UpdatePopupMenu.java 文件源码

private PopupMenu createPopupMenu(final TrayIcon trayIcon,
        final int menuCount) {

    final PopupMenu trayIconPopupMenu = new PopupMenu();

    for (int i = 1; i <= menuCount; ++i) {
        final MenuItem popupMenuItem = new MenuItem("MenuItem_" + i);

        popupMenuItem.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(final ActionEvent ae) {
                trayIcon.setPopupMenu(createPopupMenu(trayIcon,
                        menuCount + 1));
            }
        });

        trayIconPopupMenu.add(popupMenuItem);
    }

    return trayIconPopupMenu;
}