import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
/**
* 开窗户游戏。当你点击游戏界面中的一个正方形按钮时， 它周围的正方形按钮的颜色就会发生变化，当全部正方形按钮的颜色变为一色时，你就胜利了
*/
public class 变色方块 {
public static void main(String[] args) {
JFrame frame = new JFrame("开窗户游戏");
frame.getContentPane().add(new MainPanel());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.pack();
frame.setVisible(true);
}
}
/**
* 主面板
*/
class MainPanel extends JPanel {
SquarePanel pc = new SquarePanel();
ControlPanel ps = new ControlPanel(pc);
public MainPanel() {
this.setLayout(new BorderLayout());
this.add(pc, "Center");
this.add(ps, "South");
}
}
/**
* 方块的面板
*/
class SquarePanel extends JPanel {
// 包括25个窗户按钮
JButton[] winbutton = new JButton[25];
Color c;
public SquarePanel() {
// 面板采用网格布局管理器
this.setLayout(new GridLayout(5, 5));
for (int i = 0; i < 25; i++) {
winbutton[i] = new JButton();
winbutton[i].setActionCommand(String.valueOf(i));
// 获得默认颜色
c = winbutton[i].getBackground();
winbutton[i].addActionListener(new OpenWindowListener());
this.add(winbutton[i]);
}
// 面板大小值为300*300
this.setPreferredSize(new Dimension(300, 300));
}
/**
* 单击一个窗户按钮时引起开窗户事件
*/
class OpenWindowListener implements ActionListener {
public void actionPerformed(ActionEvent a) {
// 获取被点击窗户的ID
int x = Integer.parseInt(a.getActionCommand());
// 设置被点击窗户被选。
select(x);
// 判断是否胜利
isWin();
}
// 当一个窗户被选中时进行的操作。需要改变周围窗户的颜色。
private void select(int x) {
if (x == 0) {
changeColor(winbutton[x]);
changeColor(winbutton[x + 1]);
changeColor(winbutton[x + 5]);
} else if (x > 0 && x < 4) {
changeColor(winbutton[x]);
changeColor(winbutton[x - 1]);
changeColor(winbutton[x + 1]);
changeColor(winbutton[x + 5]);
} else if (x == 4) {
changeColor(winbutton[x]);
changeColor(winbutton[x - 1]);
changeColor(winbutton[x + 5]);
} else if (x == 20) {
changeColor(winbutton[x]);
changeColor(winbutton[x - 5]);
changeColor(winbutton[x + 1]);
} else if (x == 24) {
changeColor(winbutton[x]);
changeColor(winbutton[x - 5]);
changeColor(winbutton[x - 1]);
} else if (x > 20 && x < 24) {
changeColor(winbutton[x]);
changeColor(winbutton[x - 5]);
changeColor(winbutton[x - 1]);
changeColor(winbutton[x + 1]);
} else if (x % 5 == 0) {
changeColor(winbutton[x]);
changeColor(winbutton[x - 5]);
changeColor(winbutton[x + 1]);
changeColor(winbutton[x + 5]);
} else if (x % 5 == 4) {
changeColor(winbutton[x]);
changeColor(winbutton[x - 5]);
changeColor(winbutton[x - 1]);
changeColor(winbutton[x + 5]);
} else {
changeColor(winbutton[x]);
changeColor(winbutton[x - 5]);
changeColor(winbutton[x - 1]);
changeColor(winbutton[x + 1]);
changeColor(winbutton[x + 5]);
}
}
// 改变周围颜色函数。
private void changeColor(JButton winbutton) {
// 如果窗户的颜色是初始颜色，则变成白色。
if (winbutton.getBackground() == c) {
winbutton.setBackground(Color.white);
} else {
// 如果窗户的颜色不是初始颜色，则变成初始颜色
winbutton.setBackground(c);
}
}
// 判断是否胜出
private void isWin() {
int a = 1;
// 当25个窗户都变成白色时，获胜
for (int i = 0; i < 25; i++) {
if (winbutton[i].getBackground() == Color.white) {
a++;
}
}
if (a > 25) {
JOptionPane.showMessageDialog(null, "恭喜过关");
}
}
}
}
/**
* 控制面板
*/
class ControlPanel extends JPanel {
JLabel label = new JLabel("开窗户游戏");
// 游戏重新开始按钮
JButton restart = new JButton("重置");
SquarePanel pc;
/**
* 构造函数，参数为待控制的窗户面板
*/
public ControlPanel(SquarePanel pc) {
this.pc = pc;
restart.addActionListener(new Reset());
this.add(label);
this.add(restart);
}
/**
* 重设窗户面板，将所有窗户变成初始颜色
*/
class Reset implements ActionListener {
public void actionPerformed(ActionEvent a) {
for (int i = 0; i < 25; i++) {
pc.winbutton[i].setBackground(pc.c);
}
}
}
}
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