<?php /** * Editor class. * * @since 1.0.0 * * @package Envira_Gallery * @author Envira Gallery Team */ // Exit if accessed directly. if ( ! defined( 'ABSPATH' ) ) { exit; } /** * Editor Helper Class * * @since 1.0.0 */ class Envira_Gallery_Editor { /** * Holds the class object. * * @since 1.0.0 * * @var object */ public static $instance; /** * Path to the file. * * @since 1.0.0 * * @var string */ public $file = __FILE__; /** * Holds the base class object. * * @since 1.0.0 * * @var object */ public $base; /** * Flag to determine if media modal is loaded. * * @since 1.0.0 * * @var object */ public $loaded = false; /** * Primary class constructor. * * @since 1.0.0 */ public function __construct() { // Load the base class object. $this->base = Envira_Gallery_Lite::get_instance(); // Add a custom media button to the editor. add_action( 'media_buttons', [ $this, 'media_button' ] ); add_action( 'save_post', [ $this, 'save_gallery_ids' ], 9999 ); add_action( 'before_delete_post', [ $this, 'remove_gallery_ids' ] ); } /** * Adds a custom gallery insert button beside the media uploader button. * * @since 1.0.0 * * @param string $buttons The media buttons context HTML. * @return void */ public function media_button( $buttons ) { // Enqueue styles. wp_register_style( $this->base->plugin_slug . '-admin-style', plugins_url( 'assets/css/admin.css', $this->base->file ), [], $this->base->version ); wp_enqueue_style( $this->base->plugin_slug . '-admin-style' ); wp_register_style( $this->base->plugin_slug . '-editor-style', plugins_url( 'assets/css/editor.css', $this->base->file ), [], $this->base->version ); wp_enqueue_style( $this->base->plugin_slug . '-editor-style' ); // Enqueue the gallery / album selection script. wp_enqueue_script( $this->base->plugin_slug . '-gallery-select-script', plugins_url( 'assets/js/min/gallery-select-min.js', $this->base->file ), [ 'jquery' ], $this->base->version, true ); wp_localize_script( $this->base->plugin_slug . '-gallery-select-script', 'envira_gallery_select', [ 'get_galleries_nonce' => wp_create_nonce( 'envira-gallery-editor-get-galleries' ), 'modal_title' => __( 'Insert', 'envira-gallery-lite' ), 'insert_button_label' => __( 'Insert', 'envira-gallery-lite' ), ] ); // Enqueue the script that will trigger the editor button. wp_enqueue_script( $this->base->plugin_slug . '-editor-script', plugins_url( 'assets/js/min/editor-min.js', $this->base->file ), [ 'jquery' ], $this->base->version, true ); wp_localize_script( $this->base->plugin_slug . '-gallery-select-script', 'envira_gallery_editor', [ 'modal_title' => __( 'Insert', 'envira-gallery-lite' ), 'insert_button_label' => __( 'Insert', 'envira-gallery-lite' ), ] ); // Create the media button. $button = '<a id="envira-media-modal-button" href="#" class="button envira-gallery-choose-gallery" data-action="gallery" title="' . esc_attr__( 'Add Gallery', 'envira-gallery-lite' ) . '" > <span class="envira-media-icon"></span> ' . esc_html__( 'Add Gallery', 'envira-gallery-lite' ) . '</a>'; // Filter the button. $button = apply_filters( 'envira_gallery_media_button', $button, $buttons ); // Append the button. echo $button; // @codingStandardsIgnoreLine } /** * Checks for the existience of any Envira Gallery shortcodes in the Post's content, * storing this Post's ID in each Envira Gallery. * * This allows Envira's WP_List_Table to tell the user which Post(s) the Gallery is * included in. * * @since 1.3.3.6 * * @param int $post_id Post ID. */ public function save_gallery_ids( $post_id ) { $this->update_gallery_post_ids( $post_id, false ); } /** * Removes the given Post ID from all Envira Galleries that contain the Post ID * * @since 1.3.3.6 * * @param int $post_id Post ID. */ public function remove_gallery_ids( $post_id ) { $this->update_gallery_post_ids( $post_id, true ); } /** * Checks for Envira Gallery shortcodes in the given content. * * If found, adds or removes those shortcode IDs to the given Post ID * * @since 1.3.3.6 * * @param int $post_id Post ID. * @param bool $remove Remove Post ID from Gallery Meta (false). * @return bool */ private function update_gallery_post_ids( $post_id, $remove = false ) { // Get post. $post = get_post( $post_id ); if ( ! $post ) { return; } // Don't do anything if we are saving a Gallery or Album. if ( in_array( $post->post_type, [ 'envira', 'envira_album' ], true ) ) { return; } // Don't do anything if this is a Post Revision. if ( wp_is_post_revision( $post ) ) { return false; } // Check content for shortcodes. if ( ! has_shortcode( $post->post_content, 'envira-gallery' ) ) { return false; } // Content has Envira shortcode(s). // Extract them to get Gallery IDs. $pattern = '\[(\[?)(envira\-gallery)(?![\w-])([^\]\/]*(?:\/(?!\])[^\]\/]*)*?)(?:(\/)\]|\](?:([^\[]*+(?:\[(?!\/\2\])[^\[]*+)*+)\[\/\2\])?)(\]?)'; if ( ! preg_match_all( '/' . $pattern . '/s', $post->post_content, $matches ) ) { return false; } if ( ! is_array( $matches[3] ) ) { return false; } // Iterate through shortcode matches, extracting the gallery ID and storing it in the meta. $gallery_ids = []; foreach ( $matches[3] as $shortcode ) { // Grab ID. $gallery_ids[] = preg_replace( '/[^0-9]/', '', $shortcode ); } // Check we found gallery IDs. if ( ! $gallery_ids ) { return false; } // Iterate through each gallery. foreach ( $gallery_ids as $gallery_id ) { // Get Post IDs this Gallery is included in. $post_ids = get_post_meta( $gallery_id, '_eg_in_posts', true ); if ( ! is_array( $post_ids ) ) { $post_ids = []; } if ( $remove ) { // Remove the Post ID. if ( isset( $post_ids[ $post_id ] ) ) { unset( $post_ids[ $post_id ] ); } } else { // Add the Post ID. $post_ids[ $post_id ] = $post_id; } // Save. update_post_meta( $gallery_id, '_eg_in_posts', $post_ids ); } } /** * Returns the singleton instance of the class. * * @since 1.0.0 * * @return object The Envira_Gallery_Editor object. */ public static function get_instance() { if ( ! isset( self::$instance ) && ! ( self::$instance instanceof Envira_Gallery_Editor ) ) { self::$instance = new Envira_Gallery_Editor(); } return self::$instance; } } // Load the editor class. $envira_gallery_editor = Envira_Gallery_Editor::get_instance();
