eventespresso / event-espresso-core

core/libraries/iframe_display/Iframe.php

Indentation +476 added lines, -476 removed lines

@@ -2,7 +2,7 @@ 
 namespace EventEspresso\core\libraries\iframe_display;
 
 if ( ! defined('EVENT_ESPRESSO_VERSION')) {
-    exit('No direct script access allowed');
+	exit('No direct script access allowed');
 }
 
 
@@ -18,508 +18,508 @@ 
 class Iframe
 {
 
-    /*
+	/*
     * HTML for notices and ajax gif
     * @var string $title
     */
-    protected $title = '';
+	protected $title = '';
 
-    /*
+	/*
     * HTML for the content being displayed
     * @var string $content
     */
-    protected $content = '';
+	protected $content = '';
 
-    /*
+	/*
     * whether or not to call wp_head() and wp_footer()
     * @var boolean $enqueue_wp_assets
     */
-    protected $enqueue_wp_assets = false;
+	protected $enqueue_wp_assets = false;
 
-    /*
+	/*
     * an array of CSS URLs
     * @var array $css
     */
-    protected $css = array();
+	protected $css = array();
 
-    /*
+	/*
     * an array of JS URLs to be set in the HTML header.
     * @var array $header_js
     */
-    protected $header_js = array();
+	protected $header_js = array();
 
-    /*
+	/*
     * an array of JS URLs to be displayed before the HTML </body> tag
     * @var array $footer_js
     */
-    protected $footer_js = array();
+	protected $footer_js = array();
 
