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- <?php
- function book_help($path, $arg) {
- switch ($path) {
- case 'admin/help#book':
- $output = '<h3>' . t('About') . '</h3>';
- $output .= '<p>' . t('The Book module is used for creating structured, multi-page content, such as site resource guides, manuals, and wikis. It allows you to create content that has chapters, sections, subsections, or any similarly-tiered structure. For more information, see the online handbook entry for <a href="@book">Book module</a>.', array('@book' => 'http://drupal.org/documentation/modules/book/')) . '</p>';
- $output .= '<h3>' . t('Uses') . '</h3>';
- $output .= '<dl>';
- $output .= '<dt>' . t('Adding and managing book content') . '</dt>';
- $output .= '<dd>' . t('You can assign separate permissions for <em>creating</em>, <em>editing</em>, and <em>deleting</em> book content, as well as <em>adding content to books</em>, and <em>creating new books</em>. Users with the <em>Administer book outlines</em> permission can add <em>any</em> type of content to a book by selecting the appropriate book outline while editing the content. They can also view a list of all books, and edit and rearrange section titles on the <a href="@admin-book">Book administration page</a>.', array('@admin-book' => url('admin/content/book'))) . '</dd>';
- $output .= '<dt>' . t('Book navigation') . '</dt>';
- $output .= '<dd>' . t("Book pages have a default book-specific navigation block. This navigation block contains links that lead to the previous and next pages in the book, and to the level above the current page in the book's structure. This block can be enabled on the <a href='@admin-block'>Blocks administration page</a>. For book pages to show up in the book navigation, they must be added to a book outline.", array('@admin-block' => url('admin/structure/block'))) . '</dd>';
- $output .= '<dt>' . t('Collaboration') . '</dt>';
- $output .= '<dd>' . t('Books can be created collaboratively, as they allow users with appropriate permissions to add pages into existing books, and add those pages to a custom table of contents menu.') . '</dd>';
- $output .= '<dt>' . t('Printing books') . '</dt>';
- $output .= '<dd>' . t("Users with the <em>View printer-friendly books</em> permission can select the <em>printer-friendly version</em> link visible at the bottom of a book page's content to generate a printer-friendly display of the page and all of its subsections.") . '</dd>';
- $output .= '</dl>';
- return $output;
- case 'admin/content/book':
- return '<p>' . t('The book module offers a means to organize a collection of related content pages, collectively known as a book. When viewed, this content automatically displays links to adjacent book pages, providing a simple navigation system for creating and reviewing structured content.') . '</p>';
- case 'node/%/outline':
- return '<p>' . t('The outline feature allows you to include pages in the <a href="@book">Book hierarchy</a>, as well as move them within the hierarchy or to <a href="@book-admin">reorder an entire book</a>.', array('@book' => url('book'), '@book-admin' => url('admin/content/book'))) . '</p>';
- }
- }
- function book_theme() {
- return array(
- 'book_navigation' => array(
- 'variables' => array('book_link' => NULL),
- 'template' => 'book-navigation',
- ),
- 'book_export_html' => array(
- 'variables' => array('title' => NULL, 'contents' => NULL, 'depth' => NULL),
- 'template' => 'book-export-html',
- ),
- 'book_admin_table' => array(
- 'render element' => 'form',
- ),
- 'book_title_link' => array(
- 'variables' => array('link' => NULL),
- ),
- 'book_all_books_block' => array(
- 'render element' => 'book_menus',
- 'template' => 'book-all-books-block',
- ),
- 'book_node_export_html' => array(
- 'variables' => array('node' => NULL, 'children' => NULL),
- 'template' => 'book-node-export-html',
- ),
- );
- }
- function book_permission() {
- return array(
- 'administer book outlines' => array(
- 'title' => t('Administer book outlines'),
- ),
- 'create new books' => array(
- 'title' => t('Create new books'),
- ),
- 'add content to books' => array(
- 'title' => t('Add content and child pages to books'),
- ),
- 'access printer-friendly version' => array(
- 'title' => t('View printer-friendly books'),
- 'description' => t('View a book page and all of its sub-pages as a single document for ease of printing. Can be performance heavy.'),
- ),
- );
- }
- function book_node_view_link($node, $view_mode) {
- $links = array();
- if (isset($node->book['depth'])) {
- if ($view_mode == 'full' && node_is_page($node)) {
- $child_type = variable_get('book_child_type', 'book');
- if ((user_access('add content to books') || user_access('administer book outlines')) && node_access('create', $child_type) && $node->status == 1 && $node->book['depth'] < MENU_MAX_DEPTH) {
- $links['book_add_child'] = array(
- 'title' => t('Add child page'),
- 'href' => 'node/add/' . str_replace('_', '-', $child_type),
- 'query' => array('parent' => $node->book['mlid']),
- );
- }
- if (user_access('access printer-friendly version')) {
- $links['book_printer'] = array(
- 'title' => t('Printer-friendly version'),
- 'href' => 'book/export/html/' . $node->nid,
- 'attributes' => array('title' => t('Show a printer-friendly version of this book page and its sub-pages.'))
