public function ContributeSettingsForm::submitAjaxForm in Contribute 8

Submit form #ajax callback.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Return value

\Drupal\Core\Ajax\AjaxResponse An Ajax response that display validation error messages or redirects to a URL

File

src/Form/ContributeSettingsForm.php, line 250

Class

ContributeSettingsForm

Configure contribute settings for this site.

Namespace

Drupal\contribute\Form

Code

public function submitAjaxForm(array &$form, FormStateInterface $form_state) {
  if ($form_state
    ->hasAnyErrors()) {

    // Display messages first by prefixing it the form and setting its weight
    // to -1000.
    $form = [
      'status_messages' => [
        '#type' => 'status_messages',
        '#weight' => -1000,
      ],
    ] + $form;

    // Remove wrapper.
    unset($form['#prefix'], $form['#suffix']);
    $response = new AjaxResponse();
    $response
      ->addCommand(new HtmlCommand('#' . $this
      ->getWrapperId(), $form));
    return $response;
  }
  else {
    $response = new AjaxResponse();
    $response
      ->addCommand(new RedirectCommand(Url::fromRoute('system.status')
      ->toString()));
    return $response;
  }
}