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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\Core\Ajax\AjaxResponse. | |
| */ | |
| namespace Drupal\Core\Ajax; | |
| use Drupal\Core\Render\BubbleableMetadata; | |
| use Drupal\Core\Render\AttachmentsInterface; | |
| use Drupal\Core\Render\AttachmentsTrait; | |
| use Symfony\Component\HttpFoundation\JsonResponse; | |
| /** | |
| * JSON response object for AJAX requests. | |
| * | |
| * @ingroup ajax | |
| */ | |
| class AjaxResponse extends JsonResponse implements AttachmentsInterface { | |
| use AttachmentsTrait; | |
| /** | |
| * The array of ajax commands. | |
| * | |
| * @var array | |
| */ | |
| protected $commands = array(); | |
| /** | |
| * 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 AjaxResponse | |
| * 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 \Drupal\Core\Ajax\CommandInterface[] | |
| * Returns all previously added AJAX commands. | |
| */ | |
| public function &getCommands() { | |
| return $this->commands; | |
| } | |
| } |