            if ($payment_form->was_submitted()) {
-                $payment_form->receive_form_submission();
-                if (! $payment_form->is_valid()) {
-                    $submission_error_messages = array();
-                    foreach ($payment_form->get_validation_errors_accumulated() as $validation_error) {
-                        if ($validation_error instanceof EE_Validation_Error) {
-                            $submission_error_messages[] = sprintf(
-                                _x('%s : %s', 'Form Section Name : Form Validation Error', 'event_espresso'),
-                                $validation_error->get_form_section()->html_label_text(),
-                                $validation_error->getMessage()
-                            );
-                        }
-                    }
-                    EE_Error::add_error(
-                        implode('<br />', $submission_error_messages),
-                        __FILE__,
-                        __FUNCTION__,
-                        __LINE__
-                    );
-                    return array();
-                }
-            }
-        } catch (EE_Error $e) {
-            EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
-            return array();
-        }
-
-        return $payment_form->valid_data();
-    }
-
-
-    /**
-     * _generate_payment_form_section
-     *
-     * @return EE_Form_Section_Proper
-     * @throws EE_Error
-     */
-    protected function _generate_payment_form_section()
-    {
-        return new EE_Form_Section_Proper(
-            array(
-                'name'        => 'txn_admin_payment',
-                'subsections' => array(
-                    'PAY_ID'          => new EE_Text_Input(
-                        array(
-                            'default'               => 0,
-                            'required'              => false,
-                            'html_label_text'       => esc_html__('Payment ID', 'event_espresso'),
-                            'validation_strategies' => array(new EE_Int_Normalization()),
-                        )
-                    ),
-                    'TXN_ID'          => new EE_Text_Input(
-                        array(
-                            'default'               => 0,
-                            'required'              => true,
-                            'html_label_text'       => esc_html__('Transaction ID', 'event_espresso'),
-                            'validation_strategies' => array(new EE_Int_Normalization()),
-                        )
-                    ),
-                    'type'            => new EE_Text_Input(
-                        array(
-                            'default'               => 1,
-                            'required'              => true,
-                            'html_label_text'       => esc_html__('Payment or Refund', 'event_espresso'),
-                            'validation_strategies' => array(new EE_Int_Normalization()),
-                        )
-                    ),
-                    'amount'          => new EE_Text_Input(
-                        array(
-                            'default'               => 0,
-                            'required'              => true,
-                            'html_label_text'       => esc_html__('Payment amount', 'event_espresso'),
-                            'validation_strategies' => array(new EE_Float_Normalization()),
-                        )
-                    ),
-                    'status'          => new EE_Text_Input(
-                        array(
-                            'default'         => EEM_Payment::status_id_approved,
-                            'required'        => true,
-                            'html_label_text' => esc_html__('Payment status', 'event_espresso'),
-                        )
-                    ),
-                    'PMD_ID'          => new EE_Text_Input(
-                        array(
-                            'default'               => 2,
-                            'required'              => true,
-                            'html_label_text'       => esc_html__('Payment Method', 'event_espresso'),
-                            'validation_strategies' => array(new EE_Int_Normalization()),
-                        )
-                    ),
-                    'date'            => new EE_Text_Input(
-                        array(
-                            'default'         => time(),
-                            'required'        => true,
-                            'html_label_text' => esc_html__('Payment date', 'event_espresso'),
-                        )
-                    ),
-                    'txn_id_chq_nmbr' => new EE_Text_Input(
-                        array(
-                            'default'               => '',
-                            'required'              => false,
-                            'html_label_text'       => esc_html__('Transaction or Cheque Number', 'event_espresso'),
-                            'validation_strategies' => array(
-                                new EE_Max_Length_Validation_Strategy(
-                                    esc_html__('Input too long', 'event_espresso'),
-                                    100
-                                ),
-                            ),
-                        )
-                    ),
-                    'po_number'       => new EE_Text_Input(
-                        array(
-                            'default'               => '',
-                            'required'              => false,
-                            'html_label_text'       => esc_html__('Purchase Order Number', 'event_espresso'),
-                            'validation_strategies' => array(
-                                new EE_Max_Length_Validation_Strategy(
-                                    esc_html__('Input too long', 'event_espresso'),
-                                    100
-                                ),
-                            ),
-                        )
-                    ),
-                    'accounting'      => new EE_Text_Input(
-                        array(
-                            'default'               => '',
-                            'required'              => false,
-                            'html_label_text'       => esc_html__('Extra Field for Accounting', 'event_espresso'),
-                            'validation_strategies' => array(
-                                new EE_Max_Length_Validation_Strategy(
-                                    esc_html__('Input too long', 'event_espresso'),
-                                    100
-                                ),
-                            ),
-                        )
-                    ),
-                ),
-            )
-        );
-    }
-
-
-    /**
-     * _create_payment_from_request_data
-     *
-     * @param array $valid_data
-     * @return EE_Payment
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected function _create_payment_from_request_data($valid_data)
-    {
-        $PAY_ID = $valid_data['PAY_ID'];
-        // get payment amount
-        $amount = $valid_data['amount'] ? abs($valid_data['amount']) : 0;
-        // payments have a type value of 1 and refunds have a type value of -1
-        // so multiplying amount by type will give a positive value for payments, and negative values for refunds
-        $amount = $valid_data['type'] < 0 ? $amount * -1 : $amount;
-        // for some reason the date string coming in has extra spaces between the date and time.  This fixes that.
-        $date = $valid_data['date']
-            ? preg_replace('/\s+/', ' ', $valid_data['date'])
-            : date('Y-m-d g:i a', current_time('timestamp'));
-        $payment = EE_Payment::new_instance(
-            array(
-                'TXN_ID'              => $valid_data['TXN_ID'],
-                'STS_ID'              => $valid_data['status'],
-                'PAY_timestamp'       => $date,
-                'PAY_source'          => EEM_Payment_Method::scope_admin,
-                'PMD_ID'              => $valid_data['PMD_ID'],
-                'PAY_amount'          => $amount,
-                'PAY_txn_id_chq_nmbr' => $valid_data['txn_id_chq_nmbr'],
-                'PAY_po_number'       => $valid_data['po_number'],
-                'PAY_extra_accntng'   => $valid_data['accounting'],
-                'PAY_details'         => $valid_data,
-                'PAY_ID'              => $PAY_ID,
-            ),
-            '',
-            array('Y-m-d', 'g:i a')
-        );
-
-        if (! $payment->save()) {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__('Payment %1$d has not been successfully saved to the database.', 'event_espresso'),
-                    $payment->ID()
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-
-        return $payment;
-    }
-
-
-    /**
-     * _process_transaction_payments
-     *
-     * @param \EE_Transaction $transaction
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _process_transaction_payments(EE_Transaction $transaction)
-    {
-        /** @type EE_Transaction_Payments $transaction_payments */
-        $transaction_payments = EE_Registry::instance()->load_class('Transaction_Payments');
-        // update the transaction with this payment
-        if ($transaction_payments->calculate_total_payments_and_update_status($transaction)) {
-            EE_Error::add_success(
-                esc_html__(
-                    'The payment has been processed successfully.',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        } else {
-            EE_Error::add_error(
-                esc_html__(
-                    'The payment was processed successfully but the amount paid for the transaction was not updated.',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-    }
-
-
-    /**
-     * _get_REG_IDs_to_apply_payment_to
-     * returns a list of registration IDs that the payment will apply to
-     *
-     * @param \EE_Payment $payment
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected function _get_REG_IDs_to_apply_payment_to(EE_Payment $payment)
-    {
-        $REG_IDs = array();
-        // grab array of IDs for specific registrations to apply changes to
-        if (isset($this->_req_data['txn_admin_payment']['registrations'])) {
-            $REG_IDs = (array) $this->_req_data['txn_admin_payment']['registrations'];
-        }
-        // nothing specified ? then get all reg IDs
-        if (empty($REG_IDs)) {
-            $registrations = $payment->transaction()->registrations();
-            $REG_IDs = ! empty($registrations)
-                ? array_keys($registrations)
-                : $this->_get_existing_reg_payment_REG_IDs($payment);
-        }
-
-        // ensure that REG_IDs are integers and NOT strings
-        return array_map('intval', $REG_IDs);
-    }
-
-
-    /**
-     * @return array
-     */
-    public function existing_reg_payment_REG_IDs()
-    {
-        return $this->_existing_reg_payment_REG_IDs;
-    }
-
-
-    /**
-     * @param array $existing_reg_payment_REG_IDs
-     */
-    public function set_existing_reg_payment_REG_IDs($existing_reg_payment_REG_IDs = null)
-    {
-        $this->_existing_reg_payment_REG_IDs = $existing_reg_payment_REG_IDs;
-    }
-
-
-    /**
-     * _get_existing_reg_payment_REG_IDs
-     * returns a list of registration IDs that the payment is currently related to
-     * as recorded in the database
-     *
-     * @param \EE_Payment $payment
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected function _get_existing_reg_payment_REG_IDs(EE_Payment $payment)
-    {
-        if ($this->existing_reg_payment_REG_IDs() === null) {
-            // let's get any existing reg payment records for this payment
-            $existing_reg_payment_REG_IDs = $payment->get_many_related('Registration');
-            // but we only want the REG IDs, so grab the array keys
-            $existing_reg_payment_REG_IDs = ! empty($existing_reg_payment_REG_IDs)
-                ? array_keys($existing_reg_payment_REG_IDs)
-                : array();
-            $this->set_existing_reg_payment_REG_IDs($existing_reg_payment_REG_IDs);
-        }
-
-        return $this->existing_reg_payment_REG_IDs();
-    }
-
-
-    /**
-     * _remove_existing_registration_payments
-     * this calculates the difference between existing relations
-     * to the supplied payment and the new list registration IDs,
-     * removes any related registrations that no longer apply,
-     * and then updates the registration paid fields
-     *
-     * @param \EE_Payment $payment
-     * @param int         $PAY_ID
-     * @return bool;
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _remove_existing_registration_payments(EE_Payment $payment, $PAY_ID = 0)
-    {
-        // newly created payments will have nothing recorded for $PAY_ID
-        if (absint($PAY_ID) === 0) {
-            return false;
-        }
-        $existing_reg_payment_REG_IDs = $this->_get_existing_reg_payment_REG_IDs($payment);
-        if (empty($existing_reg_payment_REG_IDs)) {
-            return false;
-        }
-        /** @type EE_Transaction_Payments $transaction_payments */
-        $transaction_payments = EE_Registry::instance()->load_class('Transaction_Payments');
-
-        return $transaction_payments->delete_registration_payments_and_update_registrations(
-            $payment,
-            array(
-                array(
-                    'PAY_ID' => $payment->ID(),
-                    'REG_ID' => array('IN', $existing_reg_payment_REG_IDs),
-                ),
-            )
-        );
-    }
-
-
-    /**
-     * _update_registration_payments
-     * this applies the payments to the selected registrations
-     * but only if they have not already been paid for
-     *
-     * @param  EE_Transaction $transaction
-     * @param \EE_Payment     $payment
-     * @param array           $REG_IDs
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _update_registration_payments(
-        EE_Transaction $transaction,
-        EE_Payment $payment,
-        $REG_IDs = array()
-    ) {
-        // we can pass our own custom set of registrations to EE_Payment_Processor::process_registration_payments()
-        // so let's do that using our set of REG_IDs from the form
-        $registration_query_where_params = array(
-            'REG_ID' => array('IN', $REG_IDs),
-        );
-        // but add in some conditions regarding payment,
-        // so that we don't apply payments to registrations that are free or have already been paid for
-        // but ONLY if the payment is NOT a refund ( ie: the payment amount is not negative )
-        if (! $payment->is_a_refund()) {
-            $registration_query_where_params['REG_final_price'] = array('!=', 0);
-            $registration_query_where_params['REG_final_price*'] = array('!=', 'REG_paid', true);
-        }
-        $registrations = $transaction->registrations(array($registration_query_where_params));
-        if (! empty($registrations)) {
-            /** @type EE_Payment_Processor $payment_processor */
-            $payment_processor = EE_Registry::instance()->load_core('Payment_Processor');
-            $payment_processor->process_registration_payments($transaction, $payment, $registrations);
-        }
-    }
-
-
-    /**
-     * _process_registration_status_change
-     * This processes requested registration status changes for all the registrations
-     * on a given transaction and (optionally) sends out notifications for the changes.
-     *
-     * @param  EE_Transaction $transaction
-     * @param array           $REG_IDs
-     * @return bool
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _process_registration_status_change(EE_Transaction $transaction, $REG_IDs = array())
-    {
-        // first if there is no change in status then we get out.
-        if (! isset($this->_req_data['txn_reg_status_change']['reg_status'])
-            || $this->_req_data['txn_reg_status_change']['reg_status'] === 'NAN'
-        ) {
-            // no error message, no change requested, just nothing to do man.
-            return false;
-        }
-        /** @type EE_Transaction_Processor $transaction_processor */
-        $transaction_processor = EE_Registry::instance()->load_class('Transaction_Processor');
-
-        // made it here dude?  Oh WOW.  K, let's take care of changing the statuses
-        return $transaction_processor->manually_update_registration_statuses(
-            $transaction,
-            sanitize_text_field($this->_req_data['txn_reg_status_change']['reg_status']),
-            array(array('REG_ID' => array('IN', $REG_IDs)))
-        );
-    }
-
-
-    /**
-     * _build_payment_json_response
-     *
-     * @access public
-     * @param \EE_Payment $payment
-     * @param array       $REG_IDs
-     * @param bool | null $delete_txn_reg_status_change
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected function _build_payment_json_response(
-        EE_Payment $payment,
-        $REG_IDs = array(),
-        $delete_txn_reg_status_change = null
-    ) {
-        // was the payment deleted ?
-        if (is_bool($delete_txn_reg_status_change)) {
-            return array(
-                'PAY_ID'                       => $payment->ID(),
-                'amount'                       => $payment->amount(),
-                'total_paid'                   => $payment->transaction()->paid(),
-                'txn_status'                   => $payment->transaction()->status_ID(),
-                'pay_status'                   => $payment->STS_ID(),
-                'registrations'                => $this->_registration_payment_data_array($REG_IDs),
-                'delete_txn_reg_status_change' => $delete_txn_reg_status_change,
-            );
-        } else {
-            $this->_get_payment_status_array();
-
-            return array(
-                'amount'           => $payment->amount(),
-                'total_paid'       => $payment->transaction()->paid(),
-                'txn_status'       => $payment->transaction()->status_ID(),
-                'pay_status'       => $payment->STS_ID(),
-                'PAY_ID'           => $payment->ID(),
-                'STS_ID'           => $payment->STS_ID(),
-                'status'           => self::$_pay_status[ $payment->STS_ID() ],
-                'date'             => $payment->timestamp('Y-m-d', 'h:i a'),
-                'method'           => strtoupper($payment->source()),
-                'PM_ID'            => $payment->payment_method() ? $payment->payment_method()->ID() : 1,
-                'gateway'          => $payment->payment_method()
-                    ? $payment->payment_method()->admin_name()
-                    : esc_html__('Unknown', 'event_espresso'),
-                'gateway_response' => $payment->gateway_response(),
-                'txn_id_chq_nmbr'  => $payment->txn_id_chq_nmbr(),
-                'po_number'        => $payment->po_number(),
-                'extra_accntng'    => $payment->extra_accntng(),
-                'registrations'    => $this->_registration_payment_data_array($REG_IDs),
-            );
-        }
-    }
-
-
-    /**
-     * delete_payment
-     *    delete a payment or refund made towards a transaction
-     *
-     * @access public
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function delete_payment()
-    {
-        $json_response_data = array('return_data' => false);
-        $PAY_ID = isset($this->_req_data['delete_txn_admin_payment']['PAY_ID'])
-            ? absint($this->_req_data['delete_txn_admin_payment']['PAY_ID'])
-            : 0;
-        $can_delete = EE_Registry::instance()->CAP->current_user_can(
-            'ee_delete_payments',
-            'delete_payment_from_registration_details'
-        );
-        if ($PAY_ID && $can_delete) {
-            $delete_txn_reg_status_change = isset($this->_req_data['delete_txn_reg_status_change'])
-                ? $this->_req_data['delete_txn_reg_status_change']
-                : false;
-            $payment = EEM_Payment::instance()->get_one_by_ID($PAY_ID);
-            if ($payment instanceof EE_Payment) {
-                $REG_IDs = $this->_get_existing_reg_payment_REG_IDs($payment);
-                /** @type EE_Transaction_Payments $transaction_payments */
-                $transaction_payments = EE_Registry::instance()->load_class('Transaction_Payments');
-                if ($transaction_payments->delete_payment_and_update_transaction($payment)) {
-                    $json_response_data['return_data'] = $this->_build_payment_json_response(
-                        $payment,
-                        $REG_IDs,
-                        $delete_txn_reg_status_change
-                    );
-                    if ($delete_txn_reg_status_change) {
-                        $this->_req_data['txn_reg_status_change'] = $delete_txn_reg_status_change;
-                        // MAKE sure we also add the delete_txn_req_status_change to the
-                        // $_REQUEST global because that's how messages will be looking for it.
-                        $_REQUEST['txn_reg_status_change'] = $delete_txn_reg_status_change;
-                        $this->_maybe_send_notifications();
-                        $this->_process_registration_status_change($payment->transaction(), $REG_IDs);
-                    }
-                }
-            } else {
-                EE_Error::add_error(
-                    esc_html__('Valid Payment data could not be retrieved from the database.', 'event_espresso'),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-            }
-        } elseif ($can_delete) {
-            EE_Error::add_error(
-                esc_html__(
-                    'A valid Payment ID was not received, therefore payment form data could not be loaded.',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        } else {
-            EE_Error::add_error(
-                esc_html__(
-                    'You do not have access to delete a payment.',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-        $notices = EE_Error::get_notices(false, false, false);
-        $this->_template_args = array(
-            'data'      => $json_response_data,
-            'success'   => $notices['success'],
-            'error'     => $notices['errors'],
-            'attention' => $notices['attention'],
-        );
-        $this->_return_json();
-    }
-
-
-    /**
-     * _registration_payment_data_array
-     * adds info for 'owing' and 'paid' for each registration to the json response
-     *
-     * @access protected
-     * @param array $REG_IDs
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected function _registration_payment_data_array($REG_IDs)
-    {
-        $registration_payment_data = array();
-        // if non empty reg_ids lets get an array of registrations and update the values for the apply_payment/refund rows.
-        if (! empty($REG_IDs)) {
-            $registrations = EEM_Registration::instance()->get_all(array(array('REG_ID' => array('IN', $REG_IDs))));
-            foreach ($registrations as $registration) {
-                if ($registration instanceof EE_Registration) {
-                    $registration_payment_data[ $registration->ID() ] = array(
-                        'paid'  => $registration->pretty_paid(),
-                        'owing' => EEH_Template::format_currency($registration->final_price() - $registration->paid()),
-                    );
-                }
-            }
-        }
-
-        return $registration_payment_data;
-    }
-
-
-    /**
-     * _maybe_send_notifications
-     * determines whether or not the admin has indicated that notifications should be sent.
-     * If so, will toggle a filter switch for delivering registration notices.
-     * If passed an EE_Payment object, then it will trigger payment notifications instead.
