public CloudsNode(RefreshableUI refreshableUI) {
super(null);
this.refreshableUI = refreshableUI;
addAction = new CloudDetailsAddAction() {
@Override
protected void onCloudDetailsAdded(ConfigurationDetails details) {
RefreshableUI refreshableUI = getRefreshableUI();
if (refreshableUI instanceof HasViewer) {
HasViewer v = (HasViewer) refreshableUI;