PHP FabrikModelElement::onRemove示例

 function onRemove($drop = false)
 {
     $db =& JFactory::getDBO();
     $orig_id = (int) $this->_id;
     if (!empty($orig_id)) {
         $db->setQuery("DELETE FROM #__fabrik_joins WHERE element_id = " . $orig_id);
         $db->query();
         $db->setQuery("\n\t\t\t\tSELECT j.id AS jid\n\t\t\t\tFROM #__fabrik_elements AS e\n\t\t\t\tLEFT JOIN #__fabrik_joins AS j ON j.element_id = e.id\n\t\t\t\tWHERE e.parent_id = {$orig_id}\n\t\t\t");
         $join_ids = $db->loadResultArray();
         if (!empty($join_ids)) {
             $db->setQuery("DELETE FROM #__fabrik_joins WHERE id IN (" . implode(',', $join_ids) . ")");
         }
     }
     parent::onRemove($drop);
 }