-    /*
+	/*
     * an array of JSON vars to be set in the HTML header.
     * @var array $localized_vars
     */
-    protected $localized_vars = array();
-
-
-
-    /**
-     * Iframe constructor
-     *
-     * @param string $title
-     * @param string $content
-     * @throws \EE_Error
-     */
-    public function __construct($title, $content)
-    {
-        global $wp_version;
-        if ( ! defined('EE_IFRAME_DIR_URL')) {
-            define('EE_IFRAME_DIR_URL', plugin_dir_url(__FILE__));
-        }
-        $this->setContent($content);
-        $this->setTitle($title);
-        $this->addStylesheets(
-            apply_filters(
-                'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__construct__default_css',
-                array(
-                    'dashicons'        => includes_url('css/dashicons.min.css?ver=' . $wp_version),
-                    'espresso_default' => EE_GLOBAL_ASSETS_URL
-                                          . 'css/espresso_default.css?ver='
-                                          . EVENT_ESPRESSO_VERSION,
-                )
-            )
-        );
-        $this->addScripts(
-            apply_filters(
-                'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__construct__default_js',
-                array(
-                    'jquery'        => includes_url('js/jquery/jquery.js?ver=' . $wp_version),
-                    'espresso_core' => EE_GLOBAL_ASSETS_URL
-                                       . 'scripts/espresso_core.js?ver='
-                                       . EVENT_ESPRESSO_VERSION,
-                )
-            )
-        );
-    }
-
-
-
-    /**
-     * @param string $title
-     * @throws \EE_Error
-     */
-    public function setTitle($title)
-    {
-        if (empty($title)) {
-            throw new \EE_Error(
-                __('You must provide a page title in order to create an iframe.', 'event_espresso')
-            );
-        }
-        $this->title = $title;
-    }
-
-
-
-    /**
-     * @param string $content
-     * @throws \EE_Error
-     */
-    public function setContent($content)
-    {
-        if (empty($content)) {
-            throw new \EE_Error(
-                __('You must provide content in order to create an iframe.', 'event_espresso')
-            );
-        }
-        $this->content = $content;
-    }
-
-
-
-    /**
-     * @param boolean $enqueue_wp_assets
-     */
-    public function setEnqueueWpAssets($enqueue_wp_assets)
-    {
-        $this->enqueue_wp_assets = filter_var($enqueue_wp_assets, FILTER_VALIDATE_BOOLEAN);
-    }
-
-
-
-    /**
-     * @param array $stylesheets
-     * @throws \EE_Error
-     */
-    public function addStylesheets(array $stylesheets)
-    {
-        if (empty($stylesheets)) {
-            throw new \EE_Error(
-                __('A non-empty array of URLs, is required to add a CSS stylesheet to an iframe.', 'event_espresso')
-            );
-        }
-        foreach ($stylesheets as $handle => $stylesheet) {
-            $this->css[$handle] = $stylesheet;
-        }
-    }
-
-
-
-    /**
-     * @param array $scripts
-     * @param bool  $add_to_header
-     * @throws \EE_Error
-     */
-    public function addScripts(array $scripts, $add_to_header = false)
-    {
-        if (empty($scripts)) {
-            throw new \EE_Error(
-                __('A non-empty array of URLs, is required to add Javascript to an iframe.', 'event_espresso')
-            );
-        }
-        foreach ($scripts as $handle => $script) {
-            if ($add_to_header) {
-                $this->header_js[$handle] = $script;
-            } else {
-                $this->footer_js[$handle] = $script;
-            }
-        }
-    }
-
-
-
-    /**
-     * @param array  $vars
-     * @param string $var_name
-     * @throws \EE_Error
-     */
-    public function addLocalizedVars(array $vars, $var_name = 'eei18n')
-    {
-        if (empty($vars)) {
-            throw new \EE_Error(
-                __('A non-empty array of vars, is required to add localized Javascript vars to an iframe.',
-                    'event_espresso')
-            );
-        }
-        foreach ($vars as $handle => $var) {
-            if ($var_name === 'eei18n') {
-                \EE_Registry::$i18n_js_strings[$handle] = $var;
-            } else {
-                if ( ! isset($this->localized_vars[$var_name])) {
-                    $this->localized_vars[$var_name] = array();
-                }
-                $this->localized_vars[$var_name][$handle] = $var;
-            }
-        }
-    }
-
-
-
-    /**
-     * @return void
-     */
-    public function display()
-    {
-        echo $this->getTemplate();
-        exit;
-    }
-
