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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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