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- <?php
- if (module_exists('book')) {
- /**
- * Plugins are described by creating a $plugin array which will be used
- * by the system that includes this file.
- */
- $plugin = array(
- 'single' => TRUE,
- 'title' => t('Book navigation menu'),
- 'icon' => '../block/icon_core_block_menu.png',
- 'description' => t('The book menu belonging to the current book node.'),
- 'required context' => new ctools_context_required(t('Node'), 'node'),
- 'category' => t('Node'),
- );
- }
- function ctools_node_book_menu_content_type_render($subtype, $conf, $panel_args, $context) {
- $node = isset($context->data) ? clone($context->data) : NULL;
- $block = new stdClass();
- $block->module = 'book_menu';
- if ($conf['override_title']) {
- $block->title = t($conf['override_title_text']);
- }
- else {
- $block->title = t('Book navigation menu');
- }
- if ($node) {
- $block->delta = $node->nid;
- // TODO: the value is not available somehow?!?
- $book_block_mode = isset($conf['book_block_mode']) ? $conf['book_block_mode'] : 'book pages';
- // Code below is taken from function book_block_view().
- $current_bid = empty($node->book['bid']) ? 0 : $node->book['bid'];
- if ($book_block_mode === '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) {
- // If the current page is a node associated with a book, the menu
- // needs to be retrieved.
- $book_menus[$book_id] = menu_tree_output(menu_tree_all_data($node->book['menu_name'], $node->book));
- }
- else {
- // Since we know we will only display a link to the top node, there
- // is no reason to run an additional menu tree query for each book.
- $book['in_active_trail'] = FALSE;
- // Check whether user can access the book link.
- $book_node = node_load($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) {
- // Only display this block when the user is browsing a book.
- $select = db_select('node', 'n')
- ->fields('n', array('title'))
- ->condition('n.nid', $node->book['bid'])
- ->addTag('node_access');
- $title = $select->execute()->fetchField();
- // Only show the block if the user has view access for the top-level node.
- if ($title) {
- $tree = menu_tree_all_data($node->book['menu_name'], $node->book);
- // There should only be one element at the top level.
- $data = array_shift($tree);
- // TODO: subject is not rendered
- $block->subject = theme('book_title_link', array('link' => $data['link']));
- $block->content = ($data['below']) ? menu_tree_output($data['below']) : '';
- }
- }
- }
- else {
- $block->content = t('Book navigation pager goes here.');
- $block->delta = 'unknown';
- }
- return $block;
- }
- function ctools_node_book_menu_content_type_admin_title($subtype, $conf, $context) {
- return t('"@s" book navigation pager', array('@s' => $context->identifier));
- }
- function ctools_node_book_menu_content_type_edit_form($form, &$form_state) {
- // Grab block form from the book module.
- $block_form = book_block_configure($delta = '');
- // TODO: this does not work yet.
- // See TODO in: ctools_node_book_menu_content_type_render
- if (isset($form_state['input']['book_block_mode'])) {
- $block_form['book_block_mode']['#default_value'] = $form_state['input']['book_block_mode'];
- }
- $form += $block_form;
- return $form;
- }
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