class DiscardLayoutChangesForm in Drupal 9

Discards any pending changes to the layout.

@internal Form classes are internal.

Hierarchy

• class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, RedirectDestinationTrait, StringTranslationTrait
  • class \Drupal\Core\Form\ConfirmFormBase implements ConfirmFormInterface
    • class \Drupal\layout_builder\Form\DiscardLayoutChangesForm

File

core/modules/layout_builder/src/Form/DiscardLayoutChangesForm.php, line 18

Namespace

Drupal\layout_builder\Form

class DiscardLayoutChangesForm extends ConfirmFormBase {

  /**
   * The layout tempstore repository.
   *
   * @var \Drupal\layout_builder\LayoutTempstoreRepositoryInterface
   */
  protected $layoutTempstoreRepository;

  /**
   * The messenger service.
   *
   * @var \Drupal\Core\Messenger\MessengerInterface
   */
  protected $messenger;

  /**
   * The section storage.
   *
   * @var \Drupal\layout_builder\SectionStorageInterface
   */
  protected $sectionStorage;

  /**
   * Constructs a new DiscardLayoutChangesForm.
   *
   * @param \Drupal\layout_builder\LayoutTempstoreRepositoryInterface $layout_tempstore_repository
   *   The layout tempstore repository.
   * @param \Drupal\Core\Messenger\MessengerInterface $messenger
   *   The messenger service.
   */
  public function __construct(LayoutTempstoreRepositoryInterface $layout_tempstore_repository, MessengerInterface $messenger) {
    $this->layoutTempstoreRepository = $layout_tempstore_repository;
    $this->messenger = $messenger;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('layout_builder.tempstore_repository'), $container
      ->get('messenger'));
  }

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'layout_builder_discard_changes';
  }

  /**
   * {@inheritdoc}
   */
  public function getQuestion() {
    return $this
      ->t('Are you sure you want to discard your layout changes?');
  }

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return $this->sectionStorage
      ->getRedirectUrl();
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state, SectionStorageInterface $section_storage = NULL) {
    $this->sectionStorage = $section_storage;

    // Mark this as an administrative page for JavaScript ("Back to site" link).
    $form['#attached']['drupalSettings']['path']['currentPathIsAdmin'] = TRUE;
    return parent::buildForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $this->layoutTempstoreRepository
      ->delete($this->sectionStorage);
    $this->messenger
      ->addMessage($this
      ->t('The changes to the layout have been discarded.'));
    $form_state
      ->setRedirectUrl($this
      ->getCancelUrl());
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ConfirmFormBase::getCancelText	public	function	Returns a caption for the link which cancels the action. Overrides ConfirmFormInterface::getCancelText	2
ConfirmFormBase::getConfirmText	public	function	Returns a caption for the button that confirms the action. Overrides ConfirmFormInterface::getConfirmText	22
ConfirmFormBase::getDescription	public	function	Returns additional text to display as a description. Overrides ConfirmFormInterface::getDescription	14
ConfirmFormBase::getFormName	public	function	Returns the internal name used to refer to the confirmation item. Overrides ConfirmFormInterface::getFormName
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__sleep	public	function		2
DependencySerializationTrait::__wakeup	public	function		2
DiscardLayoutChangesForm::$layoutTempstoreRepository	protected	property	The layout tempstore repository.
DiscardLayoutChangesForm::$messenger	protected	property	The messenger service. Overrides MessengerTrait::$messenger
DiscardLayoutChangesForm::$sectionStorage	protected	property	The section storage.
DiscardLayoutChangesForm::buildForm	public	function	Form constructor. Overrides ConfirmFormBase::buildForm
DiscardLayoutChangesForm::create	public static	function	Instantiates a new instance of this class. Overrides FormBase::create
DiscardLayoutChangesForm::getCancelUrl	public	function	Returns the route to go to if the user cancels the action. Overrides ConfirmFormInterface::getCancelUrl
DiscardLayoutChangesForm::getFormId	public	function	Returns a unique string identifying the form. Overrides FormInterface::getFormId
DiscardLayoutChangesForm::getQuestion	public	function	Returns the question to ask the user. Overrides ConfirmFormInterface::getQuestion
DiscardLayoutChangesForm::submitForm	public	function	Form submission handler. Overrides FormInterface::submitForm
DiscardLayoutChangesForm::__construct	public	function	Constructs a new DiscardLayoutChangesForm.
FormBase::$configFactory	protected	property	The config factory.	3
FormBase::$requestStack	protected	property	The request stack.	1
FormBase::$routeMatch	protected	property	The route match.
FormBase::config	protected	function	Retrieves a configuration object.
FormBase::configFactory	protected	function	Gets the config factory for this form.	3
FormBase::container	private	function	Returns the service container.
FormBase::currentUser	protected	function	Gets the current user.
FormBase::getRequest	protected	function	Gets the request object.
FormBase::getRouteMatch	protected	function	Gets the route match.
FormBase::logger	protected	function	Gets the logger for a specific channel.
FormBase::redirect	protected	function	Returns a redirect response object for the specified route.
FormBase::resetConfigFactory	public	function	Resets the configuration factory.
FormBase::setConfigFactory	public	function	Sets the config factory for this form.
FormBase::setRequestStack	public	function	Sets the request stack object to use.
FormBase::validateForm	public	function	Form validation handler. Overrides FormInterface::validateForm	72
LoggerChannelTrait::$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	public	function	Gets the messenger.	27
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.	4
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.