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<?php |
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/** |
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* @file class-gravityview-field.php |
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* @package GravityView |
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* @subpackage includes\fields |
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*/ |
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/** |
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* Modify field settings by extending this class. |
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*/ |
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abstract class GravityView_Field { |
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/** |
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* The name of the GravityView field type |
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* Example: `created_by`, `text`, `fileupload`, `address`, `entry_link` |
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* @var string |
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*/ |
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public $name; |
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/** |
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* @internal Not yet implemented |
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* @since 1.15.2 |
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* @type string The description of the field in the field picker |
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*/ |
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public $description; |
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/** |
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* @since 1.15.2 |
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* @type string The label of the field in the field picker |
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*/ |
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public $label; |
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/** |
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* @var string The default search label used by the search widget, if not set |
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*/ |
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public $default_search_label; |
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/** |
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* `standard`, `advanced`, `post`, `pricing`, `meta`, `gravityview`, or `add-ons` |
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* |
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* @since 1.15.2 |
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* @type string The group belongs to this field in the field picker |
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*/ |
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public $group; |
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/** |
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* @internal Not yet implemented |
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* @type boolean Can the field be searched? |
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* @since 1.15.2 |
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*/ |
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public $is_searchable = true; |
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/** |
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* @internal Not yet implemented |
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* @type array $search_operators The type of search operators available for this field |
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* @since 1.15.2 |
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*/ |
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public $search_operators; |
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/** |
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* @type boolean Can the field be sorted in search? |
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* @since 1.15.2 |
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*/ |
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public $is_sortable = true; |
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/** |
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* @type boolean Is field content number-based? |
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* @since 1.15.2 |
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*/ |
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public $is_numeric; |
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/** |
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* @var null|string The key used to search and sort entry meta in Gravity Forms. Used if the field stores data as custom entry meta. |
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* @see https://www.gravityhelp.com/documentation/article/gform_entry_meta/ |
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* @since 1.19 |
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*/ |
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public $entry_meta_key = null; |
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/** |
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* @var string|array Optional. The callback function after entry meta is updated, only used if $entry_meta_key is set. |
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* @see https://www.gravityhelp.com/documentation/article/gform_entry_meta/ |
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* @since 1.19 |
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*/ |
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var $entry_meta_update_callback = null; |
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/** |
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* @var bool Whether to show meta when set to true automatically adds the column to the entry list, without having to edit and add the column for display |
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* @since 1.19 |
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*/ |