-     *
-     * @access protected
-     * @param \EE_Payment | null $payment
-     */
-    protected function _maybe_send_notifications($payment = null)
-    {
-        switch ($payment instanceof EE_Payment) {
-            // payment notifications
-            case true:
-                if (isset($this->_req_data['txn_payments']['send_notifications'])
-                    && filter_var(
-                        $this->_req_data['txn_payments']['send_notifications'],
-                        FILTER_VALIDATE_BOOLEAN
-                    )
-                ) {
-                    $this->_process_payment_notification($payment);
-                }
-                break;
-            // registration notifications
-            case false:
-                if (isset($this->_req_data['txn_reg_status_change']['send_notifications'])
-                    && filter_var(
-                        $this->_req_data['txn_reg_status_change']['send_notifications'],
-                        FILTER_VALIDATE_BOOLEAN
-                    )
-                ) {
-                    add_filter('FHEE__EED_Messages___maybe_registration__deliver_notifications', '__return_true');
-                }
-                break;
-        }
-    }
-
-
-    /**
-     * _send_payment_reminder
-     *    generates HTML for the View Transaction Details Admin page
-     *
-     * @access protected
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _send_payment_reminder()
-    {
-        $TXN_ID = ! empty($this->_req_data['TXN_ID']) ? absint($this->_req_data['TXN_ID']) : false;
-        $transaction = EEM_Transaction::instance()->get_one_by_ID($TXN_ID);
-        $query_args = isset($this->_req_data['redirect_to']) ? array(
-            'action' => $this->_req_data['redirect_to'],
-            'TXN_ID' => $this->_req_data['TXN_ID'],
-        ) : array();
-        do_action(
-            'AHEE__Transactions_Admin_Page___send_payment_reminder__process_admin_payment_reminder',
-            $transaction
-        );
-        $this->_redirect_after_action(
-            false,
-            esc_html__('payment reminder', 'event_espresso'),
-            esc_html__('sent', 'event_espresso'),
-            $query_args,
-            true
-        );
-    }
-
-
-    /**
-     *  get_transactions
-     *    get transactions for given parameters (used by list table)
-     *
-     * @param  int     $perpage how many transactions displayed per page
-     * @param  boolean $count   return the count or objects
-     * @param string   $view
-     * @return mixed int = count || array of transaction objects
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function get_transactions($perpage, $count = false, $view = '')
-    {
-
-        $TXN = EEM_Transaction::instance();
-
-        $start_date = isset($this->_req_data['txn-filter-start-date'])
-            ? wp_strip_all_tags($this->_req_data['txn-filter-start-date'])
-            : date(
-                'm/d/Y',
-                strtotime('-10 year')
-            );
-        $end_date = isset($this->_req_data['txn-filter-end-date'])
-            ? wp_strip_all_tags($this->_req_data['txn-filter-end-date'])
-            : date('m/d/Y');
-
-        // make sure our timestamps start and end right at the boundaries for each day
-        $start_date = date('Y-m-d', strtotime($start_date)) . ' 00:00:00';
-        $end_date = date('Y-m-d', strtotime($end_date)) . ' 23:59:59';
-
-
-        // convert to timestamps
-        $start_date = strtotime($start_date);
-        $end_date = strtotime($end_date);
-
-        // makes sure start date is the lowest value and vice versa
-        $start_date = min($start_date, $end_date);
-        $end_date = max($start_date, $end_date);
-
-        // convert to correct format for query
-        $start_date = EEM_Transaction::instance()->convert_datetime_for_query(
-            'TXN_timestamp',
-            date('Y-m-d H:i:s', $start_date),
-            'Y-m-d H:i:s'
-        );
-        $end_date = EEM_Transaction::instance()->convert_datetime_for_query(
-            'TXN_timestamp',
-            date('Y-m-d H:i:s', $end_date),
-            'Y-m-d H:i:s'
-        );
-
-
-        // set orderby
-        $this->_req_data['orderby'] = ! empty($this->_req_data['orderby']) ? $this->_req_data['orderby'] : '';
-
-        switch ($this->_req_data['orderby']) {
-            case 'TXN_ID':
-                $orderby = 'TXN_ID';
-                break;
-            case 'ATT_fname':
-                $orderby = 'Registration.Attendee.ATT_fname';
-                break;
-            case 'event_name':
-                $orderby = 'Registration.Event.EVT_name';
-                break;
-            default: // 'TXN_timestamp'
-                $orderby = 'TXN_timestamp';
-        }
-
-        $sort = ! empty($this->_req_data['order']) ? $this->_req_data['order'] : 'DESC';
-        $current_page = ! empty($this->_req_data['paged']) ? $this->_req_data['paged'] : 1;
-        $per_page = ! empty($perpage) ? $perpage : 10;
-        $per_page = ! empty($this->_req_data['perpage']) ? $this->_req_data['perpage'] : $per_page;
-
-        $offset = ($current_page - 1) * $per_page;
-        $limit = array($offset, $per_page);
-
-        $_where = array(
-            'TXN_timestamp'          => array('BETWEEN', array($start_date, $end_date)),
-            'Registration.REG_count' => 1,
-        );
-
-        if (isset($this->_req_data['EVT_ID'])) {
-            $_where['Registration.EVT_ID'] = $this->_req_data['EVT_ID'];
-        }
-
-        if (isset($this->_req_data['s'])) {
-            $search_string = '%' . $this->_req_data['s'] . '%';
-            $_where['OR'] = array(
-                'Registration.Event.EVT_name'         => array('LIKE', $search_string),
-                'Registration.Event.EVT_desc'         => array('LIKE', $search_string),
-                'Registration.Event.EVT_short_desc'   => array('LIKE', $search_string),
-                'Registration.Attendee.ATT_full_name' => array('LIKE', $search_string),
-                'Registration.Attendee.ATT_fname'     => array('LIKE', $search_string),
-                'Registration.Attendee.ATT_lname'     => array('LIKE', $search_string),
-                'Registration.Attendee.ATT_short_bio' => array('LIKE', $search_string),
-                'Registration.Attendee.ATT_email'     => array('LIKE', $search_string),
-                'Registration.Attendee.ATT_address'   => array('LIKE', $search_string),
-                'Registration.Attendee.ATT_address2'  => array('LIKE', $search_string),
-                'Registration.Attendee.ATT_city'      => array('LIKE', $search_string),
-                'Registration.REG_final_price'        => array('LIKE', $search_string),
-                'Registration.REG_code'               => array('LIKE', $search_string),
-                'Registration.REG_count'              => array('LIKE', $search_string),
-                'Registration.REG_group_size'         => array('LIKE', $search_string),
-                'Registration.Ticket.TKT_name'        => array('LIKE', $search_string),
-                'Registration.Ticket.TKT_description' => array('LIKE', $search_string),
-                'Payment.PAY_source'                  => array('LIKE', $search_string),
-                'Payment.Payment_Method.PMD_name'     => array('LIKE', $search_string),
-                'TXN_session_data'                    => array('LIKE', $search_string),
-                'Payment.PAY_txn_id_chq_nmbr'         => array('LIKE', $search_string),
-            );
-        }
-
-        // failed transactions
-        $failed = (! empty($this->_req_data['status']) && $this->_req_data['status'] === 'failed' && ! $count)
-                  || ($count && $view === 'failed');
-        $abandoned = (! empty($this->_req_data['status']) && $this->_req_data['status'] === 'abandoned' && ! $count)
-                     || ($count && $view === 'abandoned');
-        $incomplete = (! empty($this->_req_data['status']) && $this->_req_data['status'] === 'incomplete' && ! $count)
-                      || ($count && $view === 'incomplete');
-
-        if ($failed) {
-            $_where['STS_ID'] = EEM_Transaction::failed_status_code;
-        } elseif ($abandoned) {
-            $_where['STS_ID'] = EEM_Transaction::abandoned_status_code;
-        } elseif ($incomplete) {
-            $_where['STS_ID'] = EEM_Transaction::incomplete_status_code;
-        } else {
-            $_where['STS_ID'] = array('!=', EEM_Transaction::failed_status_code);
-            $_where['STS_ID*'] = array('!=', EEM_Transaction::abandoned_status_code);
-        }
-
-        $query_params = apply_filters(
-            'FHEE__Transactions_Admin_Page___get_transactions_query_params',
-            array(
-                $_where,
-                'order_by'                 => array($orderby => $sort),
-                'limit'                    => $limit,
-                'default_where_conditions' => EEM_Base::default_where_conditions_this_only,
-            ),
-            $this->_req_data,
-            $view,
-            $count
-        );
-
-        $transactions = $count
-            ? $TXN->count(array($query_params[0]), 'TXN_ID', true)
-            : $TXN->get_all($query_params);
-
-        return $transactions;
-    }
-
-
-    /**
-     * @since 4.9.79.p
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     */
-    public function recalculateLineItems()
-    {
-        $TXN_ID = ! empty($this->_req_data['TXN_ID']) ? absint($this->_req_data['TXN_ID']) : false;
-        /** @var EE_Transaction $transaction */
-        $transaction = EEM_Transaction::instance()->get_one_by_ID($TXN_ID);
-        $total_line_item = $transaction->total_line_item(false);
-        $success = $transaction->recalculateLineItems();
-        $this->_redirect_after_action(
-            (bool) $success,
-            esc_html__('Transaction taxes and totals', 'event_espresso'),
-            esc_html__('recalculated', 'event_espresso'),
-            isset($this->_req_data['redirect_to'])
-                ? array(
-                'action' => $this->_req_data['redirect_to'],
-                'TXN_ID' => $this->_req_data['TXN_ID'],
-            )
-                : array(),
-            true
-        );
-    }
+	/**
+	 * @var EE_Transaction
+	 */
+	private $_transaction;
+
+	/**
+	 * @var EE_Session
+	 */
+	private $_session;
+
+	/**
+	 * @var array $_txn_status
+	 */
+	private static $_txn_status;
+
+	/**
+	 * @var array $_pay_status
+	 */
+	private static $_pay_status;
+
+	/**
+	 * @var array $_existing_reg_payment_REG_IDs
+	 */
+	protected $_existing_reg_payment_REG_IDs;
+
+
+	/**
+	 *    _init_page_props
+	 *
+	 * @return void
+	 */
+	protected function _init_page_props()
+	{
+		$this->page_slug = TXN_PG_SLUG;
+		$this->page_label = esc_html__('Transactions', 'event_espresso');
+		$this->_admin_base_url = TXN_ADMIN_URL;
+		$this->_admin_base_path = TXN_ADMIN;
+	}
+
+
+	/**
+	 *    _ajax_hooks
+	 *
+	 * @return void
+	 */
+	protected function _ajax_hooks()
+	{
+		add_action('wp_ajax_espresso_apply_payment', array($this, 'apply_payments_or_refunds'));
+		add_action('wp_ajax_espresso_apply_refund', array($this, 'apply_payments_or_refunds'));
+		add_action('wp_ajax_espresso_delete_payment', array($this, 'delete_payment'));
+	}
+
+
+	/**
+	 *    _define_page_props
+	 *
+	 * @return void
+	 */
+	protected function _define_page_props()
+	{
+		$this->_admin_page_title = $this->page_label;
+		$this->_labels = array(
+			'buttons' => array(
+				'add'    => esc_html__('Add New Transaction', 'event_espresso'),
+				'edit'   => esc_html__('Edit Transaction', 'event_espresso'),
+				'delete' => esc_html__('Delete Transaction', 'event_espresso'),
+			),
+		);
+	}
+
+
+	/**
+	 *        grab url requests and route them
+	 *
+	 * @access private
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function _set_page_routes()
+	{
+
+		$this->_set_transaction_status_array();
+
+		$txn_id = ! empty($this->_req_data['TXN_ID'])
+				  && ! is_array($this->_req_data['TXN_ID'])
+			? $this->_req_data['TXN_ID']
+			: 0;
+
+		$this->_page_routes = array(
+
+			'default' => array(
+				'func'       => '_transactions_overview_list_table',
+				'capability' => 'ee_read_transactions',
+			),
+
+			'view_transaction' => array(
+				'func'       => '_transaction_details',
+				'capability' => 'ee_read_transaction',
+				'obj_id'     => $txn_id,
+			),
+
+			'send_payment_reminder' => array(
+				'func'       => '_send_payment_reminder',
+				'noheader'   => true,
+				'capability' => 'ee_send_message',
+			),
+
+			'espresso_apply_payment' => array(
+				'func'       => 'apply_payments_or_refunds',
+				'noheader'   => true,
+				'capability' => 'ee_edit_payments',
+			),
+
+			'espresso_apply_refund' => array(
+				'func'       => 'apply_payments_or_refunds',
+				'noheader'   => true,
+				'capability' => 'ee_edit_payments',
+			),
+
+			'espresso_delete_payment' => array(
+				'func'       => 'delete_payment',
+				'noheader'   => true,
+				'capability' => 'ee_delete_payments',
+			),
+
+			'espresso_recalculate_line_items' => array(
+				'func'       => 'recalculateLineItems',
+				'noheader'   => true,
+				'capability' => 'ee_edit_payments',
+			),
+
+		);
+	}
+
+
+	protected function _set_page_config()
+	{
+		$this->_page_config = array(
+			'default'          => array(
+				'nav'           => array(
+					'label' => esc_html__('Overview', 'event_espresso'),
+					'order' => 10,
+				),
+				'list_table'    => 'EE_Admin_Transactions_List_Table',
+				'help_tabs'     => array(
+					'transactions_overview_help_tab'                       => array(
+						'title'    => esc_html__('Transactions Overview', 'event_espresso'),
+						'filename' => 'transactions_overview',
+					),
+					'transactions_overview_table_column_headings_help_tab' => array(
+						'title'    => esc_html__('Transactions Table Column Headings', 'event_espresso'),
+						'filename' => 'transactions_overview_table_column_headings',
+					),
+					'transactions_overview_views_filters_help_tab'         => array(
+						'title'    => esc_html__('Transaction Views & Filters & Search', 'event_espresso'),
+						'filename' => 'transactions_overview_views_filters_search',
+					),
+				),
+				'help_tour'     => array('Transactions_Overview_Help_Tour'),
+				/**
+				 * commented out because currently we are not displaying tips for transaction list table status but this
+				 * may change in a later iteration so want to keep the code for then.
+				 */
+				// 'qtips' => array( 'Transactions_List_Table_Tips' ),
+				'require_nonce' => false,
+			),
+			'view_transaction' => array(
+				'nav'       => array(
+					'label'      => esc_html__('View Transaction', 'event_espresso'),
+					'order'      => 5,
+					'url'        => isset($this->_req_data['TXN_ID'])
+						? add_query_arg(array('TXN_ID' => $this->_req_data['TXN_ID']), $this->_current_page_view_url)
+						: $this->_admin_base_url,
+					'persistent' => false,
+				),
+				'help_tabs' => array(
+					'transactions_view_transaction_help_tab'                                              => array(
+						'title'    => esc_html__('View Transaction', 'event_espresso'),
+						'filename' => 'transactions_view_transaction',
+					),
+					'transactions_view_transaction_transaction_details_table_help_tab'                    => array(
+						'title'    => esc_html__('Transaction Details Table', 'event_espresso'),
+						'filename' => 'transactions_view_transaction_transaction_details_table',
+					),
+					'transactions_view_transaction_attendees_registered_help_tab'                         => array(
+						'title'    => esc_html__('Attendees Registered', 'event_espresso'),
+						'filename' => 'transactions_view_transaction_attendees_registered',
+					),
+					'transactions_view_transaction_views_primary_registrant_billing_information_help_tab' => array(
+						'title'    => esc_html__('Primary Registrant & Billing Information', 'event_espresso'),
+						'filename' => 'transactions_view_transaction_primary_registrant_billing_information',
+					),
+				),
+				'qtips'     => array('Transaction_Details_Tips'),
+				'help_tour' => array('Transaction_Details_Help_Tour'),
+				'metaboxes' => array('_transaction_details_metaboxes'),
+
+				'require_nonce' => false,
+			),
+		);
+	}
+
+
+	/**
+	 * The below methods aren't used by this class currently
+	 */
+	protected function _add_screen_options()
+	{
+		// noop
+	}
+
+
+	protected function _add_feature_pointers()
+	{
+		// noop
+	}
+
+
+	public function admin_init()
+	{
+		// IF a registration was JUST added via the admin...
+		if (isset(
+			$this->_req_data['redirect_from'],
+			$this->_req_data['EVT_ID'],
+			$this->_req_data['event_name']
+		)) {
+			// then set a cookie so that we can block any attempts to use
+			// the back button as a way to enter another registration.
+			setcookie(
+				'ee_registration_added',
+				$this->_req_data['EVT_ID'],
+				time() + WEEK_IN_SECONDS,
+				'/'
+			);
+			// and update the global
+			$_COOKIE['ee_registration_added'] = $this->_req_data['EVT_ID'];
+		}
+		EE_Registry::$i18n_js_strings['invalid_server_response'] = esc_html__(
+			'An error occurred! Your request may have been processed, but a valid response from the server was not received. Please refresh the page and try again.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['error_occurred'] = esc_html__(
+			'An error occurred! Please refresh the page and try again.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['txn_status_array'] = self::$_txn_status;
+		EE_Registry::$i18n_js_strings['pay_status_array'] = self::$_pay_status;
+		EE_Registry::$i18n_js_strings['payments_total'] = esc_html__('Payments Total', 'event_espresso');
+		EE_Registry::$i18n_js_strings['transaction_overpaid'] = esc_html__(
+			'This transaction has been overpaid ! Payments Total',
+			'event_espresso'
+		);
+	}
+
+
+	public function admin_notices()
+	{
+		// noop
+	}
+
+
+	public function admin_footer_scripts()
+	{
+		// noop
+	}
+
+
+	/**
+	 * _set_transaction_status_array
+	 * sets list of transaction statuses
+	 *
+	 * @access private
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	private function _set_transaction_status_array()
+	{
+		self::$_txn_status = EEM_Transaction::instance()->status_array(true);
+	}
+
+
+	/**
+	 * get_transaction_status_array
+	 * return the transaction status array for wp_list_table
+	 *
+	 * @access public
+	 * @return array
+	 */
+	public function get_transaction_status_array()
+	{
+		return self::$_txn_status;
+	}
+
+
+	/**
+	 *    get list of payment statuses
+	 *
+	 * @access private
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	private function _get_payment_status_array()
+	{
+		self::$_pay_status = EEM_Payment::instance()->status_array(true);
+		$this->_template_args['payment_status'] = self::$_pay_status;
+	}
+
+
+	/**
+	 *    _add_screen_options_default
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _add_screen_options_default()
+	{
+		$this->_per_page_screen_option();
+	}
+
+
+	/**
+	 * load_scripts_styles
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function load_scripts_styles()
+	{
+		// enqueue style
+		wp_register_style(
+			'espresso_txn',
+			TXN_ASSETS_URL . 'espresso_transactions_admin.css',
+			array(),
+			EVENT_ESPRESSO_VERSION
+		);
+		wp_enqueue_style('espresso_txn');
+		// scripts
+		wp_register_script(
+			'espresso_txn',
+			TXN_ASSETS_URL . 'espresso_transactions_admin.js',
+			array(
+				'ee_admin_js',
+				'ee-datepicker',
+				'jquery-ui-datepicker',
+				'jquery-ui-draggable',
+				'ee-dialog',
+				'ee-accounting',
+				'ee-serialize-full-array',
+			),
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		wp_enqueue_script('espresso_txn');
+	}
+
+
+	/**
+	 *    load_scripts_styles_view_transaction
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function load_scripts_styles_view_transaction()
+	{
+		// styles
+		wp_enqueue_style('espresso-ui-theme');
+	}
+
+
+	/**
+	 *    load_scripts_styles_default
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function load_scripts_styles_default()
+	{
+		// styles
+		wp_enqueue_style('espresso-ui-theme');
+	}
+
+
+	/**
+	 *    _set_list_table_views_default
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _set_list_table_views_default()
+	{
+		$this->_views = array(
+			'all'        => array(
+				'slug'  => 'all',
+				'label' => esc_html__('View All Transactions', 'event_espresso'),
+				'count' => 0,
+			),
+			'abandoned'  => array(
+				'slug'  => 'abandoned',
+				'label' => esc_html__('Abandoned Transactions', 'event_espresso'),
+				'count' => 0,
+			),
+			'incomplete' => array(
+				'slug'  => 'incomplete',
+				'label' => esc_html__('Incomplete Transactions', 'event_espresso'),
+				'count' => 0,
+			),
+		);
+		if (/**
+		 * Filters whether a link to the "Failed Transactions" list table
+		 * appears on the Transactions Admin Page list table.
