/**
  * Checks if element is currently opened
  * @final
  * @return bool Ergebnis
  */
 public final function isCurrent()
 {
     $controller = $action = '';
     $info = Router::getCurrentController();
     if (count($info) == 2) {
         list($controller, $action) = $info;
         return $controller == $this->controller;
     }
     return false;
 }