-
-
-    /**
-     * @return string
-     */
-    public function getTemplate()
-    {
-        return \EEH_Template::display_template(
-            __DIR__ . '\iframe_wrapper.template.php',
-            array(
-                'title'             => apply_filters(
-                    'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__title',
-                    $this->title
-                ),
-                'content'           => apply_filters(
-                    'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__content',
-                    $this->content
-                ),
-                'enqueue_wp_assets' => apply_filters(
-                    'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__enqueue_wp_assets',
-                    $this->enqueue_wp_assets
-                ),
-                'css'               => (array)apply_filters(
-                    'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__css_urls',
-                    $this->css
-                ),
-                'header_js'         => (array)apply_filters(
-                    'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__header_js_urls',
-                    $this->header_js
-                ),
-                'footer_js'         => (array)apply_filters(
-                    'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__footer_js_urls',
-                    $this->footer_js
-                ),
-                'eei18n'            => apply_filters(
-                    'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__eei18n_js_strings',
-                    \EE_Registry::localize_i18n_js_strings() . $this->localizeJsonVars()
-                ),
-                'notices'           => \EEH_Template::display_template(
-                    EE_TEMPLATES . 'espresso-ajax-notices.template.php',
-                    array(),
-                    true
-                ),
-            ),
-            true
-        );
-    }
-
-
-
-    /**
-     * localizeJsonVars
-     *
-     * @return string
-     */
-    public function localizeJsonVars()
-    {
-        $JSON = '';
-        $localized_vars = (array)$this->localized_vars;
-        foreach ($localized_vars as $var_name => $vars) {
-            foreach ($vars as $key => $value) {
-                if (is_scalar($value)) {
-                    $localized_vars[$var_name][$key] = html_entity_decode((string)$value, ENT_QUOTES, 'UTF-8');
-                }
-            }
-            $JSON .= "/* <![CDATA[ */ var $var_name = " . wp_json_encode($localized_vars[$var_name]) . '; /* ]]> */';
-        }
-        return $JSON;
-    }
-
-
-
-    /**
-     * Adds an iframe embed code button to the Event editor.
-     *
-     * @param string $route_name the named module route that generates the iframe
-     */
-    public static function addEventEditorIframeEmbedButton($route_name)
-    {
-        // add button for iframe code to event editor.
-        add_filter(
-            'get_sample_permalink_html',
-            function ($permalink_string, $id, $new_title = '', $new_slug = '') use ($route_name) {
-                return Iframe::eventListIframeEmbedButton($permalink_string, $id, $new_title, $new_slug, $route_name);
-            },
-            10, 2
-        );
-        add_action(
-            'admin_enqueue_scripts',
-            array('\EventEspresso\core\libraries\iframe_display\Iframe', 'EventsAdminEmbedButtonAssets'),
-            10
-        );
-    }
-
-
-
-    /**
-     * iframe embed code button to the Event editor.
-     *
-     * @param string $permalink_string
-     * @param int    $id
-     * @param string $new_title  (unused)
-     * @param string $new_slug   (unused)
-     * @param string $route_name the named module route that generates the iframe
-     * @return string
-     */
-    public static function eventListIframeEmbedButton(
-        $permalink_string,
-        $id,
-        $new_title = '',
-        $new_slug = '',
-        $route_name = ''
-    ) {
-        //make sure this is ONLY when editing and the event id has been set.
-        if ( ! empty($id)) {
-            $post = get_post($id);
-            //if NOT event then let's get out.
-            if ($post->post_type !== 'espresso_events') {
-                return $permalink_string;
-            }
-            $permalink_string .= Iframe::embedButtonHtml(
-                'Event',
-                $route_name,
-                array('event' => $id),
-                'button-small'
-            );
-        }
-        return $permalink_string;
-    }
-
-
-
-    /**
-     * Adds an iframe embed code button to the Event editor.
-     *
-     * return string
-     */
-    public static function addEventListIframeEmbedButton()