+		 * List display can be turned back on via the following:
+		 * add_filter(
+		 *     'FHEE__Transactions_Admin_Page___set_list_table_views_default__display_failed_txns_list',
+		 *     '__return_true'
+		 * );
+		 *
+		 * @since 4.9.70.p
+		 * @param boolean                 $display_failed_txns_list
+		 * @param Transactions_Admin_Page $this
+		 */
+		apply_filters(
+			'FHEE__Transactions_Admin_Page___set_list_table_views_default__display_failed_txns_list',
+			false,
+			$this
+		)
+		) {
+			$this->_views['failed'] = array(
+				'slug'  => 'failed',
+				'label' => esc_html__('Failed Transactions', 'event_espresso'),
+				'count' => 0,
+			);
+		}
+	}
+
+
+	/**
+	 * _set_transaction_object
+	 * This sets the _transaction property for the transaction details screen
+	 *
+	 * @access private
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws RuntimeException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	private function _set_transaction_object()
+	{
+		if ($this->_transaction instanceof EE_Transaction) {
+			return;
+		} //get out we've already set the object
+
+		$TXN_ID = ! empty($this->_req_data['TXN_ID'])
+			? absint($this->_req_data['TXN_ID'])
+			: false;
+
+		// get transaction object
+		$this->_transaction = EEM_Transaction::instance()->get_one_by_ID($TXN_ID);
+		$this->_session = $this->_transaction instanceof EE_Transaction
+			? $this->_transaction->session_data()
+			: null;
+		if ($this->_transaction instanceof EE_Transaction) {
+			$this->_transaction->verify_abandoned_transaction_status();
+		}
+
+		if (! $this->_transaction instanceof EE_Transaction) {
+			$error_msg = sprintf(
+				esc_html__(
+					'An error occurred and the details for the transaction with the ID # %d could not be retrieved.',
+					'event_espresso'
+				),
+				$TXN_ID
+			);
+			EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
+		}
+	}
+
+
+	/**
+	 *    _transaction_legend_items
+	 *
+	 * @access protected
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _transaction_legend_items()
+	{
+		EE_Registry::instance()->load_helper('MSG_Template');
+		$items = array();
+
+		if (EE_Registry::instance()->CAP->current_user_can(
+			'ee_read_global_messages',
+			'view_filtered_messages'
+		)) {
+			$related_for_icon = EEH_MSG_Template::get_message_action_icon('see_notifications_for');
+			if (is_array($related_for_icon)
+				&& isset($related_for_icon['css_class'], $related_for_icon['label'])
+			) {
+				$items['view_related_messages'] = array(
+					'class' => $related_for_icon['css_class'],
+					'desc'  => $related_for_icon['label'],
+				);
+			}
+		}
+
+		$items = apply_filters(
+			'FHEE__Transactions_Admin_Page___transaction_legend_items__items',
+			array_merge(
+				$items,
+				array(
+					'view_details'          => array(
+						'class' => 'dashicons dashicons-cart',
+						'desc'  => esc_html__('View Transaction Details', 'event_espresso'),
+					),
+					'view_invoice'          => array(
+						'class' => 'dashicons dashicons-media-spreadsheet',
+						'desc'  => esc_html__('View Transaction Invoice', 'event_espresso'),
+					),
+					'view_receipt'          => array(
+						'class' => 'dashicons dashicons-media-default',
+						'desc'  => esc_html__('View Transaction Receipt', 'event_espresso'),
+					),
+					'view_registration'     => array(
+						'class' => 'dashicons dashicons-clipboard',
+						'desc'  => esc_html__('View Registration Details', 'event_espresso'),
+					),
+					'payment_overview_link' => array(
+						'class' => 'dashicons dashicons-money',
+						'desc'  => esc_html__('Make Payment on Frontend', 'event_espresso'),
+					),
+				)
+			)
+		);
+
+		if (EEH_MSG_Template::is_mt_active('payment_reminder')
+			&& EE_Registry::instance()->CAP->current_user_can(
+				'ee_send_message',
+				'espresso_transactions_send_payment_reminder'
+			)
+		) {
+			$items['send_payment_reminder'] = array(
+				'class' => 'dashicons dashicons-email-alt',
+				'desc'  => esc_html__('Send Payment Reminder', 'event_espresso'),
+			);
+		} else {
+			$items['blank*'] = array(
+				'class' => '',
+				'desc'  => '',
+			);
+		}
+		$more_items = apply_filters(
+			'FHEE__Transactions_Admin_Page___transaction_legend_items__more_items',
+			array(
+				'overpaid'   => array(
+					'class' => 'ee-status-legend ee-status-legend-' . EEM_Transaction::overpaid_status_code,
+					'desc'  => EEH_Template::pretty_status(
+						EEM_Transaction::overpaid_status_code,
+						false,
+						'sentence'
+					),
+				),
+				'complete'   => array(
+					'class' => 'ee-status-legend ee-status-legend-' . EEM_Transaction::complete_status_code,
+					'desc'  => EEH_Template::pretty_status(
+						EEM_Transaction::complete_status_code,
+						false,
+						'sentence'
+					),
+				),
+				'incomplete' => array(
+					'class' => 'ee-status-legend ee-status-legend-' . EEM_Transaction::incomplete_status_code,
+					'desc'  => EEH_Template::pretty_status(
+						EEM_Transaction::incomplete_status_code,
+						false,
+						'sentence'
+					),
+				),
+				'abandoned'  => array(
+					'class' => 'ee-status-legend ee-status-legend-' . EEM_Transaction::abandoned_status_code,
+					'desc'  => EEH_Template::pretty_status(
+						EEM_Transaction::abandoned_status_code,
+						false,
+						'sentence'
+					),
+				),
+				'failed'     => array(
+					'class' => 'ee-status-legend ee-status-legend-' . EEM_Transaction::failed_status_code,
+					'desc'  => EEH_Template::pretty_status(
+						EEM_Transaction::failed_status_code,
+						false,
+						'sentence'
+					),
+				),
+			)
+		);
+
+		return array_merge($items, $more_items);
+	}
+
+
+	/**
+	 *    _transactions_overview_list_table
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected function _transactions_overview_list_table()
+	{
+		$this->_admin_page_title = esc_html__('Transactions', 'event_espresso');
+		$event = isset($this->_req_data['EVT_ID'])
+			? EEM_Event::instance()->get_one_by_ID($this->_req_data['EVT_ID'])
+			: null;
+		$this->_template_args['admin_page_header'] = $event instanceof EE_Event
+			? sprintf(
+				esc_html__(
+					'%sViewing Transactions for the Event: %s%s',
+					'event_espresso'
+				),
+				'<h3>',
+				'<a href="'
+				. EE_Admin_Page::add_query_args_and_nonce(
+					array('action' => 'edit', 'post' => $event->ID()),
+					EVENTS_ADMIN_URL
+				)
+				. '" title="'
+				. esc_attr__(
+					'Click to Edit event',
+					'event_espresso'
+				)
+				. '">' . $event->name() . '</a>',
+				'</h3>'
+			)
+			: '';
+		$this->_template_args['after_list_table'] = $this->_display_legend($this->_transaction_legend_items());
+		$this->display_admin_list_table_page_with_no_sidebar();
+	}
+
+
+	/**
+	 *    _transaction_details
+	 * generates HTML for the View Transaction Details Admin page
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws RuntimeException
+	 * @throws ReflectionException
+	 */
+	protected function _transaction_details()
+	{
+		do_action('AHEE__Transactions_Admin_Page__transaction_details__start', $this->_transaction);
+
+		$this->_set_transaction_status_array();
+
+		$this->_template_args = array();
+		$this->_template_args['transactions_page'] = $this->_wp_page_slug;
+
+		$this->_set_transaction_object();
+
+		if (! $this->_transaction instanceof EE_Transaction) {
+			return;
+		}
+		$primary_registration = $this->_transaction->primary_registration();
+		$attendee = $primary_registration instanceof EE_Registration
+			? $primary_registration->attendee()
+			: null;
+
+		$this->_template_args['txn_nmbr']['value'] = $this->_transaction->ID();
+		$this->_template_args['txn_nmbr']['label'] = esc_html__('Transaction Number', 'event_espresso');
+
+		$this->_template_args['txn_datetime']['value'] = $this->_transaction->get_i18n_datetime('TXN_timestamp');
+		$this->_template_args['txn_datetime']['label'] = esc_html__('Date', 'event_espresso');
+
+		$this->_template_args['txn_status']['value'] = self::$_txn_status[ $this->_transaction->status_ID() ];
+		$this->_template_args['txn_status']['label'] = esc_html__('Transaction Status', 'event_espresso');
+		$this->_template_args['txn_status']['class'] = 'status-' . $this->_transaction->status_ID();
+
+		$this->_template_args['grand_total'] = $this->_transaction->total();
+		$this->_template_args['total_paid'] = $this->_transaction->paid();
+
+		$amount_due = $this->_transaction->total() - $this->_transaction->paid();
+		$this->_template_args['amount_due'] = EEH_Template::format_currency(
+			$amount_due,
+			true
+		);
+		if (EE_Registry::instance()->CFG->currency->sign_b4) {
+			$this->_template_args['amount_due'] = EE_Registry::instance()->CFG->currency->sign
+												  . $this->_template_args['amount_due'];
+		} else {
+			$this->_template_args['amount_due'] .= EE_Registry::instance()->CFG->currency->sign;
+		}
+		$this->_template_args['amount_due_class'] = '';
+
+		if ($this->_transaction->paid() === $this->_transaction->total()) {
+			// paid in full
+			$this->_template_args['amount_due'] = false;
+		} elseif ($this->_transaction->paid() > $this->_transaction->total()) {
+			// overpaid
+			$this->_template_args['amount_due_class'] = 'txn-overview-no-payment-spn';
+		} elseif ($this->_transaction->total() > (float) 0) {
+			if ($this->_transaction->paid() > (float) 0) {
+				// monies owing
+				$this->_template_args['amount_due_class'] = 'txn-overview-part-payment-spn';
+			} elseif ($this->_transaction->paid() === (float) 0) {
+				// no payments made yet
+				$this->_template_args['amount_due_class'] = 'txn-overview-no-payment-spn';
+			}
+		} elseif ($this->_transaction->total() === (float) 0) {
+			// free event
+			$this->_template_args['amount_due'] = false;
+		}
+
+		$payment_method = $this->_transaction->payment_method();
+
+		$this->_template_args['method_of_payment_name'] = $payment_method instanceof EE_Payment_Method
+			? $payment_method->admin_name()
+			: esc_html__('Unknown', 'event_espresso');
+
+		$this->_template_args['currency_sign'] = EE_Registry::instance()->CFG->currency->sign;
+		// link back to overview
+		$this->_template_args['txn_overview_url'] = ! empty($_SERVER['HTTP_REFERER'])
+			? $_SERVER['HTTP_REFERER']
+			: TXN_ADMIN_URL;
+
+
+		// next link
+		$next_txn = $this->_transaction->next(
+			null,
+			array(array('STS_ID' => array('!=', EEM_Transaction::failed_status_code))),
+			'TXN_ID'
+		);
+		$this->_template_args['next_transaction'] = $next_txn
+			? $this->_next_link(
+				EE_Admin_Page::add_query_args_and_nonce(
+					array('action' => 'view_transaction', 'TXN_ID' => $next_txn['TXN_ID']),
+					TXN_ADMIN_URL
+				),
+				'dashicons dashicons-arrow-right ee-icon-size-22'
+			)
+			: '';
+		// previous link
+		$previous_txn = $this->_transaction->previous(
+			null,
+			array(array('STS_ID' => array('!=', EEM_Transaction::failed_status_code))),
+			'TXN_ID'
+		);
+		$this->_template_args['previous_transaction'] = $previous_txn
+			? $this->_previous_link(
+				EE_Admin_Page::add_query_args_and_nonce(
+					array('action' => 'view_transaction', 'TXN_ID' => $previous_txn['TXN_ID']),
+					TXN_ADMIN_URL
+				),
+				'dashicons dashicons-arrow-left ee-icon-size-22'
+			)
+			: '';
+
+		// were we just redirected here after adding a new registration ???
+		if (isset(
+			$this->_req_data['redirect_from'],
+			$this->_req_data['EVT_ID'],
+			$this->_req_data['event_name']
+		)) {
+			if (EE_Registry::instance()->CAP->current_user_can(
+				'ee_edit_registrations',
+				'espresso_registrations_new_registration',
+				$this->_req_data['EVT_ID']
+			)) {
+				$this->_admin_page_title .= '<a id="add-new-registration" class="add-new-h2 button-primary" href="';
+				$this->_admin_page_title .= EE_Admin_Page::add_query_args_and_nonce(
+					array(
+						'page'     => 'espresso_registrations',
+						'action'   => 'new_registration',
+						'return'   => 'default',
+						'TXN_ID'   => $this->_transaction->ID(),
+						'event_id' => $this->_req_data['EVT_ID'],
+					),
+					REG_ADMIN_URL
+				);
+				$this->_admin_page_title .= '">';
+
+				$this->_admin_page_title .= sprintf(
+					esc_html__('Add Another New Registration to Event: "%1$s" ?', 'event_espresso'),
+					htmlentities(urldecode($this->_req_data['event_name']), ENT_QUOTES, 'UTF-8')
+				);
+				$this->_admin_page_title .= '</a>';
+			}
+			EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
+		}
+		// grab messages at the last second
+		$this->_template_args['notices'] = EE_Error::get_notices();
+		// path to template
+		$template_path = TXN_TEMPLATE_PATH . 'txn_admin_details_header.template.php';
+		$this->_template_args['admin_page_header'] = EEH_Template::display_template(
+			$template_path,
+			$this->_template_args,
+			true
+		);
+
+		// the details template wrapper
+		$this->display_admin_page_with_sidebar();
+	}
+
+
+	/**
+	 *        _transaction_details_metaboxes
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws RuntimeException
+	 * @throws ReflectionException
+	 */
+	protected function _transaction_details_metaboxes()
+	{
+
+		$this->_set_transaction_object();
+
+		if (! $this->_transaction instanceof EE_Transaction) {
+			return;
+		}
+		add_meta_box(
+			'edit-txn-details-mbox',
+			esc_html__('Transaction Details', 'event_espresso'),
+			array($this, 'txn_details_meta_box'),
+			$this->_wp_page_slug,
+			'normal',
+			'high'
+		);
+		add_meta_box(
+			'edit-txn-attendees-mbox',
+			esc_html__('Attendees Registered in this Transaction', 'event_espresso'),
+			array($this, 'txn_attendees_meta_box'),
+			$this->_wp_page_slug,
+			'normal',
+			'high',
+			array('TXN_ID' => $this->_transaction->ID())
+		);
+		add_meta_box(
+			'edit-txn-registrant-mbox',
+			esc_html__('Primary Contact', 'event_espresso'),
+			array($this, 'txn_registrant_side_meta_box'),
+			$this->_wp_page_slug,
+			'side',
+			'high'
+		);
+		add_meta_box(
+			'edit-txn-billing-info-mbox',
+			esc_html__('Billing Information', 'event_espresso'),
+			array($this, 'txn_billing_info_side_meta_box'),
+			$this->_wp_page_slug,
+			'side',
+			'high'
+		);
+	}
+
+
+	/**
+	 * Callback for transaction actions metabox.
+	 *
+	 * @param EE_Transaction|null $transaction
+	 * @return string
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 */
+	public function getActionButtons(EE_Transaction $transaction = null)
+	{
+		$content = '';
+		$actions = array();
+		if (! $transaction instanceof EE_Transaction) {
+			return $content;
+		}
+		/** @var EE_Registration $primary_registration */
+		$primary_registration = $transaction->primary_registration();
+		$attendee = $primary_registration instanceof EE_Registration
+			? $primary_registration->attendee()
+			: null;
+
+		if ($attendee instanceof EE_Attendee
+			&& EE_Registry::instance()->CAP->current_user_can(
+				'ee_send_message',
+				'espresso_transactions_send_payment_reminder'
+			)
+		) {
+			$actions['payment_reminder'] =
+				EEH_MSG_Template::is_mt_active('payment_reminder')
+				&& $this->_transaction->status_ID() !== EEM_Transaction::complete_status_code
+				&& $this->_transaction->status_ID() !== EEM_Transaction::overpaid_status_code
+					? EEH_Template::get_button_or_link(
+						EE_Admin_Page::add_query_args_and_nonce(
+							array(
+								'action'      => 'send_payment_reminder',
+								'TXN_ID'      => $this->_transaction->ID(),
+								'redirect_to' => 'view_transaction',
+							),
+							TXN_ADMIN_URL
+						),
+						esc_html__(' Send Payment Reminder', 'event_espresso'),
+						'button secondary-button',
+						'dashicons dashicons-email-alt'
+					)
+					: '';
+		}
+
+		if (EE_Registry::instance()->CAP->current_user_can(
+			'ee_edit_payments',
+			'espresso_transactions_recalculate_line_items'
+		)
+		) {
+			$actions['recalculate_line_items'] = EEH_Template::get_button_or_link(
+				EE_Admin_Page::add_query_args_and_nonce(
+					array(
+						'action'      => 'espresso_recalculate_line_items',
+						'TXN_ID'      => $this->_transaction->ID(),
+						'redirect_to' => 'view_transaction',
+					),
+					TXN_ADMIN_URL
+				),
+				esc_html__(' Recalculate Taxes and Total', 'event_espresso'),
+				'button secondary-button',
+				'dashicons dashicons-update'
+			);
+		}
+
+		if ($primary_registration instanceof EE_Registration
+			&& EEH_MSG_Template::is_mt_active('receipt')
+		) {
+			$actions['receipt'] = EEH_Template::get_button_or_link(
+				$primary_registration->receipt_url(),
+				esc_html__('View Receipt', 'event_espresso'),
+				'button secondary-button',
+				'dashicons dashicons-media-default'
+			);
+		}
+
+		if ($primary_registration instanceof EE_Registration
+			&& EEH_MSG_Template::is_mt_active('invoice')
+		) {
+			$actions['invoice'] = EEH_Template::get_button_or_link(
+				$primary_registration->invoice_url(),
+				esc_html__('View Invoice', 'event_espresso'),
+				'button secondary-button',
+				'dashicons dashicons-media-spreadsheet'
+			);
+		}
+		$actions = array_filter(
+			apply_filters('FHEE__Transactions_Admin_Page__getActionButtons__actions', $actions, $transaction)
+		);
+		if ($actions) {
+			$content = '<ul>';
+			$content .= '<li>' . implode('</li><li>', $actions) . '</li>';
+			$content .= '</uL>';
+		}
+		return $content;
+	}
+
+
+	/**
+	 * txn_details_meta_box
+	 * generates HTML for the Transaction main meta box
+	 *
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws RuntimeException
+	 * @throws ReflectionException
+	 */
+	public function txn_details_meta_box()
+	{
+		$this->_set_transaction_object();
+		$this->_template_args['TXN_ID'] = $this->_transaction->ID();
+		$this->_template_args['attendee'] = $this->_transaction->primary_registration() instanceof EE_Registration
+			? $this->_transaction->primary_registration()->attendee()
+			: null;
+		$this->_template_args['can_edit_payments'] = EE_Registry::instance()->CAP->current_user_can(
+			'ee_edit_payments',
+			'apply_payment_or_refund_from_registration_details'
+		);
+		$this->_template_args['can_delete_payments'] = EE_Registry::instance()->CAP->current_user_can(
+			'ee_delete_payments',
+			'delete_payment_from_registration_details'
+		);
+
+		// get line table
+		EEH_Autoloader::register_line_item_display_autoloaders();
+		$Line_Item_Display = new EE_Line_Item_Display(
+			'admin_table',
+			'EE_Admin_Table_Line_Item_Display_Strategy'
+		);
+		$this->_template_args['line_item_table'] = $Line_Item_Display->display_line_item(
+			$this->_transaction->total_line_item()
+		);
+		$this->_template_args['REG_code'] = $this->_transaction->primary_registration()->reg_code();
+
+		// process taxes
+		$taxes = $this->_transaction->line_items(array(array('LIN_type' => EEM_Line_Item::type_tax)));
+		$this->_template_args['taxes'] = ! empty($taxes) ? $taxes : false;
+
+		$this->_template_args['grand_total'] = EEH_Template::format_currency(
+			$this->_transaction->total(),
+			false,
+			false
+		);
+		$this->_template_args['grand_raw_total'] = $this->_transaction->total();
+		$this->_template_args['TXN_status'] = $this->_transaction->status_ID();
+
+		// process payment details
+		$payments = $this->_transaction->payments();
+		if (! empty($payments)) {
+			$this->_template_args['payments'] = $payments;
+			$this->_template_args['existing_reg_payments'] = $this->_get_registration_payment_IDs($payments);
+		} else {
+			$this->_template_args['payments'] = false;
+			$this->_template_args['existing_reg_payments'] = array();
+		}
+
+		$this->_template_args['edit_payment_url'] = add_query_arg(array('action' => 'edit_payment'), TXN_ADMIN_URL);
+		$this->_template_args['delete_payment_url'] = add_query_arg(
+			array('action' => 'espresso_delete_payment'),
+			TXN_ADMIN_URL
+		);
+
+		if (isset($txn_details['invoice_number'])) {
+			$this->_template_args['txn_details']['invoice_number']['value'] = $this->_template_args['REG_code'];
+			$this->_template_args['txn_details']['invoice_number']['label'] = esc_html__(
+				'Invoice Number',
+				'event_espresso'
+			);
+		}
+
+		$this->_template_args['txn_details']['registration_session']['value'] = $this->_transaction
+			->primary_registration()
+			->session_ID();
+		$this->_template_args['txn_details']['registration_session']['label'] = esc_html__(
+			'Registration Session',
+			'event_espresso'
+		);
+
+		$this->_template_args['txn_details']['ip_address']['value'] = isset($this->_session['ip_address'])
+			? $this->_session['ip_address']
+			: '';
+		$this->_template_args['txn_details']['ip_address']['label'] = esc_html__(
+			'Transaction placed from IP',
+			'event_espresso'
+		);
+
+		$this->_template_args['txn_details']['user_agent']['value'] = isset($this->_session['user_agent'])
+			? $this->_session['user_agent']
+			: '';
+		$this->_template_args['txn_details']['user_agent']['label'] = esc_html__(
+			'Registrant User Agent',
+			'event_espresso'
+		);
+
+		$reg_steps = '<ul>';
+		foreach ($this->_transaction->reg_steps() as $reg_step => $reg_step_status) {
+			if ($reg_step_status === true) {
+				$reg_steps .= '<li style="color:#70cc50">'
+							  . sprintf(
+								  esc_html__('%1$s : Completed', 'event_espresso'),
+								  ucwords(str_replace('_', ' ', $reg_step))
+							  )
+							  . '</li>';
+			} elseif (is_numeric($reg_step_status) && $reg_step_status !== false) {
+				$reg_steps .= '<li style="color:#2EA2CC">'
+							  . sprintf(
+								  esc_html__('%1$s : Initiated %2$s', 'event_espresso'),
+								  ucwords(str_replace('_', ' ', $reg_step)),
+								  date(
+									  get_option('date_format') . ' ' . get_option('time_format'),
+									  $reg_step_status + (get_option('gmt_offset') * HOUR_IN_SECONDS)
+								  )
+							  )
+							  . '</li>';
+			} else {
+				$reg_steps .= '<li style="color:#E76700">'
+							  . sprintf(
+								  esc_html__('%1$s : Never Initiated', 'event_espresso'),
+								  ucwords(str_replace('_', ' ', $reg_step))
+							  )
+							  . '</li>';
+			}
+		}
+		$reg_steps .= '</ul>';
+		$this->_template_args['txn_details']['reg_steps']['value'] = $reg_steps;
+		$this->_template_args['txn_details']['reg_steps']['label'] = esc_html__(
+			'Registration Step Progress',
+			'event_espresso'
+		);
+
+
+		$this->_get_registrations_to_apply_payment_to();
+		$this->_get_payment_methods($payments);
+		$this->_get_payment_status_array();
+		$this->_get_reg_status_selection(); // sets up the template args for the reg status array for the transaction.
