book_type_is_allowed($type) Determines if a given node type is in the list of types allowed for books. Parameters string $type: A node type. Return value bool A Boolean TRUE if the node type can be included in books; otherwise, FALSE. File core/modules/book/book.module, line 509 Allows users to create and organize related content in an outline. Code function book_type_is_allowed($type) { return in_array($type, \Drupal::config('book.settings')->get('allowed_types')); }

book_views_data() Implements hook_views_data(). File core/modules/book/book.views.inc, line 13 Provide views data for book.module. Code function book_views_data() { $data = []; $data['book'] = []; $data['book']['table'] = []; $data['book']['table']['group'] = t('Book'); $data['book']['table']['join'] = [ 'node_field_data' => [ 'left_field' => 'nid', 'field' => 'nid', ], ]; $data['book']['nid'] = [ 'title' => t('Page'), 'help' => t('Th

book_uninstall() Implements hook_uninstall(). File core/modules/book/book.install, line 11 Install, update and uninstall functions for the book module. Code function book_uninstall() { // Clear book data out of the cache. \Drupal::cache('data')->deleteAll(); }

Interface for boolean data. Hierarchy interface \Drupal\Core\TypedData\PrimitiveInterfaceinterface \Drupal\Core\TypedData\Type\BooleanInterface File core/lib/Drupal/Core/TypedData/Type/BooleanInterface.php, line 10 Namespace Drupal\Core\TypedData\Type Members Name Modifiers Type Description PrimitiveInterface::getCastedValue public function Gets the primitive data value casted to the correct PHP type. PrimitiveInterface::getValue public function Gets the primiti

book_schema() Implements hook_schema(). File core/modules/book/book.install, line 19 Install, update and uninstall functions for the book module. Code function book_schema() { $schema['book'] = array( 'description' => 'Stores book outline information. Uniquely defines the location of each node in the book outline', 'fields' => array( 'nid' => array( 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0,

book_node_presave(EntityInterface $node) Implements hook_ENTITY_TYPE_presave() for node entities. File core/modules/book/book.module, line 252 Allows users to create and organize related content in an outline. Code function book_node_presave(EntityInterface $node) { // Make sure a new node gets a new menu link. if ($node->isNew()) { $node->book['nid'] = NULL; } }

book_theme() Implements hook_theme(). File core/modules/book/book.module, line 57 Allows users to create and organize related content in an outline. Code function book_theme() { return array( 'book_navigation' => array( 'variables' => array('book_link' => NULL), ), 'book_tree' => array( 'variables' => array('items' => array(), 'attributes' => array()), ), 'book_export_html' => array( 'variables' => array('title' => NULL, 'c

book_node_update(EntityInterface $node) Implements hook_ENTITY_TYPE_update() for node entities. File core/modules/book/book.module, line 271 Allows users to create and organize related content in an outline. Code function book_node_update(EntityInterface $node) { /** @var \Drupal\book\BookManagerInterface $book_manager */ $book_manager = \Drupal::service('book.manager'); $book_manager->updateOutline($node); }

book_node_view(array &$build, EntityInterface $node, EntityViewDisplayInterface $display, $view_mode) Implements hook_ENTITY_TYPE_view() for node entities. File core/modules/book/book.module, line 228 Allows users to create and organize related content in an outline. Code function book_node_view(array &$build, EntityInterface $node, EntityViewDisplayInterface $display, $view_mode) { if ($view_mode == 'full') { if (!empty($node->book['bid']) && empty($node->in_previ

book_node_type_update(NodeTypeInterface $type) Implements hook_ENTITY_TYPE_update() for node_type entities. Updates book.settings configuration object if the machine-readable name of a node type is changed. File core/modules/book/book.module, line 519 Allows users to create and organize related content in an outline. Code function book_node_type_update(NodeTypeInterface $type) { if ($type->getOriginalId() != $type->id()) { $config = \Drupal::configFactory()->getEditable('book.s