- );
- }
- }
- }
- if (!empty($links)) {
- $node->content['links']['book'] = array(
- '#theme' => 'links__node__book',
- '#links' => $links,
- '#attributes' => array('class' => array('links', 'inline')),
- );
- }
- }
- function book_menu() {
- $items['admin/content/book'] = array(
- 'title' => 'Books',
- 'description' => "Manage your site's book outlines.",
- 'page callback' => 'book_admin_overview',
- 'access arguments' => array('administer book outlines'),
- 'type' => MENU_LOCAL_TASK,
- 'file' => 'book.admin.inc',
- );
- $items['admin/content/book/list'] = array(
- 'title' => 'List',
- 'type' => MENU_DEFAULT_LOCAL_TASK,
- );
- $items['admin/content/book/settings'] = array(
- 'title' => 'Settings',
- 'page callback' => 'drupal_get_form',
- 'page arguments' => array('book_admin_settings'),
- 'access arguments' => array('administer site configuration'),
- 'type' => MENU_LOCAL_TASK,
- 'weight' => 8,
- 'file' => 'book.admin.inc',
- );
- $items['admin/content/book/%node'] = array(
- 'title' => 'Re-order book pages and change titles',
- 'page callback' => 'drupal_get_form',
- 'page arguments' => array('book_admin_edit', 3),
- 'access callback' => '_book_outline_access',
- 'access arguments' => array(3),
- 'type' => MENU_CALLBACK,
- 'file' => 'book.admin.inc',
- );
- $items['book'] = array(
- 'title' => 'Books',
- 'page callback' => 'book_render',
- 'access arguments' => array('access content'),
- 'type' => MENU_SUGGESTED_ITEM,
- 'file' => 'book.pages.inc',
- );
- $items['book/export/%/%'] = array(
- 'page callback' => 'book_export',
- 'page arguments' => array(2, 3),
- 'access arguments' => array('access printer-friendly version'),
- 'type' => MENU_CALLBACK,
- 'file' => 'book.pages.inc',
- );
- $items['node/%node/outline'] = array(
- 'title' => 'Outline',
- 'page callback' => 'book_outline',
- 'page arguments' => array(1),
- 'access callback' => '_book_outline_access',
- 'access arguments' => array(1),
- 'type' => MENU_LOCAL_TASK,
- 'weight' => 2,
- 'file' => 'book.pages.inc',
- );
- $items['node/%node/outline/remove'] = array(
- 'title' => 'Remove from outline',
- 'page callback' => 'drupal_get_form',
- 'page arguments' => array('book_remove_form', 1),
- 'access callback' => '_book_outline_remove_access',
- 'access arguments' => array(1),
- 'file' => 'book.pages.inc',
- );
- return $items;
- }
- function _book_outline_access($node) {
- return user_access('administer book outlines') && node_access('view', $node);
- }
- function _book_outline_remove_access($node) {
- return _book_node_is_removable($node) && _book_outline_access($node);
- }
- function _book_node_is_removable($node) {
- return (!empty($node->book['bid']) && (($node->book['bid'] != $node->nid) || !$node->book['has_children']));
- }
- function book_admin_paths() {
- if (variable_get('node_admin_theme')) {
- $paths = array(
- 'node/*/outline' => TRUE,
- 'node/*/outline/remove' => TRUE,
- );
- return $paths;
- }
- }
- function book_entity_info_alter(&$info) {
-
- $info['node']['view modes'] += array(
- 'print' => array(
- 'label' => t('Print'),
- 'custom settings' => FALSE,
- ),
- );
- }
- function book_block_info() {
- $block = array();
- $block['navigation']['info'] = t('Book navigation');
- $block['navigation']['cache'] = DRUPAL_CACHE_PER_PAGE | DRUPAL_CACHE_PER_ROLE;
- return $block;
- }
- function book_block_view($delta = '') {
- $block = array();
- $current_bid = 0;
- if ($node = menu_get_object()) {
- $current_bid = empty($node->book['bid']) ? 0 : $node->book['bid'];
- }
- if (variable_get('book_block_mode', 'all pages') == 'all pages') {
- $block['subject'] = t('Book navigation');
- $book_menus = array();
- $pseudo_tree = array(0 => array('below' => FALSE));
- foreach (book_get_books() as $book_id => $book) {