+
+		$this->_template_args['transaction_form_url'] = add_query_arg(
+			array(
+				'action'  => 'edit_transaction',
+				'process' => 'transaction',
+			),
+			TXN_ADMIN_URL
+		);
+		$this->_template_args['apply_payment_form_url'] = add_query_arg(
+			array(
+				'page'   => 'espresso_transactions',
+				'action' => 'espresso_apply_payment',
+			),
+			WP_AJAX_URL
+		);
+		$this->_template_args['delete_payment_form_url'] = add_query_arg(
+			array(
+				'page'   => 'espresso_transactions',
+				'action' => 'espresso_delete_payment',
+			),
+			WP_AJAX_URL
+		);
+
+		$this->_template_args['action_buttons'] = $this->getActionButtons($this->_transaction);
+
+		// 'espresso_delete_payment_nonce'
+
+		$template_path = TXN_TEMPLATE_PATH . 'txn_admin_details_main_meta_box_txn_details.template.php';
+		echo EEH_Template::display_template($template_path, $this->_template_args, true);
+	}
+
+
+	/**
+	 * _get_registration_payment_IDs
+	 *    generates an array of Payment IDs and their corresponding Registration IDs
+	 *
+	 * @access protected
+	 * @param EE_Payment[] $payments
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected function _get_registration_payment_IDs($payments = array())
+	{
+		$existing_reg_payments = array();
+		// get all reg payments for these payments
+		$reg_payments = EEM_Registration_Payment::instance()->get_all(
+			array(
+				array(
+					'PAY_ID' => array(
+						'IN',
+						array_keys($payments),
+					),
+				),
+			)
+		);
+		if (! empty($reg_payments)) {
+			foreach ($payments as $payment) {
+				if (! $payment instanceof EE_Payment) {
+					continue;
+				} elseif (! isset($existing_reg_payments[ $payment->ID() ])) {
+					$existing_reg_payments[ $payment->ID() ] = array();
+				}
+				foreach ($reg_payments as $reg_payment) {
+					if ($reg_payment instanceof EE_Registration_Payment
+						&& $reg_payment->payment_ID() === $payment->ID()
+					) {
+						$existing_reg_payments[ $payment->ID() ][] = $reg_payment->registration_ID();
+					}
+				}
+			}
+		}
+
+		return $existing_reg_payments;
+	}
+
+
+	/**
+	 * _get_registrations_to_apply_payment_to
+	 *    generates HTML for displaying a series of checkboxes in the admin payment modal window
+	 * which allows the admin to only apply the payment to the specific registrations
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected function _get_registrations_to_apply_payment_to()
+	{
+		// we want any registration with an active status (ie: not deleted or cancelled)
+		$query_params = array(
+			array(
+				'STS_ID' => array(
+					'IN',
+					array(
+						EEM_Registration::status_id_approved,
+						EEM_Registration::status_id_pending_payment,
+						EEM_Registration::status_id_not_approved,
+					),
+				),
+			),
+		);
+		$registrations_to_apply_payment_to = EEH_HTML::br() . EEH_HTML::div(
+			'',
+			'txn-admin-apply-payment-to-registrations-dv',
+			'',
+			'clear: both; margin: 1.5em 0 0; display: none;'
+		);
+		$registrations_to_apply_payment_to .= EEH_HTML::br() . EEH_HTML::div('', '', 'admin-primary-mbox-tbl-wrap');
+		$registrations_to_apply_payment_to .= EEH_HTML::table('', '', 'admin-primary-mbox-tbl');
+		$registrations_to_apply_payment_to .= EEH_HTML::thead(
+			EEH_HTML::tr(
+				EEH_HTML::th(esc_html__('ID', 'event_espresso')) .
+				EEH_HTML::th(esc_html__('Registrant', 'event_espresso')) .
+				EEH_HTML::th(esc_html__('Ticket', 'event_espresso')) .
+				EEH_HTML::th(esc_html__('Event', 'event_espresso')) .
+				EEH_HTML::th(esc_html__('Paid', 'event_espresso'), '', 'txn-admin-payment-paid-td jst-cntr') .
+				EEH_HTML::th(esc_html__('Owing', 'event_espresso'), '', 'txn-admin-payment-owing-td jst-cntr') .
+				EEH_HTML::th(esc_html__('Apply', 'event_espresso'), '', 'jst-cntr')
+			)
+		);
+		$registrations_to_apply_payment_to .= EEH_HTML::tbody();
+		// get registrations for TXN
+		$registrations = $this->_transaction->registrations($query_params);
+		$existing_reg_payments = $this->_template_args['existing_reg_payments'];
+		foreach ($registrations as $registration) {
+			if ($registration instanceof EE_Registration) {
+				$attendee_name = $registration->attendee() instanceof EE_Attendee
+					? $registration->attendee()->full_name()
+					: esc_html__('Unknown Attendee', 'event_espresso');
+				$owing = $registration->final_price() - $registration->paid();
+				$taxable = $registration->ticket()->taxable()
+					? ' <span class="smaller-text lt-grey-text"> ' . esc_html__('+ tax', 'event_espresso') . '</span>'
+					: '';
+				$checked = empty($existing_reg_payments)
+						   || in_array($registration->ID(), $existing_reg_payments, true)
+					? ' checked="checked"'
+					: '';
+				$disabled = $registration->final_price() > 0 ? '' : ' disabled';
+				$registrations_to_apply_payment_to .= EEH_HTML::tr(
+					EEH_HTML::td($registration->ID()) .
+					EEH_HTML::td($attendee_name) .
+					EEH_HTML::td(
+						$registration->ticket()->name() . ' : ' . $registration->ticket()->pretty_price() . $taxable
+					) .
+					EEH_HTML::td($registration->event_name()) .
+					EEH_HTML::td($registration->pretty_paid(), '', 'txn-admin-payment-paid-td jst-cntr') .
+					EEH_HTML::td(
+						EEH_Template::format_currency($owing),
+						'',
+						'txn-admin-payment-owing-td jst-cntr'
+					) .
+					EEH_HTML::td(
+						'<input type="checkbox" value="' . $registration->ID()
+						. '" name="txn_admin_payment[registrations]"'
+						. $checked . $disabled . '>',
+						'',
+						'jst-cntr'
+					),
+					'apply-payment-registration-row-' . $registration->ID()
+				);
+			}
+		}
+		$registrations_to_apply_payment_to .= EEH_HTML::tbodyx();
+		$registrations_to_apply_payment_to .= EEH_HTML::tablex();
+		$registrations_to_apply_payment_to .= EEH_HTML::divx();
+		$registrations_to_apply_payment_to .= EEH_HTML::p(
+			esc_html__(
+				'The payment will only be applied to the registrations that have a check mark in their corresponding check box. Checkboxes for free registrations have been disabled.',
+				'event_espresso'
+			),
+			'',
+			'clear description'
+		);
+		$registrations_to_apply_payment_to .= EEH_HTML::divx();
+		$this->_template_args['registrations_to_apply_payment_to'] = $registrations_to_apply_payment_to;
+	}
+
+
+	/**
+	 * _get_reg_status_selection
+	 *
+	 * @todo   this will need to be adjusted either once MER comes along OR we move default reg status to tickets
+	 *         instead of events.
+	 * @access protected
+	 * @return void
+	 * @throws EE_Error
+	 */
+	protected function _get_reg_status_selection()
+	{
+		// first get all possible statuses
+		$statuses = EEM_Registration::reg_status_array(array(), true);
+		// let's add a "don't change" option.
+		$status_array['NAN'] = esc_html__('Leave the Same', 'event_espresso');
+		$status_array = array_merge($status_array, $statuses);
+		$this->_template_args['status_change_select'] = EEH_Form_Fields::select_input(
+			'txn_reg_status_change[reg_status]',
+			$status_array,
+			'NAN',
+			'id="txn-admin-payment-reg-status-inp"',
+			'txn-reg-status-change-reg-status'
+		);
+		$this->_template_args['delete_status_change_select'] = EEH_Form_Fields::select_input(
+			'delete_txn_reg_status_change[reg_status]',
+			$status_array,
+			'NAN',
+			'delete-txn-admin-payment-reg-status-inp',
+			'delete-txn-reg-status-change-reg-status'
+		);
+	}
+
+
+	/**
+	 *    _get_payment_methods
+	 * Gets all the payment methods available generally, or the ones that are already
+	 * selected on these payments (in case their payment methods are no longer active).
+	 * Has the side-effect of updating the template args' payment_methods item
+	 *
+	 * @access private
+	 * @param EE_Payment[] to show on this page
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	private function _get_payment_methods($payments = array())
+	{
+		$payment_methods_of_payments = array();
+		foreach ($payments as $payment) {
+			if ($payment instanceof EE_Payment) {
+				$payment_methods_of_payments[] = $payment->ID();
+			}
+		}
+		if ($payment_methods_of_payments) {
+			$query_args = array(
+				array(
+					'OR*payment_method_for_payment' => array(
+						'PMD_ID'    => array('IN', $payment_methods_of_payments),
+						'PMD_scope' => array('LIKE', '%' . EEM_Payment_Method::scope_admin . '%'),
+					),
+				),
+			);
+		} else {
+			$query_args = array(array('PMD_scope' => array('LIKE', '%' . EEM_Payment_Method::scope_admin . '%')));
+		}
+		$this->_template_args['payment_methods'] = EEM_Payment_Method::instance()->get_all($query_args);
+	}
+
+
+	/**
+	 * txn_attendees_meta_box
+	 *    generates HTML for the Attendees Transaction main meta box
+	 *
+	 * @access public
+	 * @param WP_Post $post
+	 * @param array   $metabox
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function txn_attendees_meta_box($post, $metabox = array('args' => array()))
+	{
+
+		/** @noinspection NonSecureExtractUsageInspection */
+		extract($metabox['args']);
+		$this->_template_args['post'] = $post;
+		$this->_template_args['event_attendees'] = array();
+		// process items in cart
+		$line_items = $this->_transaction->get_many_related(
+			'Line_Item',
+			array(array('LIN_type' => 'line-item'))
+		);
+		if (! empty($line_items)) {
+			foreach ($line_items as $item) {
+				if ($item instanceof EE_Line_Item) {
+					switch ($item->OBJ_type()) {
+						case 'Event':
+							break;
+						case 'Ticket':
+							$ticket = $item->ticket();
+							// right now we're only handling tickets here.
+							// Cause its expected that only tickets will have attendees right?
+							if (! $ticket instanceof EE_Ticket) {
+								break;
+							}
+							try {
+								$event_name = $ticket->get_event_name();
+							} catch (Exception $e) {
+								EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
+								$event_name = esc_html__('Unknown Event', 'event_espresso');
+							}
+							$event_name .= ' - ' . $item->name();
+							$ticket_price = EEH_Template::format_currency($item->unit_price());
+							// now get all of the registrations for this transaction that use this ticket
+							$registrations = $ticket->registrations(
+								array(array('TXN_ID' => $this->_transaction->ID()))
+							);
+							foreach ($registrations as $registration) {
+								if (! $registration instanceof EE_Registration) {
+									break;
+								}
+								$this->_template_args['event_attendees'][ $registration->ID() ]['STS_ID']
+									= $registration->status_ID();
+								$this->_template_args['event_attendees'][ $registration->ID() ]['att_num']
+									= $registration->count();
+								$this->_template_args['event_attendees'][ $registration->ID() ]['event_ticket_name']
+									= $event_name;
+								$this->_template_args['event_attendees'][ $registration->ID() ]['ticket_price']
+									= $ticket_price;
+								// attendee info
+								$attendee = $registration->get_first_related('Attendee');
+								if ($attendee instanceof EE_Attendee) {
+									$this->_template_args['event_attendees'][ $registration->ID() ]['att_id']
+										= $attendee->ID();
+									$this->_template_args['event_attendees'][ $registration->ID() ]['attendee']
+										= $attendee->full_name();
+									$this->_template_args['event_attendees'][ $registration->ID() ]['email']
+										= '<a href="mailto:' . $attendee->email() . '?subject=' . $event_name
+										  . esc_html__(
+											  ' Event',
+											  'event_espresso'
+										  )
+										  . '">' . $attendee->email() . '</a>';
+									$this->_template_args['event_attendees'][ $registration->ID() ]['address']
+										= EEH_Address::format($attendee, 'inline', false, false);
+								} else {
+									$this->_template_args['event_attendees'][ $registration->ID() ]['att_id'] = '';
+									$this->_template_args['event_attendees'][ $registration->ID() ]['attendee'] = '';
+									$this->_template_args['event_attendees'][ $registration->ID() ]['email'] = '';
+									$this->_template_args['event_attendees'][ $registration->ID() ]['address'] = '';
+								}
+							}
+							break;
+					}
+				}
+			}
+
+			$this->_template_args['transaction_form_url'] = add_query_arg(
+				array(
+					'action'  => 'edit_transaction',
+					'process' => 'attendees',
+				),
+				TXN_ADMIN_URL
+			);
+			echo EEH_Template::display_template(
+				TXN_TEMPLATE_PATH . 'txn_admin_details_main_meta_box_attendees.template.php',
+				$this->_template_args,
+				true
+			);
+		} else {
+			echo sprintf(
+				esc_html__(
+					'%1$sFor some reason, there are no attendees registered for this transaction. Likely the registration was abandoned in process.%2$s',
+					'event_espresso'
+				),
+				'<p class="important-notice">',
+				'</p>'
+			);
+		}
+	}
+
+
+	/**
+	 * txn_registrant_side_meta_box
+	 * generates HTML for the Edit Transaction side meta box
+	 *
+	 * @access public
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public function txn_registrant_side_meta_box()
+	{
+		$primary_att = $this->_transaction->primary_registration() instanceof EE_Registration
+			? $this->_transaction->primary_registration()->get_first_related('Attendee')
+			: null;
+		if (! $primary_att instanceof EE_Attendee) {
+			$this->_template_args['no_attendee_message'] = esc_html__(
+				'There is no attached contact for this transaction.  The transaction either failed due to an error or was abandoned.',
+				'event_espresso'
+			);
+			$primary_att = EEM_Attendee::instance()->create_default_object();
+		}
+		$this->_template_args['ATT_ID'] = $primary_att->ID();
+		$this->_template_args['prime_reg_fname'] = $primary_att->fname();
+		$this->_template_args['prime_reg_lname'] = $primary_att->lname();
+		$this->_template_args['prime_reg_email'] = $primary_att->email();
+		$this->_template_args['prime_reg_phone'] = $primary_att->phone();
+		$this->_template_args['edit_attendee_url'] = EE_Admin_Page::add_query_args_and_nonce(
+			array(
+				'action' => 'edit_attendee',
+				'post'   => $primary_att->ID(),
+			),
+			REG_ADMIN_URL
+		);
+		// get formatted address for registrant
+		$this->_template_args['formatted_address'] = EEH_Address::format($primary_att);
+		echo EEH_Template::display_template(
+			TXN_TEMPLATE_PATH . 'txn_admin_details_side_meta_box_registrant.template.php',
+			$this->_template_args,
+			true
+		);
+	}
+
+
+	/**
+	 * txn_billing_info_side_meta_box
+	 *    generates HTML for the Edit Transaction side meta box
+	 *
+	 * @access public
+	 * @return void
+	 * @throws DomainException
+	 * @throws EE_Error
+	 */
+	public function txn_billing_info_side_meta_box()
+	{
+
+		$this->_template_args['billing_form'] = $this->_transaction->billing_info();
+		$this->_template_args['billing_form_url'] = add_query_arg(
+			array('action' => 'edit_transaction', 'process' => 'billing'),
+			TXN_ADMIN_URL
+		);
+
+		$template_path = TXN_TEMPLATE_PATH . 'txn_admin_details_side_meta_box_billing_info.template.php';
+		echo EEH_Template::display_template($template_path, $this->_template_args, true);
+	}
+
+
+	/**
+	 * apply_payments_or_refunds
+	 *    registers a payment or refund made towards a transaction
+	 *
+	 * @access public
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function apply_payments_or_refunds()
+	{
+		$json_response_data = array('return_data' => false);
+		$valid_data = $this->_validate_payment_request_data();
+		$has_access = EE_Registry::instance()->CAP->current_user_can(
+			'ee_edit_payments',
+			'apply_payment_or_refund_from_registration_details'
+		);
+		if (! empty($valid_data) && $has_access) {
+			$PAY_ID = $valid_data['PAY_ID'];
+			// save  the new payment
+			$payment = $this->_create_payment_from_request_data($valid_data);
+			// get the TXN for this payment
+			$transaction = $payment->transaction();
+			// verify transaction
+			if ($transaction instanceof EE_Transaction) {
+				// calculate_total_payments_and_update_status
+				$this->_process_transaction_payments($transaction);
+				$REG_IDs = $this->_get_REG_IDs_to_apply_payment_to($payment);
+				$this->_remove_existing_registration_payments($payment, $PAY_ID);
+				// apply payment to registrations (if applicable)
+				if (! empty($REG_IDs)) {
+					$this->_update_registration_payments($transaction, $payment, $REG_IDs);
+					$this->_maybe_send_notifications();
+					// now process status changes for the same registrations
+					$this->_process_registration_status_change($transaction, $REG_IDs);
+				}
+				$this->_maybe_send_notifications($payment);
+				// prepare to render page
+				$json_response_data['return_data'] = $this->_build_payment_json_response($payment, $REG_IDs);
+				do_action(
+					'AHEE__Transactions_Admin_Page__apply_payments_or_refund__after_recording',
+					$transaction,
+					$payment
+				);
+			} else {
+				EE_Error::add_error(
+					esc_html__(
+						'A valid Transaction for this payment could not be retrieved.',
+						'event_espresso'
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+			}
+		} elseif ($has_access) {
+			EE_Error::add_error(
+				esc_html__(
+					'The payment form data could not be processed. Please try again.',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		} else {
+			EE_Error::add_error(
+				esc_html__(
+					'You do not have access to apply payments or refunds to a registration.',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+		$notices = EE_Error::get_notices(
+			false,
+			false,
+			false
+		);
+		$this->_template_args = array(
+			'data'    => $json_response_data,
+			'error'   => $notices['errors'],
+			'success' => $notices['success'],
+		);
+		$this->_return_json();
+	}
+
+
+	/**
+	 * _validate_payment_request_data
+	 *
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _validate_payment_request_data()
+	{
+		if (! isset($this->_req_data['txn_admin_payment'])) {
+			return array();
+		}
+		$payment_form = $this->_generate_payment_form_section();
+		try {
+			if ($payment_form->was_submitted()) {
+				$payment_form->receive_form_submission();
+				if (! $payment_form->is_valid()) {
+					$submission_error_messages = array();
+					foreach ($payment_form->get_validation_errors_accumulated() as $validation_error) {
+						if ($validation_error instanceof EE_Validation_Error) {
+							$submission_error_messages[] = sprintf(
+								_x('%s : %s', 'Form Section Name : Form Validation Error', 'event_espresso'),
+								$validation_error->get_form_section()->html_label_text(),
+								$validation_error->getMessage()
+							);
+						}
+					}
+					EE_Error::add_error(
+						implode('<br />', $submission_error_messages),
+						__FILE__,
+						__FUNCTION__,
+						__LINE__
+					);
+					return array();
+				}
+			}
+		} catch (EE_Error $e) {
+			EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
+			return array();
+		}
+
+		return $payment_form->valid_data();
+	}
+
+
+	/**
+	 * _generate_payment_form_section
+	 *
+	 * @return EE_Form_Section_Proper
+	 * @throws EE_Error
+	 */
+	protected function _generate_payment_form_section()
+	{
+		return new EE_Form_Section_Proper(
+			array(
+				'name'        => 'txn_admin_payment',
+				'subsections' => array(
+					'PAY_ID'          => new EE_Text_Input(
+						array(
+							'default'               => 0,
+							'required'              => false,
+							'html_label_text'       => esc_html__('Payment ID', 'event_espresso'),
+							'validation_strategies' => array(new EE_Int_Normalization()),
+						)
+					),
+					'TXN_ID'          => new EE_Text_Input(
+						array(
+							'default'               => 0,
+							'required'              => true,
+							'html_label_text'       => esc_html__('Transaction ID', 'event_espresso'),
+							'validation_strategies' => array(new EE_Int_Normalization()),
+						)
+					),
+					'type'            => new EE_Text_Input(
+						array(
+							'default'               => 1,
+							'required'              => true,
+							'html_label_text'       => esc_html__('Payment or Refund', 'event_espresso'),
+							'validation_strategies' => array(new EE_Int_Normalization()),
+						)
+					),
+					'amount'          => new EE_Text_Input(
+						array(
+							'default'               => 0,
+							'required'              => true,
+							'html_label_text'       => esc_html__('Payment amount', 'event_espresso'),
+							'validation_strategies' => array(new EE_Float_Normalization()),
+						)
+					),
+					'status'          => new EE_Text_Input(
+						array(
+							'default'         => EEM_Payment::status_id_approved,
+							'required'        => true,
+							'html_label_text' => esc_html__('Payment status', 'event_espresso'),
+						)
+					),
+					'PMD_ID'          => new EE_Text_Input(
+						array(
+							'default'               => 2,
+							'required'              => true,
+							'html_label_text'       => esc_html__('Payment Method', 'event_espresso'),
+							'validation_strategies' => array(new EE_Int_Normalization()),
+						)
+					),
+					'date'            => new EE_Text_Input(
+						array(
+							'default'         => time(),
+							'required'        => true,
+							'html_label_text' => esc_html__('Payment date', 'event_espresso'),
+						)
+					),
+					'txn_id_chq_nmbr' => new EE_Text_Input(
+						array(
+							'default'               => '',
+							'required'              => false,
+							'html_label_text'       => esc_html__('Transaction or Cheque Number', 'event_espresso'),
+							'validation_strategies' => array(
+								new EE_Max_Length_Validation_Strategy(
+									esc_html__('Input too long', 'event_espresso'),
+									100
+								),
+							),
+						)
+					),
+					'po_number'       => new EE_Text_Input(
+						array(
+							'default'               => '',
+							'required'              => false,
+							'html_label_text'       => esc_html__('Purchase Order Number', 'event_espresso'),
+							'validation_strategies' => array(
+								new EE_Max_Length_Validation_Strategy(
+									esc_html__('Input too long', 'event_espresso'),
+									100
+								),
+							),
+						)
+					),
+					'accounting'      => new EE_Text_Input(
+						array(
+							'default'               => '',
+							'required'              => false,
+							'html_label_text'       => esc_html__('Extra Field for Accounting', 'event_espresso'),
+							'validation_strategies' => array(
+								new EE_Max_Length_Validation_Strategy(
+									esc_html__('Input too long', 'event_espresso'),
+									100
+								),
+							),
+						)
+					),
+				),
+			)
+		);
+	}
+
+
+	/**
+	 * _create_payment_from_request_data
+	 *
+	 * @param array $valid_data
+	 * @return EE_Payment
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected function _create_payment_from_request_data($valid_data)
+	{
+		$PAY_ID = $valid_data['PAY_ID'];
+		// get payment amount
+		$amount = $valid_data['amount'] ? abs($valid_data['amount']) : 0;
+		// payments have a type value of 1 and refunds have a type value of -1
+		// so multiplying amount by type will give a positive value for payments, and negative values for refunds
+		$amount = $valid_data['type'] < 0 ? $amount * -1 : $amount;
+		// for some reason the date string coming in has extra spaces between the date and time.  This fixes that.
