Test.java

package SOH;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class Test {
    private static int n = 3;
    private static JFrame frame;
    private static Toolkit tk = Toolkit.getDefaultToolkit();
    private static final int xSize = ((int) tk.getScreenSize().getWidth());
    private static final int ySize = ((int) tk.getScreenSize().getHeight())-50; // toolbar height
    public static JButton but1, but2, but3;
    public static JPanel pan, pan1, pan2, background;
    public static JLabel lab;
    private static SnowmanOfHanoi s;

    public Test() {
        frame = new JFrame("Welcome to Hanoi!");

        but1 = new JButton("Let it snow");
        /*but1.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                s.towerOfHanoi(n, 1, 2, 3);
            }
        });*/
        but2 = new JButton("<");
        but2.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent arg0) {
                if(n > 2) {
                    n--;
                    lab.setText(Integer.toString(n));
                    s.setN(n);
                }
            }
        });
        but3 = new JButton(">");
        but3.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent arg0) {
                if(n < 6) {
                    n++;
                    lab.setText(Integer.toString(n));
                    s.setN(n);
                }
            }
        });
        lab = new JLabel();
        lab.setText(Integer.toString(n));
        lab.setOpaque(true);

        pan1 = new JPanel();
        pan1.setOpaque(false);
        pan1.add(but1);

        pan2 = new JPanel(new GridBagLayout()) /*{
            public void paintComponent(Graphics g) {
                Image img = tk.getImage(MyLayout.class.getResource("sign.png"));
                g.drawImage(img, 1820, 150, this);
            }
        }*/;
        pan2.setOpaque(false);
        GridBagConstraints c = new GridBagConstraints();
        c.gridwidth = 2;
        c.gridx = 0;
        c.gridy = 0;
        pan2.add(lab, c);
        c.gridwidth = 1;
        c.gridy = 1;
        pan2.add(but2, c);
        c.gridx = 1;
        pan2.add(but3, c);

        frame.add(pan1, BorderLayout.NORTH);
        frame.add(pan2, BorderLayout.EAST);
        frame.setSize(xSize, ySize);
        frame.setVisible(true);
        frame.setResizable(false);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        s = new SnowmanOfHanoi(n, frame);
        frame.add(s);
        // s.towerOfHanoi(n, 1, 2, 3);
    }

    public static void main(String[] args) {
        new Test();
    }
}