function getDataset(&$counter, $params = array())
 {
     $params['depth'] = 1;
     if (Limb::toolkit()->getRequest()->get('only_parents') == 'false') {
         $params['only_parents'] = false;
     } else {
         $params['only_parents'] = true;
     }
     $params['restrict_by_class'] = false;
     $params['path'] = $this->_processPath();
     return parent::getDataset($counter, $params);
 }