class TestFieldApplicableFormatter

Plugin implementation of the 'field_test_applicable' formatter.

It is applicable to test_field fields unless their name is 'deny_applicable'.

Plugin annotation

@FieldFormatter(
  id = "field_test_applicable",
  label = @Translation("Applicable"),
  description = @Translation("Applicable formatter"),
  field_types = {
    "test_field"
  },
  weight = 15,
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements \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 extends \Drupal\Component\Plugin\PluginBase
    • class \Drupal\Core\Field\PluginSettingsBase implements \Drupal\Core\Field\PluginSettingsInterface, \Drupal\Component\Plugin\DependentPluginInterface extends \Drupal\Core\Plugin\PluginBase
      • class \Drupal\Core\Field\FormatterBase implements \Drupal\Core\Field\FormatterInterface, \Drupal\Core\Plugin\ContainerFactoryPluginInterface extends \Drupal\Core\Field\PluginSettingsBase
        • class \Drupal\field_test\Plugin\Field\FieldFormatter\TestFieldApplicableFormatter extends \Drupal\Core\Field\FormatterBase

Expanded class hierarchy of TestFieldApplicableFormatter

File

core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldFormatter/TestFieldApplicableFormatter.php, line 24

Namespace

class TestFieldApplicableFormatter extends FormatterBase {
  
  /**
   * {@inheritdoc}
   */
  public static function isApplicable(FieldDefinitionInterface $field_definition) {
    return $field_definition->getName() != 'deny_applicable';
  }
  
  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    return [
      '#markup' => 'Nothing to see here',
    ];
  }

}