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var $entry_meta_is_default_column = false; |
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/** |
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* @internal Not yet implemented |
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* @todo implement supports_context() method |
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* The contexts in which a field is available. Some fields aren't editable, for example. |
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* - `singular` is an alias for both `single` and `edit` |
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* - `multiple` is an alias for `directory` (backward compatibility) |
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* @type array |
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* @since 1.15.2 |
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*/ |
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public $contexts = array( 'single', 'multiple', 'edit', 'export' ); |
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/** |
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* @var string An icon that represents the field type in the field picker |
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*/ |
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public $icon = 'dashicons-admin-generic'; |
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/** |
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* @since 1.15.2 |
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* @since 1.16.2.2 Changed access to public (previously, protected) |
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* @type string The name of a corresponding Gravity Forms GF_Field class, if exists |
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*/ |
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public $_gf_field_class_name; |
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/** |
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* @var string The field ID being requested |
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* @since 1.14 |
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*/ |
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protected $_field_id = ''; |
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/** |
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* @var string Field options to be rendered |
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* @since 1.14 |
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*/ |
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protected $_field_options = array(); |
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/** |
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* @var bool|string Name of merge tag (without curly brackets), if the field has custom GravityView merge tags to add. Otherwise, false. |
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* @since 1.16 |
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*/ |
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protected $_custom_merge_tag = false; |
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/** |
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* GravityView_Field constructor. |
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*/ |
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public function __construct() { |
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/** |
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* Modify the field options based on the name of the field type |
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* @see GravityView_Render_Settings::get_default_field_options |
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*/ |
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add_filter( sprintf( 'gravityview_template_%s_options', $this->name ), array( &$this, 'field_options' ), 10, 6 ); |
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add_filter( 'gravityview/sortable/field_blacklist', array( $this, '_filter_sortable_fields' ), 1 ); |
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if( $this->entry_meta_key ) { |
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add_filter( 'gform_entry_meta', array( $this, 'add_entry_meta' ) ); |
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add_filter( 'gravityview/common/sortable_fields', array( $this, 'add_sortable_field' ), 10, 2 ); |
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} |
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if( $this->_custom_merge_tag ) { |
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add_filter( 'gform_custom_merge_tags', array( $this, '_filter_gform_custom_merge_tags' ), 10, 4 ); |
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add_filter( 'gform_replace_merge_tags', array( $this, '_filter_gform_replace_merge_tags' ), 10, 7 ); |
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} |
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if( 'meta' === $this->group || '' !== $this->default_search_label ) { |
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add_filter( 'gravityview_search_field_label', array( $this, 'set_default_search_label' ), 10, 3 ); |
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} |
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/** |
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* Auto-assign label from Gravity Forms label, if exists |
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* @since 1.20 |
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*/ |
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if( empty( $this->label ) && ! empty( $this->_gf_field_class_name ) && class_exists( $this->_gf_field_class_name ) ) { |
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$this->label = ucfirst( GF_Fields::get( $this->name )->get_form_editor_field_title() ); |
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} |
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try { |
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GravityView_Fields::register( $this ); |
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} catch ( Exception $exception ) { |
