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<?php
namespace Drupal\node\Controller;
use Drupal\Core\Entity\Controller\EntityViewController;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\EntityRepositoryInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Render\RendererInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Defines a controller to render a single node in preview.
*/
class NodePreviewController extends EntityViewController {
/**
* The entity repository service.
*
* @var \Drupal\Core\Entity\EntityRepositoryInterface
*/
protected $entityRepository;
/**
* Creates a NodeViewController object.
*
* @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
* The entity type manager.
* @param \Drupal\Core\Render\RendererInterface $renderer
* The renderer service.
* @param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository
* The entity repository.
*/
public function __construct(EntityTypeManagerInterface $entity_type_manager, RendererInterface $renderer, EntityRepositoryInterface $entity_repository) {
parent::__construct($entity_type_manager, $renderer);
$this->entityRepository = $entity_repository;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
return new static(
$container->get('entity_type.manager'),
$container->get('renderer'),
$container->get('entity.repository')
);
}
/**
* {@inheritdoc}
*/
public function view(EntityInterface $node_preview, $view_mode_id = 'full', $langcode = NULL) {
$node_preview->preview_view_mode = $view_mode_id;
$build = parent::view($node_preview, $view_mode_id);
$build['#attached']['library'][] = 'node/drupal.node.preview';
// Don't render cache previews.
unset($build['#cache']);
return $build;
}
/**
* The _title_callback for the page that renders a single node in preview.
*
* @param \Drupal\Core\Entity\EntityInterface $node_preview
* The current node.
*
* @return string
* The page title.
*
* @deprecated in drupal:11.2.0 and is removed from drupal:12.0.0. There is no
* replacement.
* @see https://www.drupal.org/node/3518065
*/
public function title(EntityInterface $node_preview) {
@trigger_error(__METHOD__ . ' is deprecated in drupal:11.2.0 and is removed from drupal:12.0.0. There is no replacement. See https://www.drupal.org/node/3518065', E_USER_DEPRECATED);
return $this->entityRepository->getTranslationFromContext($node_preview)->label();
}
}
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