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<?php |
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namespace Carbon_Fields\Field; |
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/** |
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* WYSIWYG rich text area field class. |
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*/ |
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class Rich_Text_Field extends Textarea_Field { |
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/** |
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* All Rich Text Fields settings references. |
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* Used to prevent duplicated wp_editor initialization with the same settings. |
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* |
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* @var array |
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*/ |
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protected static $settings_references = []; |
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/** |
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* WP Editor settings |
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* |
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* @link https://developer.wordpress.org/reference/classes/_wp_editors/parse_settings/ |
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* @var array |
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*/ |
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protected $settings = array( |
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'media_buttons' => true, |
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'tinymce' => array( |
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'resize' => true, |
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'wp_autoresize_on' => true, |
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), |
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); |
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/** |
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* MD5 Hash of the instance settings |
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* |
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* @var string |
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*/ |
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protected $settings_hash = null; |
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/** |
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* WP Editor settings reference |
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* |
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* @var string |
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*/ |
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protected $settings_reference; |
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/** |
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* Set the editor settings |
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* |
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* @param array $settings |
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* @return self $this |
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*/ |
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public function set_settings( $settings ) { |
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$this->settings = array_merge( $this->settings, $settings ); |
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return $this; |
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} |
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/** |
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* Calc the settings hash |
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* |
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* @return string |
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*/ |
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protected function calc_settings_hash() { |
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return md5( json_encode( $this->settings ) ); |
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} |
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/** |
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* Get the editor settings reference |
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* |
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* @return string |
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*/ |
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protected function get_settings_reference() { |
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if ( is_null( $this->settings_hash ) ) { |
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$this->settings_hash = $this->calc_settings_hash(); |
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} |
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return 'carbon_fields_settings_' . $this->settings_hash; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function activate() { |
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parent::activate(); |
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add_action( 'admin_footer', array( $this, 'editor_init' ) ); |
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} |
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/** |
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* Display the editor. |
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* |
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* Instead of enqueueing all required scripts and stylesheets and setting up TinyMCE, |
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* wp_editor() automatically enqueues and sets up everything. |
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*/ |
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public function editor_init() { |
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if( in_array( $this->get_settings_reference(), self::$settings_references ) ) { |
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return; |
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} |
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self::$settings_references[] = $this->get_settings_reference(); |
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?> |
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<div style="display:none;"> |
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<?php |
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add_filter( 'user_can_richedit', '__return_true' ); |
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wp_editor( '', $this->get_settings_reference(), $this->settings ); |
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remove_filter( 'user_can_richedit', '__return_true' ); |
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?> |
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</div> |
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<?php |
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} |
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/** |
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* Display Upload Image Button |
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* |
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*/ |
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public function upload_image_button_html() { |
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$upload_image_button = '<a href="#" class="button insert-media add_media" data-editor="<%- id %>" title="Add Media"> |
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<span class="wp-media-buttons-icon"></span> Add Media |
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</a>'; |
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echo apply_filters( 'crb_upload_image_button_html', $upload_image_button, $this->base_name ); |
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} |
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/** |
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* Returns an array that holds the field data, suitable for JSON representation. |
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* |
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* @param bool $load Should the value be loaded from the database or use the value from the current instance. |
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* @return array |
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*/ |
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public function to_json( $load ) { |
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$field_data = parent::to_json( $load ); |
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$media_buttons = ''; |
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if ( $this->settings['media_buttons'] ) { |
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ob_start(); |
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remove_action( 'media_buttons', 'media_buttons' ); |
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$this->upload_image_button_html(); |
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do_action( 'media_buttons' ); |
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add_action( 'media_buttons', 'media_buttons' ); |
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$media_buttons = apply_filters( 'crb_media_buttons_html', ob_get_clean(), $this->base_name ); |
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} |
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$field_data = array_merge( $field_data, array( |
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'rich_editing' => user_can_richedit() && ! empty( $this->settings['tinymce'] ), |
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'media_buttons' => $media_buttons, |
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'settings_reference' => $this->get_settings_reference(), |
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) ); |
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return $field_data; |
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} |
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} |
htmlburger /
carbon-fields
