class DefaultContentSubscriber

Same name in this branch
  1. 11.x core/modules/media/src/EventSubscriber/DefaultContentSubscriber.php \Drupal\media\EventSubscriber\DefaultContentSubscriber
  2. 11.x core/modules/layout_builder/src/EventSubscriber/DefaultContentSubscriber.php \Drupal\layout_builder\EventSubscriber\DefaultContentSubscriber
  3. 11.x core/modules/content_moderation/src/EventSubscriber/DefaultContentSubscriber.php \Drupal\content_moderation\EventSubscriber\DefaultContentSubscriber
  4. 11.x core/modules/link/src/EventSubscriber/DefaultContentSubscriber.php \Drupal\link\EventSubscriber\DefaultContentSubscriber

Subscribes to default content-related events.

@internal Event subscribers are internal.

Hierarchy

  • class \Drupal\path\EventSubscriber\DefaultContentSubscriber implements \Symfony\Component\EventDispatcher\EventSubscriberInterface

Expanded class hierarchy of DefaultContentSubscriber

File

core/modules/path/src/EventSubscriber/DefaultContentSubscriber.php, line 18

Namespace

Drupal\path\EventSubscriber
View on git.drupalcode.org
View source 
class DefaultContentSubscriber implements EventSubscriberInterface {
  public function __construct(protected readonly EntityFieldManagerInterface $entityFieldManager) {
  }
  
  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() : array {
    return [
      PreExportEvent::class => 'preExport',
    ];
  }
  
  /**
   * Reacts before an entity is exported.
   *
   * @param \Drupal\Core\DefaultContent\PreExportEvent $event
   *   The event object.
   */
  public function preExport(PreExportEvent $event) : void {
    $event->setCallback('field_item:path', function (PathItem $item) : array {
      $values = $item->getValue();
      // Never export the path ID; it is recreated on import.
      unset($values['pid']);
      return $values;
    });
    // Despite being computed, export path fields anyway because, even though
    // they're undergirded by path_alias entities, they're not true entity
    // references and therefore aren't portable.
    foreach ($this->entityFieldManager
      ->getFieldMapByFieldType('path') as $path_fields_in_entity_type) {
      foreach (array_keys($path_fields_in_entity_type) as $name) {
        $event->setExportable($name, TRUE);
      }
    }
  }

}

Members

Title Modifiers Object type Summary
DefaultContentSubscriber::getSubscribedEvents public static function
DefaultContentSubscriber::preExport public function Reacts before an entity is exported.
DefaultContentSubscriber::__construct public function

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.