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Add 'active_trail' class to a 'menu_tree_all_data' result

/ Published in: PHP
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Via: [http://www.touchdesk.nl/2009/04/full-menu-tree-with-active-trail-in-drupal-6/](http://www.touchdesk.nl/2009/04/full-menu-tree-with-active-trail-in-drupal-6/)

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  1. ...
  2. $data = menu_find_active_trail(menu_tree_all_data(...));
  3. ...
  4.  
  5. /**
  6.  * Wrapper function
  7.  */
  8. function menu_find_active_trail(&$menu_tree) {
  9.   $item = menu_get_item();
  10.   _menu_find_active_trail($menu_tree, $item);
  11.   return $menu_tree;
  12. }
  13.  
  14. /**
  15.  * Recursive function to find the active menu and the active trail in the given tree.
  16.  */
  17. function _menu_find_active_trail(&$menu_tree, $item) {
  18.   $level_is_expanded = FALSE;
  19.   foreach($menu_tree as &$menu_item) {
  20.     $link = &$menu_item['link'];
  21.     if ($link['href']==$item['href']) { // Found the exact location in the tree
  22.       $link['active'] = TRUE;
  23.       $link['in_active_trail'] = TRUE;
  24.       return true;
  25.     } else {
  26.       if ($link['has_children']) {
  27.         $result = _menu_find_active_trail($menu_item['below'], $item);
  28.         $link['in_active_trail'] = $result;
  29.         if ($result) $level_is_expanded = TRUE;
  30.       }
  31.     }
  32.   }
  33.   return $level_is_expanded;
  34. }

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