- if ($book['bid'] == $current_bid) {
-
-
- $book_menus[$book_id] = menu_tree_output(menu_tree_all_data($node->book['menu_name'], $node->book));
- }
- else {
-
-
- $book['in_active_trail'] = FALSE;
-
- $book_node = node_load($book['nid']);
- $book['access'] = node_access('view', $book_node);
- $pseudo_tree[0]['link'] = $book;
- $book_menus[$book_id] = menu_tree_output($pseudo_tree);
- }
- }
- $book_menus['#theme'] = 'book_all_books_block';
- $block['content'] = $book_menus;
- }
- elseif ($current_bid) {
-
- $select = db_select('node', 'n')
- ->fields('n', array('title'))
- ->condition('n.nid', $node->book['bid'])
- ->addTag('node_access');
- $title = $select->execute()->fetchField();
-
- if ($title) {
- $tree = menu_tree_all_data($node->book['menu_name'], $node->book);
-
- $data = array_shift($tree);
- $block['subject'] = theme('book_title_link', array('link' => $data['link']));
- $block['content'] = ($data['below']) ? menu_tree_output($data['below']) : '';
- }
- }
- return $block;
- }
- function book_block_configure($delta = '') {
- $block = array();
- $options = array(
- 'all pages' => t('Show block on all pages'),
- 'book pages' => t('Show block only on book pages'),
- );
- $form['book_block_mode'] = array(
- '#type' => 'radios',
- '#title' => t('Book navigation block display'),
- '#options' => $options,
- '#default_value' => variable_get('book_block_mode', 'all pages'),
- '#description' => t("If <em>Show block on all pages</em> is selected, the block will contain the automatically generated menus for all of the site's books. If <em>Show block only on book pages</em> is selected, the block will contain only the one menu corresponding to the current page's book. In this case, if the current page is not in a book, no block will be displayed. The <em>Page specific visibility settings</em> or other visibility settings can be used in addition to selectively display this block."),
- );
- return $form;
- }
- function book_block_save($delta = '', $edit = array()) {
- $block = array();
- variable_set('book_block_mode', $edit['book_block_mode']);
- }
- function theme_book_title_link($variables) {
- $link = $variables['link'];
- $link['options']['attributes']['class'] = array('book-title');
- return l($link['title'], $link['href'], $link['options']);
- }
- function book_get_books() {
- $all_books = &drupal_static(__FUNCTION__);
- if (!isset($all_books)) {
- $all_books = array();
- $nids = db_query("SELECT DISTINCT(bid) FROM {book}")->fetchCol();
- if ($nids) {
- $query = db_select('book', 'b', array('fetch' => PDO::FETCH_ASSOC));
- $query->join('node', 'n', 'b.nid = n.nid');
- $query->join('menu_links', 'ml', 'b.mlid = ml.mlid');
- $query->addField('n', 'type', 'type');
- $query->addField('n', 'title', 'title');
- $query->fields('b');
- $query->fields('ml');
- $query->condition('n.nid', $nids, 'IN');
- $query->condition('n.status', 1);
- $query->orderBy('ml.weight');
- $query->orderBy('ml.link_title');
- $query->addTag('node_access');
- $result2 = $query->execute();
- foreach ($result2 as $link) {
- $link['href'] = $link['link_path'];
- $link['options'] = unserialize($link['options']);
- $all_books[$link['bid']] = $link;
- }
- }
- }
- return $all_books;
- }
- function book_form_node_form_alter(&$form, &$form_state, $form_id) {
- $node = $form['#node'];
- $access = user_access('administer book outlines');
- if (!$access) {
- if (user_access('add content to books') && ((!empty($node->book['mlid']) && !empty($node->nid)) || book_type_is_allowed($node->type))) {
-
- $access = TRUE;
- }
- }
- if ($access) {
- _book_add_form_elements($form, $form_state, $node);
-
-
-
- $form['book']['pick-book'] = array(
- '#type' => 'submit',
- '#value' => t('Change book (update list of parents)'),
