NodePreviewController.php
Same filename in other branches
Namespace
Drupal\node\ControllerFile
-
core/
modules/ node/ src/ Controller/ NodePreviewController.php
View source
<?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 an 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 $entity_repository = NULL) {
parent::__construct($entity_type_manager, $renderer);
if (!$entity_repository) {
@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);
$entity_repository = \Drupal::service('entity.repository');
}
$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.
*/
public function title(EntityInterface $node_preview) {
return $this->entityRepository
->getTranslationFromContext($node_preview)
->label();
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
NodePreviewController | Defines a controller to render a single node in preview. |
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