+		$date = $valid_data['date']
+			? preg_replace('/\s+/', ' ', $valid_data['date'])
+			: date('Y-m-d g:i a', current_time('timestamp'));
+		$payment = EE_Payment::new_instance(
+			array(
+				'TXN_ID'              => $valid_data['TXN_ID'],
+				'STS_ID'              => $valid_data['status'],
+				'PAY_timestamp'       => $date,
+				'PAY_source'          => EEM_Payment_Method::scope_admin,
+				'PMD_ID'              => $valid_data['PMD_ID'],
+				'PAY_amount'          => $amount,
+				'PAY_txn_id_chq_nmbr' => $valid_data['txn_id_chq_nmbr'],
+				'PAY_po_number'       => $valid_data['po_number'],
+				'PAY_extra_accntng'   => $valid_data['accounting'],
+				'PAY_details'         => $valid_data,
+				'PAY_ID'              => $PAY_ID,
+			),
+			'',
+			array('Y-m-d', 'g:i a')
+		);
+
+		if (! $payment->save()) {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__('Payment %1$d has not been successfully saved to the database.', 'event_espresso'),
+					$payment->ID()
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+
+		return $payment;
+	}
+
+
+	/**
+	 * _process_transaction_payments
+	 *
+	 * @param \EE_Transaction $transaction
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _process_transaction_payments(EE_Transaction $transaction)
+	{
+		/** @type EE_Transaction_Payments $transaction_payments */
+		$transaction_payments = EE_Registry::instance()->load_class('Transaction_Payments');
+		// update the transaction with this payment
+		if ($transaction_payments->calculate_total_payments_and_update_status($transaction)) {
+			EE_Error::add_success(
+				esc_html__(
+					'The payment has been processed successfully.',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		} else {
+			EE_Error::add_error(
+				esc_html__(
+					'The payment was processed successfully but the amount paid for the transaction was not updated.',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+	}
+
+
+	/**
+	 * _get_REG_IDs_to_apply_payment_to
+	 * returns a list of registration IDs that the payment will apply to
+	 *
+	 * @param \EE_Payment $payment
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected function _get_REG_IDs_to_apply_payment_to(EE_Payment $payment)
+	{
+		$REG_IDs = array();
+		// grab array of IDs for specific registrations to apply changes to
+		if (isset($this->_req_data['txn_admin_payment']['registrations'])) {
+			$REG_IDs = (array) $this->_req_data['txn_admin_payment']['registrations'];
+		}
+		// nothing specified ? then get all reg IDs
+		if (empty($REG_IDs)) {
+			$registrations = $payment->transaction()->registrations();
+			$REG_IDs = ! empty($registrations)
+				? array_keys($registrations)
+				: $this->_get_existing_reg_payment_REG_IDs($payment);
+		}
+
+		// ensure that REG_IDs are integers and NOT strings
+		return array_map('intval', $REG_IDs);
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function existing_reg_payment_REG_IDs()
+	{
+		return $this->_existing_reg_payment_REG_IDs;
+	}
+
+
+	/**
+	 * @param array $existing_reg_payment_REG_IDs
+	 */
+	public function set_existing_reg_payment_REG_IDs($existing_reg_payment_REG_IDs = null)
+	{
+		$this->_existing_reg_payment_REG_IDs = $existing_reg_payment_REG_IDs;
+	}
+
+
+	/**
+	 * _get_existing_reg_payment_REG_IDs
+	 * returns a list of registration IDs that the payment is currently related to
+	 * as recorded in the database
+	 *
+	 * @param \EE_Payment $payment
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected function _get_existing_reg_payment_REG_IDs(EE_Payment $payment)
+	{
+		if ($this->existing_reg_payment_REG_IDs() === null) {
+			// let's get any existing reg payment records for this payment
+			$existing_reg_payment_REG_IDs = $payment->get_many_related('Registration');
+			// but we only want the REG IDs, so grab the array keys
+			$existing_reg_payment_REG_IDs = ! empty($existing_reg_payment_REG_IDs)
+				? array_keys($existing_reg_payment_REG_IDs)
+				: array();
+			$this->set_existing_reg_payment_REG_IDs($existing_reg_payment_REG_IDs);
+		}
+
+		return $this->existing_reg_payment_REG_IDs();
+	}
+
+
+	/**
+	 * _remove_existing_registration_payments
+	 * this calculates the difference between existing relations
+	 * to the supplied payment and the new list registration IDs,
+	 * removes any related registrations that no longer apply,
+	 * and then updates the registration paid fields
+	 *
+	 * @param \EE_Payment $payment
+	 * @param int         $PAY_ID
+	 * @return bool;
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _remove_existing_registration_payments(EE_Payment $payment, $PAY_ID = 0)
+	{
+		// newly created payments will have nothing recorded for $PAY_ID
+		if (absint($PAY_ID) === 0) {
+			return false;
+		}
+		$existing_reg_payment_REG_IDs = $this->_get_existing_reg_payment_REG_IDs($payment);
+		if (empty($existing_reg_payment_REG_IDs)) {
+			return false;
+		}
+		/** @type EE_Transaction_Payments $transaction_payments */
+		$transaction_payments = EE_Registry::instance()->load_class('Transaction_Payments');
+
+		return $transaction_payments->delete_registration_payments_and_update_registrations(
+			$payment,
+			array(
+				array(
+					'PAY_ID' => $payment->ID(),
+					'REG_ID' => array('IN', $existing_reg_payment_REG_IDs),
+				),
+			)
+		);
+	}
+
+
+	/**
+	 * _update_registration_payments
+	 * this applies the payments to the selected registrations
+	 * but only if they have not already been paid for
+	 *
+	 * @param  EE_Transaction $transaction
+	 * @param \EE_Payment     $payment
+	 * @param array           $REG_IDs
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _update_registration_payments(
+		EE_Transaction $transaction,
+		EE_Payment $payment,
+		$REG_IDs = array()
+	) {
+		// we can pass our own custom set of registrations to EE_Payment_Processor::process_registration_payments()
+		// so let's do that using our set of REG_IDs from the form
+		$registration_query_where_params = array(
+			'REG_ID' => array('IN', $REG_IDs),
+		);
+		// but add in some conditions regarding payment,
+		// so that we don't apply payments to registrations that are free or have already been paid for
+		// but ONLY if the payment is NOT a refund ( ie: the payment amount is not negative )
+		if (! $payment->is_a_refund()) {
+			$registration_query_where_params['REG_final_price'] = array('!=', 0);
+			$registration_query_where_params['REG_final_price*'] = array('!=', 'REG_paid', true);
+		}
+		$registrations = $transaction->registrations(array($registration_query_where_params));
+		if (! empty($registrations)) {
+			/** @type EE_Payment_Processor $payment_processor */
+			$payment_processor = EE_Registry::instance()->load_core('Payment_Processor');
+			$payment_processor->process_registration_payments($transaction, $payment, $registrations);
+		}
+	}
+
+
+	/**
+	 * _process_registration_status_change
+	 * This processes requested registration status changes for all the registrations
+	 * on a given transaction and (optionally) sends out notifications for the changes.
+	 *
+	 * @param  EE_Transaction $transaction
+	 * @param array           $REG_IDs
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _process_registration_status_change(EE_Transaction $transaction, $REG_IDs = array())
+	{
+		// first if there is no change in status then we get out.
+		if (! isset($this->_req_data['txn_reg_status_change']['reg_status'])
+			|| $this->_req_data['txn_reg_status_change']['reg_status'] === 'NAN'
+		) {
+			// no error message, no change requested, just nothing to do man.
+			return false;
+		}
+		/** @type EE_Transaction_Processor $transaction_processor */
+		$transaction_processor = EE_Registry::instance()->load_class('Transaction_Processor');
+
+		// made it here dude?  Oh WOW.  K, let's take care of changing the statuses
+		return $transaction_processor->manually_update_registration_statuses(
+			$transaction,
+			sanitize_text_field($this->_req_data['txn_reg_status_change']['reg_status']),
+			array(array('REG_ID' => array('IN', $REG_IDs)))
+		);
+	}
+
+
+	/**
+	 * _build_payment_json_response
+	 *
+	 * @access public
+	 * @param \EE_Payment $payment
+	 * @param array       $REG_IDs
+	 * @param bool | null $delete_txn_reg_status_change
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected function _build_payment_json_response(
+		EE_Payment $payment,
+		$REG_IDs = array(),
+		$delete_txn_reg_status_change = null
+	) {
+		// was the payment deleted ?
+		if (is_bool($delete_txn_reg_status_change)) {
+			return array(
+				'PAY_ID'                       => $payment->ID(),
+				'amount'                       => $payment->amount(),
+				'total_paid'                   => $payment->transaction()->paid(),
+				'txn_status'                   => $payment->transaction()->status_ID(),
+				'pay_status'                   => $payment->STS_ID(),
+				'registrations'                => $this->_registration_payment_data_array($REG_IDs),
+				'delete_txn_reg_status_change' => $delete_txn_reg_status_change,
+			);
+		} else {
+			$this->_get_payment_status_array();
+
+			return array(
+				'amount'           => $payment->amount(),
+				'total_paid'       => $payment->transaction()->paid(),
+				'txn_status'       => $payment->transaction()->status_ID(),
+				'pay_status'       => $payment->STS_ID(),
+				'PAY_ID'           => $payment->ID(),
+				'STS_ID'           => $payment->STS_ID(),
+				'status'           => self::$_pay_status[ $payment->STS_ID() ],
+				'date'             => $payment->timestamp('Y-m-d', 'h:i a'),
+				'method'           => strtoupper($payment->source()),
+				'PM_ID'            => $payment->payment_method() ? $payment->payment_method()->ID() : 1,
+				'gateway'          => $payment->payment_method()
+					? $payment->payment_method()->admin_name()
+					: esc_html__('Unknown', 'event_espresso'),
+				'gateway_response' => $payment->gateway_response(),
+				'txn_id_chq_nmbr'  => $payment->txn_id_chq_nmbr(),
+				'po_number'        => $payment->po_number(),
+				'extra_accntng'    => $payment->extra_accntng(),
+				'registrations'    => $this->_registration_payment_data_array($REG_IDs),
+			);
+		}
+	}
+
+
+	/**
+	 * delete_payment
+	 *    delete a payment or refund made towards a transaction
+	 *
+	 * @access public
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function delete_payment()
+	{
+		$json_response_data = array('return_data' => false);
+		$PAY_ID = isset($this->_req_data['delete_txn_admin_payment']['PAY_ID'])
+			? absint($this->_req_data['delete_txn_admin_payment']['PAY_ID'])
+			: 0;
+		$can_delete = EE_Registry::instance()->CAP->current_user_can(
+			'ee_delete_payments',
+			'delete_payment_from_registration_details'
+		);
+		if ($PAY_ID && $can_delete) {
+			$delete_txn_reg_status_change = isset($this->_req_data['delete_txn_reg_status_change'])
+				? $this->_req_data['delete_txn_reg_status_change']
+				: false;
+			$payment = EEM_Payment::instance()->get_one_by_ID($PAY_ID);
+			if ($payment instanceof EE_Payment) {
+				$REG_IDs = $this->_get_existing_reg_payment_REG_IDs($payment);
+				/** @type EE_Transaction_Payments $transaction_payments */
+				$transaction_payments = EE_Registry::instance()->load_class('Transaction_Payments');
+				if ($transaction_payments->delete_payment_and_update_transaction($payment)) {
+					$json_response_data['return_data'] = $this->_build_payment_json_response(
+						$payment,
+						$REG_IDs,
+						$delete_txn_reg_status_change
+					);
+					if ($delete_txn_reg_status_change) {
+						$this->_req_data['txn_reg_status_change'] = $delete_txn_reg_status_change;
+						// MAKE sure we also add the delete_txn_req_status_change to the
+						// $_REQUEST global because that's how messages will be looking for it.
+						$_REQUEST['txn_reg_status_change'] = $delete_txn_reg_status_change;
+						$this->_maybe_send_notifications();
+						$this->_process_registration_status_change($payment->transaction(), $REG_IDs);
+					}
+				}
+			} else {
+				EE_Error::add_error(
+					esc_html__('Valid Payment data could not be retrieved from the database.', 'event_espresso'),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+			}
+		} elseif ($can_delete) {
+			EE_Error::add_error(
+				esc_html__(
+					'A valid Payment ID was not received, therefore payment form data could not be loaded.',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		} else {
+			EE_Error::add_error(
+				esc_html__(
+					'You do not have access to delete a payment.',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+		$notices = EE_Error::get_notices(false, false, false);
+		$this->_template_args = array(
+			'data'      => $json_response_data,
+			'success'   => $notices['success'],
+			'error'     => $notices['errors'],
+			'attention' => $notices['attention'],
+		);
+		$this->_return_json();
+	}
+
+
+	/**
+	 * _registration_payment_data_array
+	 * adds info for 'owing' and 'paid' for each registration to the json response
+	 *
+	 * @access protected
+	 * @param array $REG_IDs
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected function _registration_payment_data_array($REG_IDs)
+	{
+		$registration_payment_data = array();
+		// if non empty reg_ids lets get an array of registrations and update the values for the apply_payment/refund rows.
+		if (! empty($REG_IDs)) {
+			$registrations = EEM_Registration::instance()->get_all(array(array('REG_ID' => array('IN', $REG_IDs))));
+			foreach ($registrations as $registration) {
+				if ($registration instanceof EE_Registration) {
+					$registration_payment_data[ $registration->ID() ] = array(
+						'paid'  => $registration->pretty_paid(),
+						'owing' => EEH_Template::format_currency($registration->final_price() - $registration->paid()),
+					);
+				}
+			}
+		}
+
+		return $registration_payment_data;
+	}
+
+
+	/**
+	 * _maybe_send_notifications
+	 * determines whether or not the admin has indicated that notifications should be sent.
+	 * If so, will toggle a filter switch for delivering registration notices.
+	 * If passed an EE_Payment object, then it will trigger payment notifications instead.
