MenuTreeStorage::updateParentalStatus

protected MenuTreeStorage::updateParentalStatus(array $link)

protected function updateParentalStatus(array $link) {
  // If parent is empty, there is nothing to update.
  if (!empty($link['parent'])) {
    // Check if at least one visible child exists in the table.
    $query = $this->connection->select($this->table, $this->options);
    $query->addExpression('1');
    $query->range(0, 1);
    $query
    ->condition('menu_name', $link['menu_name'])
      ->condition('parent', $link['parent'])
      ->condition('enabled', 1);

    $parent_has_children = ((bool) $query->execute()->fetchField()) ? 1 : 0;
    $this->connection->update($this->table, $this->options)
      ->fields(array('has_children' => $parent_has_children))
      ->condition('id', $link['parent'])
      ->execute();
  }
}