elements corresponding to depth 0 and depth 1. * This is intended to support WYSIWYG output - e.g., level 3 sections always * look like level 3 sections, no matter their depth relative to the node * selected to be exported as printer-friendly HTML. * * @param \Drupal\node\Plugin\Core\Entity\Node * The node to export. * * @return * A string containing HTML representing the node and its children in * the book hierarchy. * * @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException */ function book_export_html(EntityInterface $node) { if (user_access('access printer-friendly version')) { if (isset($node->book)) { $tree = book_menu_subtree_data($node->book); $contents = book_export_traverse($tree, 'book_node_export'); $book_exported_html = array('#theme' => 'book_export_html', '#title' => $node->label(), '#contents' => $contents, '#depth' => $node->book['depth']); return drupal_render($book_exported_html); } else { throw new NotFoundHttpException(); } } else { throw new AccessDeniedHttpException(); } } /** * Page callback: Shows the outline form for a single node. * * @param \Drupal\Core\Entity\EntityInterface $node * The book node for which to show the outline. * * @return string * A HTML-formatted string with the outline form for a single node. * * @see book_menu() */ function book_outline(EntityInterface $node) { drupal_set_title($node->label()); return drupal_get_form('book_outline_form', $node); } /** * Form constructor for the book outline form. * * Allows handling of all book outline operations via the outline tab. * * @param \Drupal\Core\Entity\EntityInterface $node * The book node for which to show the outline. * * @see book_outline_form_submit() * @see book_remove_button_submit() * @ingroup forms */ function book_outline_form($form, &$form_state, EntityInterface $node) { if (!isset($node->book)) { // The node is not part of any book yet - set default options. $node->book = _book_link_defaults($node->id()); } else { $node->book['original_bid'] = $node->book['bid']; } // Find the depth limit for the parent select. if (!isset($node->book['parent_depth_limit'])) { $node->book['parent_depth_limit'] = _book_parent_depth_limit($node->book); } $form['#node'] = $node; $form['#id'] = 'book-outline'; _book_add_form_elements($form, $form_state, $node); $form['update'] = array( '#type' => 'submit', '#value' => $node->book['original_bid'] ? t('Update book outline') : t('Add to book outline'), '#weight' => 15, ); $form['remove'] = array( '#type' => 'submit', '#value' => t('Remove from book outline'), '#access' => _book_node_is_removable($node), '#weight' => 20, '#submit' => array('book_remove_button_submit'), ); return $form; } /** * Form submission handler for book_outline_form(). * * Redirects to removal confirmation form. * * @see book_outline_form_submit() */ function book_remove_button_submit($form, &$form_state) { $form_state['redirect'] = 'node/' . $form['#node']->id() . '/outline/remove'; } /** * Form submission handler for book_outline_form(). * * @see book_remove_button_submit() */ function book_outline_form_submit($form, &$form_state) { $node = $form['#node']; $form_state['redirect'] = "node/" . $node->id(); $book_link = $form_state['values']['book']; if (!$book_link['bid']) { drupal_set_message(t('No changes were made')); return; } $book_link['menu_name'] = book_menu_name($book_link['bid']); $node->book = $book_link; if (_book_update_outline($node)) { if ($node->book['parent_mismatch']) { // This will usually only happen when JS is disabled. drupal_set_message(t('The post has been added to the selected book. You may now position it relative to other pages.')); $form_state['redirect'] = "node/" . $node->id() . "/outline"; } else { drupal_set_message(t('The book outline has been updated.')); } } else { drupal_set_message(t('There was an error adding the post to the book.'), 'error'); } } /** * Form constructor to confirm removal of a node from a book. * * @param \Drupal\Core\Entity\EntityInterface $node * The node to delete. * * @see book_remove_form_submit() * @see book_menu() * @ingroup forms */ function book_remove_form($form, &$form_state, EntityInterface $node) { $form['#node'] = $node; $title = array('%title' => $node->label()); if ($node->book['has_children']) { $description = 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 { $description = t('%title may be added to hierarchy again using the Outline tab.', $title); } return confirm_form($form, t('Are you sure you want to remove %title from the book hierarchy?', $title), 'node/' . $node->id(), $description, t('Remove')); } /** * Form submission handler for book_remove_form(). */ function book_remove_form_submit($form, &$form_state) { $node = $form['#node']; if (_book_node_is_removable($node)) { menu_link_delete($node->book['mlid']); db_delete('book') ->condition('nid', $node->id()) ->execute(); drupal_set_message(t('The post has been removed from the book.')); } $form_state['redirect'] = 'node/' . $node->id(); }