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gravityview()->log->critical( $exception->getMessage() ); |
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} |
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} |
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/** |
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* Returns the field as an array to be used in field pickers |
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* |
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* @since 2.10 |
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* |
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* @return array[] |
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*/ |
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public function as_array() { |
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return array( |
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$this->name => array( |
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'label' => $this->label, |
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'desc' => $this->description, |
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'type' => $this->name, |
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'icon' => $this->icon, |
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'group' => $this->group, |
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), |
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); |
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} |
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/** |
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* Returns the icon for a field |
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* |
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* @since 2.10.1 |
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* |
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* @return string |
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*/ |
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public function get_icon() { |
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$icon = $this->icon; |
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if ( gravityview()->plugin->is_GF_25() && ! empty( $this->_gf_field_class_name ) && class_exists( $this->_gf_field_class_name ) ) { |
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/** @var GF_Field $gf_field */ |
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$gf_field = GF_Fields::get( $this->name ); |
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if( $gf_field && $gf_field instanceof GF_Field ) { |
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$icon = $gf_field->get_form_editor_field_icon(); |
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} |
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} |
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return $icon; |
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} |
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/** |
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* Add the field to the Filter & Sort available fields |
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* |
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* @since 1.19 |
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* |
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* @param array $fields Sub-set of GF form fields that are sortable |
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* |
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* @return array Modified $fields array to include approval status in the sorting dropdown |
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*/ |
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public function add_sortable_field( $fields ) { |
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$added_field = array( |
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'label' => $this->label, |
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'type' => $this->name |
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); |
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$fields["{$this->entry_meta_key}"] = $added_field; |
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return $fields; |
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} |
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/** |
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* Allow setting a default search label for search fields based on the field type |
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* |
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* Useful for entry meta "fields" that don't have Gravity Forms labels, like `created_by` |
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* |
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* @since 1.17.3 |
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* |
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* @param string $label Existing label text, sanitized. |
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* @param array $gf_field Gravity Forms field array, as returned by `GFFormsModel::get_field()` |
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* @param array $field Field setting as sent by the GV configuration - has `field`, `input` (input type), and `label` keys |
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* |
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* @return string |
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*/ |
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function set_default_search_label( $label = '', $gf_field = null, $field = array() ) { |
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if( $this->name === $field['field'] && '' === $label ) { |
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$label = esc_html( $this->default_search_label ); |
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} |
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return $label; |
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} |
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/** |
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* Match the merge tag in replacement text for the field. DO NOT OVERRIDE. |
