public static class SelectPathActionListener extends EventListener<UIBreadcumbs> {
public void execute(Event<UIBreadcumbs> event) throws Exception {
UIBreadcumbs uiBreadcumbs = event.getSource();
UIGroupManagement uiGroupManagement = uiBreadcumbs.getAncestorOfType(UIGroupManagement.class);
UIGroupExplorer uiGroupExplorer = uiGroupManagement.getChild(UIGroupExplorer.class);
LocalPath localPath = uiBreadcumbs.getSelectLocalPath();
if (localPath != null) {
String selectGroupId = uiBreadcumbs.getSelectLocalPath().getId();
uiGroupExplorer.changeGroup(selectGroupId);
} else {
uiGroupExplorer.changeGroup(null);