void ResourceEditorPlugin::renamePrefixContextMenu()
{
    ResourceFolderNode *node = static_cast<ResourceFolderNode *>(ProjectTree::currentNode());

    PrefixLangDialog dialog(tr("Rename Prefix"), node->prefix(), node->lang(), Core::ICore::mainWindow());
    if (dialog.exec() != QDialog::Accepted)
        return;
    QString prefix = dialog.prefix();
    if (prefix.isEmpty())
        return;

    node->renamePrefix(prefix, dialog.lang());
}