@Override
 protected void installNavigationActions() {
   // TODO Auto-generated method stub
   super.installNavigationActions();
   ZoomOutAction zoomOutAction = new ZoomOutAction();
   zoomOutAction.setTarget(monthView);
   monthView.getActionMap().put("zoomOut", zoomOutAction);
 }
 @Override
 public void install(JXMonthView monthView) {
   super.install(monthView);
   getHeaderComponent()
       .setActions(
           monthView.getActionMap().get("previousMonth"),
           monthView.getActionMap().get("nextMonth"),
           monthView.getActionMap().get("zoomOut"));
 }
 @Override
 public void uninstall(JXMonthView monthView) {
   getHeaderComponent().setActions(null, null, null);
   super.uninstall(monthView);
 }