1.20.x book.admin.inc | book_admin_edit_submit($form, &$form_state) |
Form submission handler for book_admin_edit().
This function takes care to save parent menu items before their children. Saving menu items in the incorrect order can break the menu tree.
See also
File
- modules/
book/ book.admin.inc, line 149 - Admin page callbacks for the Book module.
Code
function book_admin_edit_submit($form, &$form_state) {
// Save elements in the same order as defined in post rather than the form.
// This ensures parents are updated before their children, preventing orphans.
$order = array_flip(array_keys($form_state['input']['table']));
$form['table'] = array_merge($order, $form['table']);
foreach (element_children($form['table']) as $key) {
if ($form['table'][$key]['#item']) {
$row = $form['table'][$key];
$values = $form_state['values']['table'][$key];
// Update menu item if moved.
if ($row['plid']['#default_value'] != $values['plid'] || $row['weight']['#default_value'] != $values['weight']) {
$row['#item']['plid'] = $values['plid'];
$row['#item']['weight'] = $values['weight'];
menu_link_save($row['#item']);
}
// Update the title if changed.
if ($row['title']['#default_value'] != $values['title']) {
$node = node_load($values['nid']);
$langcode = LANGUAGE_NONE;
$node->title = $values['title'];
$node->book['link_title'] = $values['title'];
$node->revision = 1;
$node->log = t('Title changed from %original to %current.', array('%original' => $node->title, '%current' => $values['title']));
$node->save();
watchdog('content', 'book: updated %title.', array('%title' => $node->title), WATCHDOG_NOTICE, l(t('view'), 'node/' . $node->nid));
}
}
}
backdrop_set_message(t('Updated book %title.', array('%title' => $form['#node']->title)));
}