- '#submit' => array('book_pick_book_nojs_submit'),
- '#weight' => 20,
- );
- }
- }
- function book_pick_book_nojs_submit($form, &$form_state) {
- $form_state['node']->book = $form_state['values']['book'];
- $form_state['rebuild'] = TRUE;
- }
- function _book_parent_select($book_link) {
- if (variable_get('menu_override_parent_selector', FALSE)) {
- return array();
- }
-
- $form = array(
- '#type' => 'hidden',
- '#value' => -1,
- '#prefix' => '<div id="edit-book-plid-wrapper">',
- '#suffix' => '</div>',
- );
- if ($book_link['nid'] === $book_link['bid']) {
-
- if ($book_link['original_bid'] === $book_link['bid']) {
- $form['#prefix'] .= '<em>' . t('This is the top-level page in this book.') . '</em>';
- }
- else {
- $form['#prefix'] .= '<em>' . t('This will be the top-level page in this book.') . '</em>';
- }
- }
- elseif (!$book_link['bid']) {
- $form['#prefix'] .= '<em>' . t('No book selected.') . '</em>';
- }
- else {
- $form = array(
- '#type' => 'select',
- '#title' => t('Parent item'),
- '#default_value' => $book_link['plid'],
- '#description' => t('The parent page in the book. The maximum depth for a book and all child pages is !maxdepth. Some pages in the selected book may not be available as parents if selecting them would exceed this limit.', array('!maxdepth' => MENU_MAX_DEPTH)),
- '#options' => book_toc($book_link['bid'], $book_link['parent_depth_limit'], array($book_link['mlid'])),
- '#attributes' => array('class' => array('book-title-select')),
- '#prefix' => '<div id="edit-book-plid-wrapper">',
- '#suffix' => '</div>',
- );
- }
- return $form;
- }
- function _book_add_form_elements(&$form, &$form_state, $node) {
-
-
- if (isset($form_state['values']['book'])) {
- $node->book = $form_state['values']['book'];
- }
- $form['book'] = array(
- '#type' => 'fieldset',
- '#title' => t('Book outline'),
- '#weight' => 10,
- '#collapsible' => TRUE,
- '#collapsed' => TRUE,
- '#group' => 'additional_settings',
- '#attributes' => array(
- 'class' => array('book-outline-form'),
- ),
- '#attached' => array(
- 'js' => array(drupal_get_path('module', 'book') . '/book.js'),
- ),
- '#tree' => TRUE,
- );
- foreach (array('menu_name', 'mlid', 'nid', 'router_path', 'has_children', 'options', 'module', 'original_bid', 'parent_depth_limit') as $key) {
- $form['book'][$key] = array(
- '#type' => 'value',
- '#value' => $node->book[$key],
- );
- }
- $form['book']['plid'] = _book_parent_select($node->book);
-
- $form['book']['weight'] = array(
- '#type' => 'weight',
- '#title' => t('Weight'),
- '#default_value' => $node->book['weight'],
- '#delta' => max(15, abs($node->book['weight'])),
- '#weight' => 5,
- '#description' => t('Pages at a given level are ordered first by weight and then by title.'),
- );
- $options = array();
- $nid = isset($node->nid) ? $node->nid : 'new';
- if (isset($node->nid) && ($nid == $node->book['original_bid']) && ($node->book['parent_depth_limit'] == 0)) {
-
- $options[$node->nid] = $node->title;
- }
- else {
- foreach (book_get_books() as $book) {
- $options[$book['nid']] = $book['title'];
- }
- }
- if (user_access('create new books') && ($nid == 'new' || ($nid != $node->book['original_bid']))) {
-
- $options = array($nid => '<' . t('create a new book') . '>') + $options;
- }
- if (!$node->book['mlid']) {
-
- $options = array(0 => '<' . t('none') . '>') + $options;
- }
-
- $form['book']['bid'] = array(
- '#type' => 'select',
- '#title' => t('Book'),
- '#default_value' => $node->book['bid'],
- '#options' => $options,
- '#access' => (bool) $options,
- '#description' => t('Your page will be a part of the selected book.'),
- '#weight' => -5,
- '#attributes' => array('class' => array('book-title-select')),
- '#ajax' => array(
- 'callback' => 'book_form_update',
