class AjaxResponse in Drupal 8

JSON response object for AJAX requests.

Hierarchy

• class \Drupal\Core\Ajax\AjaxResponse extends \Symfony\Component\HttpFoundation\JsonResponse implements AttachmentsInterface uses AttachmentsTrait

Related topics

Ajax API

Overview for Drupal's Ajax API.

43 files declare their use of AjaxResponse

AddFormBase.php in core/modules/media_library/src/Form/AddFormBase.php

AjaxCssForm.php in core/modules/ckeditor/tests/modules/src/Form/AjaxCssForm.php

AjaxRenderer.php in core/lib/Drupal/Core/Render/MainContent/AjaxRenderer.php

AjaxResponseSubscriber.php in core/lib/Drupal/Core/EventSubscriber/AjaxResponseSubscriber.php

AjaxResponseTest.php in core/tests/Drupal/Tests/Core/Ajax/AjaxResponseTest.php

... See full list

File

core/lib/Drupal/Core/Ajax/AjaxResponse.php, line 15

Namespace

Drupal\Core\Ajax

class AjaxResponse extends JsonResponse implements AttachmentsInterface {
  use AttachmentsTrait;

  /**
   * The array of ajax commands.
   *
   * @var array
   */
  protected $commands = [];

  /**
   * Add an AJAX command to the response.
   *
   * @param \Drupal\Core\Ajax\CommandInterface $command
   *   An AJAX command object implementing CommandInterface.
   * @param bool $prepend
   *   A boolean which determines whether the new command should be executed
   *   before previously added commands. Defaults to FALSE.
   *
   * @return $this
   *   The current AjaxResponse.
   */
  public function addCommand(CommandInterface $command, $prepend = FALSE) {
    if ($prepend) {
      array_unshift($this->commands, $command
        ->render());
    }
    else {
      $this->commands[] = $command
        ->render();
    }
    if ($command instanceof CommandWithAttachedAssetsInterface) {
      $assets = $command
        ->getAttachedAssets();
      $attachments = [
        'library' => $assets
          ->getLibraries(),
        'drupalSettings' => $assets
          ->getSettings(),
      ];
      $attachments = BubbleableMetadata::mergeAttachments($this
        ->getAttachments(), $attachments);
      $this
        ->setAttachments($attachments);
    }
    return $this;
  }

  /**
   * Gets all AJAX commands.
   *
   * @return array
   *   Returns render arrays for all previously added commands.
   */
  public function &getCommands() {
    return $this->commands;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
AjaxResponse::$commands	protected	property	The array of ajax commands.
AjaxResponse::addCommand	public	function	Add an AJAX command to the response.
AjaxResponse::getCommands	public	function	Gets all AJAX commands.
AttachmentsTrait::$attachments	protected	property	The attachments for this response.
AttachmentsTrait::addAttachments	public	function
AttachmentsTrait::getAttachments	public	function
AttachmentsTrait::setAttachments	public	function