class SupportTicketPreviewController in Support Ticketing System 8

Defines a controller to render a single support ticket in preview.

Hierarchy

• class \Drupal\Core\Entity\Controller\EntityViewController implements ContainerInjectionInterface, TrustedCallbackInterface uses DeprecatedServicePropertyTrait
  • class \Drupal\support_ticket\Controller\SupportTicketPreviewController

File

modules/support_ticket/src/Controller/SupportTicketPreviewController.php, line 17

Contains \Drupal\support_ticket\Controller\SupportTicketPreviewController.

Namespace

Drupal\support_ticket\Controller

class SupportTicketPreviewController extends EntityViewController {

  /**
   * {@inheritdoc}
   */
  public function view(EntityInterface $support_ticket_preview, $view_mode_id = 'full', $langcode = NULL) {
    $support_ticket_preview->preview_view_mode = $view_mode_id;
    $build = parent::view($support_ticket_preview, $view_mode_id);
    $build['#attached']['library'][] = 'support_ticket/drupal.support_ticket.preview';

    // Don't render cache previews.
    unset($build['#cache']);
    foreach ($support_ticket_preview
      ->uriRelationships() as $rel) {

      // Set the support ticket path as the canonical URL to prevent duplicate tickets.
      $build['#attached']['html_head_link'][] = array(
        array(
          'rel' => $rel,
          'href' => $support_ticket_preview
            ->url($rel),
        ),
        TRUE,
      );
      if ($rel == 'canonical') {

        // Set the non-aliased canonical path as a default shortlink.
        $build['#attached']['html_head_link'][] = array(
          array(
            'rel' => 'shortlink',
            'href' => $support_ticket_preview
              ->url($rel, array(
              'alias' => TRUE,
            )),
          ),
          TRUE,
        );
      }
    }
    return $build;
  }

  /**
   * The _title_callback for the page that renders a single support ticket in preview.
   *
   * @param \Drupal\Core\Entity\EntityInterface $support_ticket_preview
   *   The current support ticket.
   *
   * @return string
   *   The page title.
   */
  public function title(EntityInterface $support_ticket_preview) {
    return SafeMarkup::checkPlain($this->entityManager
      ->getTranslationFromContext($support_ticket_preview)
      ->label());
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DeprecatedServicePropertyTrait::__get	public	function	Allows to access deprecated/removed properties.
EntityViewController::$deprecatedProperties	protected	property
EntityViewController::$entityTypeManager	protected	property	The entity type manager.
EntityViewController::$renderer	protected	property	The renderer service.
EntityViewController::buildTitle	public	function	Pre-render callback to build the page title.
EntityViewController::create	public static	function	Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create	2
EntityViewController::trustedCallbacks	public static	function	Lists the trusted callbacks provided by the implementing class. Overrides TrustedCallbackInterface::trustedCallbacks
EntityViewController::viewRevision	public	function	Provides a page to render a single entity revision.
EntityViewController::__construct	public	function	Creates an EntityViewController object.	2
SupportTicketPreviewController::title	public	function	The _title_callback for the page that renders a single support ticket in preview.
SupportTicketPreviewController::view	public	function	Provides a page to render a single entity. Overrides EntityViewController::view
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.