-    {
-        // add button for iframe code to event editor.
-        $html = '';
-        //make sure this is ONLY when editing and the event id has been set.
-        if ($_GET['page'] === 'espresso_events') {
-            $html .= \EEH_HTML::h3(__('iFrame Embed Code', 'event_espresso'));
-            $html .= \EEH_HTML::p(
-                __('Click the following button(s) to generate iframe HTML that will allow you to embed your event content within the content of other websites.',
-                'event_espresso')
-            );
-            $html .= ' &nbsp; ' . Iframe::embedButtonHtml(
-                'Events List',
-                'event_list'
-            ) . ' ';
-            add_action(
-                'admin_enqueue_scripts',
-                array('\EventEspresso\core\libraries\iframe_display\Iframe', 'EventsAdminEmbedButtonAssets'),
-                10
-            );
-        }
-        return apply_filters(
-            'FHEE__Iframe__addEventListIframeEmbedButton__html',
-            $html
-        );
-    }
-
-
-
-    /**
-     * Adds an iframe embed code button via a WP do_action() as determined by the first parameter
-     *
-     * @param string $iframe_name
-     * @param string $route_name the named module route that generates the iframe
-     * @param string $action     name of the WP do_action() to hook into
-     */
-    public static function addActionIframeEmbedButton($iframe_name, $route_name, $action)
-    {
-        // add button for iframe code to event editor.
-        add_action(
-            $action,
-            function () use ($iframe_name, $route_name) {
-                echo Iframe::embedButtonHtml($iframe_name, $route_name);
-            },
-            10
-        );
-    }
-
-
-
-    /**
-     * Adds an iframe embed code button via a WP apply_filters() as determined by the first parameter
-     *
-     * @param string $iframe_name
-     * @param string $route_name the named module route that generates the iframe
-     * @param string $filter     name of the WP apply_filters() to hook into
-     * @param bool   $append     if true, will add iframe embed button to end of content,
-     *                           else if false, will add to the beginning of the content
-     */
-    public static function addFilterIframeEmbedButton($iframe_name, $route_name, $filter, $append = true)
-    {
-        // add button for iframe code to event editor.
-        add_action(
-            $filter,
-            function ($filterable_content) use ($iframe_name, $route_name, $append) {
-                $embedButtonHtml = Iframe::embedButtonHtml($iframe_name, $route_name);
-                if (is_array($filterable_content)) {
-                    $filterable_content = $append
-                        ? array_push($filterable_content, $embedButtonHtml)
-                        : array_unshift($filterable_content, $embedButtonHtml);
-                } else {
-                    $filterable_content = $append
-                        ? $filterable_content . $embedButtonHtml
-                        : $embedButtonHtml . $filterable_content;
-                }
-                return $filterable_content;
-            },
-            10
-        );
-    }
-
-
-
-    /**
-     * iframe_embed_html
-     *
-     * @param string $iframe_name
-     * @param string $route_name the named module route that generates the iframe
-     * @param array  $query_args
-     * @param string $button_class
-     * @return string
-     */
-    public static function embedButtonHtml($iframe_name, $route_name, $query_args = array(), $button_class = '')
-    {
-        $query_args = ! empty($query_args) ? $query_args : array($route_name => 'iframe');
-        // add this route to our localized vars
-        $iframe_module_routes = isset(\EE_Registry::$i18n_js_strings['iframe_module_routes'])
-            ? \EE_Registry::$i18n_js_strings['iframe_module_routes']
-            : array();
-        $iframe_module_routes[$route_name] = $route_name;
-        \EE_Registry::$i18n_js_strings['iframe_module_routes'] = $iframe_module_routes;
-        $iframe_embed_html = \EEH_HTML::link(
-            '#',
-            sprintf(__('Embed %1$s', 'event_espresso'), $iframe_name),
-            sprintf(
-                __(
-                    'click here to generate code for embedding an %1$s iframe into another site.',
-                    'event_espresso'
-                ),
-                $iframe_name
-            ),
-            "$route_name-iframe-embed-trigger-js",
-            'iframe-embed-trigger-js button ' . $button_class,
-            '',
-            ' data-iframe_embed_button="#' . $route_name . '-iframe-js" tabindex="-1"'
