annotate core/modules/node/src/Controller/NodePreviewController.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents af1871eacc83
children
rev   line source
Chris@0 1 <?php
Chris@0 2
Chris@0 3 namespace Drupal\node\Controller;
Chris@0 4
Chris@18 5 use Drupal\Core\Entity\Controller\EntityViewController;
Chris@0 6 use Drupal\Core\Entity\EntityInterface;
Chris@18 7 use Drupal\Core\Entity\EntityRepositoryInterface;
Chris@18 8 use Drupal\Core\Entity\EntityTypeManagerInterface;
Chris@18 9 use Drupal\Core\Render\RendererInterface;
Chris@18 10 use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0 11
Chris@0 12 /**
Chris@0 13 * Defines a controller to render a single node in preview.
Chris@0 14 */
Chris@0 15 class NodePreviewController extends EntityViewController {
Chris@0 16
Chris@0 17 /**
Chris@18 18 * The entity repository service.
Chris@18 19 *
Chris@18 20 * @var \Drupal\Core\Entity\EntityRepositoryInterface
Chris@18 21 */
Chris@18 22 protected $entityRepository;
Chris@18 23
Chris@18 24 /**
Chris@18 25 * Creates an NodeViewController object.
Chris@18 26 *
Chris@18 27 * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
Chris@18 28 * The entity type manager.
Chris@18 29 * @param \Drupal\Core\Render\RendererInterface $renderer
Chris@18 30 * The renderer service.
Chris@18 31 * @param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository
Chris@18 32 * The entity repository.
Chris@18 33 */
Chris@18 34 public function __construct(EntityTypeManagerInterface $entity_type_manager, RendererInterface $renderer, EntityRepositoryInterface $entity_repository = NULL) {
Chris@18 35 parent::__construct($entity_type_manager, $renderer);
Chris@18 36 if (!$entity_repository) {
Chris@18 37 @trigger_error('The entity.repository service must be passed to NodePreviewController::__construct(), it is required before Drupal 9.0.0. See https://www.drupal.org/node/2549139.', E_USER_DEPRECATED);
Chris@18 38 $entity_repository = \Drupal::service('entity.repository');
Chris@18 39 }
Chris@18 40 $this->entityRepository = $entity_repository;
Chris@18 41 }
Chris@18 42
Chris@18 43 /**
Chris@18 44 * {@inheritdoc}
Chris@18 45 */
Chris@18 46 public static function create(ContainerInterface $container) {
Chris@18 47 return new static(
Chris@18 48 $container->get('entity_type.manager'),
Chris@18 49 $container->get('renderer'),
Chris@18 50 $container->get('entity.repository')
Chris@18 51 );
Chris@18 52 }
Chris@18 53
Chris@18 54 /**
Chris@0 55 * {@inheritdoc}
Chris@0 56 */
Chris@0 57 public function view(EntityInterface $node_preview, $view_mode_id = 'full', $langcode = NULL) {
Chris@0 58 $node_preview->preview_view_mode = $view_mode_id;
Chris@0 59 $build = parent::view($node_preview, $view_mode_id);
Chris@0 60
Chris@0 61 $build['#attached']['library'][] = 'node/drupal.node.preview';
Chris@0 62
Chris@0 63 // Don't render cache previews.
Chris@0 64 unset($build['#cache']);
Chris@0 65
Chris@0 66 return $build;
Chris@0 67 }
Chris@0 68
Chris@0 69 /**
Chris@0 70 * The _title_callback for the page that renders a single node in preview.
Chris@0 71 *
Chris@0 72 * @param \Drupal\Core\Entity\EntityInterface $node_preview
Chris@0 73 * The current node.
Chris@0 74 *
Chris@0 75 * @return string
Chris@0 76 * The page title.
Chris@0 77 */
Chris@0 78 public function title(EntityInterface $node_preview) {
Chris@18 79 return $this->entityRepository->getTranslationFromContext($node_preview)->label();
Chris@0 80 }
Chris@0 81
Chris@0 82 }