- 'wrapper' => 'edit-book-plid-wrapper',
- 'effect' => 'fade',
- 'speed' => 'fast',
- ),
- );
- }
- function book_form_update($form, $form_state) {
- return $form['book']['plid'];
- }
- function _book_update_outline($node) {
- if (empty($node->book['bid'])) {
- return FALSE;
- }
- $new = empty($node->book['mlid']);
- $node->book['link_path'] = 'node/' . $node->nid;
- $node->book['link_title'] = $node->title;
- $node->book['parent_mismatch'] = FALSE;
- if ($node->book['bid'] == $node->nid) {
- $node->book['plid'] = 0;
- $node->book['menu_name'] = book_menu_name($node->nid);
- }
- else {
-
- if (!empty($node->book['plid'])) {
- $parent = db_query("SELECT * FROM {book} WHERE mlid = :mlid", array(
- ':mlid' => $node->book['plid'],
- ))->fetchAssoc();
- }
- if (empty($node->book['plid']) || !$parent || $parent['bid'] != $node->book['bid']) {
- $node->book['plid'] = db_query("SELECT mlid FROM {book} WHERE nid = :nid", array(
- ':nid' => $node->book['bid'],
- ))->fetchField();
- $node->book['parent_mismatch'] = TRUE;
- }
- }
- if (menu_link_save($node->book)) {
- if ($new) {
-
- db_insert('book')
- ->fields(array(
- 'nid' => $node->nid,
- 'mlid' => $node->book['mlid'],
- 'bid' => $node->book['bid'],
- ))
- ->execute();
-
- drupal_static_reset('book_get_books');
- }
- else {
- if ($node->book['bid'] != db_query("SELECT bid FROM {book} WHERE nid = :nid", array(
- ':nid' => $node->nid,
- ))->fetchField()) {
-
- book_update_bid($node->book);
-
- drupal_static_reset('book_get_books');
- }
- }
- return TRUE;
- }
-
- return FALSE;
- }
- function book_update_bid($book_link) {
- $query = db_select('menu_links');
- $query->addField('menu_links', 'mlid');
- for ($i = 1; $i <= MENU_MAX_DEPTH && $book_link["p$i"]; $i++) {
- $query->condition("p$i", $book_link["p$i"]);
- }
- $mlids = $query->execute()->fetchCol();
- if ($mlids) {
- db_update('book')
- ->fields(array('bid' => $book_link['bid']))
- ->condition('mlid', $mlids, 'IN')
- ->execute();
- }
- }
- function book_get_flat_menu($book_link) {
- $flat = &drupal_static(__FUNCTION__, array());
- if (!isset($flat[$book_link['mlid']])) {
-
- $tree = menu_tree_all_data($book_link['menu_name'], $book_link, $book_link['depth'] + 1);
- $flat[$book_link['mlid']] = array();
- _book_flatten_menu($tree, $flat[$book_link['mlid']]);
- }
- return $flat[$book_link['mlid']];
- }
- function _book_flatten_menu($tree, &$flat) {
- foreach ($tree as $data) {
- if (!$data['link']['hidden']) {
- $flat[$data['link']['mlid']] = $data['link'];
- if ($data['below']) {
- _book_flatten_menu($data['below'], $flat);
- }
- }
- }
- }
- function book_prev($book_link) {
-
- if ($book_link['plid'] == 0) {
- return NULL;
- }
- $flat = book_get_flat_menu($book_link);
-
- $curr = NULL;
- do {
- $prev = $curr;
- list($key, $curr) = each($flat);
- } while ($key && $key != $book_link['mlid']);
- if ($key == $book_link['mlid']) {
-
- if ($prev['depth'] == $book_link['depth'] && $prev['has_children']) {
-
- $tree = book_menu_subtree_data($prev);
- $data = array_shift($tree);
-
- while ($data['below']) {
- $data = end($data['below']);
- }
- return $data['link'];
- }
- else {
- return $prev;
- }
- }
- }
- function book_next($book_link) {
- $flat = book_get_flat_menu($book_link);
-
- do {
- list($key, $curr) = each($flat);
- }
- while ($key && $key != $book_link['mlid']);
- if ($key == $book_link['mlid']) {
- return current($flat);
- }
- }
- function book_children($book_link) {
- $flat = book_get_flat_menu($book_link);
- $children = array();
- if ($book_link['has_children']) {
-
- do {
- $link = array_shift($flat);
- }
- while ($link && ($link['mlid'] != $book_link['mlid']));
-
- while (($link = array_shift($flat)) && $link['plid'] == $book_link['mlid']) {
- $data['link'] = $link;
- $data['below'] = '';
- $children[] = $data;
- }
- }
- if ($children) {
- $elements = menu_tree_output($children);
- return drupal_render($elements);
- }
- return '';
- }
- function book_menu_name($bid) {
- return 'book-toc-' . $bid;
- }
- function book_node_load($nodes, $types) {
- $result = db_query("SELECT * FROM {book} b INNER JOIN {menu_links} ml ON b.mlid = ml.mlid WHERE b.nid IN (:nids)", array(':nids' => array_keys($nodes)), array('fetch' => PDO::FETCH_ASSOC));
- foreach ($result as $record) {
- $nodes[$record['nid']]->book = $record;
- $nodes[$record['nid']]->book['href'] = $record['link_path'];
- $nodes[$record['nid']]->book['title'] = $record['link_title'];
- $nodes[$record['nid']]->book['options'] = unserialize($record['options']);
- }
- }
- function book_node_view($node, $view_mode) {
- if ($view_mode == 'full') {
- if (!empty($node->book['bid']) && empty($node->in_preview)) {
- $node->content['book_navigation'] = array(
- '#markup' => theme('book_navigation', array('book_link' => $node->book)),
- '#weight' => 100,
- );
- }
- }
- if ($view_mode != 'rss') {
- book_node_view_link($node, $view_mode);
- }
- }
- function book_page_alter(&$page) {
- if (($node = menu_get_object()) && !empty($node->book['bid'])) {
- $active_menus = menu_get_active_menu_names();
- $active_menus[] = $node->book['menu_name'];
- menu_set_active_menu_names($active_menus);
- }
- }
- function book_node_presave($node) {
-
- if (!empty($node->book['bid']) && !user_access('administer nodes')) {
- $node->revision = 1;
-
- if (!isset($node->log)) {
- $node->log = '';
- }
- }
-
- if (empty($node->nid)) {
- $node->book['mlid'] = NULL;
- }
- }
- function book_node_insert($node) {
- if (!empty($node->book['bid'])) {
- if ($node->book['bid'] == 'new') {
-
- $node->book['bid'] = $node->nid;
- }
- $node->book['nid'] = $node->nid;
- $node->book['menu_name'] = book_menu_name($node->book['bid']);
- _book_update_outline($node);
- }
- }
- function book_node_update($node) {
- if (!empty($node->book['bid'])) {
- if ($node->book['bid'] == 'new') {
-
- $node->book['bid'] = $node->nid;
- }
- $node->book['nid'] = $node->nid;
- $node->book['menu_name'] = book_menu_name($node->book['bid']);
- _book_update_outline($node);
- }
- }
- function book_node_delete($node) {
- if (!empty($node->book['bid'])) {
- if ($node->nid == $node->book['bid']) {
-
- $result = db_query("SELECT b.nid FROM {menu_links} ml INNER JOIN {book} b on b.mlid = ml.mlid WHERE ml.plid = :plid", array(
- ':plid' => $node->book['mlid']
- ));
- foreach ($result as $child) {
- $child_node = node_load($child->nid);
- $child_node->book['bid'] = $child_node->nid;
- _book_update_outline($child_node);
- }
- }
- menu_link_delete($node->book['mlid']);
- db_delete('book')
- ->condition('mlid', $node->book['mlid'])
- ->execute();
- drupal_static_reset('book_get_books');
- }
- }
- function book_node_prepare($node) {
-
- if (empty($node->book) && (user_access('add content to books') || user_access('administer book outlines'))) {
- $node->book = array();
- if (empty($node->nid) && isset($_GET['parent']) && is_numeric($_GET['parent'])) {
-
- $parent = book_link_load($_GET['parent']);
- if ($parent && $parent['access']) {
- $node->book['bid'] = $parent['bid'];
- $node->book['plid'] = $parent['mlid'];
- $node->book['menu_name'] = $parent['menu_name'];
- }
- }
-
- $node->book += _book_link_defaults(!empty($node->nid) ? $node->nid : 'new');
- }
- else {
- if (isset($node->book['bid']) && !isset($node->book['original_bid'])) {
- $node->book['original_bid'] = $node->book['bid'];
- }
- }
-
- if (isset($node->book['bid']) && !isset($node->book['parent_depth_limit'])) {
- $node->book['parent_depth_limit'] = _book_parent_depth_limit($node->book);
- }
- }
- function _book_parent_depth_limit($book_link) {
