Backend\Modules\Faq\Actions\AddCategory::validateForm PHP Метод

    private function validateForm()
    {
        if ($this->frm->isSubmitted()) {
            $this->meta->setURLCallback('Backend\\Modules\\Faq\\Engine\\Model', 'getURLForCategory');
            $this->frm->cleanupFields();
            // validate fields
            $this->frm->getField('title')->isFilled(BL::err('TitleIsRequired'));
            $this->meta->validate();
            if ($this->frm->isCorrect()) {
                // build item
                $item['title'] = $this->frm->getField('title')->getValue();
                $item['language'] = BL::getWorkingLanguage();
                $item['meta_id'] = $this->meta->save();
                $item['sequence'] = BackendFaqModel::getMaximumCategorySequence() + 1;
                // save the data
                $item['id'] = BackendFaqModel::insertCategory($item);
                BackendModel::triggerEvent($this->getModule(), 'after_add_category', array('item' => $item));
                // everything is saved, so redirect to the overview
                $this->redirect(BackendModel::createURLForAction('Categories') . '&report=added-category&var=' . rawurlencode($item['title']) . '&highlight=row-' . $item['id']);
            }
        }
    }