class RouteSubscriber in Printer and PDF versions for Drupal 8+ 8

Defines a route subscriber to generate print route for all content entities.

Hierarchy

• class \Drupal\printable\Routing\RouteSubscriber implements \Symfony\Component\EventDispatcher\EventSubscriberInterface

1 string reference to 'RouteSubscriber'

printable.services.yml in ./printable.services.yml

printable.services.yml

1 service uses RouteSubscriber

printable.subscriber.route in ./printable.services.yml

Drupal\printable\Routing\RouteSubscriber

File

src/Routing/RouteSubscriber.php, line 14

Namespace

Drupal\printable\Routing

class RouteSubscriber implements EventSubscriberInterface {

  /**
   * The printable entity manager service.
   *
   * @var \Drupal\printable\PrintableEntityManagerInterface
   */
  protected $printableEntityManager;

  /**
   * Constructs a printable RouteSubscriber object.
   *
   * @param \Drupal\printable\PrintableEntityManagerInterface $printable_entity_manager
   *   The printable entity manager service.
   */
  public function __construct(PrintableEntityManagerInterface $printable_entity_manager) {
    $this->printableEntityManager = $printable_entity_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    $events[RoutingEvents::ALTER] = 'routes';
    return $events;
  }

  /**
   * Adds a print route for each content entity.
   *
   * @param \Drupal\Core\Routing\RouteBuildEvent $event
   *   The route build event.
   */
  public function routes(RouteBuildEvent $event) {
    $collection = $event
      ->getRouteCollection();
    foreach ($this->printableEntityManager
      ->getPrintableEntities() as $entity_type => $entity_definition) {
      $route = new Route("{$entity_type}/{entity}/printable/{printable_format}", [
        '_controller' => 'Drupal\\printable\\Controller\\PrintableController::showFormat',
        '_title' => 'Printable',
      ], [
        '_entity_access' => 'entity.view',
        '_permission' => 'view printer friendly versions',
      ], [
        'parameters' => [
          'entity' => [
            'type' => 'entity:' . $entity_type,
          ],
        ],
      ]);
      $collection
        ->add('printable.show_format.' . $entity_type, $route);
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
RouteSubscriber::$printableEntityManager	protected	property	The printable entity manager service.
RouteSubscriber::getSubscribedEvents	public static	function	Returns an array of event names this subscriber wants to listen to.
RouteSubscriber::routes	public	function	Adds a print route for each content entity.
RouteSubscriber::__construct	public	function	Constructs a printable RouteSubscriber object.