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<title>[14876] trunk/wp-includes/nav-menu-template.php:
Add parent classes to nav menu.</title>
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<body>
<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/14876">14876</a></dd>
<dt>Author</dt> <dd>ryan</dd>
<dt>Date</dt> <dd>2010-05-25 13:30:10 +0000 (Tue, 25 May 2010)</dd>
</dl>
<h3>Log Message</h3>
<pre>Add parent classes to nav menu. Props filosofo. see <a href="http://trac.wordpress.org/ticket/12812">#12812</a></pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpincludesnavmenutemplatephp">trunk/wp-includes/nav-menu-template.php</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunkwpincludesnavmenutemplatephp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/nav-menu-template.php (14875 => 14876)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/nav-menu-template.php 2010-05-25 11:47:12 UTC (rev 14875)
+++ trunk/wp-includes/nav-menu-template.php 2010-05-25 13:30:10 UTC (rev 14876)
</span><span class="lines">@@ -70,25 +70,8 @@
</span><span class="cx">
</span><span class="cx"> $classes = $value = '';
</span><span class="cx">
</span><del>- $classes = array( 'menu-item', 'menu-item-type-'. $item->type, $item->classes );
</del><ins>+ $classes = array( 'menu-item', 'menu-item-type-'. $item->type, $item->classes, 'menu-item-object-'. $item->object );
</ins><span class="cx">
</span><del>- 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
-
</del><span class="cx"> $classes = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) );
</span><span class="cx"> $classes = ' class="' . esc_attr( $classes ) . '"';
</span><span class="cx">
</span><span class="lines">@@ -245,9 +228,13 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> // Set up the $menu_item variables
</span><ins>+ if ( 'frontend' == $args->context )
+ _wp_menu_item_classes_by_context( $menu_items );
+
</ins><span class="cx"> $sorted_menu_items = array();
</span><span class="cx"> foreach ( (array) $menu_items as $key => $menu_item )
</span><span class="cx"> $sorted_menu_items[$menu_item->menu_order] = $menu_item;
</span><ins>+
</ins><span class="cx"> unset($menu_items);
</span><span class="cx">
</span><span class="cx"> $items .= walk_nav_menu_tree( $sorted_menu_items, $args->depth, $args );
</span><span class="lines">@@ -279,6 +266,84 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> /**
</span><ins>+ * 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' );
+ }
+ }
+}
+
+/**
</ins><span class="cx"> * Retrieve the HTML list content for nav menu items.
</span><span class="cx"> *
</span><span class="cx"> * @uses Walker_Nav_Menu to create HTML list content.
</span></span></pre>
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