-        );
-        $iframe_embed_html .= \EEH_HTML::div('', "$route_name-iframe-js", 'iframe-embed-wrapper-js', 'display:none;');
-        $iframe_embed_html .= \EEH_HTML::div(
-            '<iframe src="' . add_query_arg($query_args, site_url()) . '" width="100%" height="100%"></iframe>',
-            '', '', 'width:100%; height: 500px;'
-        );
-        $iframe_embed_html .= \EEH_HTML::divx();
-        return $iframe_embed_html;
-    }
-
-
-
-    /**
-     * iframe button js on admin events list or event editor page
-     */
-    public static function EventsAdminEmbedButtonAssets()
-    {
-        if (\EE_Registry::instance()->REQ->get('page') === 'espresso_events') {
-            Iframe::embedButtonAssets();
-            \EE_Registry::$i18n_js_strings['iframe_embed_title'] = __(
-                'copy and paste the following into any other site\'s content to display this event:',
-                'event_espresso'
-            );
-        }
-    }
-
-
-
-    /**
-     * enqueue iframe button js
-     */
-    public static function embedButtonAssets()
-    {
-        \EE_Registry::$i18n_js_strings['iframe_embed_close_msg'] = __(
-            'click anywhere outside of this window to close it.',
-            'event_espresso'
-        );
-        wp_register_script(
-            'iframe_embed_button',
-            plugin_dir_url(__FILE__) . 'iframe-embed-button.js',
-            array('ee-dialog'),
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        wp_enqueue_script('iframe_embed_button');
-    }
+	protected $localized_vars = array();
+
+
+
+	/**
+	 * Iframe constructor
+	 *
+	 * @param string $title
+	 * @param string $content
+	 * @throws \EE_Error
+	 */
+	public function __construct($title, $content)
+	{
+		global $wp_version;
+		if ( ! defined('EE_IFRAME_DIR_URL')) {
+			define('EE_IFRAME_DIR_URL', plugin_dir_url(__FILE__));
+		}
+		$this->setContent($content);
+		$this->setTitle($title);
+		$this->addStylesheets(
+			apply_filters(
+				'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__construct__default_css',
+				array(
+					'dashicons'        => includes_url('css/dashicons.min.css?ver=' . $wp_version),
+					'espresso_default' => EE_GLOBAL_ASSETS_URL
+										  . 'css/espresso_default.css?ver='
+										  . EVENT_ESPRESSO_VERSION,
+				)
+			)
+		);
+		$this->addScripts(
+			apply_filters(
+				'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__construct__default_js',
+				array(
+					'jquery'        => includes_url('js/jquery/jquery.js?ver=' . $wp_version),
+					'espresso_core' => EE_GLOBAL_ASSETS_URL
+									   . 'scripts/espresso_core.js?ver='
+									   . EVENT_ESPRESSO_VERSION,
+				)
+			)
+		);
+	}
+
+
+
+	/**
+	 * @param string $title
+	 * @throws \EE_Error
+	 */
+	public function setTitle($title)
+	{
+		if (empty($title)) {
+			throw new \EE_Error(
+				__('You must provide a page title in order to create an iframe.', 'event_espresso')
+			);
+		}
+		$this->title = $title;
+	}
+
+
+
+	/**
+	 * @param string $content
+	 * @throws \EE_Error
+	 */
+	public function setContent($content)
+	{
+		if (empty($content)) {
+			throw new \EE_Error(
+				__('You must provide content in order to create an iframe.', 'event_espresso')
+			);
+		}
+		$this->content = $content;
+	}
+
+
+
+	/**
+	 * @param boolean $enqueue_wp_assets
+	 */
+	public function setEnqueueWpAssets($enqueue_wp_assets)
+	{
+		$this->enqueue_wp_assets = filter_var($enqueue_wp_assets, FILTER_VALIDATE_BOOLEAN);
+	}
+
+
+
+	/**
+	 * @param array $stylesheets
+	 * @throws \EE_Error
+	 */
+	public function addStylesheets(array $stylesheets)
+	{
+		if (empty($stylesheets)) {
+			throw new \EE_Error(
+				__('A non-empty array of URLs, is required to add a CSS stylesheet to an iframe.', 'event_espresso')
+			);
+		}
+		foreach ($stylesheets as $handle => $stylesheet) {
+			$this->css[$handle] = $stylesheet;
+		}
+	}
+
+
+
+	/**
+	 * @param array $scripts
+	 * @param bool  $add_to_header
+	 * @throws \EE_Error
+	 */
+	public function addScripts(array $scripts, $add_to_header = false)
+	{
+		if (empty($scripts)) {
+			throw new \EE_Error(
+				__('A non-empty array of URLs, is required to add Javascript to an iframe.', 'event_espresso')
+			);
+		}
+		foreach ($scripts as $handle => $script) {
+			if ($add_to_header) {
+				$this->header_js[$handle] = $script;
+			} else {
+				$this->footer_js[$handle] = $script;
+			}
+		}
+	}
+
+
+
+	/**
+	 * @param array  $vars
+	 * @param string $var_name
+	 * @throws \EE_Error
+	 */
+	public function addLocalizedVars(array $vars, $var_name = 'eei18n')
+	{
+		if (empty($vars)) {
+			throw new \EE_Error(
+				__('A non-empty array of vars, is required to add localized Javascript vars to an iframe.',
+					'event_espresso')
