function book_admin_orphan

Menu callback; displays a listing of all orphaned book pages.

File

modules/book/book.module, line 897

Allows users to collaboratively author a book.

Code

function book_admin_orphan() {
  $result = db_query(db_rewrite_sql('SELECT n.nid, n.title, n.status, b.parent FROM {node} n INNER JOIN {book} b ON n.vid = b.vid'));
  $pages = array();
  while ($page = db_fetch_object($result)) {
    $pages[$page->nid] = $page;
  }
  $orphans = array();
  if (count($pages)) {
    foreach ($pages as $page) {
      if ($page->parent && empty($pages[$page->parent])) {
        $orphans[] = node_load($page->nid);
      }
    }
  }
  if (count($orphans)) {
    $form['table'] = _book_admin_table($orphans);
    $form['save'] = array(
      '#type' => 'submit',
      '#value' => t('Save book pages'),
    );
  }
  else {
    $form['error'] = array(
      '#value' => '<p>' . t('There are no orphan pages.') . '</p>',
    );
  }
  $form['#base'] = 'book_admin_edit';
  return $form;
}