- return MENU_MAX_DEPTH - 1 - (($book_link['mlid'] && $book_link['has_children']) ? menu_link_children_relative_depth($book_link) : 0);
- }
- function book_form_node_delete_confirm_alter(&$form, $form_state) {
- $node = node_load($form['nid']['#value']);
- if (isset($node->book) && $node->book['has_children']) {
- $form['book_warning'] = array(
- '#markup' => '<p>' . t('%title is part of a book outline, and has associated child pages. If you proceed with deletion, the child pages will be relocated automatically.', array('%title' => $node->title)) . '</p>',
- '#weight' => -10,
- );
- }
- }
- function _book_link_defaults($nid) {
- return array('original_bid' => 0, 'menu_name' => '', 'nid' => $nid, 'bid' => 0, 'router_path' => 'node/%', 'plid' => 0, 'mlid' => 0, 'has_children' => 0, 'weight' => 0, 'module' => 'book', 'options' => array());
- }
- function template_preprocess_book_all_books_block(&$variables) {
-
- $elements = $variables['book_menus'];
- $variables['book_menus'] = array();
- foreach (element_children($elements) as $index) {
- $variables['book_menus'][$index] = $elements[$index];
- }
- }
- function template_preprocess_book_navigation(&$variables) {
- $book_link = $variables['book_link'];
-
- $variables['book_id'] = $book_link['bid'];
- $variables['book_title'] = check_plain($book_link['link_title']);
- $variables['book_url'] = 'node/' . $book_link['bid'];
- $variables['current_depth'] = $book_link['depth'];
- $variables['tree'] = '';
- if ($book_link['mlid']) {
- $variables['tree'] = book_children($book_link);
- if ($prev = book_prev($book_link)) {
- $prev_href = url($prev['href']);
- drupal_add_html_head_link(array('rel' => 'prev', 'href' => $prev_href));
- $variables['prev_url'] = $prev_href;
- $variables['prev_title'] = check_plain($prev['title']);
- }
- if ($book_link['plid'] && $parent = book_link_load($book_link['plid'])) {
- $parent_href = url($parent['href']);
- drupal_add_html_head_link(array('rel' => 'up', 'href' => $parent_href));
- $variables['parent_url'] = $parent_href;
- $variables['parent_title'] = check_plain($parent['title']);
- }
- if ($next = book_next($book_link)) {
- $next_href = url($next['href']);
- drupal_add_html_head_link(array('rel' => 'next', 'href' => $next_href));
- $variables['next_url'] = $next_href;
- $variables['next_title'] = check_plain($next['title']);
- }
- }
- $variables['has_links'] = FALSE;
-
- $links = array('prev_url', 'prev_title', 'parent_url', 'parent_title', 'next_url', 'next_title');
- foreach ($links as $link) {
- if (isset($variables[$link])) {
-
- $variables['has_links'] = TRUE;
- }
- else {
-
- $variables[$link] = '';
- }
- }
- }
- function _book_toc_recurse($tree, $indent, &$toc, $exclude, $depth_limit) {
- foreach ($tree as $data) {
- if ($data['link']['depth'] > $depth_limit) {
-
- break;
- }
- if (!in_array($data['link']['mlid'], $exclude)) {
- $toc[$data['link']['mlid']] = $indent . ' ' . truncate_utf8($data['link']['title'], 30, TRUE, TRUE);
- if ($data['below']) {
- _book_toc_recurse($data['below'], $indent . '--', $toc, $exclude, $depth_limit);
- }
- }
- }
- }
- function book_toc($bid, $depth_limit, $exclude = array()) {
- $tree = menu_tree_all_data(book_menu_name($bid));
- $toc = array();
- _book_toc_recurse($tree, '', $toc, $exclude, $depth_limit);
- return $toc;
- }
- function template_preprocess_book_export_html(&$variables) {
- global $base_url, $language;
- $variables['title'] = check_plain($variables['title']);
- $variables['base_url'] = $base_url;
- $variables['language'] = $language;
- $variables['language_rtl'] = ($language->direction == LANGUAGE_RTL);
- $variables['head'] = drupal_get_html_head();
- $variables['dir'] = $language->direction ? 'rtl' : 'ltr';
- }
