/**
        * Formulář na přidání domény
        *
        */
        protected function createComponentDomainAddForm()
        {
                // formular
                $form = new \Nette\Application\UI\Form();

                $form->onSuccess[] = callback($this, 'domainAddFormSubmitted');
        $form->onError[] = function ($form) {
            $form->presenter->invalidateControl('domainAddForm'); // takto se musi jmenovat ten snippet
        };

                return $form;
        }