package com.test.swing;
 
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
 
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
 
/**
 * 这个是一个简单的扫雷例子，刚接触swing编写的，适合新手练习
 * 该程序使用setBounds（x,y,w,h）对控件布局
 * 做法参考win xp自带的扫雷，当然还写功能没做出来，
 * 另外做出来的功能有些还存在bug
 * 
 * @author Ping_QC
 */
public class Test extends JFrame implements ActionListener, Runnable,
 MouseListener {
 
 private static final long serialVersionUID = -2417758397965039613L;
 private final int EMPTY = 0;
 private final int MINE = 1;
 private final int CHECKED = 2;
 private final int MINE_COUNT = 10; // 雷的个数
 private final int BUTTON_BORDER = 50; // 每个点的尺寸
 private final int MINE_SIZE = 10; // 界面规格, 20x20
 private final int START_X = 20; // 起始位置x
 private final int START_Y = 50; // 起始位置y
 
 private boolean flag;
 private JButton[][] jb;
 private JLabel jl;
 private JLabel showTime;
 private int[][] map;
 /**
 * 检测某点周围是否有雷，周围点的坐标可由该数组计算得到
 */
 private int[][] mv = { { -1, 0 }, { -1, 1 }, { 0, 1 }, { 1, 1 }, { 1, 0 },
 { 1, -1 }, { 0, -1 }, { -1, -1 } };
 
 /**
 * 随机产生设定个数的雷
 */
 public void makeMine() {
 int i = 0, tx, ty;
 for (; i < MINE_COUNT;) {
 tx = (int) (Math.random() * MINE_SIZE);
 ty = (int) (Math.random() * MINE_SIZE);
 if (map[tx][ty] == EMPTY) {
 map[tx][ty] = MINE;
 i++; // 不记重复产生的雷
 }
 }
 }
 
 /**
 * 将button数组放到frame上，与map[][]数组对应
 */
 public void makeButton() {
 for (int i = 0; i < MINE_SIZE; i++) {
 for (int j = 0; j < MINE_SIZE; j++) {
 jb[i][j] = new JButton();
 // if (map[i][j] == MINE)
 // jb[i][j].setText(i+","+j);
 
 // listener add
 jb[i][j].addActionListener(this);
 jb[i][j].addMouseListener(this);
 
 jb[i][j].setName(i + "_" + j); // 方便点击是判断是点击了哪个按钮
 // Font font = new Font(Font.SERIF, Font.BOLD, 10);
 // jb[i][j].setFont(font);
 // jb[i][j].setText(i+","+j);
 jb[i][j].setBounds(j * BUTTON_BORDER + START_X, i
  * BUTTON_BORDER + START_Y, BUTTON_BORDER, BUTTON_BORDER);
 this.add(jb[i][j]);
 }
 }
 }
 
 public void init() {
 
 flag = false;
 
 jl.setText("欢迎测试，一共有" + MINE_COUNT + "个雷");
 jl.setVisible(true);
 jl.setBounds(20, 20, 500, 30);
 this.add(jl);
 
 showTime.setText("已用时：0 秒");
 showTime.setBounds(400, 20, 100, 30);
 this.add(showTime);
 
 makeMine();
 makeButton();
 this.setSize(550, 600);
 this.setLocation(700, 100);
 this.setResizable(false);
 this.setDefaultCloseOperation(EXIT_ON_CLOSE);
 this.setVisible(true);
 }
 
 public Test(String title) {
 super(title);
 
 this.setLayout(null); //不使用布局管理器，每个控件的位置用setBounds设定
 
 jb = new JButton[MINE_SIZE][MINE_SIZE];
 jl = new JLabel();
 showTime = new JLabel();
 map = new int[MINE_SIZE][MINE_SIZE]; // 将按钮映射到数组中
 }
 
 public static void main(String[] args) {
 Test test = new Test("Hello Miner!");
 test.init();
 test.run();
 }
 