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* |
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* @see replace_merge_tag Override replace_merge_tag() to handle any matches |
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* |
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* @since 1.16 |
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* |
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* @param string $text Text to replace |
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* @param array $form Gravity Forms form array |
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* @param array $entry Entry array |
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* @param bool $url_encode Whether to URL-encode output |
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* |
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* @return string Original text if {_custom_merge_tag} isn't found. Otherwise, replaced text. |
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*/ |
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public function _filter_gform_replace_merge_tags( $text, $form = array(), $entry = array(), $url_encode = false, $esc_html = false ) { |
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// Is there is field merge tag? Strip whitespace off the ned, too. |
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preg_match_all( '/{' . preg_quote( $this->_custom_merge_tag ) . ':?(.*?)(?:\s)?}/ism', $text, $matches, PREG_SET_ORDER ); |
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// If there are no matches, return original text |
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if ( empty( $matches ) ) { |
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return $text; |
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} |
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return $this->replace_merge_tag( $matches, $text, $form, $entry, $url_encode, $esc_html ); |
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} |
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288
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/** |
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* Run GravityView filters when using GFCommon::replace_variables() |
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* |
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* Instead of adding multiple hooks, add all hooks into this one method to improve speed |
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* |
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* @since 1.8.4 |
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* |
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* @see GFCommon::replace_variables() |
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* |
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* @param array $matches Array of Merge Tag matches found in text by preg_match_all |
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* @param string $text Text to replace |
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* @param array|bool $form Gravity Forms form array. When called inside {@see GFCommon::replace_variables()} (now deprecated), `false` |
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* @param array|bool $entry Entry array. When called inside {@see GFCommon::replace_variables()} (now deprecated), `false` |
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* @param bool $url_encode Whether to URL-encode output |
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* @param bool $esc_html Whether to apply `esc_html()` to output |
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* |
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* @return mixed |
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*/ |
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public function replace_merge_tag( $matches = array(), $text = '', $form = array(), $entry = array(), $url_encode = false, $esc_html = false ) { |
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308
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foreach( $matches as $match ) { |
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310
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$full_tag = $match[0]; |
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// Strip the Merge Tags |
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$tag = str_replace( array( '{', '}'), '', $full_tag ); |
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// Replace the value from the entry, if exists |
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if( isset( $entry[ $tag ] ) ) { |
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$value = $entry[ $tag ]; |
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if( is_callable( array( $this, 'get_content') ) ) { |
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$value = $this->get_content( $value ); |
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} |
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$text = str_replace( $full_tag, $value, $text ); |
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} |
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} |
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unset( $value, $tag, $full_tag ); |
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return $text; |
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} |
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/** |
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* Add custom merge tags to merge tag options. DO NOT OVERRIDE. |
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* |
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* @internal Not to be overridden by fields |
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* |
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* @since 1.8.4 |
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1 |
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* |
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* @param array $custom_merge_tags |
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1 |
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* @param int $form_id GF Form ID |
