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   1  <?php
   2  /**
   3   * The block-based widgets editor, for use in widgets.php.
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   */
   8  
   9  // Don't load directly.
  10  if ( ! defined( 'ABSPATH' ) ) {
  11      die( '-1' );
  12  }
  13  
  14  // Flag that we're loading the block editor.
  15  $current_screen = get_current_screen();
  16  $current_screen->is_block_editor( true );
  17  
  18  $block_editor_context = new WP_Block_Editor_Context( array( 'name' => 'core/edit-widgets' ) );
  19  
  20  $preload_paths = array(
  21      array( rest_get_route_for_post_type_items( 'attachment' ), 'OPTIONS' ),
  22      '/wp/v2/widget-types?context=edit&per_page=-1',
  23      '/wp/v2/sidebars?context=edit&per_page=-1',
  24      '/wp/v2/widgets?context=edit&per_page=-1&_embed=about',
  25  );
  26  block_editor_rest_api_preload( $preload_paths, $block_editor_context );
  27  
  28  $editor_settings = get_block_editor_settings(
  29      array_merge( get_legacy_widget_block_editor_settings(), array( 'styles' => get_block_editor_theme_styles() ) ),
  30      $block_editor_context
  31  );
  32  
  33  // The widgets editor does not support the Block Directory, so don't load any of
  34  // its assets. This also prevents 'wp-editor' from being enqueued which we
  35  // cannot load in the widgets screen because many widget scripts rely on `wp.editor`.
  36  remove_action( 'enqueue_block_editor_assets', 'wp_enqueue_editor_block_directory_assets' );
  37  
  38  wp_add_inline_script(
  39      'wp-edit-widgets',
  40      sprintf(
  41          'wp.domReady( function() {
  42              wp.editWidgets.initialize( "widgets-editor", %s );
  43          } );',
  44          wp_json_encode( $editor_settings )
  45      )
  46  );
  47  
  48  // Preload server-registered block schemas.
  49  wp_add_inline_script(
  50      'wp-blocks',
  51      'wp.blocks.unstable__bootstrapServerSideBlockDefinitions(' . wp_json_encode( get_block_editor_server_block_settings() ) . ');'
  52  );
  53  
  54  wp_add_inline_script(
  55      'wp-blocks',
  56      sprintf( 'wp.blocks.setCategories( %s );', wp_json_encode( get_block_categories( $block_editor_context ) ) ),
  57      'after'
  58  );
  59  
  60  wp_enqueue_script( 'wp-edit-widgets' );
  61  wp_enqueue_script( 'admin-widgets' );
  62  wp_enqueue_style( 'wp-edit-widgets' );
  63  
  64  /** This action is documented in wp-admin/edit-form-blocks.php */
  65  do_action( 'enqueue_block_editor_assets' );
  66  
  67  /** This action is documented in wp-admin/widgets-form.php */
  68  do_action( 'sidebar_admin_setup' );
  69  
  70  require_once ABSPATH . 'wp-admin/admin-header.php';
  71  
  72  /** This action is documented in wp-admin/widgets-form.php */
  73  do_action( 'widgets_admin_page' );
  74  ?>
  75  
  76  <div id="widgets-editor" class="blocks-widgets-container"></div>
  77  
  78  <?php
  79  /** This action is documented in wp-admin/widgets-form.php */
  80  do_action( 'sidebar_admin_page' );
  81  
  82  require_once ABSPATH . 'wp-admin/admin-footer.php';