+			);
+		}
+		foreach ($vars as $handle => $var) {
+			if ($var_name === 'eei18n') {
+				\EE_Registry::$i18n_js_strings[$handle] = $var;
+			} else {
+				if ( ! isset($this->localized_vars[$var_name])) {
+					$this->localized_vars[$var_name] = array();
+				}
+				$this->localized_vars[$var_name][$handle] = $var;
+			}
+		}
+	}
+
+
+
+	/**
+	 * @return void
+	 */
+	public function display()
+	{
+		echo $this->getTemplate();
+		exit;
+	}
+
+
+
+	/**
+	 * @return string
+	 */
+	public function getTemplate()
+	{
+		return \EEH_Template::display_template(
+			__DIR__ . '\iframe_wrapper.template.php',
+			array(
+				'title'             => apply_filters(
+					'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__title',
+					$this->title
+				),
+				'content'           => apply_filters(
+					'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__content',
+					$this->content
+				),
+				'enqueue_wp_assets' => apply_filters(
+					'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__enqueue_wp_assets',
+					$this->enqueue_wp_assets
+				),
+				'css'               => (array)apply_filters(
+					'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__css_urls',
+					$this->css
+				),
+				'header_js'         => (array)apply_filters(
+					'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__header_js_urls',
+					$this->header_js
+				),
+				'footer_js'         => (array)apply_filters(
+					'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__footer_js_urls',
+					$this->footer_js
+				),
+				'eei18n'            => apply_filters(
+					'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__eei18n_js_strings',
+					\EE_Registry::localize_i18n_js_strings() . $this->localizeJsonVars()
+				),
+				'notices'           => \EEH_Template::display_template(
+					EE_TEMPLATES . 'espresso-ajax-notices.template.php',
+					array(),
+					true
+				),
+			),
+			true
+		);
+	}
+
+
+
+	/**
+	 * localizeJsonVars
+	 *
+	 * @return string
+	 */
+	public function localizeJsonVars()
+	{
+		$JSON = '';
+		$localized_vars = (array)$this->localized_vars;
+		foreach ($localized_vars as $var_name => $vars) {
+			foreach ($vars as $key => $value) {
+				if (is_scalar($value)) {
+					$localized_vars[$var_name][$key] = html_entity_decode((string)$value, ENT_QUOTES, 'UTF-8');
+				}
+			}
+			$JSON .= "/* <![CDATA[ */ var $var_name = " . wp_json_encode($localized_vars[$var_name]) . '; /* ]]> */';
+		}
+		return $JSON;
+	}
+
+
+
+	/**
+	 * Adds an iframe embed code button to the Event editor.
+	 *
+	 * @param string $route_name the named module route that generates the iframe
+	 */
+	public static function addEventEditorIframeEmbedButton($route_name)
+	{
+		// add button for iframe code to event editor.
+		add_filter(
+			'get_sample_permalink_html',
+			function ($permalink_string, $id, $new_title = '', $new_slug = '') use ($route_name) {
+				return Iframe::eventListIframeEmbedButton($permalink_string, $id, $new_title, $new_slug, $route_name);
+			},
+			10, 2
+		);
+		add_action(
+			'admin_enqueue_scripts',
+			array('\EventEspresso\core\libraries\iframe_display\Iframe', 'EventsAdminEmbedButtonAssets'),
+			10
+		);
+	}
+
+
+
+	/**
+	 * iframe embed code button to the Event editor.
+	 *
+	 * @param string $permalink_string
+	 * @param int    $id
+	 * @param string $new_title  (unused)
+	 * @param string $new_slug   (unused)
+	 * @param string $route_name the named module route that generates the iframe
+	 * @return string
+	 */
+	public static function eventListIframeEmbedButton(
+		$permalink_string,
+		$id,
+		$new_title = '',
+		$new_slug = '',
+		$route_name = ''
+	) {
+		//make sure this is ONLY when editing and the event id has been set.
+		if ( ! empty($id)) {
+			$post = get_post($id);
+			//if NOT event then let's get out.
+			if ($post->post_type !== 'espresso_events') {
+				return $permalink_string;
+			}
+			$permalink_string .= Iframe::embedButtonHtml(
+				'Event',
+				$route_name,
+				array('event' => $id),
+				'button-small'
+			);
+		}
+		return $permalink_string;
+	}
+
+
+
+	/**
+	 * Adds an iframe embed code button to the Event editor.
+	 *
+	 * return string
+	 */
+	public static function addEventListIframeEmbedButton()
+	{
+		// add button for iframe code to event editor.
+		$html = '';
+		//make sure this is ONLY when editing and the event id has been set.
+		if ($_GET['page'] === 'espresso_events') {
+			$html .= \EEH_HTML::h3(__('iFrame Embed Code', 'event_espresso'));
+			$html .= \EEH_HTML::p(
+				__('Click the following button(s) to generate iframe HTML that will allow you to embed your event content within the content of other websites.',
+				'event_espresso')
+			);
+			$html .= ' &nbsp; ' . Iframe::embedButtonHtml(
