问chartMouseListener和MouseListener

EN

boolean isDoubleClicked = false;
chartPanel.addMouseListener(new MouseListener() {
        @Override
        public void mouseClicked(MouseEvent me) {
            if (me.getClickCount() == 2 &&) {
                isDoubleClicked = true;
            }
        }
        @Override
        public void mousePressed(MouseEvent me) {}
        @Override
        public void mouseReleased(MouseEvent me) {}
        @Override
        public void mouseEntered(MouseEvent me) {}
        @Override
        public void mouseExited(MouseEvent me) {}
    });



chartPanel.addChartMouseListener(new ChartMouseListener() {
        @Override
        public void chartMouseClicked(ChartMouseEvent cme) {
            if (isDoubleClicked)
                System.out.println("Double clicked!");
        }
        @Override
        public void chartMouseMoved(ChartMouseEvent cme) {}
    });