告诉你什么是优雅的代码(9)----山寨版猜珍珠

国庆长假百无聊赖，于是玩玩3366的游戏。
玩到一款小游戏http://www.3366.com/game/28866.shtml，觉得不错，挺适合我们这种高IQ的人玩。
出于职业敏感，开始想象这个游戏是怎么实现的。
发现很简单，或许能写个出来也未可知。于是说干就干，1小时写好了内核。
本来想搞个swing版的出来，苦于没有小中华那些神奇刀法，所以还没有写。只搞了个控制台版的出来。
不过对于深谙MVC设计模式的我而言，良好的设计使得程序转移到任何的V上都是轻而易举的事情。


今天抽空重拾swing的剩余记忆，发现快遗忘殆尽，举步维艰，花了大半天时间，好不容易终于打造好了swing版。
期间一直无法显示图片浪费了我的大好光阴，头发掉了一大把，教训深刻，大家谨记不磨刀就不要砍柴。
闲话休提，先来上几张图：

你猜珍珠，我猜笑脸。




以下是UI部分代码，可运行文件提供下载，直接双击运行。
大家玩玩吧，看你能找回笑脸不。

package app.guesspos;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.border.BevelBorder;


/**
 * 创建时间：Oct 9, 2010 9:06:19 AM
 * 项目名称：Test
 * @author D.Jun
 * @version 1.0 
 * @since JDK 1.6
 * 文件名称：GameFrame.java
 * 类说明：
 */
//VS4E -- DO NOT REMOVE THIS LINE!
public class GameFrame extends JFrame implements ActionListener {

	private static final long serialVersionUID = 1L;
	private JPanel jPanel0;
	private JPanel jPanel1;
	private JButton jButton0;
	private JButton jButton1;
	
	private Map model = new Map();
	
	private JButton[][] btns; 
	private int chance = 4;
	private int row;
	private int col;
	private static final String PREFERRED_LOOK_AND_FEEL = "javax.swing.plaf.metal.MetalLookAndFeel";
	public GameFrame() {
		initComponents();
	}

	private void initComponents() {
		this.setTitle("Designed By YangGuo");
		add(getJPanel0(), BorderLayout.NORTH);
		add(getJPanel1(), BorderLayout.CENTER);
		this.resetTitle();
		setSize(560, 650);
	}

	private JButton getJButton1() {
		if (jButton1 == null) {
			jButton1 = new JButton();
			jButton1.setBackground(new Color(255,0,0));
			jButton1.setForeground(new Color(255,255,255));
			
		}
		return jButton1;
	}

	private JButton getJButton0() {
		if (jButton0 == null) {
			jButton0 = new JButton();
			jButton0.setBackground(new Color(255,0,0));
			jButton0.setForeground(new Color(255,255,255));
			
		}
		return jButton0;
	}

	private JPanel getJPanel1() {
		if (jPanel1 == null) {
			jPanel1 = new JPanel();
//			jPanel1.setBackground(Color.blue);
			jPanel1.setBorder(BorderFactory.createBevelBorder(BevelBorder.LOWERED, null, null, null, null));
			row = model.getHeight();
			col = model.getWidth();
			jPanel1.setLayout(new GridLayout(row, col,1,1));			
	
			btns = new JButton[row][col];
			for (int i = 0; i < row; i++) {
				btns[i] = new JButton[col];
				
				for (int j = 0; j < col; j++) {
					btns[i][j] = new JButton();
					jPanel1.add(btns[i][j]);
				}
			}
			paintMap();
		}
		return jPanel1;
	}

	private void paintMap() {
		ImageIcon sad = new ImageIcon(getClass().getResource("/app/guesspos/sad.jpg"));
		model.createMap();
		for (int i = 0; i < row ; i++) {
			for (int j = 0; j < col; j++) {
				JButton obj = btns[i][j];
				obj.setText("");
				obj.removeActionListener(this);		
				obj.setIcon(null);
				obj.setEnabled(false);
				if(!model.isEmpty(i, j)){
					obj.setEnabled(true);
					obj.setIcon(sad);
					obj.addActionListener(this);
					obj.setActionCommand(i + "," + j);				
				}
			}			
		}
	}


	private JPanel getJPanel0() {
		if (jPanel0 == null) {
			jPanel0 = new JPanel();
			jPanel0.setBackground(Color.yellow);
			jPanel0.setPreferredSize(new Dimension(100, 100));
			jPanel0.setLayout(new FlowLayout());
			jPanel0.add(getJButton0());
			jPanel0.add(getJButton1());
		}
		return jPanel0;
	}

	private static void installLnF() {
		try {
			String lnfClassname = PREFERRED_LOOK_AND_FEEL;
			if (lnfClassname == null)
				lnfClassname = UIManager.getCrossPlatformLookAndFeelClassName();
			UIManager.setLookAndFeel(lnfClassname);
		} catch (Exception e) {
			System.err.println("Cannot install " + PREFERRED_LOOK_AND_FEEL
					+ " on this platform:" + e.getMessage());
		}
	}
	
	

	/**
	 * Main entry of the class.
	 * Note: This class is only created so that you can easily preview the result at runtime.
	 * It is not expected to be managed by the designer.
	 * You can modify it as you like.
	 */
	public static void main(String[] args) {
		installLnF();
		System.out.println(System.getProperty("user.dir"));
		SwingUtilities.invokeLater(new Runnable() {
			public void run() {
				GameFrame frame = new GameFrame();
				frame.setDefaultCloseOperation(GameFrame.EXIT_ON_CLOSE);
				frame.setTitle("GameFrame");
				frame.getContentPane().setPreferredSize(frame.getSize());
				frame.pack();
				frame.setLocationRelativeTo(null);
				frame.setVisible(true);
			}
		});
	}

	public void actionPerformed(ActionEvent e) {
		if(e.getSource() instanceof JButton){
			System.out.println(chance);
			chance--;
			
			JButton btn = (JButton)e.getSource();
			btn.setIcon(null);
			String index = btn.getActionCommand();
			int row = Integer.parseInt(index.split(",")[0]);
			int col = Integer.parseInt(index.split(",")[1]);
//			JOptionPane.showMessageDialog(this, index);
			int dis = model.farFrom(row, col);
			
			if(dis == 0){
				btn.setIcon(new ImageIcon(this.getClass().getResource("/app/guesspos/smile.jpg")));				
				JOptionPane.showMessageDialog(this, "Congratulation! Go on!");
				model.nextStep();
				chance = 4;
				this.paintMap();
				
			}
			
			else {		
				btn.setEnabled(false);
				btn.setText("" + dis);
				if(chance == 0){
					int play = JOptionPane.showConfirmDialog(this, "Game Over! Play again?");
					if(play != 0){
						this.dispose();
						
					}
					else{
						model.setStep(1);
						chance = 4;
						this.paintMap();
					}
				}
			}
			this.resetTitle();
		}
		
	}
	private void resetTitle() {
		jButton0.setText("step    " + model.getStep() );
		jButton1.setText("chance: " + chance);
		
	}
}