/**
  * If countercache is enabled, the parent id will be updated with the correct counts.
  *
  * @param AppModel $Model Model instance
  * @return boolean true to continue, false to abort the delete
  * @access public
  */
 public function afterDelete($Model)
 {
     if ($this->counterCacheEnabled($Model) && $this->__parentId) {
         $this->updateTreeCounterCache($Model, $this->__parentId);
     }
     return parent::afterDelete($Model);
 }