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class EmbedController in Embed 8

Returns responses for Embed module routes.

Hierarchy

Expanded class hierarchy of EmbedController

File

src/Controller/EmbedController.php, line 22

Namespace

Drupal\embed\Controller
View source
class EmbedController extends ControllerBase {
  use AjaxHelperTrait;

  /**
   * The renderer service.
   *
   * @var \Drupal\Core\Render\RendererInterface
   */
  protected $renderer;

  /**
   * Constructs an EmbedController instance.
   *
   * @param \Drupal\Core\Render\RendererInterface $renderer
   *   The renderer service.
   */
  public function __construct(RendererInterface $renderer) {
    $this->renderer = $renderer;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('renderer'));
  }

  /**
   * Returns an Ajax response to generate preview of embedded items.
   *
   * Expects the the HTML element as GET parameter.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The request object.
   * @param \Drupal\filter\FilterFormatInterface $filter_format
   *   The filter format.
   *
   * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
   *   Throws an exception if 'value' parameter is not found in the request.
   *
   * @return \Symfony\Component\HttpFoundation\Response
   *   The preview of the embedded item specified by the data attributes.
   */
  public function preview(Request $request, FilterFormatInterface $filter_format) {
    $text = $request
      ->get('text') ?: $request
      ->get('value');
    if (empty($text)) {
      throw new NotFoundHttpException();
    }
    $build = [
      '#type' => 'processed_text',
      '#text' => $text,
      '#format' => $filter_format
        ->id(),
      '#langcode' => $this
        ->languageManager()
        ->getCurrentLanguage(LanguageInterface::TYPE_CONTENT)
        ->getId(),
    ];
    if ($this
      ->isAjax()) {
      $response = new AjaxResponse();
      $response
        ->addCommand(new EmbedInsertCommand($build));
      return $response;
    }
    else {
      $html = $this->renderer
        ->renderPlain($build);

      // Note that we intentionally do not use:
      // - \Drupal\Core\Cache\CacheableResponse because caching it on the server
      //   side is wasteful, hence there is no need for cacheability metadata.
      // - \Drupal\Core\Render\HtmlResponse because there is no need for
      //   attachments nor cacheability metadata.
      return (new Response($html))
        ->setPrivate()
        ->setMaxAge(300);
    }
  }

  /**
   * Returns an Ajax response to generate preview of an entity.
   *
   * Expects the the HTML element as GET parameter.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The request object.
   * @param \Drupal\editor\EditorInterface $editor
   *   The editor.
   * @param \Drupal\embed\EmbedButtonInterface $embed_button
   *   The embed button.
   *
   * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
   *   Throws an exception if 'value' parameter is not found in the request.
   *
   * @return \Symfony\Component\HttpFoundation\Response
   *   The preview of the embedded item specified by the data attributes.
   */
  public function previewEditor(Request $request, EditorInterface $editor, EmbedButtonInterface $embed_button) {
    return $this
      ->preview($request, $editor
      ->getFilterFormat());
  }

}

Members

Namesort descending Modifiers Type Description Overrides
AjaxHelperTrait::getRequestWrapperFormat protected function Gets the wrapper format of the current request.
AjaxHelperTrait::isAjax protected function Determines if the current request is via AJAX.
ControllerBase::$configFactory protected property The configuration factory.
ControllerBase::$currentUser protected property The current user service. 1
ControllerBase::$entityFormBuilder protected property The entity form builder.
ControllerBase::$entityManager protected property The entity manager.
ControllerBase::$entityTypeManager protected property The entity type manager.
ControllerBase::$formBuilder protected property The form builder. 2
ControllerBase::$keyValue protected property The key-value storage. 1
ControllerBase::$languageManager protected property The language manager. 1
ControllerBase::$moduleHandler protected property The module handler. 2
ControllerBase::$stateService protected property The state service.
ControllerBase::cache protected function Returns the requested cache bin.
ControllerBase::config protected function Retrieves a configuration object.
ControllerBase::container private function Returns the service container.
ControllerBase::currentUser protected function Returns the current user. 1
ControllerBase::entityFormBuilder protected function Retrieves the entity form builder.
ControllerBase::entityManager Deprecated protected function Retrieves the entity manager service.
ControllerBase::entityTypeManager protected function Retrieves the entity type manager.
ControllerBase::formBuilder protected function Returns the form builder service. 2
ControllerBase::keyValue protected function Returns a key/value storage collection. 1
ControllerBase::languageManager protected function Returns the language manager service. 1
ControllerBase::moduleHandler protected function Returns the module handler. 2
ControllerBase::redirect protected function Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
ControllerBase::state protected function Returns the state storage service.
EmbedController::$renderer protected property The renderer service.
EmbedController::create public static function Instantiates a new instance of this class. Overrides ControllerBase::create
EmbedController::preview public function Returns an Ajax response to generate preview of embedded items.
EmbedController::previewEditor public function Returns an Ajax response to generate preview of an entity.
EmbedController::__construct public function Constructs an EmbedController instance.
LinkGeneratorTrait::$linkGenerator protected property The link generator. 1
LinkGeneratorTrait::getLinkGenerator Deprecated protected function Returns the link generator.
LinkGeneratorTrait::l Deprecated protected function Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator Deprecated public function Sets the link generator service.
LoggerChannelTrait::$loggerFactory protected property The logger channel factory service.
LoggerChannelTrait::getLogger protected function Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory public function Injects the logger channel factory.
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
RedirectDestinationTrait::$redirectDestination protected property The redirect destination service. 1
RedirectDestinationTrait::getDestinationArray protected function Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination protected function Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination public function Sets the redirect destination service.
StringTranslationTrait::$stringTranslation protected property The string translation service. 1
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.
UrlGeneratorTrait::$urlGenerator protected property The url generator.
UrlGeneratorTrait::getUrlGenerator Deprecated protected function Returns the URL generator service.
UrlGeneratorTrait::setUrlGenerator Deprecated public function Sets the URL generator service.
UrlGeneratorTrait::url Deprecated protected function Generates a URL or path for a specific route based on the given parameters.