function display($layout_id, $column_id, $readonly, $is_minimized, $display_preferences, $owner_id, $owner_type)
 {
     $arrf = Tracker_Report_RendererFactory::instance();
     $store_in_session = false;
     if ($renderer = $arrf->getReportRendererById($this->renderer_id, null, $store_in_session)) {
         parent::display($layout_id, $column_id, $readonly, $is_minimized, $display_preferences, $owner_id, $owner_type);
     }
 }
 function __construct()
 {
     parent::__construct(self::ID, UserManager::instance()->getCurrentUser()->getId(), WidgetLayoutManager::OWNER_TYPE_USER);
 }