+	 *
+	 * @access protected
+	 * @param \EE_Payment | null $payment
+	 */
+	protected function _maybe_send_notifications($payment = null)
+	{
+		switch ($payment instanceof EE_Payment) {
+			// payment notifications
+			case true:
+				if (isset($this->_req_data['txn_payments']['send_notifications'])
+					&& filter_var(
+						$this->_req_data['txn_payments']['send_notifications'],
+						FILTER_VALIDATE_BOOLEAN
+					)
+				) {
+					$this->_process_payment_notification($payment);
+				}
+				break;
+			// registration notifications
+			case false:
+				if (isset($this->_req_data['txn_reg_status_change']['send_notifications'])
+					&& filter_var(
+						$this->_req_data['txn_reg_status_change']['send_notifications'],
+						FILTER_VALIDATE_BOOLEAN
+					)
+				) {
+					add_filter('FHEE__EED_Messages___maybe_registration__deliver_notifications', '__return_true');
+				}
+				break;
+		}
+	}
+
+
+	/**
+	 * _send_payment_reminder
+	 *    generates HTML for the View Transaction Details Admin page
+	 *
+	 * @access protected
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _send_payment_reminder()
+	{
+		$TXN_ID = ! empty($this->_req_data['TXN_ID']) ? absint($this->_req_data['TXN_ID']) : false;
+		$transaction = EEM_Transaction::instance()->get_one_by_ID($TXN_ID);
+		$query_args = isset($this->_req_data['redirect_to']) ? array(
+			'action' => $this->_req_data['redirect_to'],
+			'TXN_ID' => $this->_req_data['TXN_ID'],
+		) : array();
+		do_action(
+			'AHEE__Transactions_Admin_Page___send_payment_reminder__process_admin_payment_reminder',
+			$transaction
+		);
+		$this->_redirect_after_action(
+			false,
+			esc_html__('payment reminder', 'event_espresso'),
+			esc_html__('sent', 'event_espresso'),
+			$query_args,
+			true
+		);
+	}
+
+
+	/**
+	 *  get_transactions
+	 *    get transactions for given parameters (used by list table)
+	 *
+	 * @param  int     $perpage how many transactions displayed per page
+	 * @param  boolean $count   return the count or objects
+	 * @param string   $view
+	 * @return mixed int = count || array of transaction objects
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function get_transactions($perpage, $count = false, $view = '')
+	{
+
+		$TXN = EEM_Transaction::instance();
+
+		$start_date = isset($this->_req_data['txn-filter-start-date'])
+			? wp_strip_all_tags($this->_req_data['txn-filter-start-date'])
+			: date(
+				'm/d/Y',
+				strtotime('-10 year')
+			);
+		$end_date = isset($this->_req_data['txn-filter-end-date'])
+			? wp_strip_all_tags($this->_req_data['txn-filter-end-date'])
+			: date('m/d/Y');
+
+		// make sure our timestamps start and end right at the boundaries for each day
+		$start_date = date('Y-m-d', strtotime($start_date)) . ' 00:00:00';
+		$end_date = date('Y-m-d', strtotime($end_date)) . ' 23:59:59';
+
+
+		// convert to timestamps
+		$start_date = strtotime($start_date);
+		$end_date = strtotime($end_date);
+
+		// makes sure start date is the lowest value and vice versa
+		$start_date = min($start_date, $end_date);
+		$end_date = max($start_date, $end_date);
+
+		// convert to correct format for query
+		$start_date = EEM_Transaction::instance()->convert_datetime_for_query(
+			'TXN_timestamp',
+			date('Y-m-d H:i:s', $start_date),
+			'Y-m-d H:i:s'
+		);
+		$end_date = EEM_Transaction::instance()->convert_datetime_for_query(
+			'TXN_timestamp',
+			date('Y-m-d H:i:s', $end_date),
+			'Y-m-d H:i:s'
+		);
+
+
+		// set orderby
+		$this->_req_data['orderby'] = ! empty($this->_req_data['orderby']) ? $this->_req_data['orderby'] : '';
+
+		switch ($this->_req_data['orderby']) {
+			case 'TXN_ID':
+				$orderby = 'TXN_ID';
+				break;
+			case 'ATT_fname':
+				$orderby = 'Registration.Attendee.ATT_fname';
+				break;
+			case 'event_name':
+				$orderby = 'Registration.Event.EVT_name';
+				break;
+			default: // 'TXN_timestamp'
+				$orderby = 'TXN_timestamp';
+		}
+
+		$sort = ! empty($this->_req_data['order']) ? $this->_req_data['order'] : 'DESC';
+		$current_page = ! empty($this->_req_data['paged']) ? $this->_req_data['paged'] : 1;
+		$per_page = ! empty($perpage) ? $perpage : 10;
+		$per_page = ! empty($this->_req_data['perpage']) ? $this->_req_data['perpage'] : $per_page;
+
+		$offset = ($current_page - 1) * $per_page;
+		$limit = array($offset, $per_page);
+
+		$_where = array(
+			'TXN_timestamp'          => array('BETWEEN', array($start_date, $end_date)),
+			'Registration.REG_count' => 1,
+		);
+
+		if (isset($this->_req_data['EVT_ID'])) {
+			$_where['Registration.EVT_ID'] = $this->_req_data['EVT_ID'];
+		}
+
+		if (isset($this->_req_data['s'])) {
+			$search_string = '%' . $this->_req_data['s'] . '%';
+			$_where['OR'] = array(
+				'Registration.Event.EVT_name'         => array('LIKE', $search_string),
+				'Registration.Event.EVT_desc'         => array('LIKE', $search_string),
+				'Registration.Event.EVT_short_desc'   => array('LIKE', $search_string),
+				'Registration.Attendee.ATT_full_name' => array('LIKE', $search_string),
+				'Registration.Attendee.ATT_fname'     => array('LIKE', $search_string),
+				'Registration.Attendee.ATT_lname'     => array('LIKE', $search_string),
+				'Registration.Attendee.ATT_short_bio' => array('LIKE', $search_string),
+				'Registration.Attendee.ATT_email'     => array('LIKE', $search_string),
+				'Registration.Attendee.ATT_address'   => array('LIKE', $search_string),
+				'Registration.Attendee.ATT_address2'  => array('LIKE', $search_string),
+				'Registration.Attendee.ATT_city'      => array('LIKE', $search_string),
+				'Registration.REG_final_price'        => array('LIKE', $search_string),
+				'Registration.REG_code'               => array('LIKE', $search_string),
+				'Registration.REG_count'              => array('LIKE', $search_string),
+				'Registration.REG_group_size'         => array('LIKE', $search_string),
+				'Registration.Ticket.TKT_name'        => array('LIKE', $search_string),
+				'Registration.Ticket.TKT_description' => array('LIKE', $search_string),
+				'Payment.PAY_source'                  => array('LIKE', $search_string),
+				'Payment.Payment_Method.PMD_name'     => array('LIKE', $search_string),
+				'TXN_session_data'                    => array('LIKE', $search_string),
+				'Payment.PAY_txn_id_chq_nmbr'         => array('LIKE', $search_string),
+			);
+		}
+
+		// failed transactions
+		$failed = (! empty($this->_req_data['status']) && $this->_req_data['status'] === 'failed' && ! $count)
+				  || ($count && $view === 'failed');
+		$abandoned = (! empty($this->_req_data['status']) && $this->_req_data['status'] === 'abandoned' && ! $count)
+					 || ($count && $view === 'abandoned');
+		$incomplete = (! empty($this->_req_data['status']) && $this->_req_data['status'] === 'incomplete' && ! $count)
+					  || ($count && $view === 'incomplete');
+
+		if ($failed) {
+			$_where['STS_ID'] = EEM_Transaction::failed_status_code;
+		} elseif ($abandoned) {
+			$_where['STS_ID'] = EEM_Transaction::abandoned_status_code;
+		} elseif ($incomplete) {
+			$_where['STS_ID'] = EEM_Transaction::incomplete_status_code;
+		} else {
+			$_where['STS_ID'] = array('!=', EEM_Transaction::failed_status_code);
+			$_where['STS_ID*'] = array('!=', EEM_Transaction::abandoned_status_code);
+		}
+
+		$query_params = apply_filters(
+			'FHEE__Transactions_Admin_Page___get_transactions_query_params',
+			array(
+				$_where,
+				'order_by'                 => array($orderby => $sort),
+				'limit'                    => $limit,
+				'default_where_conditions' => EEM_Base::default_where_conditions_this_only,
+			),
+			$this->_req_data,
+			$view,
+			$count
+		);
+
+		$transactions = $count
+			? $TXN->count(array($query_params[0]), 'TXN_ID', true)
+			: $TXN->get_all($query_params);
+
+		return $transactions;
+	}
+
+
+	/**
+	 * @since 4.9.79.p
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 */
+	public function recalculateLineItems()
+	{
+		$TXN_ID = ! empty($this->_req_data['TXN_ID']) ? absint($this->_req_data['TXN_ID']) : false;
+		/** @var EE_Transaction $transaction */
+		$transaction = EEM_Transaction::instance()->get_one_by_ID($TXN_ID);
+		$total_line_item = $transaction->total_line_item(false);
+		$success = $transaction->recalculateLineItems();
+		$this->_redirect_after_action(
+			(bool) $success,
+			esc_html__('Transaction taxes and totals', 'event_espresso'),
+			esc_html__('recalculated', 'event_espresso'),
+			isset($this->_req_data['redirect_to'])
+				? array(
+				'action' => $this->_req_data['redirect_to'],
+				'TXN_ID' => $this->_req_data['TXN_ID'],
+			)
+				: array(),
+			true
+		);
+	}
 }

modules/ticket_selector/DisplayTicketSelector.php

Indentation +718 added lines, -718 removed lines

@@ -33,725 +33,725 @@
 class DisplayTicketSelector
 {
 
-    /**
-     * event that ticket selector is being generated for
-     *
-     * @access protected
-     * @var EE_Event $event
-     */
-    protected $event;
-
-    /**
-     * Used to flag when the ticket selector is being called from an external iframe.
-     *
-     * @var bool $iframe
-     */
-    protected $iframe = false;
-
-    /**
-     * max attendees that can register for event at one time
-     *
-     * @var int $max_attendees
-     */
-    private $max_attendees = EE_INF;
-
-    /**
-     * @var string $date_format
-     */
-    private $date_format;
-
-    /**
-     * @var string $time_format
-     */
-    private $time_format;
-
-    /**
-     * @var boolean $display_full_ui
-     */
-    private $display_full_ui;
-
-
-    /**
-     * DisplayTicketSelector constructor.
-     *
-     * @param bool $iframe
-     */
-    public function __construct($iframe = false)
-    {
-        $this->iframe = $iframe;
-        $this->date_format = apply_filters(
-            'FHEE__EED_Ticket_Selector__display_ticket_selector__date_format',
-            get_option('date_format')
-        );
-        $this->time_format = apply_filters(
-            'FHEE__EED_Ticket_Selector__display_ticket_selector__time_format',
-            get_option('time_format')
-        );
-    }
-
-
-    /**
-     * @return bool
-     */
-    public function isIframe()
-    {
-        return $this->iframe;
-    }
-
-
-    /**
-     * @param boolean $iframe
-     */
-    public function setIframe($iframe = true)
-    {
-        $this->iframe = filter_var($iframe, FILTER_VALIDATE_BOOLEAN);
-    }
-
-
-    /**
-     * finds and sets the \EE_Event object for use throughout class
-     *
-     * @param mixed $event
-     * @return bool
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     */
-    protected function setEvent($event = null)
-    {
-        if ($event === null) {
-            global $post;
-            $event = $post;
-        }
-        if ($event instanceof EE_Event) {
-            $this->event = $event;
-        } elseif ($event instanceof WP_Post) {
-            if (isset($event->EE_Event) && $event->EE_Event instanceof EE_Event) {
-                $this->event = $event->EE_Event;
-            } elseif ($event->post_type === 'espresso_events') {
-                $event->EE_Event = EEM_Event::instance()->instantiate_class_from_post_object($event);
-                $this->event = $event->EE_Event;
-            }
-        } else {
-            $user_msg = __('No Event object or an invalid Event object was supplied.', 'event_espresso');
-            $dev_msg = $user_msg . __(
-                'In order to generate a ticket selector, please ensure you are passing either an EE_Event object or a WP_Post object of the post type "espresso_event" to the EE_Ticket_Selector class constructor.',
-                'event_espresso'
-            );
-            EE_Error::add_error($user_msg . '||' . $dev_msg, __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-        return true;
-    }
-
-
-    /**
-     * @return int
-     */
-    public function getMaxAttendees()
-    {
-        return $this->max_attendees;
-    }
-
-
-    /**
-     * @param int $max_attendees
-     */
-    public function setMaxAttendees($max_attendees)
-    {
-        $this->max_attendees = absint(
-            apply_filters(
-                'FHEE__EE_Ticket_Selector__display_ticket_selector__max_tickets',
-                $max_attendees
-            )
-        );
-    }
-
-
-    /**
-     * Returns whether or not the full ticket selector should be shown or not.
-     * Currently, it displays on the frontend (including ajax requests) but not the backend
-     *
-     * @return bool
-     */
-    private function display_full_ui()
-    {
-        if ($this->display_full_ui === null) {
-            $this->display_full_ui = ! is_admin() || (defined('DOING_AJAX') && DOING_AJAX);
-        }
-        return $this->display_full_ui;
-    }
-
-
-    /**
-     * creates buttons for selecting number of attendees for an event
-     *
-     * @param WP_Post|int $event
-     * @param bool        $view_details
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function display($event = null, $view_details = false)
-    {
-        // reset filter for displaying submit button
-        remove_filter('FHEE__EE_Ticket_Selector__display_ticket_selector_submit', '__return_true');
-        // poke and prod incoming event till it tells us what it is
-        if (! $this->setEvent($event)) {
-            return false;
-        }
-        // begin gathering template arguments by getting event status
-        $template_args = array('event_status' => $this->event->get_active_status());
-        if ($this->activeEventAndShowTicketSelector(
-            $event,
-            $template_args['event_status'],
-            $view_details
-        )) {
-            return ! is_single() ? $this->displayViewDetailsButton() : '';
-        }
-        // filter the maximum qty that can appear in the Ticket Selector qty dropdowns
-        $this->setMaxAttendees($this->event->additional_limit());
-        if ($this->getMaxAttendees() < 1) {
-            return $this->ticketSalesClosedMessage();
-        }
-        // is the event expired ?
-        $template_args['event_is_expired'] = ! is_admin() ? $this->event->is_expired() : false;
-        if ($template_args['event_is_expired']) {
-            return $this->expiredEventMessage();
-        }
-        // get all tickets for this event ordered by the datetime
-        $tickets = $this->getTickets();
-        if (count($tickets) < 1) {
-            return $this->noTicketAvailableMessage();
-        }
-        // redirecting to another site for registration ??
-        $external_url = (string) $this->event->external_url()
-            && $this->event->external_url() !== get_the_permalink()
-            ? $this->event->external_url()
-            : '';
-        // if redirecting to another site for registration, then we don't load the TS
-        $ticket_selector = $external_url
-            ? $this->externalEventRegistration()
-            : $this->loadTicketSelector($tickets, $template_args);
-        // now set up the form (but not for the admin)
-        $ticket_selector = $this->display_full_ui()
-            ? $this->formOpen($this->event->ID(), $external_url) . $ticket_selector
-            : $ticket_selector;
-        // submit button and form close tag
-        $ticket_selector .= $this->display_full_ui() ? $this->displaySubmitButton($external_url) : '';
-        return $ticket_selector;
-    }
-
-
-    /**
-     * displayTicketSelector
-     * examines the event properties and determines whether a Ticket Selector should be displayed
-     *
-     * @param WP_Post|int $event
-     * @param string      $_event_active_status
-     * @param bool        $view_details
-     * @return bool
-     * @throws EE_Error
-     */
-    protected function activeEventAndShowTicketSelector($event, $_event_active_status, $view_details)
-    {
-        $event_post = $this->event instanceof EE_Event ? $this->event->ID() : $event;
-        return $this->display_full_ui()
-               && (
-                   ! $this->event->display_ticket_selector()
-                   || $view_details
-                   || post_password_required($event_post)
-                   || (
-                       $_event_active_status !== EE_Datetime::active
-                       && $_event_active_status !== EE_Datetime::upcoming
-                       && $_event_active_status !== EE_Datetime::sold_out
-                       && ! (
-                           $_event_active_status === EE_Datetime::inactive
-                           && is_user_logged_in()
-                       )
-                   )
-               );
-    }
-
-
-    /**
-     * noTicketAvailableMessage
-     * notice displayed if event is expired
-     *
-     * @return string
-     * @throws EE_Error
-     */
-    protected function expiredEventMessage()
-    {
-        return '<div class="ee-event-expired-notice"><span class="important-notice">' . esc_html__(
-            'We\'re sorry, but all tickets sales have ended because the event is expired.',
-            'event_espresso'
-        ) . '</span></div><!-- .ee-event-expired-notice -->';
-    }
-
-
-    /**
-     * noTicketAvailableMessage
-     * notice displayed if event has no more tickets available
-     *
-     * @return string
-     * @throws EE_Error
-     */
-    protected function noTicketAvailableMessage()
-    {
-        $no_ticket_available_msg = esc_html__('We\'re sorry, but all ticket sales have ended.', 'event_espresso');
-        if (current_user_can('edit_post', $this->event->ID())) {
-            $no_ticket_available_msg .= sprintf(
-                esc_html__(
-                    '%1$sNote to Event Admin:%2$sNo tickets were found for this event. This effectively turns off ticket sales. Please ensure that at least one ticket is available for if you want people to be able to register.%3$s(click to edit this event)%4$s',
-                    'event_espresso'
-                ),
-                '<div class="ee-attention" style="text-align: left;"><b>',
-                '</b><br />',
-                '<span class="edit-link"><a class="post-edit-link" href="'
-                . get_edit_post_link($this->event->ID())
-                . '">',
-                '</a></span></div><!-- .ee-attention noTicketAvailableMessage -->'
-            );
-        }
-        return '
+	/**
+	 * event that ticket selector is being generated for
+	 *
+	 * @access protected
+	 * @var EE_Event $event
+	 */
+	protected $event;
+
+	/**
+	 * Used to flag when the ticket selector is being called from an external iframe.
+	 *
+	 * @var bool $iframe
+	 */
+	protected $iframe = false;
+
+	/**
+	 * max attendees that can register for event at one time
+	 *
+	 * @var int $max_attendees
+	 */
+	private $max_attendees = EE_INF;
+
+	/**
+	 * @var string $date_format
+	 */
+	private $date_format;
+
+	/**
+	 * @var string $time_format
+	 */
+	private $time_format;
+
+	/**
+	 * @var boolean $display_full_ui
+	 */
+	private $display_full_ui;
+
+
+	/**
+	 * DisplayTicketSelector constructor.
+	 *
+	 * @param bool $iframe
+	 */
+	public function __construct($iframe = false)
+	{
+		$this->iframe = $iframe;
+		$this->date_format = apply_filters(
+			'FHEE__EED_Ticket_Selector__display_ticket_selector__date_format',
+			get_option('date_format')
+		);
+		$this->time_format = apply_filters(
+			'FHEE__EED_Ticket_Selector__display_ticket_selector__time_format',
+			get_option('time_format')
+		);
+	}
+
+
+	/**
+	 * @return bool
+	 */
+	public function isIframe()
+	{
+		return $this->iframe;
+	}
+
+
+	/**
+	 * @param boolean $iframe
+	 */
+	public function setIframe($iframe = true)
+	{
+		$this->iframe = filter_var($iframe, FILTER_VALIDATE_BOOLEAN);
+	}
+
+
+	/**
+	 * finds and sets the \EE_Event object for use throughout class
+	 *
+	 * @param mixed $event
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 */
+	protected function setEvent($event = null)
+	{
+		if ($event === null) {
+			global $post;
+			$event = $post;
+		}
+		if ($event instanceof EE_Event) {
+			$this->event = $event;
+		} elseif ($event instanceof WP_Post) {
+			if (isset($event->EE_Event) && $event->EE_Event instanceof EE_Event) {
+				$this->event = $event->EE_Event;
+			} elseif ($event->post_type === 'espresso_events') {
+				$event->EE_Event = EEM_Event::instance()->instantiate_class_from_post_object($event);
+				$this->event = $event->EE_Event;
+			}
+		} else {
+			$user_msg = __('No Event object or an invalid Event object was supplied.', 'event_espresso');
+			$dev_msg = $user_msg . __(
+				'In order to generate a ticket selector, please ensure you are passing either an EE_Event object or a WP_Post object of the post type "espresso_event" to the EE_Ticket_Selector class constructor.',
+				'event_espresso'
+			);
+			EE_Error::add_error($user_msg . '||' . $dev_msg, __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+		return true;
+	}
+
+
+	/**
+	 * @return int
+	 */
+	public function getMaxAttendees()
+	{
+		return $this->max_attendees;
+	}
+
+
+	/**
+	 * @param int $max_attendees
+	 */
+	public function setMaxAttendees($max_attendees)
+	{
+		$this->max_attendees = absint(
+			apply_filters(
+				'FHEE__EE_Ticket_Selector__display_ticket_selector__max_tickets',
+				$max_attendees
+			)
+		);
+	}
+
+
+	/**
+	 * Returns whether or not the full ticket selector should be shown or not.
+	 * Currently, it displays on the frontend (including ajax requests) but not the backend
+	 *
+	 * @return bool
+	 */
+	private function display_full_ui()
+	{
+		if ($this->display_full_ui === null) {
+			$this->display_full_ui = ! is_admin() || (defined('DOING_AJAX') && DOING_AJAX);
+		}
+		return $this->display_full_ui;
+	}
+
+
+	/**
+	 * creates buttons for selecting number of attendees for an event
+	 *
+	 * @param WP_Post|int $event
+	 * @param bool        $view_details
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function display($event = null, $view_details = false)
+	{
+		// reset filter for displaying submit button
+		remove_filter('FHEE__EE_Ticket_Selector__display_ticket_selector_submit', '__return_true');
+		// poke and prod incoming event till it tells us what it is
+		if (! $this->setEvent($event)) {
+			return false;
+		}
+		// begin gathering template arguments by getting event status
+		$template_args = array('event_status' => $this->event->get_active_status());
+		if ($this->activeEventAndShowTicketSelector(
+			$event,
+			$template_args['event_status'],
+			$view_details
+		)) {
+			return ! is_single() ? $this->displayViewDetailsButton() : '';
+		}
+		// filter the maximum qty that can appear in the Ticket Selector qty dropdowns
+		$this->setMaxAttendees($this->event->additional_limit());
+		if ($this->getMaxAttendees() < 1) {
+			return $this->ticketSalesClosedMessage();
+		}
+		// is the event expired ?
+		$template_args['event_is_expired'] = ! is_admin() ? $this->event->is_expired() : false;
+		if ($template_args['event_is_expired']) {
+			return $this->expiredEventMessage();
+		}
+		// get all tickets for this event ordered by the datetime
+		$tickets = $this->getTickets();
+		if (count($tickets) < 1) {
+			return $this->noTicketAvailableMessage();
+		}
+		// redirecting to another site for registration ??
