Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\field_ui\Routing;
Chris@0: 
Chris@0: use Drupal\Core\Entity\EntityManagerInterface;
Chris@0: use Drupal\Core\Routing\Enhancer\RouteEnhancerInterface;
Chris@0: use Symfony\Component\HttpFoundation\Request;
Chris@0: use Symfony\Component\Routing\Route;
Chris@0: 
Chris@0: /**
Chris@0:  * Enhances Field UI routes by adding proper information about the bundle name.
Chris@0:  */
Chris@0: class FieldUiRouteEnhancer implements RouteEnhancerInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * The entity manager.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Entity\EntityManagerInterface
Chris@0:    */
Chris@0:   protected $entityManager;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a FieldUiRouteEnhancer object.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
Chris@0:    *   The entity manager.
Chris@0:    */
Chris@0:   public function __construct(EntityManagerInterface $entity_manager) {
Chris@0:     $this->entityManager = $entity_manager;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function enhance(array $defaults, Request $request) {
Chris@0:     if (($bundle = $this->entityManager->getDefinition($defaults['entity_type_id'])->getBundleEntityType()) && isset($defaults[$bundle])) {
Chris@0:       // Field UI forms only need the actual name of the bundle they're dealing
Chris@0:       // with, not an upcasted entity object, so provide a simple way for them
Chris@0:       // to get it.
Chris@0:       $defaults['bundle'] = $defaults['_raw_variables']->get($bundle);
Chris@0:     }
Chris@0: 
Chris@0:     return $defaults;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function applies(Route $route) {
Chris@0:     return ($route->hasOption('_field_ui'));
Chris@0:   }
Chris@0: 
Chris@0: }