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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\book\Form\BookRemoveForm. | |
| */ | |
| namespace Drupal\book\Form; | |
| use Drupal\book\BookManagerInterface; | |
| use Drupal\Core\Form\ConfirmFormBase; | |
| use Drupal\Core\Form\FormStateInterface; | |
| use Drupal\node\NodeInterface; | |
| use Symfony\Component\DependencyInjection\ContainerInterface; | |
| /** | |
| * Remove form for book module. | |
| */ | |
| class BookRemoveForm extends ConfirmFormBase { | |
| /** | |
| * The book manager. | |
| * | |
| * @var \Drupal\book\BookManagerInterface | |
| */ | |
| protected $bookManager; | |
| /** | |
| * The node representing the book. | |
| * | |
| * @var \Drupal\node\NodeInterface | |
| */ | |
| protected $node; | |
| /** | |
| * Constructs a BookRemoveForm object. | |
| * | |
| * @param \Drupal\book\BookManagerInterface $book_manager | |
| * The book manager. | |
| */ | |
| public function __construct(BookManagerInterface $book_manager) { | |
| $this->bookManager = $book_manager; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public static function create(ContainerInterface $container) { | |
| return new static( | |
| $container->get('book.manager') | |
| ); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getFormId() { | |
| return 'book_remove_form'; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function buildForm(array $form, FormStateInterface $form_state, NodeInterface $node = NULL) { | |
| $this->node = $node; | |
| return parent::buildForm($form, $form_state); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getDescription() { | |
| $title = array('%title' => $this->node->label()); | |
| if ($this->node->book['has_children']) { | |
| return $this->t('%title has associated child pages, which will be relocated automatically to maintain their connection to the book. To recreate the hierarchy (as it was before removing this page), %title may be added again using the Outline tab, and each of its former child pages will need to be relocated manually.', $title); | |
| } | |
| else { | |
| return $this->t('%title may be added to hierarchy again using the Outline tab.', $title); | |
| } | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getConfirmText() { | |
| return $this->t('Remove'); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getQuestion() { | |
| return $this->t('Are you sure you want to remove %title from the book hierarchy?', array('%title' => $this->node->label())); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getCancelUrl() { | |
| return $this->node->urlInfo(); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function submitForm(array &$form, FormStateInterface $form_state) { | |
| if ($this->bookManager->checkNodeIsRemovable($this->node)) { | |
| $this->bookManager->deleteFromBook($this->node->id()); | |
| drupal_set_message($this->t('The post has been removed from the book.')); | |
| } | |
| $form_state->setRedirectUrl($this->getCancelUrl()); | |
| } | |
| } |