@Override
        public void onClick(MouseEvent event) {
          if (myFullValueEvaluator.isShowValuePopup()) {
            DebuggerUIUtil.showValuePopup(myFullValueEvaluator, event, myTree.getProject(), null);
          }
          else {
            new HeadlessValueEvaluationCallback(XValueNodeImpl.this).startFetchingValue(myFullValueEvaluator);
          }
          event.consume();
        }
@Override
        public void onClick(MouseEvent event)