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<title>[15221] trunk/wp-includes/nav-menu-template.php:
  add ancestor classes for taxonomy objects, props filosofo, fixes #13831</title>
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<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/15221">15221</a></dd>
<dt>Author</dt> <dd>wpmuguru</dd>
<dt>Date</dt> <dd>2010-06-11 16:00:29 +0000 (Fri, 11 Jun 2010)</dd>
</dl>

<h3>Log Message</h3>
<pre>add ancestor classes for taxonomy objects, props filosofo, fixes <a href="http://trac.wordpress.org/ticket/13831">#13831</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 (15220 => 15221)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/nav-menu-template.php        2010-06-11 15:53:41 UTC (rev 15220)
+++ trunk/wp-includes/nav-menu-template.php        2010-06-11 16:00:29 UTC (rev 15221)
</span><span class="lines">@@ -250,19 +250,58 @@
</span><span class="cx">         $active_object = '';
</span><span class="cx">         $active_parent_item_ids = array();
</span><span class="cx">         $active_parent_object_ids = array();
</span><ins>+        $possible_taxonomy_ancestors = array();
</ins><span class="cx">         $possible_object_parents = array();
</span><span class="cx">         $home_page_id = (int) get_option( 'page_for_posts' );
</span><span class="cx"> 
</span><span class="cx">         if ( $wp_query-&gt;is_singular &amp;&amp; ! empty( $queried_object-&gt;post_type ) &amp;&amp; ! is_post_type_hierarchical( $queried_object-&gt;post_type ) ) {
</span><span class="cx">                 foreach ( (array) get_object_taxonomies( $queried_object-&gt;post_type ) as $taxonomy ) {
</span><span class="cx">                         if ( is_taxonomy_hierarchical( $taxonomy ) ) {
</span><ins>+                                $term_hierarchy = _get_term_hierarchy( $taxonomy );
</ins><span class="cx">                                 $terms = wp_get_object_terms( $queried_object_id, $taxonomy, array( 'fields' =&gt; 'ids' ) );
</span><del>-                                if ( is_array( $terms ) )
</del><ins>+                                if ( is_array( $terms ) ) {
</ins><span class="cx">                                         $possible_object_parents = array_merge( $possible_object_parents, $terms );
</span><ins>+                                        $term_to_ancestor = array();
+                                        foreach ( (array) $term_hierarchy as $anc =&gt; $descs ) {
+                                                foreach ( (array) $descs as $desc )
+                                                        $term_to_ancestor[ $desc ] = $anc;
+                                        }
+                                        
+                                        foreach ( $terms as $desc ) {
+                                                do {
+                                                        $possible_taxonomy_ancestors[ $taxonomy ][] = $desc;
+                                                        if ( isset( $term_to_ancestor[ $desc ] ) ) {
+                                                                $_desc = $term_to_ancestor[ $desc ];
+                                                                unset( $term_to_ancestor[ $desc ] );
+                                                                $desc = $_desc;
+                                                        } else {
+                                                                $desc = 0;
+                                                        }
+                                                } while ( ! empty( $desc ) );
+                                        }
+                                }
</ins><span class="cx">                         }
</span><span class="cx">                 }
</span><span class="cx">         } elseif ( ! empty( $queried_object-&gt;post_type ) &amp;&amp; is_post_type_hierarchical( $queried_object-&gt;post_type ) ) {
</span><span class="cx">                 _get_post_ancestors( $queried_object );
</span><ins>+        } elseif ( ! empty( $queried_object-&gt;taxonomy ) &amp;&amp; is_taxonomy_hierarchical( $queried_object-&gt;taxonomy ) ) {
+                $term_hierarchy = _get_term_hierarchy( $queried_object-&gt;taxonomy );
+                $term_to_ancestor = array();
+                foreach ( (array) $term_hierarchy as $anc =&gt; $descs ) {
+                        foreach ( (array) $descs as $desc )
+                                $term_to_ancestor[ $desc ] = $anc;
+                }
+                $desc = $queried_object-&gt;term_id;
+                do {
+                        $possible_taxonomy_ancestors[ $queried_object-&gt;taxonomy ][] = $desc;
+                        if ( isset( $term_to_ancestor[ $desc ] ) ) {
+                                $_desc = $term_to_ancestor[ $desc ];
+                                unset( $term_to_ancestor[ $desc ] );
+                                $desc = $_desc;
+                        } else {
+                                $desc = 0;
+                        }
+                } while ( ! empty( $desc ) );
</ins><span class="cx">         }
</span><span class="cx"> 
</span><span class="cx">         $possible_object_parents = array_filter( $possible_object_parents );
</span><span class="lines">@@ -331,14 +370,27 @@
</span><span class="cx"> 
</span><span class="cx">                 if (
</span><span class="cx">                         isset( $parent_item-&gt;type ) &amp;&amp;
</span><del>-                        'post_type' == $parent_item-&gt;type &amp;&amp;
-                        ! empty( $queried_object-&gt;post_type ) &amp;&amp;
-                        is_post_type_hierarchical( $queried_object-&gt;post_type ) &amp;&amp;
-                        in_array( $parent_item-&gt;object_id, $queried_object-&gt;ancestors )
</del><ins>+                        (
+                                // ancestral post object
+                                (
+                                        'post_type' == $parent_item-&gt;type &amp;&amp;
+                                        ! empty( $queried_object-&gt;post_type ) &amp;&amp;
+                                        is_post_type_hierarchical( $queried_object-&gt;post_type ) &amp;&amp;
+                                        in_array( $parent_item-&gt;object_id, $queried_object-&gt;ancestors )
+                                ) ||
+
+                                // ancestral term
+                                (
+                                        'taxonomy' == $parent_item-&gt;type &amp;&amp;
+                                        isset( $possible_taxonomy_ancestors[ $parent_item-&gt;object ] ) &amp;&amp; 
+                                        in_array( $parent_item-&gt;object_id, $possible_taxonomy_ancestors[ $parent_item-&gt;object ] )
+                                )
+                        )
</ins><span class="cx">                 ) {
</span><del>-                        $classes[] = 'current-' . $queried_object-&gt;post_type . '-ancestor';
</del><ins>+                        $classes[] = empty( $queried_object-&gt;taxonomy ) ? 'current-' . $queried_object-&gt;post_type . '-ancestor' : 'current-' . $queried_object-&gt;taxonomy . '-ancestor';
</ins><span class="cx">                         $classes[] = 'current-menu-ancestor';
</span><span class="cx">                 }
</span><ins>+
</ins><span class="cx">                 if ( in_array( $parent_item-&gt;db_id, $active_parent_item_ids ) )
</span><span class="cx">                         $classes[] = 'current-menu-parent';
</span><span class="cx">                 if ( in_array( $parent_item-&gt;object_id, $active_parent_object_ids ) )
</span></span></pre>
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