class DummyAjaxFormatter

Empty renderer for a dummy field with an AJAX handler.

Plugin annotation

@FieldFormatter(
  id = "image_module_test_dummy_ajax_formatter",
  module = "image_module_test",
  label = @Translation("Dummy AJAX"),
  field_types= {
    "image_module_test_dummy_ajax"
  }
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase extends \Drupal\Component\Plugin\PluginInspectionInterface, \Drupal\Component\Plugin\DerivativeInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses \Drupal\Core\StringTranslation\StringTranslationTrait, \Drupal\Core\DependencyInjection\DependencySerializationTrait, \Drupal\Core\Messenger\MessengerTrait implements \Drupal\Component\Plugin\PluginBase
    • class \Drupal\Core\Field\PluginSettingsBase extends \Drupal\Core\Field\PluginSettingsInterface, \Drupal\Component\Plugin\DependentPluginInterface implements \Drupal\Core\Plugin\PluginBase
      • class \Drupal\Core\Field\FormatterBase extends \Drupal\Core\Field\FormatterInterface, \Drupal\Core\Plugin\ContainerFactoryPluginInterface implements \Drupal\Core\Field\PluginSettingsBase
        • class \Drupal\image_module_test\Plugin\Field\FieldFormatter\DummyAjaxFormatter implements \Drupal\Core\Field\FormatterBase

Expanded class hierarchy of DummyAjaxFormatter

File

core/modules/image/tests/modules/image_module_test/src/Plugin/Field/FieldFormatter/DummyAjaxFormatter.php, line 20

Namespace

class DummyAjaxFormatter extends FormatterBase {
  
  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    $summary = [];
    $summary[] = $this->t('Renders nothing');
    return $summary;
  }
  
  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $element = [];
    return $element;
  }

}