+				'Events List',
+				'event_list'
+			) . ' ';
+			add_action(
+				'admin_enqueue_scripts',
+				array('\EventEspresso\core\libraries\iframe_display\Iframe', 'EventsAdminEmbedButtonAssets'),
+				10
+			);
+		}
+		return apply_filters(
+			'FHEE__Iframe__addEventListIframeEmbedButton__html',
+			$html
+		);
+	}
+
+
+
+	/**
+	 * Adds an iframe embed code button via a WP do_action() as determined by the first parameter
+	 *
+	 * @param string $iframe_name
+	 * @param string $route_name the named module route that generates the iframe
+	 * @param string $action     name of the WP do_action() to hook into
+	 */
+	public static function addActionIframeEmbedButton($iframe_name, $route_name, $action)
+	{
+		// add button for iframe code to event editor.
+		add_action(
+			$action,
+			function () use ($iframe_name, $route_name) {
+				echo Iframe::embedButtonHtml($iframe_name, $route_name);
+			},
+			10
+		);
+	}
+
+
+
+	/**
+	 * Adds an iframe embed code button via a WP apply_filters() as determined by the first parameter
+	 *
+	 * @param string $iframe_name
+	 * @param string $route_name the named module route that generates the iframe
+	 * @param string $filter     name of the WP apply_filters() to hook into
+	 * @param bool   $append     if true, will add iframe embed button to end of content,
+	 *                           else if false, will add to the beginning of the content
+	 */
+	public static function addFilterIframeEmbedButton($iframe_name, $route_name, $filter, $append = true)
+	{
+		// add button for iframe code to event editor.
+		add_action(
+			$filter,
+			function ($filterable_content) use ($iframe_name, $route_name, $append) {
+				$embedButtonHtml = Iframe::embedButtonHtml($iframe_name, $route_name);
+				if (is_array($filterable_content)) {
+					$filterable_content = $append
+						? array_push($filterable_content, $embedButtonHtml)
+						: array_unshift($filterable_content, $embedButtonHtml);
+				} else {
+					$filterable_content = $append
+						? $filterable_content . $embedButtonHtml
+						: $embedButtonHtml . $filterable_content;
+				}
+				return $filterable_content;
+			},
+			10
+		);
+	}
+
+
+
+	/**
+	 * iframe_embed_html
+	 *
+	 * @param string $iframe_name
+	 * @param string $route_name the named module route that generates the iframe
+	 * @param array  $query_args
+	 * @param string $button_class
+	 * @return string
+	 */
+	public static function embedButtonHtml($iframe_name, $route_name, $query_args = array(), $button_class = '')
+	{
+		$query_args = ! empty($query_args) ? $query_args : array($route_name => 'iframe');
+		// add this route to our localized vars
+		$iframe_module_routes = isset(\EE_Registry::$i18n_js_strings['iframe_module_routes'])
+			? \EE_Registry::$i18n_js_strings['iframe_module_routes']
+			: array();
+		$iframe_module_routes[$route_name] = $route_name;
+		\EE_Registry::$i18n_js_strings['iframe_module_routes'] = $iframe_module_routes;
+		$iframe_embed_html = \EEH_HTML::link(
+			'#',
+			sprintf(__('Embed %1$s', 'event_espresso'), $iframe_name),
+			sprintf(
+				__(
+					'click here to generate code for embedding an %1$s iframe into another site.',
+					'event_espresso'
+				),
+				$iframe_name
+			),
+			"$route_name-iframe-embed-trigger-js",
+			'iframe-embed-trigger-js button ' . $button_class,
+			'',
+			' data-iframe_embed_button="#' . $route_name . '-iframe-js" tabindex="-1"'
+		);
+		$iframe_embed_html .= \EEH_HTML::div('', "$route_name-iframe-js", 'iframe-embed-wrapper-js', 'display:none;');
+		$iframe_embed_html .= \EEH_HTML::div(
+			'<iframe src="' . add_query_arg($query_args, site_url()) . '" width="100%" height="100%"></iframe>',
+			'', '', 'width:100%; height: 500px;'
+		);
+		$iframe_embed_html .= \EEH_HTML::divx();
+		return $iframe_embed_html;
+	}
+
+
+
+	/**
+	 * iframe button js on admin events list or event editor page
+	 */
+	public static function EventsAdminEmbedButtonAssets()
+	{
+		if (\EE_Registry::instance()->REQ->get('page') === 'espresso_events') {
+			Iframe::embedButtonAssets();
+			\EE_Registry::$i18n_js_strings['iframe_embed_title'] = __(
+				'copy and paste the following into any other site\'s content to display this event:',
+				'event_espresso'
+			);
+		}
+	}
+
+
+
+	/**
+	 * enqueue iframe button js
+	 */
+	public static function embedButtonAssets()
+	{
+		\EE_Registry::$i18n_js_strings['iframe_embed_close_msg'] = __(
+			'click anywhere outside of this window to close it.',
+			'event_espresso'
+		);
+		wp_register_script(
+			'iframe_embed_button',
+			plugin_dir_url(__FILE__) . 'iframe-embed-button.js',
+			array('ee-dialog'),
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		wp_enqueue_script('iframe_embed_button');
+	}
 
