is_block_editor() || 'appearance_page_gutenberg-widgets' === $screen->id || ( function_exists( 'gutenberg_is_edit_site_page' ) && gutenberg_is_edit_site_page( $screen->id ) ) ); } /** * Whether or not to use the block editor to manage widgets. Defaults to true * unless a theme has removed support for widgets-block-editor or a plugin has * filtered the return value of this function. * * @return boolean Whether or not to use the block editor to manage widgets. */ function gutenberg_use_widgets_block_editor() { /** * Filters whether or not to use the block editor to manage widgets. * * @param boolean $use_widgets_block_editor Whether or not to use the block editor to manage widgets. */ return apply_filters( 'gutenberg_use_widgets_block_editor', get_theme_support( 'widgets-block-editor' ) ); } /** * Returns the settings required by legacy widgets blocks. * * @return array Legacy widget settings. */ function gutenberg_get_legacy_widget_settings() { $settings = array(); $widget_types_to_hide_from_legacy_widget_block = apply_filters( 'widget_types_to_hide_from_legacy_widget_block', array( 'pages', 'calendar', 'archives', 'media_audio', 'media_image', 'media_gallery', 'media_video', 'search', 'text', 'categories', 'recent-posts', 'recent-comments', 'rss', 'tag_cloud', 'custom_html', 'block', ) ); $settings['widgetTypesToHideFromLegacyWidgetBlock'] = $widget_types_to_hide_from_legacy_widget_block; return $settings; } /** * Overrides dynamic_sidebar_params to make sure Blocks are not wrapped in
tag. * * @param array $arg Dynamic sidebar params. * @return array Updated dynamic sidebar params. */ function gutenberg_override_sidebar_params_for_block_widget( $arg ) { if ( 'Block' === $arg[0]['widget_name'] ) { $arg[0]['before_form'] = ''; $arg[0]['before_widget_content'] = '
'; $arg[0]['after_widget_content'] = '
'; $arg[0]['after_form'] = '
'; } return $arg; } /** * Registers the WP_Widget_Block widget. */ function gutenberg_register_block_widget() { global $pagenow; register_widget( 'WP_Widget_Block' ); // By default every widget on widgets.php is wrapped with a
. This // means that you can sometimes end up with invalid HTML, e.g. when one of // the widgets is a Search block. To fix the problem, let's add a filter // that moves the form below the actual widget content. if ( 'widgets.php' === $pagenow ) { add_filter( 'dynamic_sidebar_params', 'gutenberg_override_sidebar_params_for_block_widget' ); } } add_action( 'widgets_init', 'gutenberg_register_block_widget' ); /** * Sets show_instance_in_rest to true on all of the core WP_Widget subclasses. * When merged to Core, this property should be added to WP_Widget and set to * true on each WP_Widget subclass. */ function gutenberg_set_show_instance_in_rest_on_core_widgets() { global $wp_widget_factory; $core_widgets = array( 'WP_Widget_Pages', 'WP_Widget_Calendar', 'WP_Widget_Archives', 'WP_Widget_Media_Audio', 'WP_Widget_Media_Image', 'WP_Widget_Media_Gallery', 'WP_Widget_Media_Video', 'WP_Widget_Meta', 'WP_Widget_Search', 'WP_Widget_Text', 'WP_Widget_Categories', 'WP_Widget_Recent_Posts', 'WP_Widget_Recent_Comments', 'WP_Widget_RSS', 'WP_Widget_Tag_Cloud', 'WP_Nav_Menu_Widget', 'WP_Widget_Custom_HTML', ); foreach ( $core_widgets as $widget ) { if ( isset( $wp_widget_factory->widgets[ $widget ] ) ) { $wp_widget_factory->widgets[ $widget ]->show_instance_in_rest = true; } } } if ( ! function_exists( 'wp_use_widgets_block_editor' ) ) { add_action( 'widgets_init', 'gutenberg_set_show_instance_in_rest_on_core_widgets' ); }