protected void addActionsTo(DefaultActionGroup group) {
   group.add(new MyGroupByPackagesAction());
   group.add(new GroupByChangeListAction());
   group.add(ActionManager.getInstance().getAction(IdeActions.ACTION_EXPAND_ALL));
   group.add(ActionManager.getInstance().getAction(IdeActions.ACTION_COLLAPSE_ALL));
   group.add(ActionManager.getInstance().getAction("Diff.UpdatedFiles"));
 }
 private void updateMenu() {
   PopupHandler.installPopupHandler(
       this, myMenuGroup, ActionPlaces.CHANGES_VIEW_POPUP, ActionManager.getInstance());
 }