 
 

Spacing +22 added lines, -22 removed lines

@@ -81,7 +81,7 @@ 
             apply_filters(
                 'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__construct__default_css',
                 array(
-                    'dashicons'        => includes_url('css/dashicons.min.css?ver=' . $wp_version),
+                    'dashicons'        => includes_url('css/dashicons.min.css?ver='.$wp_version),
                     'espresso_default' => EE_GLOBAL_ASSETS_URL
                                           . 'css/espresso_default.css?ver='
                                           . EVENT_ESPRESSO_VERSION,
@@ -92,7 +92,7 @@ 
             apply_filters(
                 'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__construct__default_js',
                 array(
-                    'jquery'        => includes_url('js/jquery/jquery.js?ver=' . $wp_version),
+                    'jquery'        => includes_url('js/jquery/jquery.js?ver='.$wp_version),
                     'espresso_core' => EE_GLOBAL_ASSETS_URL
                                        . 'scripts/espresso_core.js?ver='
                                        . EVENT_ESPRESSO_VERSION,
@@ -230,7 +230,7 @@ 
     public function getTemplate()
     {
         return \EEH_Template::display_template(
-            __DIR__ . '\iframe_wrapper.template.php',
+            __DIR__.'\iframe_wrapper.template.php',
             array(
                 'title'             => apply_filters(
                     'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__title',
@@ -244,24 +244,24 @@ 
                     'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__enqueue_wp_assets',
                     $this->enqueue_wp_assets
                 ),
-                'css'               => (array)apply_filters(
+                'css'               => (array) apply_filters(
                     'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__css_urls',
                     $this->css
                 ),
-                'header_js'         => (array)apply_filters(
+                'header_js'         => (array) apply_filters(
                     'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__header_js_urls',
                     $this->header_js
                 ),
-                'footer_js'         => (array)apply_filters(
+                'footer_js'         => (array) apply_filters(
                     'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__footer_js_urls',
                     $this->footer_js
                 ),
                 'eei18n'            => apply_filters(
                     'FHEE__\EventEspresso\core\libraries\iframe_display\Iframe__getTemplate__eei18n_js_strings',
-                    \EE_Registry::localize_i18n_js_strings() . $this->localizeJsonVars()
+                    \EE_Registry::localize_i18n_js_strings().$this->localizeJsonVars()
                 ),
                 'notices'           => \EEH_Template::display_template(
-                    EE_TEMPLATES . 'espresso-ajax-notices.template.php',
+                    EE_TEMPLATES.'espresso-ajax-notices.template.php',
                     array(),
                     true
                 ),
@@ -280,14 +280,14 @@ 
     public function localizeJsonVars()
     {
         $JSON = '';
-        $localized_vars = (array)$this->localized_vars;
+        $localized_vars = (array) $this->localized_vars;
         foreach ($localized_vars as $var_name => $vars) {
             foreach ($vars as $key => $value) {
                 if (is_scalar($value)) {
-                    $localized_vars[$var_name][$key] = html_entity_decode((string)$value, ENT_QUOTES, 'UTF-8');
+                    $localized_vars[$var_name][$key] = html_entity_decode((string) $value, ENT_QUOTES, 'UTF-8');
                 }
             }
-            $JSON .= "/* <![CDATA[ */ var $var_name = " . wp_json_encode($localized_vars[$var_name]) . '; /* ]]> */';
+            $JSON .= "/* <![CDATA[ */ var $var_name = ".wp_json_encode($localized_vars[$var_name]).'; /* ]]> */';
         }
         return $JSON;
     }
@@ -304,7 +304,7 @@ 
         // add button for iframe code to event editor.
         add_filter(
             'get_sample_permalink_html',
-            function ($permalink_string, $id, $new_title = '', $new_slug = '') use ($route_name) {
+            function($permalink_string, $id, $new_title = '', $new_slug = '') use ($route_name) {
                 return Iframe::eventListIframeEmbedButton($permalink_string, $id, $new_title, $new_slug, $route_name);
             },
             10, 2
@@ -370,10 +370,10 @@ 
                 __('Click the following button(s) to generate iframe HTML that will allow you to embed your event content within the content of other websites.',
                 'event_espresso')
             );
-            $html .= ' &nbsp; ' . Iframe::embedButtonHtml(
+            $html .= ' &nbsp; '.Iframe::embedButtonHtml(
                 'Events List',
                 'event_list'
-            ) . ' ';
+            ).' ';
             add_action(
                 'admin_enqueue_scripts',
                 array('\EventEspresso\core\libraries\iframe_display\Iframe', 'EventsAdminEmbedButtonAssets'),
@@ -400,7 +400,7 @@ 
         // add button for iframe code to event editor.
         add_action(
             $action,
-            function () use ($iframe_name, $route_name) {
+            function() use ($iframe_name, $route_name) {
                 echo Iframe::embedButtonHtml($iframe_name, $route_name);
             },
             10
@@ -423,7 +423,7 @@ 
         // add button for iframe code to event editor.
         add_action(
             $filter,
-            function ($filterable_content) use ($iframe_name, $route_name, $append) {
+            function($filterable_content) use ($iframe_name, $route_name, $append) {
                 $embedButtonHtml = Iframe::embedButtonHtml($iframe_name, $route_name);
                 if (is_array($filterable_content)) {
                     $filterable_content = $append
@@ -431,8 +431,8 @@ 
                         : array_unshift($filterable_content, $embedButtonHtml);
                 } else {
                     $filterable_content = $append
-                        ? $filterable_content . $embedButtonHtml
-                        : $embedButtonHtml . $filterable_content;
+                        ? $filterable_content.$embedButtonHtml
+                        : $embedButtonHtml.$filterable_content;
                 }
                 return $filterable_content;
             },
@@ -471,13 +471,13 @@ 
                 $iframe_name
             ),
             "$route_name-iframe-embed-trigger-js",
-            'iframe-embed-trigger-js button ' . $button_class,
+            'iframe-embed-trigger-js button '.$button_class,
             '',
-            ' data-iframe_embed_button="#' . $route_name . '-iframe-js" tabindex="-1"'
+            ' data-iframe_embed_button="#'.$route_name.'-iframe-js" tabindex="-1"'
         );
         $iframe_embed_html .= \EEH_HTML::div('', "$route_name-iframe-js", 'iframe-embed-wrapper-js', 'display:none;');
         $iframe_embed_html .= \EEH_HTML::div(
-            '<iframe src="' . add_query_arg($query_args, site_url()) . '" width="100%" height="100%"></iframe>',
+            '<iframe src="'.add_query_arg($query_args, site_url()).'" width="100%" height="100%"></iframe>',
             '', '', 'width:100%; height: 500px;'
         );
         $iframe_embed_html .= \EEH_HTML::divx();
@@ -513,7 +513,7 @@ 
         );
         wp_register_script(
             'iframe_embed_button',
-            plugin_dir_url(__FILE__) . 'iframe-embed-button.js',
+            plugin_dir_url(__FILE__).'iframe-embed-button.js',
             array('ee-dialog'),
             EVENT_ESPRESSO_VERSION,
             true