aleph1.co.uk Git - yaffs-website/blob - web/core/lib/Drupal/Core/EventSubscriber/RouteEnhancerSubscriber.php

   1 <?php
   2
   3 namespace Drupal\Core\EventSubscriber;
   4
   5 use Drupal\Core\Routing\LazyRouteEnhancer;
   6 use Drupal\Core\Routing\RouteBuildEvent;
   7 use Drupal\Core\Routing\RoutingEvents;
   8 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
   9
  10 /**
  11  * Listens to the new routes before they get saved.
  12  */
  13 class RouteEnhancerSubscriber implements EventSubscriberInterface {
  14
  15   /**
  16    * @var \Drupal\Core\Routing\LazyRouteEnhancer
  17    */
  18   protected $routeEnhancer;
  19
  20   /**
  21    * Constructs the RouteEnhancerSubscriber object.
  22    *
  23    * @param \Drupal\Core\Routing\LazyRouteEnhancer $route_enhancer
  24    *   The lazy route enhancer.
  25    */
  26   public function __construct(LazyRouteEnhancer $route_enhancer) {
  27     $this->routeEnhancer = $route_enhancer;
  28   }
  29
  30   /**
  31    * Adds the route_enhancer object to the route collection.
  32    *
  33    * @param \Drupal\Core\Routing\RouteBuildEvent $event
  34    *   The route build event.
  35    */
  36   public function onRouteAlter(RouteBuildEvent $event) {
  37     $this->routeEnhancer->setEnhancers($event->getRouteCollection());
  38   }
  39
  40   /**
  41    * {@inheritdoc}
  42    */
  43   public static function getSubscribedEvents() {
  44     $events[RoutingEvents::ALTER][] = ['onRouteAlter', -300];
  45     return $events;
  46   }
  47
  48 }