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1 |
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* @param GF_Field[] $fields Array of fields in the form |
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* @param string $element_id The ID of the input that Merge Tags are being used on |
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* |
345
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1 |
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* @return array Modified merge tags |
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*/ |
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public function _filter_gform_custom_merge_tags( $custom_merge_tags = array(), $form_id, $fields = array(), $element_id = '' ) { |
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349
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$form = GVCommon::get_form( $form_id ); |
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$field_merge_tags = $this->custom_merge_tags( $form, $fields ); |
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return array_merge( $custom_merge_tags, $field_merge_tags ); |
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} |
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356
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/** |
357
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163 |
|
* Add custom Merge Tags to Merge Tag options, if custom Merge Tags exist |
358
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|
* |
359
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163 |
|
* Should be overridden if there's more than one Merge Tag to add or if the Merge Tag isn't {_custom_merge_tag} |
360
|
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|
* |
361
|
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|
* @since 1.16 |
362
|
163 |
|
* |
363
|
163 |
|
* @param array $form GF Form array |
364
|
163 |
|
* @param GF_Field[] $fields Array of fields in the form |
365
|
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|
* |
366
|
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|
* @return array Merge tag array with `label` and `tag` keys based on class `label` and `_custom_merge_tag` variables |
367
|
163 |
|
*/ |
368
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|
protected function custom_merge_tags( $form = array(), $fields = array() ) { |
|
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369
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|
370
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|
// Use variables to make it unnecessary for other fields to override |
371
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163 |
|
$merge_tags = array( |
372
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|
array( |
373
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|
'label' => $this->label, |
374
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|
'tag' => '{' . $this->_custom_merge_tag . '}', |
375
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|
), |
376
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|
); |
377
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163 |
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|
378
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|
return $merge_tags; |
379
|
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|
} |
380
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|
381
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|
/** |
382
|
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|
* Use field settings to modify whether a field is sortable |
383
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|
* |
384
|
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|
* @see GravityView_frontend::is_field_sortable |
385
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|
* @since 1.15.3 |
386
|
|
|
* |
387
|
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|
* @param array $not_sortable Existing field types that aren't sortable |
388
|
|
|
* |
389
|
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|
* @return array |
390
|
|
|
*/ |
391
|
|
|
public function _filter_sortable_fields( $not_sortable ) { |
392
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|
393
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|
if( ! $this->is_sortable ) { |
394
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|
$not_sortable[] = $this->name; |
395
|
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|
} |
396
|
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|
397
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|
return $not_sortable; |
398
|
|
|
} |
399
|
|
|
|
400
|
|
|
/** |
401
|
|
|
* Add the custom entry meta key to make it searchable and sortable |
402
|
|
|
* |
403
|
|
|
* @see https://www.gravityhelp.com/documentation/article/gform_entry_meta/ |
404
|
|
|
* |
405
|
|
|
* @param array $entry_meta Array of custom entry meta keys with associative arrays |
406
|
|
|
* |
407
|
|
|
* @return mixed |
408
|
|
|
*/ |
409
|
|
|
function add_entry_meta( $entry_meta ) { |
|
|
|
|
410
|
|
|
|
411
|
|
|
if( ! isset( $entry_meta["{$this->entry_meta_key}"] ) ) { |
412
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|
|
413
|
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|
$added_meta = array( |
414
|
|
|
'label' => $this->label, |
415
|
|
|
'is_numeric' => $this->is_numeric, |
416
|
|
|
'is_default_column' => $this->entry_meta_is_default_column, |
417
|
|
|
); |
418
|
|
|
|
419
|
|
|
if ( $this->entry_meta_update_callback && is_callable( $this->entry_meta_update_callback ) ) { |
420
|
|
|
$added_meta['update_entry_meta_callback'] = $this->entry_meta_update_callback; |
421
|
|
|
} |
422
|
|
|
|
423
|
|
|
$entry_meta["{$this->entry_meta_key}"] = $added_meta; |
424
|
|
|
|
425
|
|
|
} else { |
426
|
|
|
gravityview()->log->error( 'Entry meta already set: {meta_key}', array( 'meta_key' => $this->entry_meta_key, 'data' => $entry_meta["{$this->entry_meta_key}"] ) ); |
427
|
|
|
} |
428
|
|
|
|
429
|
|
|
return $entry_meta; |
430
|
|
|
} |
431
|
|
|
|
432
|
|
|
private function field_support_options() { |
433
|
|
|
$options = array( |
434
|
|
|
'link_to_post' => array( |
435
|
|
|
