protected function __actionDelete(array $datasources, $redirect = NULL)
 {
     $success = true;
     foreach ($datasources as $handle) {
         try {
             Datasource::delete($handle);
         } catch (DatasourceException $e) {
             $success = false;
             $this->alerts()->append($e->getMessage(), AlertStack::ERROR, $e);
         } catch (Exception $e) {
             $success = false;
             $this->alerts()->append(__('An unknown error has occurred. <a class="more">Show trace information.</a>'), AlertStack::ERROR, $e);
         }
         // TODO: Delete reference from View XML
         /*$sql = "SELECT * FROM `tbl_pages` WHERE `data_sources` REGEXP '[[:<:]]".$ds."[[:>:]]' ";
         				$pages = Symphony::Database()->fetch($sql);
         
         				if(is_array($pages) && !empty($pages)){
         					foreach($pages as $page){
         
         						$page['data_sources'] = preg_replace('/\b'.$ds.'\b/i', '', $page['data_sources']);
         
         						Symphony::Database()->update($page, 'tbl_pages', "`id` = '".$page['id']."'");
         					}
         				}*/
     }
     if ($success) {
         redirect($redirect);
     }
 }