JezK
Edit File: edit-form-blocks.php
<?php /** * The block editor page. * * @since 5.0.0 * * @package WordPress * @subpackage Administration */ // Don't load directly. if ( ! defined( 'ABSPATH' ) ) { die( '-1' ); } /** * @global string $post_type Global post type. * @global WP_Post_Type $post_type_object Global post type object. * @global WP_Post $post Global post object. * @global string $title The title of the current screen. * @global array $wp_meta_boxes Global meta box state. */ global $post_type, $post_type_object, $post, $title, $wp_meta_boxes; $block_editor_context = new WP_Block_Editor_Context( array( 'post' => $post ) ); // Flag that we're loading the block editor. $current_screen = get_current_screen(); $current_screen->is_block_editor( true ); // Default to is-fullscreen-mode to avoid jumps in the UI. add_filter( 'admin_body_class', static function ( $classes ) { return "$classes is-fullscreen-mode"; } ); /* * Emoji replacement is disabled for now, until it plays nicely with React. */ remove_action( 'admin_print_scripts', 'print_emoji_detection_script' ); /* * Block editor implements its own Options menu for toggling Document Panels. */ add_filter( 'screen_options_show_screen', '__return_false' ); wp_enqueue_script( 'heartbeat' ); wp_enqueue_script( 'wp-edit-post' ); $rest_path = rest_get_route_for_post( $post ); // Preload common data. $preload_paths = array( '/wp/v2/types?context=view', '/wp/v2/taxonomies?context=view', add_query_arg( array( 'context' => 'edit', 'per_page' => -1, ), rest_get_route_for_post_type_items( 'wp_block' ) ), add_query_arg( 'context', 'edit', $rest_path ), sprintf( '/wp/v2/types/%s?context=edit', $post_type ), '/wp/v2/users/me', array( rest_get_route_for_post_type_items( 'attachment' ), 'OPTIONS' ), array( rest_get_route_for_post_type_items( 'page' ), 'OPTIONS' ), array( rest_get_route_for_post_type_items( 'wp_block' ), 'OPTIONS' ), array( rest_get_route_for_post_type_items( 'wp_template' ), 'OPTIONS' ), sprintf( '%s/autosaves?context=edit', $rest_path ), '/wp/v2/settings', array( '/wp/v2/settings', 'OPTIONS' ), '/wp/v2/global-styles/themes/' . get_stylesheet(), '/wp/v2/themes?context=edit&status=active', '/wp/v2/global-styles/' . WP_Theme_JSON_Resolver::get_user_global_styles_post_id() . '?context=edit', ); block_editor_rest_api_preload( $preload_paths, $block_editor_context ); wp_add_inline_script( 'wp-blocks', sprintf( 'wp.blocks.setCategories( %s );', wp_json_encode( get_block_categories( $post ) ) ), 'after' ); /* * Assign initial edits, if applicable. These are not initially assigned to the persisted post, * but should be included in its save payload. */ $initial_edits = array(); $is_new_post = false; if ( 'auto-draft' === $post->post_status ) { $is_new_post = true; // Override "(Auto Draft)" new post default title with empty string, or filtered value. if ( post_type_supports( $post->post_type, 'title' ) ) { $initial_edits['title'] = $post->post_title; } if ( post_type_supports( $post->post_type, 'editor' ) ) { $initial_edits['content'] = $post->post_content; } if ( post_type_supports( $post->post_type, 'excerpt' ) ) { $initial_edits['excerpt'] = $post->post_excerpt; } } // Preload server-registered block schemas. wp_add_inline_script( 'wp-blocks', 'wp.blocks.unstable__bootstrapServerSideBlockDefinitions(' . wp_json_encode( get_block_editor_server_block_settings() ) . ');' ); // Get admin url for handling meta boxes. $meta_box_url = admin_url( 'post.php' ); $meta_box_url = add_query_arg( array( 'post' => $post->ID, 'action' => 'edit', 'meta-box-loader' => true, 'meta-box-loader-nonce' => wp_create_nonce( 'meta-box-loader' ), ), $meta_box_url ); wp_add_inline_script( 'wp-editor', sprintf( 'var _wpMetaBoxUrl = %s;', wp_json_encode( $meta_box_url ) ), 'before' ); /* * Get all available templates for the post/page attributes meta-box. * The "Default template" array element should only be added if