'type' => 'checkbox', |
436
|
|
|
'label' => __( 'Link to the post', 'gravityview' ), |
437
|
|
|
'desc' => __( 'Link to the post created by the entry.', 'gravityview' ), |
438
|
|
|
'value' => false, |
439
|
|
|
'priority' => 1200, |
440
|
|
|
'group' => 'display', |
441
|
|
|
), |
442
|
|
|
'link_to_term' => array( |
443
|
|
|
'type' => 'checkbox', |
444
|
|
|
'label' => __( 'Link to the category or tag', 'gravityview' ), |
445
|
|
|
'desc' => __( 'Link to the current category or tag. "Link to single entry" must be unchecked.', 'gravityview' ), |
446
|
|
|
'value' => false, |
447
|
|
|
'priority' => 1210, |
448
|
|
|
'group' => 'display', |
449
|
|
|
), |
450
|
|
|
'dynamic_data' => array( |
451
|
|
|
'type' => 'checkbox', |
452
|
|
|
'label' => __( 'Use the live post data', 'gravityview' ), |
453
|
|
|
'desc' => __( 'Instead of using the entry data, instead use the current post data.', 'gravityview' ), |
454
|
|
|
'value' => true, |
455
|
|
|
'priority' => 1100, |
456
|
|
|
'group' => 'display', |
457
|
|
|
), |
458
|
|
|
'date_display' => array( |
459
|
|
|
'type' => 'text', |
460
|
|
|
'label' => __( 'Override Date Format', 'gravityview' ), |
461
|
|
|
'desc' => sprintf( __( 'Define how the date is displayed (using %sthe PHP date format%s)', 'gravityview'), '<a href="https://wordpress.org/support/article/formatting-date-and-time/" rel="external">', '</a>' ), |
462
|
|
|
/** |
463
|
|
|
* @filter `gravityview_date_format` Override the date format with a [PHP date format](https://codex.wordpress.org/Formatting_Date_and_Time) |
464
|
|
|
* @param[in,out] null|string $date_format Date Format (default: null) |
465
|
|
|
*/ |
466
|
|
|
'value' => apply_filters( 'gravityview_date_format', null ), |
467
|
|
|
'class' => 'code widefat', |
468
|
|
|
'priority' => 1500, |
469
|
|
|
'group' => 'display', |
470
|
|
|
), |
471
|
|
|
'new_window' => array( |
472
|
|
|
'type' => 'checkbox', |
473
|
|
|
'label' => __( 'Open link in a new tab or window?', 'gravityview' ), |
474
|
|
|
'value' => false, |
475
|
|
|
'group' => 'display', |
476
|
|
|
'priority' => 1300, |
477
|
|
|
), |
478
|
|
|
); |
479
|
|
|
|
480
|
|
|
/** |
481
|
|
|
* @filter `gravityview_field_support_options` Modify the settings that a field supports |
482
|
|
|
* @param array $options Options multidimensional array with each key being the input name, with each array setting having `type`, `label`, `desc` and `value` (default values) keys |
483
|
|
|
*/ |
484
|
|
|
return apply_filters( 'gravityview_field_support_options', $options ); |
485
|
|
|
} |
486
|
|
|
|
487
|
|
|
function add_field_support( $key = '', &$field_options ) { |
|
|
|
|
488
|
|
|
|
489
|
|
|
$options = $this->field_support_options(); |
490
|
|
|
|
491
|
|
|
if( isset( $options[ $key ] ) ) { |
492
|
|
|
$field_options[ $key ] = $options[ $key ]; |
493
|
|
|
} |
494
|
|
|
|
495
|
|
|
return $field_options; |
496
|
|
|
} |
497
|
|
|
|
498
|
|
|
/** |
499
|
|
|
* Tap in here to modify field options. |
500
|
|
|
* |
501
|
|
|
* Here's an example: |
502
|
|
|
* |
503
|
|
|
* <pre> |
504
|
|
|
* $field_options['name_display'] = array( |
505
|
|
|
* 'type' => 'select', |
506
|
|
|
* 'label' => __( 'User Format', 'gravityview' ), |
507
|
|
|
* 'desc' => __( 'How should the User information be displayed?', 'gravityview'), |
508
|
|
|
* 'choices' => array( |
509
|
|
|
* array( |
510
|
|
|
* 'value' => 'display_name', |
511
|
|
|
* 'label' => __('Display Name (Example: "Ellen Ripley")', 'gravityview'), |
512
|
|
|
* ), |
513
|
|
|
* array( |
514
|
|
|
* 'value' => 'user_login', |
515
|
|
|
* 'label' => __('Username (Example: "nostromo")', 'gravityview') |
516
|
|
|
* ), |
517
|
|
|
* 'value' => 'display_name' |
518
|
|
|
* ); |
519
|
|
|
* </pre> |
520
|
|
|
* |
521
|
|
|
* @param array $field_options [description] |
522
|
|
|
* @param string $template_id [description] |
523
|
|
|
* @param string $field_id [description] |
524
|
|
|
* @param string $context [description] |
525
|
|
|
* @param string $input_type [description] |
526
|
|
|
* @return array [description] |
527
|
|
|
*/ |
528
|
|
|
public function field_options( $field_options, $template_id, $field_id, $context, $input_type, $form_id ) { |
529
|
|
|
|
530
|
|
|
$this->_field_options = $field_options; |
531
|
|
|
$this->_field_id = $field_id; |
532
|
|
|
|
533
|
|
|
return $field_options; |
534
|
|
|
} |
535
|
|
|
|
536
|
|
|
/** |
537
|
|
|
* Check whether the `enableChoiceValue` flag is set for a GF field |
538
|
|
|
* |
539
|
|
|
* Gets the current form ID, gets the field at that ID, then checks for the enableChoiceValue value. |
540
|
|
|
* |
541
|
|
|
* @access protected |
542
|
|
|
* |
543
|
|
|
* @uses GFAPI::get_form |
544
|
|
|
* |
545
|
|
|
* @since 1.17 |
546
|
|
|
* |
547
|
|
|
* @return bool True: Enable Choice Value is active for field; False: not active, or form invalid, or form not found. |
548
|
|
|
*/ |
549
|
|
|
protected function is_choice_value_enabled() { |
550
|
|
|
|
551
|
|
|
// If "Add Field" button is processing, get the Form ID |
552
|
|
|
$connected_form = \GV\Utils::_POST( 'form_id' ); |
553
|
|
|
|
554
|
|
|
// Otherwise, get the Form ID from the Post page |
555
|
|
|
if( empty( $connected_form ) ) { |
556
|
|
|
$connected_form = gravityview_get_form_id( get_the_ID() ); |
557
|
|
|
} |
558
|
|
|
|
559
|
|
|
if( empty( $connected_form ) ) { |
560
|
|
|
gravityview()->log->error( 'Form not found for form ID "{form_id}"', array( 'form_id' => $connected_form ) ); |
561
|
|
|
return false; |
562
|
|
|
} |
563
|
|
|
|
564
|
|
|
$form = GFAPI::get_form( $connected_form ); |
565
|
|
|
|
566
|
|
|
if ( ! $form ) { |
567
|
|
|
gravityview()->log->error( 'Form not found for field ID of "{field_id}", when checking for a form with ID of "{form_id}"', array( 'field_id' => $this->_field_id, 'form_id' => $connected_form ) ); |
568
|
|
|
return false; |
569
|
|
|
} |
570
|
|
|
|
571
|
|
|
$field = gravityview_get_field( $form, $this->_field_id ); |
572
|
|
|
|
573
|
|
|
return ! empty( $field->enableChoiceValue ); |
574
|
|
|
} |
575
|
|
|
|
576
|
|
|
} |
577
|
|
|
|
In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
string
values, the empty string''
is a special case, in particular the following results might be unexpected: