class LayoutBuilderDisableForm

class LayoutBuilderDisableForm extends ConfirmFormBase {
    
    /**
     * The layout tempstore repository.
     *
     * @var \Drupal\layout_builder\LayoutTempstoreRepositoryInterface
     */
    protected $layoutTempstoreRepository;
    
    /**
     * The section storage.
     *
     * @var \Drupal\layout_builder\DefaultsSectionStorageInterface
     */
    protected $sectionStorage;
    
    /**
     * Constructs a new RevertOverridesForm.
     *
     * @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;
        $this->setMessenger($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_disable_form';
    }
    
    /**
     * {@inheritdoc}
     */
    public function getQuestion() {
        return $this->t('Are you sure you want to disable Layout Builder?');
    }
    
    /**
     * {@inheritdoc}
     */
    public function getDescription() {
        return $this->t('All customizations will be removed. This action cannot be undone.');
    }
    
    /**
     * {@inheritdoc}
     */
    public function getCancelUrl() {
        return $this->sectionStorage
            ->getRedirectUrl();
    }
    
    /**
     * {@inheritdoc}
     */
    public function buildForm(array $form, FormStateInterface $form_state, SectionStorageInterface $section_storage = NULL) {
        if (!$section_storage instanceof DefaultsSectionStorageInterface) {
            throw new \InvalidArgumentException(sprintf('The section storage with type "%s" and ID "%s" does not provide defaults', $section_storage->getStorageType(), $section_storage->getStorageId()));
        }
        $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->sectionStorage
            ->disableLayoutBuilder()
            ->save();
        $this->layoutTempstoreRepository
            ->delete($this->sectionStorage);
        $this->messenger()
            ->addMessage($this->t('Layout Builder has been disabled.'));
        $form_state->setRedirectUrl($this->getCancelUrl());
    }

}