class EntityRevisionViewController

Same name in other branches
  1. 11.x core/lib/Drupal/Core/Entity/Controller/EntityRevisionViewController.php \Drupal\Core\Entity\Controller\EntityRevisionViewController

Defines a controller to view an entity revision.

Hierarchy

Expanded class hierarchy of EntityRevisionViewController

1 file declares its use of EntityRevisionViewController
RevisionHtmlRouteProvider.php in core/lib/Drupal/Core/Entity/Routing/RevisionHtmlRouteProvider.php
1 string reference to 'EntityRevisionViewController'
entity_test.routing.yml in core/modules/system/tests/modules/entity_test/entity_test.routing.yml
core/modules/system/tests/modules/entity_test/entity_test.routing.yml

File

core/lib/Drupal/Core/Entity/Controller/EntityRevisionViewController.php, line 19

Namespace

Drupal\Core\Entity\Controller
View source 
class EntityRevisionViewController implements ContainerInjectionInterface {
    use StringTranslationTrait;
    
    /**
     * Creates a new EntityRevisionViewController.
     *
     * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entityTypeManager
     *   The entity type manager.
     * @param \Drupal\Core\Entity\EntityRepositoryInterface $entityRepository
     *   The entity repository.
     * @param \Drupal\Core\Datetime\DateFormatterInterface $dateFormatter
     *   The date formatter.
     * @param \Drupal\Core\StringTranslation\TranslationInterface $translation
     *   The string translation manager.
     */
    public function __construct(EntityTypeManagerInterface $entityTypeManager, EntityRepositoryInterface $entityRepository, DateFormatterInterface $dateFormatter, TranslationInterface $translation) {
        $this->setStringTranslation($translation);
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container) {
        return new static($container->get('entity_type.manager'), $container->get('entity.repository'), $container->get('date.formatter'), $container->get('string_translation'));
    }
    
    /**
     * Provides a page to render a single entity revision.
     *
     * @param \Drupal\Core\Entity\RevisionableInterface $_entity_revision
     *   The Entity to be rendered. Note this variable is named $_entity_revision
     *   rather than $entity to prevent collisions with other named placeholders
     *   in the route.
     * @param string $view_mode
     *   (optional) The view mode that should be used to display the entity.
     *   Defaults to 'full'.
     *
     * @return array
     *   A render array.
     */
    public function __invoke(RevisionableInterface $_entity_revision, string $view_mode = 'full') : array {
        $entityTypeId = $_entity_revision->getEntityTypeId();
        $page = $this->entityTypeManager
            ->getViewBuilder($entityTypeId)
            ->view($_entity_revision, $view_mode);
        $page['#entity_type'] = $entityTypeId;
        $page['#' . $entityTypeId] = $_entity_revision;
        return $page;
    }
    
    /**
     * Provides a title callback for a revision of an entity.
     *
     * @param \Drupal\Core\Entity\RevisionableInterface $_entity_revision
     *   The revisionable entity, passed in directly from request attributes.
     *
     * @return \Drupal\Core\StringTranslation\TranslatableMarkup
     *   The title for the entity revision view page.
     */
    public function title(RevisionableInterface $_entity_revision) : TranslatableMarkup {
        $revision = $this->entityRepository
            ->getTranslationFromContext($_entity_revision);
        $titleArgs = [
            '%title' => $revision->label(),
        ];
        if (!$revision instanceof RevisionLogInterface) {
            return $this->t('Revision of %title', $titleArgs);
        }
        $titleArgs['%date'] = $this->dateFormatter
            ->format($revision->getRevisionCreationTime());
        return $this->t('Revision of %title from %date', $titleArgs);
    }

}

Members

Title Modifiers Object type Summary Overriden Title Overrides
EntityRevisionViewController::create public static function Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create
EntityRevisionViewController::title public function Provides a title callback for a revision of an entity.
EntityRevisionViewController::__construct public function Creates a new EntityRevisionViewController.
EntityRevisionViewController::__invoke public function Provides a page to render a single entity revision.
StringTranslationTrait::$stringTranslation protected property The string translation service. 3
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.

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