Changeset 42622 for branches/4.9/src/wp-includes/widgets/class-wp-widget-text.php

Timestamp:

01/30/2018 02:55:25 PM (7 years ago)

Author:

SergeyBiryukov

Message:

Customize: Ensure media playlists get initialized after selective refresh; expose new wp.playlist.initialize() API.

In particular allows audio and video playlists to be added to the Text widget and previewed.

Props bpayton, westonruter.
See #40854.
Merges [42613], [42617] to the 4.9 branch.
Fixes #42495.

Location:

branches/4.9

Files:

• . (modified) (1 prop)
• src/wp-includes/widgets/class-wp-widget-text.php (modified) (2 diffs)

branches/4.9/src/wp-includes/widgets/class-wp-widget-text.php

@@ -57 +57 @@
 
         wp_add_inline_script( 'text-widgets', sprintf( 'wp.textWidgets.idBases.push( %s );', wp_json_encode( $this->id_base ) ) );
+
+        if ( $this->is_preview() ) {
+            add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_preview_scripts' ) );
+        }
 
         // Note that the widgets component in the customizer will also do the 'admin_print_scripts-widgets.php' action in WP_Customize_Widgets::print_scripts().
@@ -388 +392 @@
 
         return $instance;
+    }
+
+    /**
+     * Enqueue preview scripts.
+     *
+     * These scripts normally are enqueued just-in-time when a playlist shortcode is used.
+     * However, in the customizer, a playlist shortcode may be used in a text widget and
+     * dynamically added via selective refresh, so it is important to unconditionally enqueue them.
+     *
+     * @since 4.9.3
+     */
+    public function enqueue_preview_scripts() {
+        require_once dirname( dirname( __FILE__ ) ) . '/media.php';
+
+        wp_playlist_scripts( 'audio' );
+        wp_playlist_scripts( 'video' );
     }