function book_helper_display_delete_book_page_warning in Book helper 7

Same name and namespace in other branches

1. 6 book_helper.module \book_helper_display_delete_book_page_warning()

Display a warning warning when deleting a book page that has child pages.

1 call to book_helper_display_delete_book_page_warning()

book_helper_help in ./book_helper.module

Implements hook_help().

File

./book_helper.module, line 358

Improves Drupal's core book module's functionality.

Code

function book_helper_display_delete_book_page_warning($nid) {
  $node = node_load($nid);
  if (isset($node->book) && $node->book['bid'] != $node->nid) {
    $book_node = node_load($node->book['bid']);
    $query = 'SELECT mlid, link_title AS title, link_path AS href FROM {menu_links} WHERE plid=:plid ORDER BY weight';
    $args = array(
      ':plid' => $node->book['mlid'],
    );
    $result = db_query($query, $args);
    $links = array();
    foreach ($result as $record) {
      $links[$record->mlid] = (array) $record;
    }
    if (empty($links)) {
      return;
    }
    $t_args = array(
      '!book' => l($book_node->title, 'node' . $book_node->nid),
    );
    $output = t('The below book pages are not going to be deleted, they will be moved to the root of the !book book.', $t_args) . '<br />' . t('It is recommended that you delete or move these pages before proceeding.') . theme('links', array(
      'links' => $links,
    ));
    drupal_set_message($output, 'warning');
  }
}