class PollPostRenderCache in Poll 8

Defines a service for poll post render cache callbacks.

Hierarchy

• class \Drupal\poll\PollPostRenderCache implements TrustedCallbackInterface

1 string reference to 'PollPostRenderCache'

poll.services.yml in ./poll.services.yml

poll.services.yml

1 service uses PollPostRenderCache

poll.post_render_cache in ./poll.services.yml

Drupal\poll\PollPostRenderCache

File

src/PollPostRenderCache.php, line 11

Namespace

Drupal\poll

class PollPostRenderCache implements TrustedCallbackInterface {

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * Constructs a new PollPostRenderCache object.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager service.
   */
  public function __construct(EntityTypeManagerInterface $entity_type_manager) {
    $this->entityTypeManager = $entity_type_manager;
  }

  /**
   * @inheritDoc
   */
  public static function trustedCallbacks() {
    return [
      'renderViewForm',
    ];
  }

  /**
   * Callback for #post_render_cache; replaces placeholder with poll view form.
   *
   * @param int $id
   *   The poll ID.
   * @param string $view_mode
   *   The view mode the poll should be rendered with.
   * @param string $langcode
   *   The langcode in which the poll should be rendered.
   *
   * @return array
   *   A renderable array containing the poll form.
   */
  public function renderViewForm($id, $view_mode, $langcode = NULL) {

    /** @var \Drupal\poll\PollInterface $poll */
    $poll = $this->entityTypeManager
      ->getStorage('poll')
      ->load($id);
    if ($poll) {
      if ($langcode && $poll
        ->hasTranslation($langcode)) {
        $poll = $poll
          ->getTranslation($langcode);
      }

      /** @var \Drupal\poll\Form\PollViewForm $form_object */
      $form_object = \Drupal::service('class_resolver')
        ->getInstanceFromDefinition('Drupal\\poll\\Form\\PollViewForm');
      $form_object
        ->setPoll($poll);
      return \Drupal::formBuilder()
        ->getForm($form_object, \Drupal::request(), $view_mode);
    }
    else {
      return [
        '#markup' => '',
      ];
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
PollPostRenderCache::$entityTypeManager	protected	property	The entity type manager.
PollPostRenderCache::renderViewForm	public	function	Callback for #post_render_cache; replaces placeholder with poll view form.
PollPostRenderCache::trustedCallbacks	public static	function	@inheritDoc Overrides TrustedCallbackInterface::trustedCallbacks
PollPostRenderCache::__construct	public	function	Constructs a new PollPostRenderCache object.
TrustedCallbackInterface::THROW_EXCEPTION		constant	Untrusted callbacks throw exceptions.
TrustedCallbackInterface::TRIGGER_SILENCED_DEPRECATION		constant	Untrusted callbacks trigger silenced E_USER_DEPRECATION errors.
TrustedCallbackInterface::TRIGGER_WARNING		constant	Untrusted callbacks trigger E_USER_WARNING errors.