Changeset 14876

Timestamp:

05/25/2010 01:30:10 PM (15 years ago)

Author:

ryan

Message:

Add parent classes to nav menu. Props filosofo. see #12812

File:

• trunk/wp-includes/nav-menu-template.php (modified) (3 diffs)

trunk/wp-includes/nav-menu-template.php

@@ -71 +71 @@
         $classes = $value = '';
 
-        $classes = array( 'menu-item', 'menu-item-type-'. $item->type, $item->classes );
-
-        if ( 'custom' == $item->object ) {
-            $current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
-            $item_url = strpos( $item->url, '#' ) ? substr( $item->url, 0, strpos( $item->url, '#' ) ) : $item->url;
-            if ( $item_url == $current_url )
-                $classes[] = 'current-menu-item';
-        } else {
-            $classes[] = 'menu-item-object-'. $item->object;
-            if (
-                $item->object_id == $wp_query->get_queried_object_id() &&
-                ( ( 'post_type' == $item->type && $wp_query->is_singular ) ||
-                ( 'taxonomy' == $item->type && ( $wp_query->is_category || $wp_query->is_tag || $wp_query->is_tax ) ) ) 
-            )
-                $classes[] = 'current-menu-item';
-        }
-
-        // @todo add classes for parent/child relationships
+        $classes = array( 'menu-item', 'menu-item-type-'. $item->type, $item->classes, 'menu-item-object-'. $item->object );
 
         $classes = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) );
@@ -246 +229 @@
 
     // Set up the $menu_item variables
+    if ( 'frontend' == $args->context )
+        _wp_menu_item_classes_by_context( $menu_items );
+
     $sorted_menu_items = array();
     foreach ( (array) $menu_items as $key => $menu_item )
         $sorted_menu_items[$menu_item->menu_order] = $menu_item;
+    
     unset($menu_items);
 
@@ -280 +267 @@
 
 /**
+ * Add the class property classes for the current frontend context, if applicable.
+ *
+ * @access private
+ * @since 3.0
+ *
+ * @param array $menu_items The current menu item objects to which to add the class property information.
+ */
+function _wp_menu_item_classes_by_context( &$menu_items = array() ) {
+    global $wp_query;
+
+    $queried_object = $wp_query->get_queried_object();
+    $queried_object_id = (int) $wp_query->queried_object_id;
+
+    $active_object = '';
+    $active_parent_item_ids = array();
+    $active_parent_object_ids = array();
+    $possible_object_parents = array();
+    
+    if ( $wp_query->is_singular && ! empty( $queried_object->post_type ) && ! is_post_type_hierarchical( $queried_object->post_type ) ) {
+        foreach ( (array) get_object_taxonomies( $queried_object->post_type ) as $taxonomy ) {
+            if ( is_taxonomy_hierarchical( $taxonomy ) ) {
+                $terms = wp_get_object_terms( $queried_object_id, $taxonomy, array( 'fields' => 'ids' ) );
+                if ( is_array( $terms ) )
+                    $possible_object_parents = array_merge( $possible_object_parents, $terms );
+            }
+        }
+    }
+
+    $possible_object_parents = array_filter( $possible_object_parents );
+
+    foreach( (array) $menu_items as $key => $menu_item ) {
+        // if the menu item corresponds to a taxonomy term for the currently-queried non-hierarchical post object
+        if ( $wp_query->is_singular && 'taxonomy' == $menu_item->type && in_array( $menu_item->object_id, $possible_object_parents ) ) {
+            $active_parent_object_ids[] = (int) $menu_item->object_id;
+            $active_parent_item_ids[] = (int) $menu_item->db_id;
+            $active_object = $queried_object->post_type;
+        
+        // if the menu item corresponds to the currently-queried post or taxonomy object
+        } elseif (
+            $menu_item->object_id == $queried_object_id &&
+            ( 
+                ( 'post_type' == $menu_item->type && $wp_query->is_singular ) ||
+                ( 'taxonomy' == $menu_item->type && ( $wp_query->is_category || $wp_query->is_tag || $wp_query->is_tax ) ) 
+            ) 
+        ) {
+            $menu_items[$key]->classes = trim( $menu_item->classes . ' ' . 'current-menu-item' );
+            $active_parent_item_ids[] = (int) $menu_item->menu_item_parent;
+            $active_parent_object_ids[] = (int) $menu_item->post_parent;
+            $active_object = $menu_item->object;
+
+        // if the menu item corresponds to the currently-requested URL
+        } elseif ( 'custom' == $menu_item->object ) {
+            $current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
+            $item_url = strpos( $menu_item->url, '#' ) ? substr( $menu_item->url, 0, strpos( $menu_item->url, '#' ) ) : $menu_item->url;
+            if ( $item_url == $current_url ) {
+                $menu_items[$key]->classes = trim( $menu_item->classes . ' ' . 'current-menu-item' );
+                $active_parent_item_ids[] = (int) $menu_item->menu_item_parent;
+                $active_parent_object_ids[] = (int) $menu_item->post_parent;
+                $active_object = $menu_item->object;
+            }
+        }
+    }
+
+    $active_parent_item_ids = array_filter( array_unique( $active_parent_item_ids ) );
+    $active_parent_object_ids = array_filter( array_unique( $active_parent_object_ids ) );
+
+    // set parent's class
+    if ( ! empty( $active_parent_item_ids ) || ! empty( $active_parent_object_ids ) ) {
+        foreach( (array) $menu_items as $key => $parent_item ) {
+            if ( in_array( $parent_item->db_id, $active_parent_item_ids ) )
+                $menu_items[$key]->classes = trim( $parent_item->classes . ' ' . 'current-menu-parent' );
+            if ( in_array( $parent_item->object_id, $active_parent_object_ids ) )
+                $menu_items[$key]->classes = trim( $parent_item->classes . ' ' . 'current-' . $active_object . '-parent' );
+        }
+    }
+}
+
+/**
  * Retrieve the HTML list content for nav menu items.
  *