Ticket #12812: 12812.refresh.diff

wp-includes/nav-menu.php

@@ -459 +459 @@
  * @return object $menu_item The menu item with standard menu item properties.
  */
 function wp_setup_nav_menu_item( $menu_item ) {
+        global $post;
         if ( isset( $menu_item->post_type ) ) {
                 if ( 'nav_menu_item' == $menu_item->post_type ) {
                         $menu_item->db_id = (int) $menu_item->ID;
@@ -512 +513 @@
                         $menu_item->attr_title = strip_tags( $menu_item->post_excerpt );
                         $menu_item->description = strip_tags( $menu_item->post_content );
                         $menu_item->classes = '';
+                        if (isset($post)) { 
+                                if ( $menu_item->object_id == $post->ancestors[0] ) 
+                                        $menu_item->classes .= ' menu-item-parent'; 
+                                if ( in_array( $menu_item->object_id, array_values($post->ancestors) ) ) 
+                                        $menu_item->classes .= ' menu-item-ancestor'; 
+                        } 
                         $menu_item->xfn = '';
                 }
         } elseif ( isset( $menu_item->taxonomy ) ) {