function book_node_type_update

Implements hook_node_type_update().

Updates book.settings configuration object if the machine-readable name of a node type is changed.

File

drupal/core/modules/book/book.module, line 1233

Allows users to create and organize related content in an outline.

Code

function book_node_type_update($type) {
  if (!empty($type->old_type) && $type->old_type != $type->type) {
    $config = config('book.settings');

    // Update the list of node types that are allowed to be added to books.
    $allowed_types = $config
      ->get('allowed_types');
    $old_key = array_search($type->old_type, $allowed_types);
    if ($old_key !== FALSE) {

      // Replace the old machine-readable name with the new machine-readable
      // name.
      $allowed_types[$old_key] = $type->type;

      // Ensure that the allowed_types array is sorted consistently.
      // @see book_admin_settings_submit()
      sort($allowed_types);
      $config
        ->set('allowed_types', $allowed_types);
    }

    // Update the setting for the "Add child page" link.
    if ($config
      ->get('child_type') == $type->old_type) {
      $config
        ->set('child_type', $type->type);
    }
    $config
      ->save();
  }
}