public function ModalForm::addItemsAjax in Entity Reference View Widget 8

Ajax callback for the the add items button.

File

src/Form/ModalForm.php, line 58

Contains \Drupal\entity_reference_view_widget\Form\ModalForm.

Class

ModalForm

Provides the database logging filter form.

Namespace

Drupal\entity_reference_view_widget\Form

Code

public function addItemsAjax(array $form, FormStateInterface &$form_state) {
  $response = new AjaxResponse();
  $input = $form_state
    ->getUserInput();
  $messages = drupal_get_messages('error', FALSE);
  if (!empty($messages)) {
    $status_messages = array(
      '#theme' => 'status_messages',
      '#display' => 'error',
    );
    $response
      ->addCommand(new RemoveCommand('#drupal-modal .messages'));
    $response
      ->addCommand(new PrependCommand('#drupal-modal', drupal_render($status_messages)));
  }
  else {
    if (!empty($input['entity_ids'])) {
      $settings = $form_state
        ->get('ervw_settings');
      $rows = ViewWidget::getRows($input['entity_ids'], $settings);
      $response
        ->addCommand(new ReplaceCommand('#' . $settings['wrapper'] . ' > tbody', '<tbody>' . drupal_render($rows) . '</tbody>'));

      // Close the modal if the widget setting has been selected.
      if (!empty($settings['close_modal'])) {
        $response
          ->addCommand(new CloseModalDialogCommand());
      }
    }
  }
  return $response;
}