the array is * not empty so we do not trigger the template select element without any options * besides the default value. */ $available_templates = wp_get_theme()->get_page_templates( get_post( $post->ID ) ); $available_templates = ! empty( $available_templates ) ? array_replace( array( /** This filter is documented in wp-admin/includes/meta-boxes.php */ '' => apply_filters( 'default_page_template_title', __( 'Default template' ), 'rest-api' ), ), $available_templates ) : $available_templates; // Lock settings. $user_id = wp_check_post_lock( $post->ID ); if ( $user_id ) { $locked = false; /** This filter is documented in wp-admin/includes/post.php */ if ( apply_filters( 'show_post_locked_dialog', true, $post, $user_id ) ) { $locked = true; } $user_details = null; if ( $locked ) { $user = get_userdata( $user_id ); $user_details = array( 'avatar' => get_avatar_url( $user_id, array( 'size' => 128 ) ), 'name' => $user->display_name, ); } $lock_details = array( 'isLocked' => $locked, 'user' => $user_details, ); } else { // Lock the post. $active_post_lock = wp_set_post_lock( $post->ID ); if ( $active_post_lock ) { $active_post_lock = esc_attr( implode( ':', $active_post_lock ) ); } $lock_details = array( 'isLocked' => false, 'activePostLock' => $active_post_lock, ); } /** * Filters the body placeholder text. * * @since 5.0.0 * @since 5.8.0 Changed the default placeholder text. * * @param string $text Placeholder text. Default 'Type / to choose a block'. * @param WP_Post $post Post object. */ $body_placeholder = apply_filters( 'write_your_story', __( 'Type / to choose a block' ), $post ); $editor_settings = array( 'availableTemplates' => $available_templates, 'disablePostFormats' => ! current_theme_supports( 'post-formats' ), /** This filter is documented in wp-admin/edit-form-advanced.php */ 'titlePlaceholder' => apply_filters( 'enter_title_here', __( 'Add title' ), $post ), 'bodyPlaceholder' => $body_placeholder, 'autosaveInterval' => AUTOSAVE_INTERVAL, 'richEditingEnabled' => user_can_richedit(), 'postLock' => $lock_details, 'postLockUtils' => array( 'nonce' => wp_create_nonce( 'lock-post_' . $post->ID ), 'unlockNonce' => wp_create_nonce( 'update-post_' . $post->ID ), 'ajaxUrl' => admin_url( 'admin-ajax.php' ), ), 'supportsLayout' => wp_theme_has_theme_json(), 'supportsTemplateMode' => current_theme_supports( 'block-templates' ), // Whether or not to load the 'postcustom' meta box is stored as a user meta // field so that we're not always loading its assets. 'enableCustomFields' => (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true ), ); // Add additional back-compat patterns registered by `current_screen` et al. $editor_settings['__experimentalAdditionalBlockPatterns'] = WP_Block_Patterns_Registry::get_instance()->get_all_registered( true ); $editor_settings['__experimentalAdditionalBlockPatternCategories'] = WP_Block_Pattern_Categories_Registry::get_instance()->get_all_registered( true ); $autosave = wp_get_post_autosave( $post->ID ); if ( $autosave ) { if ( mysql2date( 'U', $autosave->post_modified_gmt, false ) > mysql2date( 'U', $post->post_modified_gmt, false ) ) { $editor_settings['autosave'] = array( 'editLink' => get_edit_post_link( $autosave->ID ), ); } else { wp_delete_post_revision( $autosave->ID ); } } if ( ! empty( $post_type_object->template ) ) { $editor_settings['template'] = $post_type_object->template; $editor_settings['templateLock'] = ! empty( $post_type_object->template_lock ) ? $post_type_object->template_lock : false; } // If there's no template set on a new post, use the post format, instead. if ( $is_new_post && ! isset( $editor_settings['template'] ) && 'post' === $post->post_type ) { $post_format = get_post_format( $post ); if ( in_array( $post_format, array( 'audio', 'gallery', 'image', 'quote', 'video' ), true ) ) { $editor_settings['template'] = array( array( "core/$post_format" ) ); } } if ( wp_is_block_theme() && $editor_settings['supportsTemplateMode'] ) { $editor_settings['defaultTemplatePartAreas'] = get_allowed_block_template_part_areas(); } /** * Scripts */ wp_enqueue_media( array( 'post' => $post->ID, ) ); wp_tinymce_inline_scripts(); wp_enqueue_editor(); /** * Styles */ wp_enqueue_style( 'wp-edit-post' ); /** * Fires after block assets have been enqueued for the editing interface. * * Call `add_action` on any hook before 'admin_enqueue_scripts'. * * In the function call you supply, simply use `wp_enqueue_script` and * `wp_enqueue_style` to add your functionality to the block editor. * * @since 5.0.0 */ do_action( 'enqueue_block_editor_assets' ); // In order to duplicate classic meta box behavior, we need to run the classic meta box actions. require_once ABSPATH . 'wp-admin/includes/meta-boxes.php'; register_and_do_post_meta_boxes( $post ); // Check if the Custom Fields meta box has been removed at some point. $core_meta_boxes = $wp_meta_boxes[ $current_screen->id ]['normal']['core']; if ( ! isset( $core_meta_boxes['postcustom'] ) || ! $core_meta_boxes['postcustom'] ) { unset( $editor_settings['enableCustomFields'] ); } $editor_settings = get_block_editor_settings( $editor_settings, $block_editor_context ); $init_script = <<<JS ( function() { window._wpLoadBlockEditor = new Promise( function( resolve ) { wp.domReady( function() { resolve( wp.editPost.initializeEditor( 'editor', "%s", %d, %s, %s ) ); } ); } ); } )(); JS; $script = sprintf( $init_script, $post->post_type, $post->ID, wp_json_encode( $editor_settings ), wp_json_encode( $initial_edits ) ); wp_add_inline_script( 'wp-edit-post', $script ); if ( (int) get_option( 'page_for_posts' ) === $post->ID ) { add_action( 'admin_enqueue_scripts', '_wp_block_editor_posts_page_notice' ); } require_once ABSPATH . 'wp-admin/admin-header.php'; ?> <div class="block-editor"> <h1 class="screen-reader-text hide-if-no-js"><?php echo esc_html( $title ); ?></h1> <div id="editor" class="block-editor__container hide-if-no-js"></div> <div id="metaboxes" class="hidden"> <?php the_block_editor_meta_boxes(); ?> </div> <?php // JavaScript is disabled. ?> <div class="wrap hide-if-js block-editor-no-js"> <h1 class="wp-heading-inline"><?php echo esc_html( $title ); ?></h1> <?php if ( file_exists( WP_PLUGIN_DIR . '/classic-editor/classic-editor.php' ) ) { // If Classic Editor is already installed, provide a link to activate the plugin. $installed = true; $plugin_activate_url = wp_nonce_url( 'plugins.php?action=activate&plugin=classic-editor/classic-editor.php', 'activate-plugin_classic-editor/classic-editor.php' ); $message = sprintf( /* translators: %s: Link to activate the Classic Editor plugin. */ __( 'The block editor requires JavaScript. Please enable JavaScript in your browser settings, or activate the <a href="%s">Classic Editor plugin</a>.' ), esc_url( $plugin_activate_url ) ); } else { // If Classic Editor is not installed, provide a link to install it. $installed = false; $plugin_install_url = wp_nonce_url( self_admin_url( 'update.php?action=install-plugin&plugin=classic-editor' ), 'install-plugin_classic-editor' ); $message = sprintf( /* translators: %s: Link to install the Classic Editor plugin. */ __( 'The block editor requires JavaScript. Please enable JavaScript in your browser settings, or install the <a href="%s">Classic Editor plugin</a>.' ), esc_url( $plugin_install_url ) ); } /** * Filters the message displayed in the block editor interface when JavaScript is * not enabled in the browser. * * @since 5.0.3 * @since 6.4.0 Added `$installed` parameter. * * @param string $message The message being displayed. * @param WP_Post $post The post being edited. * @param bool $installed Whether the classic editor is installed. */ $message = apply_filters( 'block_editor_no_javascript_message', $message, $post, $installed ); wp_admin_notice( $message, array( 'type' => 'error', ) ); ?> </div> </div>