public function NodePreviewController::view in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/node/src/Controller/NodePreviewController.php \Drupal\node\Controller\NodePreviewController::view()

Provides a page to render a single entity.

Parameters

\Drupal\Core\Entity\EntityInterface $_entity: The Entity to be rendered. Note this variable is named $_entity rather than $entity to prevent collisions with other named placeholders in the route.

string $view_mode: (optional) The view mode that should be used to display the entity. Defaults to 'full'.

Return value

array A render array as expected by \Drupal\Core\Render\RendererInterface::render().

Overrides EntityViewController::view

1 string reference to 'NodePreviewController::view'

node.routing.yml in core/modules/node/node.routing.yml

core/modules/node/node.routing.yml

File

core/modules/node/src/Controller/NodePreviewController.php, line 53

Class

NodePreviewController

Defines a controller to render a single node in preview.

Namespace

Drupal\node\Controller

Code

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;
}