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<?php/**
 * The block-based widgets editor, for use in widgets.php.
 *
 * @package WordPress
 * @subpackage Administration
 */
 
 // Don't load directly.
 if ( ! defined( 'ABSPATH' ) ) {
 die( '-1' );
 }
 
 // Flag that we're loading the block editor.
 $current_screen = get_current_screen();
 $current_screen->is_block_editor( true );
 
 $block_editor_context = new WP_Block_Editor_Context( array( 'name' => 'core/edit-widgets' ) );
 
 $preload_paths = array(
 array( rest_get_route_for_post_type_items( 'attachment' ), 'OPTIONS' ),
 '/wp/v2/widget-types?context=edit&per_page=-1',
 '/wp/v2/sidebars?context=edit&per_page=-1',
 '/wp/v2/widgets?context=edit&per_page=-1&_embed=about',
 );
 block_editor_rest_api_preload( $preload_paths, $block_editor_context );
 
 $editor_settings = get_block_editor_settings(
 array_merge( get_legacy_widget_block_editor_settings(), array( 'styles' => get_block_editor_theme_styles() ) ),
 $block_editor_context
 );
 
 // The widgets editor does not support the Block Directory, so don't load any of
 // its assets. This also prevents 'wp-editor' from being enqueued which we
 // cannot load in the widgets screen because many widget scripts rely on `wp.editor`.
 remove_action( 'enqueue_block_editor_assets', 'wp_enqueue_editor_block_directory_assets' );
 
 wp_add_inline_script(
 'wp-edit-widgets',
 sprintf(
 'wp.domReady( function() {
 wp.editWidgets.initialize( "widgets-editor", %s );
 } );',
 wp_json_encode( $editor_settings )
 )
 );
 
 // Preload server-registered block schemas.
 wp_add_inline_script(
 'wp-blocks',
 'wp.blocks.unstable__bootstrapServerSideBlockDefinitions(' . wp_json_encode( get_block_editor_server_block_settings() ) . ');'
 );
 
 // Preload server-registered block bindings sources.
 $registered_sources = get_all_registered_block_bindings_sources();
 if ( ! empty( $registered_sources ) ) {
 $filtered_sources = array();
 foreach ( $registered_sources as $source ) {
 $filtered_sources[] = array(
 'name'        => $source->name,
 'label'       => $source->label,
 'usesContext' => $source->uses_context,
 );
 }
 $script = sprintf( 'for ( const source of %s ) { wp.blocks.registerBlockBindingsSource( source ); }', wp_json_encode( $filtered_sources ) );
 wp_add_inline_script(
 'wp-blocks',
 $script
 );
 }
 
 wp_add_inline_script(
 'wp-blocks',
 sprintf( 'wp.blocks.setCategories( %s );', wp_json_encode( get_block_categories( $block_editor_context ) ) ),
 'after'
 );
 
 wp_enqueue_script( 'wp-edit-widgets' );
 wp_enqueue_script( 'admin-widgets' );
 wp_enqueue_style( 'wp-edit-widgets' );
 
 /** This action is documented in wp-admin/edit-form-blocks.php */
 do_action( 'enqueue_block_editor_assets' );
 
 /** This action is documented in wp-admin/widgets-form.php */
 do_action( 'sidebar_admin_setup' );
 
 require_once ABSPATH . 'wp-admin/admin-header.php';
 
 /** This action is documented in wp-admin/widgets-form.php */
 do_action( 'widgets_admin_page' );
 ?>
 
 <div id="widgets-editor" class="blocks-widgets-container">
 <?php // JavaScript is disabled. ?>
 <div class="wrap hide-if-js widgets-editor-no-js">
 <h1 class="wp-heading-inline"><?php echo esc_html( $title ); ?></h1>
 <?php
 if ( file_exists( WP_PLUGIN_DIR . '/classic-widgets/classic-widgets.php' ) ) {
 // If Classic Widgets is already installed, provide a link to activate the plugin.
 $installed           = true;
 $plugin_activate_url = wp_nonce_url( 'plugins.php?action=activate&plugin=classic-widgets/classic-widgets.php', 'activate-plugin_classic-widgets/classic-widgets.php' );
 $message             = sprintf(
 /* translators: %s: Link to activate the Classic Widgets plugin. */
 __( 'The block widgets require JavaScript. Please enable JavaScript in your browser settings, or activate the <a href="%s">Classic Widgets plugin</a>.' ),
 esc_url( $plugin_activate_url )
 );
 } else {
 // If Classic Widgets 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-widgets' ), 'install-plugin_classic-widgets' );
 $message            = sprintf(
 /* translators: %s: A link to install the Classic Widgets plugin. */
 __( 'The block widgets require JavaScript. Please enable JavaScript in your browser settings, or install the <a href="%s">Classic Widgets plugin</a>.' ),
 esc_url( $plugin_install_url )
 );
 }
 /**
 * Filters the message displayed in the block widget interface when JavaScript is
 * not enabled in the browser.
 *
 * @since 6.4.0
 *
 * @param string $message The message being displayed.
 * @param bool   $installed Whether the Classic Widget plugin is installed.
 */
 $message = apply_filters( 'block_widgets_no_javascript_message', $message, $installed );
 wp_admin_notice(
 $message,
 array(
 'type'               => 'error',
 'additional_classes' => array( 'hide-if-js' ),
 )
 );
 ?>
 </div>
 </div>
 
 <?php
 /** This action is documented in wp-admin/widgets-form.php */
 do_action( 'sidebar_admin_page' );
 
 require_once ABSPATH . 'wp-admin/admin-footer.php';
 
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