public function FeedTypeForm::ajaxCallback in Feeds 8.3

Sends an ajax response.

File

src/FeedTypeForm.php, line 368

Class

FeedTypeForm

Form controller for the feed type edit forms.

Namespace

Drupal\feeds

Code

public function ajaxCallback(array $form, FormStateInterface $form_state) {
  $type = $form_state
    ->getTriggeringElement()['#plugin_type'];
  $response = new AjaxResponse();

  // Set URL hash so that the correct settings tab is open.
  if (isset($form[$type . '_configuration']['#id'])) {
    $hash = ltrim($form[$type . '_configuration']['#id'], '#');
    $response
      ->addCommand(new SetHashCommand($hash));
  }

  // Update the forms.
  $plugin_settings = $this->renderer
    ->renderRoot($form['plugin_settings']);
  $advanced_settings = $this->renderer
    ->renderRoot($form[$type . '_wrapper']['advanced']);
  $response
    ->addCommand(new ReplaceCommand('#feeds-ajax-form-wrapper', $plugin_settings));
  $response
    ->addCommand(new ReplaceCommand('#feeds-plugin-' . $type . '-advanced', $advanced_settings));

  // Add attachments.
  $attachments = NestedArray::mergeDeep($form['plugin_settings']['#attached'], $form[$type . '_wrapper']['advanced']['#attached']);
  $response
    ->setAttachments($attachments);

  // Display status messages.
  $status_messages = [
    '#type' => 'status_messages',
  ];
  $output = $this->renderer
    ->renderRoot($status_messages);
  if (!empty($output)) {
    $response
      ->addCommand(new HtmlCommand('.region-messages', $output));
  }
  return $response;
}