public function AjaxTestImageEffect::ajaxCallback in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/image/tests/modules/image_module_test/src/Plugin/ImageEffect/AjaxTestImageEffect.php \Drupal\image_module_test\Plugin\ImageEffect\AjaxTestImageEffect::ajaxCallback()

AJAX callback.

File

core/modules/image/tests/modules/image_module_test/src/Plugin/ImageEffect/AjaxTestImageEffect.php, line 57

Class

AjaxTestImageEffect

Provides a test effect using Ajax in the configuration form.

Namespace

Drupal\image_module_test\Plugin\ImageEffect

Code

public function ajaxCallback($form, FormStateInterface $form_state) {
  $item = [
    '#type' => 'item',
    '#title' => $this
      ->t('Ajax value'),
    '#markup' => microtime(),
  ];
  $response = new AjaxResponse();
  $response
    ->addCommand(new HtmlCommand('#ajax-value', $item));
  return $response;
}