void FolderNavigationWidgetFactory::saveSettings(int position, QWidget *widget)
{
    FolderNavigationWidget *fnw = qobject_cast<FolderNavigationWidget *>(widget);
    QTC_ASSERT(fnw, return);
    QSettings *settings = Core::ICore::settings();
    const QString baseKey = QLatin1String("FolderNavigationWidget.") + QString::number(position);
    settings->setValue(baseKey + QLatin1String(".HiddenFilesFilter"), fnw->hiddenFilesFilter());
    settings->setValue(baseKey + QLatin1String(".SyncWithEditor"), fnw->autoSynchronization());
}