Controller routines for book routes. Hierarchy class \Drupal\Core\Controller\

The renderer. Type:

The book manager. Type:

protected BookOutlineForm::actions(array $form, FormStateInterface

public BookAdminEditForm::validateForm(array &$form

book_node_prepare_form(NodeInterface $node, $operation, FormStateInterface $form_state) Implements

public BookOutlineStorageInterface::hasBooks()

The node storage. Type:

public BookManager::bookTreeGetFlat(array $book_link)

public BookManagerInterface::checkNodeIsRemovable(NodeInterface