- function book_export_traverse($tree, $visit_func) {
- $output = '';
- foreach ($tree as $data) {
-
- if ($node = node_load($data['link']['nid'], FALSE)) {
- $children = '';
- if ($data['below']) {
- $children = book_export_traverse($data['below'], $visit_func);
- }
- if (function_exists($visit_func)) {
- $output .= call_user_func($visit_func, $node, $children);
- }
- else {
-
- $output .= book_node_export($node, $children);
- }
- }
- }
- return $output;
- }
- function book_node_export($node, $children = '') {
- $build = node_view($node, 'print');
- unset($build['#theme']);
-
- $node->rendered = drupal_render($build);
- return theme('book_node_export_html', array('node' => $node, 'children' => $children));
- }
- function template_preprocess_book_node_export_html(&$variables) {
- $variables['depth'] = $variables['node']->book['depth'];
- $variables['title'] = check_plain($variables['node']->title);
- $variables['content'] = $variables['node']->rendered;
- }
- function book_type_is_allowed($type) {
- return in_array($type, variable_get('book_allowed_types', array('book')));
- }
- function book_node_type_update($type) {
- if (!empty($type->old_type) && $type->old_type != $type->type) {
-
- $allowed_types = variable_get('book_allowed_types', array('book'));
- $key = array_search($type->old_type, $allowed_types);
- if ($key !== FALSE) {
- $allowed_types[$type->type] = $allowed_types[$key] ? $type->type : 0;
- unset($allowed_types[$key]);
- variable_set('book_allowed_types', $allowed_types);
- }
-
- if (variable_get('book_child_type', 'book') == $type->old_type) {
- variable_set('book_child_type', $type->type);
- }
- }
- }
- function book_link_load($mlid) {
- if ($item = db_query("SELECT * FROM {menu_links} ml INNER JOIN {book} b ON b.mlid = ml.mlid LEFT JOIN {menu_router} m ON m.path = ml.router_path WHERE ml.mlid = :mlid", array(
- ':mlid' => $mlid,
- ))->fetchAssoc()) {
- _menu_link_translate($item);
- return $item;
- }
- return FALSE;
- }
- function book_menu_subtree_data($link) {
- $tree = &drupal_static(__FUNCTION__, array());
-
- $cid = 'links:' . $link['menu_name'] . ':subtree-cid:' . $link['mlid'];
- if (!isset($tree[$cid])) {
- $cache = cache_get($cid, 'cache_menu');
- if ($cache && isset($cache->data)) {
-
-
- $cache = cache_get($cache->data, 'cache_menu');
- if ($cache && isset($cache->data)) {
- $data = $cache->data;
- }
- }
-
- if (!isset($data)) {
- $query = db_select('menu_links', 'ml', array('fetch' => PDO::FETCH_ASSOC));
- $query->join('menu_router', 'm', 'm.path = ml.router_path');
- $query->join('book', 'b', 'ml.mlid = b.mlid');
- $query->fields('b');
- $query->fields('m', array('load_functions', 'to_arg_functions', 'access_callback', 'access_arguments', 'page_callback', 'page_arguments', 'delivery_callback', 'title', 'title_callback', 'title_arguments', 'type'));
- $query->fields('ml');
- $query->condition('menu_name', $link['menu_name']);
- for ($i = 1; $i <= MENU_MAX_DEPTH && $link["p$i"]; ++$i) {
- $query->condition("p$i", $link["p$i"]);
- }
- for ($i = 1; $i <= MENU_MAX_DEPTH; ++$i) {
- $query->orderBy("p$i");
- }
- $links = array();
- foreach ($query->execute() as $item) {
- $links[] = $item;
- }
- $data['tree'] = menu_tree_data($links, array(), $link['depth']);
- $data['node_links'] = array();
- menu_tree_collect_node_links($data['tree'], $data['node_links']);
-
- $tree_cid = 'links:' . $item['menu_name'] . ':subtree-data:' . hash('sha256', serialize($data));
-
- if (!cache_get($tree_cid, 'cache_menu')) {
- cache_set($tree_cid, $data, 'cache_menu');
- }
-
- cache_set($cid, $tree_cid, 'cache_menu');
- }
-
- menu_tree_check_access($data['tree'], $data['node_links']);
- $tree[$cid] = $data['tree'];
- }
- return $tree[$cid];
- }
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