+		$external_url = (string) $this->event->external_url()
+			&& $this->event->external_url() !== get_the_permalink()
+			? $this->event->external_url()
+			: '';
+		// if redirecting to another site for registration, then we don't load the TS
+		$ticket_selector = $external_url
+			? $this->externalEventRegistration()
+			: $this->loadTicketSelector($tickets, $template_args);
+		// now set up the form (but not for the admin)
+		$ticket_selector = $this->display_full_ui()
+			? $this->formOpen($this->event->ID(), $external_url) . $ticket_selector
+			: $ticket_selector;
+		// submit button and form close tag
+		$ticket_selector .= $this->display_full_ui() ? $this->displaySubmitButton($external_url) : '';
+		return $ticket_selector;
+	}
+
+
+	/**
+	 * displayTicketSelector
+	 * examines the event properties and determines whether a Ticket Selector should be displayed
+	 *
+	 * @param WP_Post|int $event
+	 * @param string      $_event_active_status
+	 * @param bool        $view_details
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	protected function activeEventAndShowTicketSelector($event, $_event_active_status, $view_details)
+	{
+		$event_post = $this->event instanceof EE_Event ? $this->event->ID() : $event;
+		return $this->display_full_ui()
+			   && (
+				   ! $this->event->display_ticket_selector()
+				   || $view_details
+				   || post_password_required($event_post)
+				   || (
+					   $_event_active_status !== EE_Datetime::active
+					   && $_event_active_status !== EE_Datetime::upcoming
+					   && $_event_active_status !== EE_Datetime::sold_out
+					   && ! (
+						   $_event_active_status === EE_Datetime::inactive
+						   && is_user_logged_in()
+					   )
+				   )
+			   );
+	}
+
+
+	/**
+	 * noTicketAvailableMessage
+	 * notice displayed if event is expired
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 */
+	protected function expiredEventMessage()
+	{
+		return '<div class="ee-event-expired-notice"><span class="important-notice">' . esc_html__(
+			'We\'re sorry, but all tickets sales have ended because the event is expired.',
+			'event_espresso'
+		) . '</span></div><!-- .ee-event-expired-notice -->';
+	}
+
+
+	/**
+	 * noTicketAvailableMessage
+	 * notice displayed if event has no more tickets available
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 */
+	protected function noTicketAvailableMessage()
+	{
+		$no_ticket_available_msg = esc_html__('We\'re sorry, but all ticket sales have ended.', 'event_espresso');
+		if (current_user_can('edit_post', $this->event->ID())) {
+			$no_ticket_available_msg .= sprintf(
+				esc_html__(
+					'%1$sNote to Event Admin:%2$sNo tickets were found for this event. This effectively turns off ticket sales. Please ensure that at least one ticket is available for if you want people to be able to register.%3$s(click to edit this event)%4$s',
+					'event_espresso'
+				),
+				'<div class="ee-attention" style="text-align: left;"><b>',
+				'</b><br />',
+				'<span class="edit-link"><a class="post-edit-link" href="'
+				. get_edit_post_link($this->event->ID())
+				. '">',
+				'</a></span></div><!-- .ee-attention noTicketAvailableMessage -->'
+			);
+		}
+		return '
             <div class="ee-event-expired-notice">
                 <span class="important-notice">' . $no_ticket_available_msg . '</span>
             </div><!-- .ee-event-expired-notice -->';
-    }
-
-
-    /**
-     * ticketSalesClosed
-     * notice displayed if event ticket sales are turned off
-     *
-     * @return string
-     * @throws EE_Error
-     */
-    protected function ticketSalesClosedMessage()
-    {
-        $sales_closed_msg = esc_html__(
-            'We\'re sorry, but ticket sales have been closed at this time. Please check back again later.',
-            'event_espresso'
-        );
-        if (current_user_can('edit_post', $this->event->ID())) {
-            $sales_closed_msg .= sprintf(
-                esc_html__(
-                    '%sNote to Event Admin:%sThe "Maximum number of tickets allowed per order for this event" in the Event Registration Options has been set to "0". This effectively turns off ticket sales. %s(click to edit this event)%s',
-                    'event_espresso'
-                ),
-                '<div class="ee-attention" style="text-align: left;"><b>',
-                '</b><br />',
-                '<span class="edit-link"><a class="post-edit-link" href="'
-                . get_edit_post_link($this->event->ID())
-                . '">',
-                '</a></span></div><!-- .ee-attention ticketSalesClosedMessage -->'
-            );
-        }
-        return '<p><span class="important-notice">' . $sales_closed_msg . '</span></p>';
-    }
-
-
-    /**
-     * getTickets
-     *
-     * @return \EE_Base_Class[]|\EE_Ticket[]
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     */
-    protected function getTickets()
-    {
-        $show_expired_tickets = is_admin() || (
-            EE_Registry::instance()->CFG->template_settings->EED_Ticket_Selector instanceof EE_Ticket_Selector_Config
-            && EE_Registry::instance()->CFG->template_settings->EED_Ticket_Selector->show_expired_tickets
-        );
-
-        $ticket_query_args = array(
-            array('Datetime.EVT_ID' => $this->event->ID()),
-            'order_by' => array(
-                'TKT_order'              => 'ASC',
-                'TKT_required'           => 'DESC',
-                'TKT_start_date'         => 'ASC',
-                'TKT_end_date'           => 'ASC',
-                'Datetime.DTT_EVT_start' => 'DESC',
-            ),
-        );
-        if (! $show_expired_tickets) {
-            // use the correct applicable time query depending on what version of core is being run.
-            $current_time = method_exists('EEM_Datetime', 'current_time_for_query')
-                ? time()
-                : current_time('timestamp');
-            $ticket_query_args[0]['TKT_end_date'] = array('>', $current_time);
-        }
-        return EEM_Ticket::instance()->get_all($ticket_query_args);
-    }
-
-
-    /**
-     * loadTicketSelector
-     * begins to assemble template arguments
-     * and decides whether to load a "simple" ticket selector, or the standard
-     *
-     * @param \EE_Ticket[] $tickets
-     * @param array        $template_args
-     * @return string
-     * @throws EE_Error
-     */
-    protected function loadTicketSelector(array $tickets, array $template_args)
-    {
-        $template_args['event'] = $this->event;
-        $template_args['EVT_ID'] = $this->event->ID();
-        $template_args['event_is_expired'] = $this->event->is_expired();
-        $template_args['max_atndz'] = $this->getMaxAttendees();
-        $template_args['date_format'] = $this->date_format;
-        $template_args['time_format'] = $this->time_format;
-        /**
-         * Filters the anchor ID used when redirecting to the Ticket Selector if no quantity selected
-         *
-         * @since 4.9.13
-         * @param     string  '#tkt-slctr-tbl-' . $EVT_ID The html ID to anchor to
-         * @param int $EVT_ID The Event ID
-         */
-        $template_args['anchor_id'] = apply_filters(
-            'FHEE__EE_Ticket_Selector__redirect_anchor_id',
-            '#tkt-slctr-tbl-' . $this->event->ID(),
-            $this->event->ID()
-        );
-        $template_args['tickets'] = $tickets;
-        $template_args['ticket_count'] = count($tickets);
-        $ticket_selector = $this->simpleTicketSelector($tickets, $template_args);
-        return $ticket_selector instanceof TicketSelectorSimple
-            ? $ticket_selector
-            : new TicketSelectorStandard(
-                $this->event,
-                $tickets,
-                $this->getMaxAttendees(),
-                $template_args,
-                $this->date_format,
-                $this->time_format
-            );
-    }
-
-
-    /**
-     * simpleTicketSelector
-     * there's one ticket, and max attendees is set to one,
-     * so if the event is free, then this is a "simple" ticket selector
-     * a.k.a. "Dude Where's my Ticket Selector?"
-     *
-     * @param \EE_Ticket[] $tickets
-     * @param array        $template_args
-     * @return string
-     * @throws EE_Error
-     */
-    protected function simpleTicketSelector($tickets, array $template_args)
-    {
-        // if there is only ONE ticket with a max qty of ONE
-        if (count($tickets) > 1 || $this->getMaxAttendees() !== 1) {
-            return '';
-        }
-        /** @var \EE_Ticket $ticket */
-        $ticket = reset($tickets);
-        // if the ticket is free... then not much need for the ticket selector
-        if (apply_filters(
-            'FHEE__ticket_selector_chart_template__hide_ticket_selector',
-            $ticket->is_free(),
-            $this->event->ID()
-        )) {
-            return new TicketSelectorSimple(
-                $this->event,
-                $ticket,
-                $this->getMaxAttendees(),
-                $template_args
-            );
-        }
-        return '';
-    }
-
-
-    /**
-     * externalEventRegistration
-     *
-     * @return string
-     */
-    public function externalEventRegistration()
-    {
-        // if not we still need to trigger the display of the submit button
-        add_filter('FHEE__EE_Ticket_Selector__display_ticket_selector_submit', '__return_true');
-        // display notice to admin that registration is external
-        return $this->display_full_ui()
-            ? esc_html__(
-                'Registration is at an external URL for this event.',
-                'event_espresso'
-            )
-            : '';
-    }
-
-
-    /**
-     * formOpen
-     *
-     * @param        int    $ID
-     * @param        string $external_url
-     * @return        string
-     */
-    public function formOpen($ID = 0, $external_url = '')
-    {
-        // if redirecting, we don't need any anything else
-        if ($external_url) {
-            $html = '<form method="GET" ';
-            $html .= 'action="' . EEH_URL::refactor_url($external_url) . '" ';
-            $html .= 'name="ticket-selector-form-' . $ID . '"';
-            // open link in new window ?
-            $html .= apply_filters(
-                'FHEE__EventEspresso_modules_ticket_selector_DisplayTicketSelector__formOpen__external_url_target_blank',
-                $this->isIframe(),
-                $this
-            )
-                ? ' target="_blank"'
-                : '';
-            $html .= '>';
-            $query_args = EEH_URL::get_query_string($external_url);
-            foreach ((array) $query_args as $query_arg => $value) {
-                $html .= '<input type="hidden" name="' . $query_arg . '" value="' . $value . '">';
-            }
-            return $html;
-        }
-        // if there is no submit button, then don't start building a form
-        // because the "View Details" button will build its own form
-        if (! apply_filters('FHEE__EE_Ticket_Selector__display_ticket_selector_submit', false)) {
-            return '';
-        }
-        $checkout_url = EEH_Event_View::event_link_url($ID);
-        if (! $checkout_url) {
-            EE_Error::add_error(
-                esc_html__('The URL for the Event Details page could not be retrieved.', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-        // set no cache headers and constants
-        EE_System::do_not_cache();
-        $html = '<form method="POST" ';
-        $html .= 'action="' . $checkout_url . '" ';
-        $html .= 'name="ticket-selector-form-' . $ID . '"';
-        $html .= $this->iframe ? ' target="_blank"' : '';
-        $html .= '>';
-        $html .= '<input type="hidden" name="ee" value="process_ticket_selections">';
-        $html = apply_filters('FHEE__EE_Ticket_Selector__ticket_selector_form_open__html', $html, $this->event);
-        return $html;
-    }
-
-
-    /**
-     * displaySubmitButton
-     *
-     * @param  string $external_url
-     * @return string
-     * @throws EE_Error
-     */
-    public function displaySubmitButton($external_url = '')
-    {
-        $html = '';
-        if ($this->display_full_ui()) {
-            // standard TS displayed with submit button, ie: "Register Now"
-            if (apply_filters('FHEE__EE_Ticket_Selector__display_ticket_selector_submit', false)) {
-                $html .= $this->displayRegisterNowButton();
-                $html .= empty($external_url)
-                    ? $this->ticketSelectorEndDiv()
-                    : $this->clearTicketSelector();
-                $html .= '<br/>' . $this->formClose();
-            } elseif ($this->getMaxAttendees() === 1) {
-                // its a "Dude Where's my Ticket Selector?" (DWMTS) type event (ie: $_max_atndz === 1)
-                if ($this->event->is_sold_out()) {
-                    // then instead of a View Details or Submit button, just display a "Sold Out" message
-                    $html .= apply_filters(
-                        'FHEE__EE_Ticket_Selector__display_ticket_selector_submit__sold_out_msg',
-                        sprintf(
-                            __(
-                                '%1$s"%2$s" is currently sold out.%4$sPlease check back again later, as spots may become available.%3$s',
-                                'event_espresso'
-                            ),
-                            '<p class="no-ticket-selector-msg clear-float">',
-                            $this->event->name(),
-                            '</p>',
-                            '<br />'
-                        ),
-                        $this->event
-                    );
-                    if (apply_filters(
-                        'FHEE__EE_Ticket_Selector__display_ticket_selector_submit__no_tickets_but_display_register_now_button',
-                        false,
-                        $this->event
-                    )) {
-                        $html .= $this->displayRegisterNowButton();
-                    }
-                    // sold out DWMTS event, no TS, no submit or view details button, but has additional content
-                    $html .= $this->ticketSelectorEndDiv();
-                } elseif (apply_filters('FHEE__EE_Ticket_Selector__hide_ticket_selector', false)
-                          && ! is_single()
-                ) {
-                    // this is a "Dude Where's my Ticket Selector?" (DWMTS) type event,
-                    // but no tickets are available, so display event's "View Details" button.
-                    // it is being viewed via somewhere other than a single post
-                    $html .= $this->displayViewDetailsButton(true);
-                } else {
-                    $html .= $this->ticketSelectorEndDiv();
-                }
-            } elseif (is_archive()) {
-                // event list, no tickets available so display event's "View Details" button
-                $html .= $this->ticketSelectorEndDiv();
-                $html .= $this->displayViewDetailsButton();
-            } else {
-                if (apply_filters(
-                    'FHEE__EE_Ticket_Selector__display_ticket_selector_submit__no_tickets_but_display_register_now_button',
-                    false,
-                    $this->event
-                )) {
-                    $html .= $this->displayRegisterNowButton();
-                }
-                // no submit or view details button, and no additional content
-                $html .= $this->ticketSelectorEndDiv();
-            }
-            if (! $this->iframe && ! is_archive()) {
-                $html .= EEH_Template::powered_by_event_espresso('', '', array('utm_content' => 'ticket_selector'));
-            }
-        }
-        return apply_filters(
-            'FHEE__EventEspresso_modules_ticket_selector_DisplayTicketSelector__displaySubmitButton__html',
-            $html,
-            $this->event,
-            $this
-        );
-    }
-
-
-    /**
-     * @return string
-     * @throws EE_Error
-     */
-    public function displayRegisterNowButton()
-    {
-        $btn_text = apply_filters(
-            'FHEE__EE_Ticket_Selector__display_ticket_selector_submit__btn_text',
-            __('Register Now', 'event_espresso'),
-            $this->event
-        );
-        $external_url = (string) $this->event->external_url()
-            && $this->event->external_url() !== get_the_permalink()
-            ? $this->event->external_url()
-            : '';
-        $html = EEH_HTML::div(
-            '',
-            'ticket-selector-submit-' . $this->event->ID() . '-btn-wrap',
-            'ticket-selector-submit-btn-wrap'
-        );
-        $html .= '<input id="ticket-selector-submit-' . $this->event->ID() . '-btn"';
-        $html .= ' class="ticket-selector-submit-btn ';
-        $html .= empty($external_url) ? 'ticket-selector-submit-ajax"' : '"';
-        $html .= ' type="submit" value="' . $btn_text . '" data-ee-disable-after-recaptcha="true" />';
-        $html .= EEH_HTML::divx() . '<!-- .ticket-selector-submit-btn-wrap -->';
-        $html .= apply_filters(
-            'FHEE__EE_Ticket_Selector__after_ticket_selector_submit',
-            '',
-            $this->event,
-            $this->iframe
-        );
-        return $html;
-    }
-
-
-    /**
-     * displayViewDetailsButton
-     *
-     * @param bool $DWMTS indicates a "Dude Where's my Ticket Selector?" (DWMTS) type event
-     *                    (ie: $_max_atndz === 1) where there are no available tickets,
-     *                    either because they are sold out, expired, or not yet on sale.
-     *                    In this case, we need to close the form BEFORE adding any closing divs
-     * @return string
-     * @throws EE_Error
-     */
-    public function displayViewDetailsButton($DWMTS = false)
-    {
-        if (! $this->event->get_permalink()) {
-            EE_Error::add_error(
-                esc_html__('The URL for the Event Details page could not be retrieved.', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-        $view_details_btn = '<form method="POST" action="';
-        $view_details_btn .= apply_filters(
-            'FHEE__EE_Ticket_Selector__display_view_details_btn__btn_url',
-            $this->event->get_permalink(),
-            $this->event
-        );
-        $view_details_btn .= '"';
-        // open link in new window ?
-        $view_details_btn .= apply_filters(
-            'FHEE__EventEspresso_modules_ticket_selector_DisplayTicketSelector__displayViewDetailsButton__url_target_blank',
-            $this->isIframe(),
-            $this
-        )
-            ? ' target="_blank"'
-            : '';
-        $view_details_btn .= '>';
-        $btn_text = apply_filters(
-            'FHEE__EE_Ticket_Selector__display_view_details_btn__btn_text',
-            esc_html__('View Details', 'event_espresso'),
-            $this->event
-        );
-        $view_details_btn .= '<input id="ticket-selector-submit-'
-                             . $this->event->ID()
-                             . '-btn" class="ticket-selector-submit-btn view-details-btn" type="submit" value="'
-                             . $btn_text
-                             . '" />';
-        $view_details_btn .= apply_filters('FHEE__EE_Ticket_Selector__after_view_details_btn', '', $this->event);
-        if ($DWMTS) {
-            $view_details_btn .= $this->formClose();
-            $view_details_btn .= $this->ticketSelectorEndDiv();
-            $view_details_btn .= '<br/>';
-        } else {
-            $view_details_btn .= $this->clearTicketSelector();
-            $view_details_btn .= '<br/>';
-            $view_details_btn .= $this->formClose();
-        }
-        return $view_details_btn;
-    }
-
-
-    /**
-     * @return string
-     */
-    public function ticketSelectorEndDiv()
-    {
-        return $this->clearTicketSelector() . '</div><!-- ticketSelectorEndDiv -->';
-    }
-
-
-    /**
-     * @return string
-     */
-    public function clearTicketSelector()
-    {
-        // standard TS displayed, appears after a "Register Now" or "view Details" button
-        return '<div class="clear"></div><!-- clearTicketSelector -->';
-    }
-
-
-    /**
-     * @access        public
-     * @return        string
-     */
-    public function formClose()
-    {
-        return '</form>';
-    }
+	}
+
+
+	/**
+	 * ticketSalesClosed
+	 * notice displayed if event ticket sales are turned off
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 */
+	protected function ticketSalesClosedMessage()
+	{
+		$sales_closed_msg = esc_html__(
+			'We\'re sorry, but ticket sales have been closed at this time. Please check back again later.',
+			'event_espresso'
+		);
+		if (current_user_can('edit_post', $this->event->ID())) {
+			$sales_closed_msg .= sprintf(
+				esc_html__(
+					'%sNote to Event Admin:%sThe "Maximum number of tickets allowed per order for this event" in the Event Registration Options has been set to "0". This effectively turns off ticket sales. %s(click to edit this event)%s',
+					'event_espresso'
+				),
+				'<div class="ee-attention" style="text-align: left;"><b>',
+				'</b><br />',
+				'<span class="edit-link"><a class="post-edit-link" href="'
+				. get_edit_post_link($this->event->ID())
+				. '">',
+				'</a></span></div><!-- .ee-attention ticketSalesClosedMessage -->'
+			);
+		}
+		return '<p><span class="important-notice">' . $sales_closed_msg . '</span></p>';
+	}
+
+
+	/**
+	 * getTickets
+	 *
+	 * @return \EE_Base_Class[]|\EE_Ticket[]
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 */
+	protected function getTickets()
+	{
+		$show_expired_tickets = is_admin() || (
+			EE_Registry::instance()->CFG->template_settings->EED_Ticket_Selector instanceof EE_Ticket_Selector_Config
+			&& EE_Registry::instance()->CFG->template_settings->EED_Ticket_Selector->show_expired_tickets
+		);
+
+		$ticket_query_args = array(
+			array('Datetime.EVT_ID' => $this->event->ID()),
+			'order_by' => array(
+				'TKT_order'              => 'ASC',
+				'TKT_required'           => 'DESC',
+				'TKT_start_date'         => 'ASC',
+				'TKT_end_date'           => 'ASC',
+				'Datetime.DTT_EVT_start' => 'DESC',
+			),
+		);
+		if (! $show_expired_tickets) {
+			// use the correct applicable time query depending on what version of core is being run.
