// Decompiled by Jad v1.5.7f. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) 
// Source File Name:   movesquare.java
import java.applet.Applet;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;

public class movesquare extends Applet implements ActionListener
{
    Panel p;
    JButton b[];
    Label l;
    int cnt;
    boolean flag;
    Image ig;
    ImageIcon h;
    public movesquare()
    {
    }
	public void init()
    {
    	  ig=getImage(getCodeBase(),"01.jpg");
    	  h=new ImageIcon(ig);
        p = new Panel();
        l = new Label("ready");
        cnt = 0;
        flag = false;
        b = new JButton[16];
        GridLayout Grid = new GridLayout(4, 4, 0, 0);
        p.setLayout(Grid);
        for(int i = 15; i > -1; i--)
        {
            cnt++;
            if(i != 0)
                {b[i] = new JButton(Integer.toString(i),h);
                
                
            }
            else
                b[i] = new JButton("");
            b[i].addActionListener(this);
            p.add(b[i]);
        }

        setLayout(new BorderLayout());
        add("North", l);
        add("Center", p);
        cnt = 0;
    }

    public void actionPerformed(ActionEvent e)
    {
        for(int j = 0; j < 16; j++)
        {
            if(b[j].getLabel() != e.getActionCommand())
                continue;
            if(cnt == j - 1 || cnt == j + 1 || cnt == j + 4 || cnt == j - 4)
            {
                b[cnt].setLabel(b[j].getActionCommand());
                b[cnt].setActionCommand(b[j].getActionCommand());
                b[cnt].setIcon(b[j].getIcon());
                b[j].setLabel("");
                b[j].setActionCommand("");
                b[j].setIcon(new ImageIcon());
                cnt = j;
                l.setText("繼續(xù),還未成功!");
                break;
            }
            l.setText("您不能移動這個方格!");
        }

        flag = true;
        int m = 1;
        do
        {
            if(m >= 16)
                break;
            if(b[m].getLabel().equals(Integer.toString((15 - m) + 1)))
            	m++;
                else
                {flag=false;
                break;
             }
         } while(true);
        
        if(flag)//if中使用object.equals(object)
        l.setText("成功拉~~");
      }
    }
//<applet code="movesquare.class" Width="650" Height="650"></applet>