public BookAdminEditForm::validateForm(array &$form

Provides handling to render the book outline. Hierarchy class \Drupal\book\

public BookOutline::__construct(BookManagerInterface $book_manager)

Default theme implementation to navigate books. Presented under nodes that are a part of book outlines. Available

The entity query for node. Type:

public BookManagerInterface::bookSubtreeData($link)

public BookManagerInterface::checkNodeIsRemovable(NodeInterface

book_node_insert(EntityInterface $node) Implements

protected BookManager::loadBooks() Loads

public static BookOutlineForm::create(ContainerInterface $