@Override
    public void update(String event) {
        if (event.equalsIgnoreCase("marked")) {
            this.imageViever.setImage(set.get("markedIcon.jpg"));
            
        }else if (event.equalsIgnoreCase("errorMarked")) {
            this.imageViever.setImage(set.get("errorMarkedIcon.jpg"));
            
        }else if (event.equalsIgnoreCase("*")) {
            this.imageViever.setImage(set.get("mineIcon.jpg"));
            
        }else if (event.equalsIgnoreCase("**")) {
            this.imageViever.setImage(set.get("explodedIcon.jpg"));
        }
    }