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trait FieldStorageDefinitionEventSubscriberTrait in Zircon Profile 8

Same name and namespace in other branches
  1. 8.0 core/lib/Drupal/Core/Field/FieldStorageDefinitionEventSubscriberTrait.php \Drupal\Core\Field\FieldStorageDefinitionEventSubscriberTrait

Helper methods for FieldStorageDefinitionListenerInterface.

This allows a class implementing FieldStorageDefinitionListenerInterface to subscribe and react to field storage definition events.

Hierarchy

See also

\Symfony\Component\EventDispatcher\EventSubscriberInterface

\Drupal\Core\Field\FieldStorageDefinitionListenerInterface

1 file declares its use of FieldStorageDefinitionEventSubscriberTrait
EntityTestDefinitionSubscriber.php in core/modules/system/tests/modules/entity_test/src/EntityTestDefinitionSubscriber.php
Contains \Drupal\entity_test\EntityTestDefinitionSubscriber.

File

core/lib/Drupal/Core/Field/FieldStorageDefinitionEventSubscriberTrait.php, line 19
Contains \Drupal\Core\Field\FieldStorageDefinitionEventSubscriberTrait.

Namespace

Drupal\Core\Field
View source
trait FieldStorageDefinitionEventSubscriberTrait {

  /**
   * Returns the subscribed events.
   *
   * @return array
   *   An array of subscribed event names.
   *
   * @see \Symfony\Component\EventDispatcher\EventSubscriberInterface::getSubscribedEvents()
   */
  public static function getFieldStorageDefinitionEvents() {
    $event = array(
      'onFieldStorageDefinitionEvent',
      100,
    );
    $events[FieldStorageDefinitionEvents::CREATE][] = $event;
    $events[FieldStorageDefinitionEvents::UPDATE][] = $event;
    $events[FieldStorageDefinitionEvents::DELETE][] = $event;
    return $events;
  }

  /**
   * Listener method for any field storage definition event.
   *
   * @param \Drupal\Core\Field\FieldStorageDefinitionEvent $event
   *   The field storage definition event object.
   * @param string $event_name
   *   The event name.
   */
  public function onFieldStorageDefinitionEvent(FieldStorageDefinitionEvent $event, $event_name) {
    switch ($event_name) {
      case FieldStorageDefinitionEvents::CREATE:
        $this
          ->onFieldStorageDefinitionCreate($event
          ->getFieldStorageDefinition());
        break;
      case FieldStorageDefinitionEvents::UPDATE:
        $this
          ->onFieldStorageDefinitionUpdate($event
          ->getFieldStorageDefinition(), $event
          ->getOriginal());
        break;
      case FieldStorageDefinitionEvents::DELETE:
        $this
          ->onFieldStorageDefinitionDelete($event
          ->getFieldStorageDefinition());
        break;
    }
  }

  /**
   * {@inheritdoc}
   */
  public function onFieldStorageDefinitionCreate(FieldStorageDefinitionInterface $storage_definition) {
  }

  /**
   * {@inheritdoc}
   */
  public function onFieldStorageDefinitionUpdate(FieldStorageDefinitionInterface $storage_definition, FieldStorageDefinitionInterface $original) {
  }

  /**
   * {@inheritdoc}
   */
  public function onFieldStorageDefinitionDelete(FieldStorageDefinitionInterface $storage_definition) {
  }

}

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