public void execute()
public void execute(PInputEvent e)
    public static PiccoloAction getZoomToFitAction(final BrowserModel model)    {        PiccoloAction action = new PiccoloAction()        {            public void execute()            {                model.setCurrentMode(BrowserModel.ZOOM_MODE_NAME,                                     BrowserMode.ZOOM_TO_FIT_MODE);            }        };        return action;    };