/**
  * Before delete method. Called before all deletes
  *
  * Will delete the current node and all children using the deleteAll method and sync the table.
  * 
  * If scoped it will automatically set the needed scope data for the extended TreeBehavior.
  *
  * @param AppModel $Model Model instance
  * @return boolean true to continue, false to abort the delete
  * @access public
  */
 public function beforeDelete($Model)
 {
     if ($this->scoped($Model)) {
         $this->__setScope($Model);
     }
     if ($this->counterCacheEnabled($Model)) {
         $this->__parentId = $Model->field($this->settings[$Model->alias]['parent']);
     }
     return parent::beforeDelete($Model);
 }
 /**
  * Identifies the ids of the nodes whose counter caches need updating. I.e.
  * all parents of the current node
  *
  * @param AppModel $model The model object that the behavior is attached to
  * @return boolean Always true
  * @access public
  */
 function beforeDelete(&$model)
 {
     $this->_parentIds[$model->alias] = array();
     // Get parent before delete logic out of the way
     parent::beforeDelete($model);
     // Get the current/previous parent id
     $currentParentId = $model->field($this->settings[$model->alias]['parent']);
     // Add the current/previous parent id and it's parents to the _parentIds
     // property for updating in afterSave
     $this->_addParentIds($model, $currentParentId);
     return true;
 }