+			$current_time = method_exists('EEM_Datetime', 'current_time_for_query')
+				? time()
+				: current_time('timestamp');
+			$ticket_query_args[0]['TKT_end_date'] = array('>', $current_time);
+		}
+		return EEM_Ticket::instance()->get_all($ticket_query_args);
+	}
+
+
+	/**
+	 * loadTicketSelector
+	 * begins to assemble template arguments
+	 * and decides whether to load a "simple" ticket selector, or the standard
+	 *
+	 * @param \EE_Ticket[] $tickets
+	 * @param array        $template_args
+	 * @return string
+	 * @throws EE_Error
+	 */
+	protected function loadTicketSelector(array $tickets, array $template_args)
+	{
+		$template_args['event'] = $this->event;
+		$template_args['EVT_ID'] = $this->event->ID();
+		$template_args['event_is_expired'] = $this->event->is_expired();
+		$template_args['max_atndz'] = $this->getMaxAttendees();
+		$template_args['date_format'] = $this->date_format;
+		$template_args['time_format'] = $this->time_format;
+		/**
+		 * Filters the anchor ID used when redirecting to the Ticket Selector if no quantity selected
+		 *
+		 * @since 4.9.13
+		 * @param     string  '#tkt-slctr-tbl-' . $EVT_ID The html ID to anchor to
+		 * @param int $EVT_ID The Event ID
+		 */
+		$template_args['anchor_id'] = apply_filters(
+			'FHEE__EE_Ticket_Selector__redirect_anchor_id',
+			'#tkt-slctr-tbl-' . $this->event->ID(),
+			$this->event->ID()
+		);
+		$template_args['tickets'] = $tickets;
+		$template_args['ticket_count'] = count($tickets);
+		$ticket_selector = $this->simpleTicketSelector($tickets, $template_args);
+		return $ticket_selector instanceof TicketSelectorSimple
+			? $ticket_selector
+			: new TicketSelectorStandard(
+				$this->event,
+				$tickets,
+				$this->getMaxAttendees(),
+				$template_args,
+				$this->date_format,
+				$this->time_format
+			);
+	}
+
+
+	/**
+	 * simpleTicketSelector
+	 * there's one ticket, and max attendees is set to one,
+	 * so if the event is free, then this is a "simple" ticket selector
+	 * a.k.a. "Dude Where's my Ticket Selector?"
+	 *
+	 * @param \EE_Ticket[] $tickets
+	 * @param array        $template_args
+	 * @return string
+	 * @throws EE_Error
+	 */
+	protected function simpleTicketSelector($tickets, array $template_args)
+	{
+		// if there is only ONE ticket with a max qty of ONE
+		if (count($tickets) > 1 || $this->getMaxAttendees() !== 1) {
+			return '';
+		}
+		/** @var \EE_Ticket $ticket */
+		$ticket = reset($tickets);
+		// if the ticket is free... then not much need for the ticket selector
+		if (apply_filters(
+			'FHEE__ticket_selector_chart_template__hide_ticket_selector',
+			$ticket->is_free(),
+			$this->event->ID()
+		)) {
+			return new TicketSelectorSimple(
+				$this->event,
+				$ticket,
+				$this->getMaxAttendees(),
+				$template_args
+			);
+		}
+		return '';
+	}
+
+
+	/**
+	 * externalEventRegistration
+	 *
+	 * @return string
+	 */
+	public function externalEventRegistration()
+	{
+		// if not we still need to trigger the display of the submit button
+		add_filter('FHEE__EE_Ticket_Selector__display_ticket_selector_submit', '__return_true');
+		// display notice to admin that registration is external
+		return $this->display_full_ui()
+			? esc_html__(
+				'Registration is at an external URL for this event.',
+				'event_espresso'
+			)
+			: '';
+	}
+
+
+	/**
+	 * formOpen
+	 *
+	 * @param        int    $ID
+	 * @param        string $external_url
+	 * @return        string
+	 */
+	public function formOpen($ID = 0, $external_url = '')
+	{
+		// if redirecting, we don't need any anything else
+		if ($external_url) {
+			$html = '<form method="GET" ';
+			$html .= 'action="' . EEH_URL::refactor_url($external_url) . '" ';
+			$html .= 'name="ticket-selector-form-' . $ID . '"';
+			// open link in new window ?
+			$html .= apply_filters(
+				'FHEE__EventEspresso_modules_ticket_selector_DisplayTicketSelector__formOpen__external_url_target_blank',
+				$this->isIframe(),
+				$this
+			)
+				? ' target="_blank"'
+				: '';
+			$html .= '>';
+			$query_args = EEH_URL::get_query_string($external_url);
+			foreach ((array) $query_args as $query_arg => $value) {
+				$html .= '<input type="hidden" name="' . $query_arg . '" value="' . $value . '">';
+			}
+			return $html;
+		}
+		// if there is no submit button, then don't start building a form
+		// because the "View Details" button will build its own form
+		if (! apply_filters('FHEE__EE_Ticket_Selector__display_ticket_selector_submit', false)) {
+			return '';
+		}
+		$checkout_url = EEH_Event_View::event_link_url($ID);
+		if (! $checkout_url) {
+			EE_Error::add_error(
+				esc_html__('The URL for the Event Details page could not be retrieved.', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+		// set no cache headers and constants
+		EE_System::do_not_cache();
+		$html = '<form method="POST" ';
+		$html .= 'action="' . $checkout_url . '" ';
+		$html .= 'name="ticket-selector-form-' . $ID . '"';
+		$html .= $this->iframe ? ' target="_blank"' : '';
+		$html .= '>';
+		$html .= '<input type="hidden" name="ee" value="process_ticket_selections">';
+		$html = apply_filters('FHEE__EE_Ticket_Selector__ticket_selector_form_open__html', $html, $this->event);
+		return $html;
+	}
+
+
+	/**
+	 * displaySubmitButton
+	 *
+	 * @param  string $external_url
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function displaySubmitButton($external_url = '')
+	{
+		$html = '';
+		if ($this->display_full_ui()) {
+			// standard TS displayed with submit button, ie: "Register Now"
+			if (apply_filters('FHEE__EE_Ticket_Selector__display_ticket_selector_submit', false)) {
+				$html .= $this->displayRegisterNowButton();
+				$html .= empty($external_url)
+					? $this->ticketSelectorEndDiv()
+					: $this->clearTicketSelector();
+				$html .= '<br/>' . $this->formClose();
+			} elseif ($this->getMaxAttendees() === 1) {
+				// its a "Dude Where's my Ticket Selector?" (DWMTS) type event (ie: $_max_atndz === 1)
+				if ($this->event->is_sold_out()) {
+					// then instead of a View Details or Submit button, just display a "Sold Out" message
+					$html .= apply_filters(
+						'FHEE__EE_Ticket_Selector__display_ticket_selector_submit__sold_out_msg',
+						sprintf(
+							__(
+								'%1$s"%2$s" is currently sold out.%4$sPlease check back again later, as spots may become available.%3$s',
+								'event_espresso'
+							),
+							'<p class="no-ticket-selector-msg clear-float">',
+							$this->event->name(),
+							'</p>',
+							'<br />'
+						),
+						$this->event
+					);
+					if (apply_filters(
+						'FHEE__EE_Ticket_Selector__display_ticket_selector_submit__no_tickets_but_display_register_now_button',
+						false,
+						$this->event
+					)) {
+						$html .= $this->displayRegisterNowButton();
+					}
+					// sold out DWMTS event, no TS, no submit or view details button, but has additional content
+					$html .= $this->ticketSelectorEndDiv();
+				} elseif (apply_filters('FHEE__EE_Ticket_Selector__hide_ticket_selector', false)
+						  && ! is_single()
+				) {
+					// this is a "Dude Where's my Ticket Selector?" (DWMTS) type event,
+					// but no tickets are available, so display event's "View Details" button.
+					// it is being viewed via somewhere other than a single post
+					$html .= $this->displayViewDetailsButton(true);
+				} else {
+					$html .= $this->ticketSelectorEndDiv();
+				}
+			} elseif (is_archive()) {
+				// event list, no tickets available so display event's "View Details" button
+				$html .= $this->ticketSelectorEndDiv();
+				$html .= $this->displayViewDetailsButton();
+			} else {
+				if (apply_filters(
+					'FHEE__EE_Ticket_Selector__display_ticket_selector_submit__no_tickets_but_display_register_now_button',
+					false,
+					$this->event
+				)) {
+					$html .= $this->displayRegisterNowButton();
+				}
+				// no submit or view details button, and no additional content
+				$html .= $this->ticketSelectorEndDiv();
+			}
+			if (! $this->iframe && ! is_archive()) {
+				$html .= EEH_Template::powered_by_event_espresso('', '', array('utm_content' => 'ticket_selector'));
+			}
+		}
+		return apply_filters(
+			'FHEE__EventEspresso_modules_ticket_selector_DisplayTicketSelector__displaySubmitButton__html',
+			$html,
+			$this->event,
+			$this
+		);
+	}
+
+
+	/**
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function displayRegisterNowButton()
+	{
+		$btn_text = apply_filters(
+			'FHEE__EE_Ticket_Selector__display_ticket_selector_submit__btn_text',
+			__('Register Now', 'event_espresso'),
+			$this->event
+		);
+		$external_url = (string) $this->event->external_url()
+			&& $this->event->external_url() !== get_the_permalink()
+			? $this->event->external_url()
+			: '';
+		$html = EEH_HTML::div(
+			'',
+			'ticket-selector-submit-' . $this->event->ID() . '-btn-wrap',
+			'ticket-selector-submit-btn-wrap'
+		);
+		$html .= '<input id="ticket-selector-submit-' . $this->event->ID() . '-btn"';
+		$html .= ' class="ticket-selector-submit-btn ';
+		$html .= empty($external_url) ? 'ticket-selector-submit-ajax"' : '"';
+		$html .= ' type="submit" value="' . $btn_text . '" data-ee-disable-after-recaptcha="true" />';
+		$html .= EEH_HTML::divx() . '<!-- .ticket-selector-submit-btn-wrap -->';
+		$html .= apply_filters(
+			'FHEE__EE_Ticket_Selector__after_ticket_selector_submit',
+			'',
+			$this->event,
+			$this->iframe
+		);
+		return $html;
+	}
+
+
+	/**
+	 * displayViewDetailsButton
+	 *
+	 * @param bool $DWMTS indicates a "Dude Where's my Ticket Selector?" (DWMTS) type event
+	 *                    (ie: $_max_atndz === 1) where there are no available tickets,
+	 *                    either because they are sold out, expired, or not yet on sale.
+	 *                    In this case, we need to close the form BEFORE adding any closing divs
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public function displayViewDetailsButton($DWMTS = false)
+	{
+		if (! $this->event->get_permalink()) {
+			EE_Error::add_error(
+				esc_html__('The URL for the Event Details page could not be retrieved.', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+		$view_details_btn = '<form method="POST" action="';
+		$view_details_btn .= apply_filters(
+			'FHEE__EE_Ticket_Selector__display_view_details_btn__btn_url',
+			$this->event->get_permalink(),
+			$this->event
+		);
+		$view_details_btn .= '"';
+		// open link in new window ?
+		$view_details_btn .= apply_filters(
+			'FHEE__EventEspresso_modules_ticket_selector_DisplayTicketSelector__displayViewDetailsButton__url_target_blank',
+			$this->isIframe(),
+			$this
+		)
+			? ' target="_blank"'
+			: '';
+		$view_details_btn .= '>';
+		$btn_text = apply_filters(
+			'FHEE__EE_Ticket_Selector__display_view_details_btn__btn_text',
+			esc_html__('View Details', 'event_espresso'),
+			$this->event
+		);
+		$view_details_btn .= '<input id="ticket-selector-submit-'
+							 . $this->event->ID()
+							 . '-btn" class="ticket-selector-submit-btn view-details-btn" type="submit" value="'
+							 . $btn_text
+							 . '" />';
+		$view_details_btn .= apply_filters('FHEE__EE_Ticket_Selector__after_view_details_btn', '', $this->event);
+		if ($DWMTS) {
+			$view_details_btn .= $this->formClose();
+			$view_details_btn .= $this->ticketSelectorEndDiv();
+			$view_details_btn .= '<br/>';
+		} else {
+			$view_details_btn .= $this->clearTicketSelector();
+			$view_details_btn .= '<br/>';
+			$view_details_btn .= $this->formClose();
+		}
+		return $view_details_btn;
+	}
+
+
+	/**
+	 * @return string
+	 */
+	public function ticketSelectorEndDiv()
+	{
+		return $this->clearTicketSelector() . '</div><!-- ticketSelectorEndDiv -->';
+	}
+
+
+	/**
+	 * @return string
+	 */
+	public function clearTicketSelector()
+	{
+		// standard TS displayed, appears after a "Register Now" or "view Details" button
+		return '<div class="clear"></div><!-- clearTicketSelector -->';
+	}
+
+
+	/**
+	 * @access        public
+	 * @return        string
+	 */
+	public function formClose()
+	{
+		return '</form>';
+	}
 }

Spacing +25 added lines, -25 removed lines

@@ -135,11 +135,11 @@ 
             }
         } else {
             $user_msg = __('No Event object or an invalid Event object was supplied.', 'event_espresso');
-            $dev_msg = $user_msg . __(
+            $dev_msg = $user_msg.__(
                 'In order to generate a ticket selector, please ensure you are passing either an EE_Event object or a WP_Post object of the post type "espresso_event" to the EE_Ticket_Selector class constructor.',
                 'event_espresso'
             );
-            EE_Error::add_error($user_msg . '||' . $dev_msg, __FILE__, __FUNCTION__, __LINE__);
+            EE_Error::add_error($user_msg.'||'.$dev_msg, __FILE__, __FUNCTION__, __LINE__);
             return false;
         }
         return true;
@@ -200,7 +200,7 @@ 
         // reset filter for displaying submit button
         remove_filter('FHEE__EE_Ticket_Selector__display_ticket_selector_submit', '__return_true');
         // poke and prod incoming event till it tells us what it is
-        if (! $this->setEvent($event)) {
+        if ( ! $this->setEvent($event)) {
             return false;
         }
         // begin gathering template arguments by getting event status
@@ -238,7 +238,7 @@ 
             : $this->loadTicketSelector($tickets, $template_args);
         // now set up the form (but not for the admin)
         $ticket_selector = $this->display_full_ui()
-            ? $this->formOpen($this->event->ID(), $external_url) . $ticket_selector
+            ? $this->formOpen($this->event->ID(), $external_url).$ticket_selector
             : $ticket_selector;
         // submit button and form close tag
         $ticket_selector .= $this->display_full_ui() ? $this->displaySubmitButton($external_url) : '';
@@ -286,10 +286,10 @@ 
      */
     protected function expiredEventMessage()
     {
-        return '<div class="ee-event-expired-notice"><span class="important-notice">' . esc_html__(
+        return '<div class="ee-event-expired-notice"><span class="important-notice">'.esc_html__(
             'We\'re sorry, but all tickets sales have ended because the event is expired.',
             'event_espresso'
-        ) . '</span></div><!-- .ee-event-expired-notice -->';
+        ).'</span></div><!-- .ee-event-expired-notice -->';
     }
 
 
@@ -319,7 +319,7 @@ 
         }
         return '
             <div class="ee-event-expired-notice">
-                <span class="important-notice">' . $no_ticket_available_msg . '</span>
+                <span class="important-notice">' . $no_ticket_available_msg.'</span>
             </div><!-- .ee-event-expired-notice -->';
     }
 
@@ -351,7 +351,7 @@ 
                 '</a></span></div><!-- .ee-attention ticketSalesClosedMessage -->'
             );
         }
-        return '<p><span class="important-notice">' . $sales_closed_msg . '</span></p>';
+        return '<p><span class="important-notice">'.$sales_closed_msg.'</span></p>';
     }
 
 
@@ -381,7 +381,7 @@ 
                 'Datetime.DTT_EVT_start' => 'DESC',
             ),
         );
-        if (! $show_expired_tickets) {
+        if ( ! $show_expired_tickets) {
             // use the correct applicable time query depending on what version of core is being run.
             $current_time = method_exists('EEM_Datetime', 'current_time_for_query')
                 ? time()
@@ -419,7 +419,7 @@ 
          */
         $template_args['anchor_id'] = apply_filters(
             'FHEE__EE_Ticket_Selector__redirect_anchor_id',
-            '#tkt-slctr-tbl-' . $this->event->ID(),
+            '#tkt-slctr-tbl-'.$this->event->ID(),
             $this->event->ID()
         );
         $template_args['tickets'] = $tickets;
@@ -505,8 +505,8 @@ 
         // if redirecting, we don't need any anything else
         if ($external_url) {
             $html = '<form method="GET" ';
-            $html .= 'action="' . EEH_URL::refactor_url($external_url) . '" ';
-            $html .= 'name="ticket-selector-form-' . $ID . '"';
+            $html .= 'action="'.EEH_URL::refactor_url($external_url).'" ';
+            $html .= 'name="ticket-selector-form-'.$ID.'"';
             // open link in new window ?
             $html .= apply_filters(
                 'FHEE__EventEspresso_modules_ticket_selector_DisplayTicketSelector__formOpen__external_url_target_blank',
@@ -518,17 +518,17 @@ 
             $html .= '>';
             $query_args = EEH_URL::get_query_string($external_url);
             foreach ((array) $query_args as $query_arg => $value) {
-                $html .= '<input type="hidden" name="' . $query_arg . '" value="' . $value . '">';
+                $html .= '<input type="hidden" name="'.$query_arg.'" value="'.$value.'">';
             }
             return $html;
         }
         // if there is no submit button, then don't start building a form
         // because the "View Details" button will build its own form
-        if (! apply_filters('FHEE__EE_Ticket_Selector__display_ticket_selector_submit', false)) {
+        if ( ! apply_filters('FHEE__EE_Ticket_Selector__display_ticket_selector_submit', false)) {
             return '';
         }
         $checkout_url = EEH_Event_View::event_link_url($ID);
-        if (! $checkout_url) {
+        if ( ! $checkout_url) {
             EE_Error::add_error(
                 esc_html__('The URL for the Event Details page could not be retrieved.', 'event_espresso'),
                 __FILE__,
@@ -539,8 +539,8 @@ 
         // set no cache headers and constants
         EE_System::do_not_cache();
         $html = '<form method="POST" ';
-        $html .= 'action="' . $checkout_url . '" ';
-        $html .= 'name="ticket-selector-form-' . $ID . '"';
+        $html .= 'action="'.$checkout_url.'" ';
+        $html .= 'name="ticket-selector-form-'.$ID.'"';
         $html .= $this->iframe ? ' target="_blank"' : '';
         $html .= '>';
         $html .= '<input type="hidden" name="ee" value="process_ticket_selections">';
@@ -566,7 +566,7 @@ 
                 $html .= empty($external_url)
                     ? $this->ticketSelectorEndDiv()
                     : $this->clearTicketSelector();
-                $html .= '<br/>' . $this->formClose();
+                $html .= '<br/>'.$this->formClose();
             } elseif ($this->getMaxAttendees() === 1) {
                 // its a "Dude Where's my Ticket Selector?" (DWMTS) type event (ie: $_max_atndz === 1)
                 if ($this->event->is_sold_out()) {
@@ -619,7 +619,7 @@ 
                 // no submit or view details button, and no additional content
                 $html .= $this->ticketSelectorEndDiv();
             }
-            if (! $this->iframe && ! is_archive()) {
+            if ( ! $this->iframe && ! is_archive()) {
                 $html .= EEH_Template::powered_by_event_espresso('', '', array('utm_content' => 'ticket_selector'));
             }
         }
@@ -649,14 +649,14 @@ 
             : '';
         $html = EEH_HTML::div(
             '',
-            'ticket-selector-submit-' . $this->event->ID() . '-btn-wrap',
+            'ticket-selector-submit-'.$this->event->ID().'-btn-wrap',
             'ticket-selector-submit-btn-wrap'
         );
-        $html .= '<input id="ticket-selector-submit-' . $this->event->ID() . '-btn"';
+        $html .= '<input id="ticket-selector-submit-'.$this->event->ID().'-btn"';
         $html .= ' class="ticket-selector-submit-btn ';
         $html .= empty($external_url) ? 'ticket-selector-submit-ajax"' : '"';
-        $html .= ' type="submit" value="' . $btn_text . '" data-ee-disable-after-recaptcha="true" />';
-        $html .= EEH_HTML::divx() . '<!-- .ticket-selector-submit-btn-wrap -->';
+        $html .= ' type="submit" value="'.$btn_text.'" data-ee-disable-after-recaptcha="true" />';
+        $html .= EEH_HTML::divx().'<!-- .ticket-selector-submit-btn-wrap -->';
         $html .= apply_filters(
             'FHEE__EE_Ticket_Selector__after_ticket_selector_submit',
             '',
@@ -679,7 +679,7 @@ 
      */
     public function displayViewDetailsButton($DWMTS = false)
     {
-        if (! $this->event->get_permalink()) {
+        if ( ! $this->event->get_permalink()) {
             EE_Error::add_error(
                 esc_html__('The URL for the Event Details page could not be retrieved.', 'event_espresso'),
                 __FILE__,
@@ -732,7 +732,7 @@ 
      */
     public function ticketSelectorEndDiv()
     {
-        return $this->clearTicketSelector() . '</div><!-- ticketSelectorEndDiv -->';
+        return $this->clearTicketSelector().'</div><!-- ticketSelectorEndDiv -->';
     }