class DummyAjaxItem

Defines a dummy field containing an AJAX handler.

Plugin annotation

@FieldType(
  id = "image_module_test_dummy_ajax",
  label = @Translation("Dummy AJAX"),
  description = @Translation("A field containing an AJAX handler."),
  category = @Translation("Field"),
  default_widget = "image_module_test_dummy_ajax_widget",
  default_formatter = "image_module_test_dummy_ajax_formatter"
)

Hierarchy

• class \Drupal\Core\TypedData\TypedData implements \Drupal\Core\TypedData\TypedDataInterface, \Drupal\Component\Plugin\PluginInspectionInterface uses \Drupal\Core\DependencyInjection\DependencySerializationTrait, \Drupal\Core\StringTranslation\StringTranslationTrait, \Drupal\Core\TypedData\TypedDataTrait
  • class \Drupal\Core\TypedData\Plugin\DataType\Map implements \Drupal\Core\TypedData\Plugin\DataType\IteratorAggregate, \Drupal\Core\TypedData\ComplexDataInterface extends \Drupal\Core\TypedData\TypedData
    • class \Drupal\Core\Field\FieldItemBase implements \Drupal\Core\Field\FieldItemInterface extends \Drupal\Core\TypedData\Plugin\DataType\Map
      • class \Drupal\image_module_test\Plugin\Field\FieldType\DummyAjaxItem extends \Drupal\Core\Field\FieldItemBase

Expanded class hierarchy of DummyAjaxItem

File

core/modules/image/tests/modules/image_module_test/src/Plugin/Field/FieldType/DummyAjaxItem.php, line 22

Namespace

class DummyAjaxItem extends FieldItemBase {
  
  /**
   * {@inheritdoc}
   */
  public static function schema(FieldStorageDefinitionInterface $field_definition) {
    return [
      'columns' => [
        'value' => [
          'type' => 'varchar',
          'length' => 255,
        ],
      ],
    ];
  }
  
  /**
   * {@inheritdoc}
   */
  public function isEmpty() {
    return empty($this->get('value')
      ->getValue());
  }
  
  /**
   * {@inheritdoc}
   */
  public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
    $properties['value'] = DataDefinition::create('string')->setLabel(new TranslatableMarkup('Dummy string value'));
    return $properties;
  }

}

Members