- <?php
-
- * @file
- * User page callbacks for the book module.
- */
-
- * Menu callback: Prints a listing of all books.
- *
- * @return string
- * A HTML-formatted string with the listing of all books content.
- *
- * @see book_menu()
- */
- function book_render() {
- $book_list = array();
- foreach (book_get_books() as $book) {
- $book_list[] = l($book['title'], $book['href'], $book['options']);
- }
-
- return theme('item_list', array('items' => $book_list));
- }
-
- * Page callback: Shows the outline form for a single node.
- *
- * @param Node $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(Node $node) {
- backdrop_set_title($node->title);
- return backdrop_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 Node $node
- * The book node for which to show the outline.
- *
- * @see book_outline_form_submit()
- * @see book_remove_button_submit()
- * @ingroup forms
- */
- function book_outline_form($form, &$form_state, Node $node) {
- if (!isset($node->book)) {
-
- $node->book = _book_link_defaults($node->nid);
- }
- else {
- $node->book['original_bid'] = $node->book['bid'];
- }
-
-
- if (!isset($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['book']['#collapsible'] = FALSE;
-
- $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/' . $form['#node']->nid . '/outline/remove';
- }
-
- * Form submission handler for book_outline_form().
- *
- * @see book_remove_button_submit()
- */
- function book_outline_form_submit($form, &$form_state) {
- $node = $form['#node'];
- $form_state['redirect'] = "node/" . $node->nid;
- $book_link = $form_state['values']['book'];
- if (!$book_link['bid']) {
- backdrop_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']) {
-
- backdrop_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->nid . "/outline";
- }
- else {
- backdrop_set_message(t('The book outline has been updated.'));
- }
- }
- else {
- backdrop_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 Node $node
- * The node to delete.
- *
- * @see book_remove_form_submit()
- * @see book_menu()
- * @ingroup forms
- */
- function book_remove_form($form, &$form_state, Node $node) {
- $form['#node'] = $node;
- $title = array('%title' => $node->title);
-
- if ($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->nid, $description, t('Remove'));
- }
-
- * Form submission handler for book_remove_form().
- */
- function book_remove_form_submit($form, &$form_state) {
- $node = $form['#node'];
- if (_book_node_is_removable($node)) {
- menu_link_delete($node->book['mlid']);
- db_delete('book')
- ->condition('nid', $node->nid)
- ->execute();
- backdrop_set_message(t('The post has been removed from the book.'));
- }
- $form_state['redirect'] = 'node/' . $node->nid;
- }