 @Override
 public void actionPerformed(ActionEvent e) {
 
 Object obj = e.getSource();
 int x, y;
 if ((obj instanceof JButton) == false) {
 showMessage("错误", "内部错误");
 return;
 }
 String[] tmp_str = ((JButton) obj).getName().split("_");
 x = Integer.parseInt(tmp_str[0]);
 y = Integer.parseInt(tmp_str[1]);
 
 if (map[x][y] == MINE) {
 showMessage("死亡", "你踩到地雷啦~~~");
 flag = true;
 showMine();
 return;
 }
 dfs(x, y, 0);
 
 checkSuccess();
 }
 
 /**
 * 每次点击完后，判断有没有把全部雷都找到 通过计算状态为enable的按钮的个数来判断
 */
 private void checkSuccess() {
 int cnt = 0;
 for (int i = 0; i < MINE_SIZE; i++) {
 for (int j = 0; j < MINE_SIZE; j++) {
 if (jb[i][j].isEnabled()) {
  cnt++;
 }
 }
 }
 if (cnt == MINE_COUNT) {
 String tmp_str = showTime.getText();
 tmp_str = tmp_str.replaceAll("[^0-9]", "");
 showMessage("胜利", "本次扫雷共用时：" + tmp_str + "秒");
 flag = true;
 showMine();
 }
 }
 
 private int dfs(int x, int y, int d) {
 map[x][y] = CHECKED;
 int i, tx, ty, cnt = 0;
 for (i = 0; i < 8; i++) {
 tx = x + mv[i][0];
 ty = y + mv[i][1];
 if (tx >= 0 && tx < MINE_SIZE && ty >= 0 && ty < MINE_SIZE) {
 if (map[tx][ty] == MINE) {
  cnt++;// 该点附近雷数统计
 } else if (map[tx][ty] == EMPTY) {
  ;
 } else if (map[tx][ty] == CHECKED) {
  ;
 }
 }
 }
 if (cnt == 0) {
 for (i = 0; i < 8; i++) {
 tx = x + mv[i][0];
 ty = y + mv[i][1];
 if (tx >= 0 && tx < MINE_SIZE && ty >= 0 && ty < MINE_SIZE
  && map[tx][ty] != CHECKED) {
  dfs(tx, ty, d + 1);
 }
 }
 } else {
 jb[x][y].setText(cnt + "");
 }
 jb[x][y].setEnabled(false);
 return cnt;
 }
 
 /**
 * 在jl标签上显示一些信息
 * 
 * @param title
 * @param info
 */
 private void showMessage(String title, String info) {
 jl.setText(info);
 System.out.println("in functino showMessage() : " + info);
 }
 
 public void run() {
 int t = 0;
 while (true) {
 if (flag) {
 break;
 }
 try {
 Thread.sleep(1000);
 } catch (InterruptedException e) {
 e.printStackTrace();
 }
 t++;
 showTime.setText("已用时：" + t + " 秒");
 }
 // showMine();
 }
 
 private void showMine() {
// Icon iconMine = new ImageIcon("e:/mine.jpg");
 for (int i = 0; i < MINE_SIZE; i++) {
 for (int j = 0; j < MINE_SIZE; j++) {
 if (map[i][j] == MINE) {
  jb[i][j].setText("#");
//  jb[i][j].setIcon(iconMine);
 }
 }
 }
 }
 
 @Override
 public void mouseClicked(MouseEvent e) {
 if (e.getButton() == 3) {
 Object obj = e.getSource();
 if ((obj instanceof JButton) == false) {
 showMessage("错误", "内部错误");
 return;
 }
 String[] tmp_str = ((JButton) obj).getName().split("_");
 int x = Integer.parseInt(tmp_str[0]);
 int y = Integer.parseInt(tmp_str[1]);
 if ("{1}quot;.equals(jb[x][y].getText())) {
 jb[x][y].setText("");
 } else {
 jb[x][y].setText("{1}quot;);
 }
 /* if(jb[x][y].getIcon() == null){
 jb[x][y].setIcon(new ImageIcon("e:/flag.jpg"));
 }else{
 jb[x][y].setIcon(null);
 }*/
 }
 }
 
 @Override
 public void mousePressed(MouseEvent e) {
 // TODO Auto-generated method stub
 
 }
 
 @Override
 public void mouseReleased(MouseEvent e) {
 // TODO Auto-generated method stub
 
 }
 
 @Override
 public void mouseEntered(MouseEvent e) {
 // TODO Auto-generated method stub
 
 }
 
 @Override
 public void mouseExited(MouseEvent e) {
 // TODO Auto-generated method stub
 
 }
}