trait FieldStorageDefinitionEventSubscriberTrait

Same name in other branches
  1. 9 core/lib/Drupal/Core/Field/FieldStorageDefinitionEventSubscriberTrait.php \Drupal\Core\Field\FieldStorageDefinitionEventSubscriberTrait
  2. 10 core/lib/Drupal/Core/Field/FieldStorageDefinitionEventSubscriberTrait.php \Drupal\Core\Field\FieldStorageDefinitionEventSubscriberTrait
  3. 11.x 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

File

core/lib/Drupal/Core/Field/FieldStorageDefinitionEventSubscriberTrait.php, line 14

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 = [
            '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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