Dropdown toggle nav for Wolf CMS Bootstrap theme

@ Save this as snippet called "tbNav" :

<?php
function displayChildren($page, $current, $startmenu = true, $limits = null) {
    if ($limits != null && array_key_exists($page->slug(), $limits)) {
        $arr = array('order' => 'position ASC, published_on DESC', 'limit' => $limits[$page->slug()]);
    } else
        $arr = array('order' => 'position ASC, published_on DESC');
    if ($page && count($page->children()) > 0) {
        echo ($startmenu) ? '<ul class="dropdown-menu">' : '';
        foreach($page->children($arr) as $menu) :
if (count($menu->children()) > 0 &&  $menu->level() > 0) {
  $dropdown = 'dropdown';
  $toggle = 'class="dropdown-toggle" data-toggle="dropdown"';
} else { $dropdown = ''; $toggle = ''; }
            echo '<li class="'.(in_array($menu->slug(), explode('/', $current->uri())) ? 'active ': null). $dropdown .'">'.$menu->link($menu->title(), $toggle);
            displayChildren($menu, $current, true, $limits);
            echo '</li>';
            endforeach;
        echo ($startmenu) ? '</ul>' : '';
    }
}
?>

@ Replace current .nav-collapse div with this code :

        <div class="nav-collapse collapse">
<?php $this->includeSnippet('tbNav'); $page = $this->find('/'); ?>
          <ul class="nav">
<li<?php echo ($this->level() == 0) ? ' class="active"': null; ?>><?php echo $page->link($page->title); ?></li -->
<?php displayChildren($page, $this, false); ?>
          </ul>
        </div><!--/.nav-collapse-->