/*
* JAVA小游戏－拼图 我做的第一个小游戏
* Cell类是继承的按钮类，并加上相应图形，形成方格
*MyCanvas是一个面板，加载Cell类的对象（方格），是这三个类中的核心
*/
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Choice;
import java.awt.Color;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.Icon;
import javax.swing.JButton;
public class MyMainFrame extends JFrame implements ActionListener {
MyCanvas myCanvas;
JPanel panelNorth, panelPreview;//定义上方的面板，及预览所需的面板
Button start, preview, set;//定义开始，预览，设定按钮
Container container;//容器，得到内容面板
public MyMainFrame() {//初使化
container = this.getContentPane();
start = new Button("开始");
start.addActionListener(this);
preview = new Button("预览");
preview.addActionListener(this);
set = new Button("设置");
set.addActionListener(this);
panelPreview = new JPanel();
panelPreview.setLayout(null);
Icon icon = new ImageIcon("pic_" + MyCanvas.pictureID + ".jpg");
JLabel label = new JLabel(icon);
label.setBounds(0, 0, 300, 300);
panelPreview.add(label);
panelNorth = new JPanel();
panelNorth.setBackground(Color.red);
panelNorth.add(start);
panelNorth.add(preview);
panelNorth.add(set);
myCanvas = new MyCanvas();
container.add(myCanvas, BorderLayout.CENTER);
container.add(panelNorth, BorderLayout.NORTH);
this.setTitle("拼图小游戏-明");
this.setLocation(300, 200);
this.setSize(308, 365);
this.setResizable(false);
this.setVisible(true);
this.setDefaultCloseOperation(3);
}
public static void main(String[] args) {
// TODO 自动生成方法存根
new MyMainFrame();
}
public void actionPerformed(ActionEvent arg0) {//对三个按钮事件的处理
// TODO 自动生成方法存根
Button button = (Button) arg0.getSource();
if (button == start) {
myCanvas.Start();
} else if (button == preview) {
if (button.getLabel() == "预览") {
container.remove(myCanvas);
container.add(panelPreview);
panelPreview.updateUI();
container.repaint();
button.setLabel("返回");
} else {
container.remove(panelPreview);
container.add(myCanvas);
container.repaint();
button.setLabel("预览");
}
} else if (button == set) {//修改所选图片
Choice pic = new Choice();
pic.add("小猫");
pic.add("小猪");
pic.add("云");
pic.add("QQ");
pic.add("卡通");
pic.add("花");
int i = JOptionPane.showConfirmDialog(this, pic, "选择图片", JOptionPane.OK_CANCEL_OPTION);
if (i == JOptionPane.YES_OPTION) {
MyCanvas.pictureID = pic.getSelectedIndex() + 1;
myCanvas.reLoadPictrue();
Icon icon = new ImageIcon("pic_" + MyCanvas.pictureID + ".jpg");
JLabel label = new JLabel(icon);
label.setBounds(0, 0, 300, 300);
panelPreview.removeAll();
panelPreview.add(label);
panelPreview.repaint();
}
}
}
}
class MyCanvas extends JPanel implements MouseListener {
boolean hasAddActionListener = false;//设置方格的动作监听器的标志位，TRUE为已经添加上动作事件，FALSE是尚未添加动作事件
Cell cell[];//定义方格
Rectangle cellNull;//定义空方格区域
public static int pictureID = 1;//当前选择的图片代号
public MyCanvas() {
this.setLayout(null);
this.setSize(400, 400);
cellNull = new Rectangle(200, 200, 100, 100);//空方格区域在第三行每三列
cell = new Cell[9];
Icon icon;
for (int i = 0; i < 3; i++) {//为9个方格加载图片，并初使化坐标，形成三行三列
for (int j = 0; j < 3; j++) {
icon = new ImageIcon("pic_" + pictureID + "_" + (i * 3 + j + 1) + ".jpg");
cell[i * 3 + j] = new Cell(icon);
cell[i * 3 + j].setLocation(j * 100, i * 100);
this.add(cell[i * 3 + j]);
}
}
this.remove(cell[8]);//移除最后一个多余的方格
}
public void reLoadPictrue() {//当选择其它图形进行拼图时，需重新加载新图片
Icon icon;
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
icon = new ImageIcon("pic_" + pictureID + "_" + (i * 3 + j + 1) + ".jpg");
cell[i * 3 + j].setIcon(icon);
}
}
}
public boolean isFinish() {//判断是否拼合成功
for (int i = 0; i < 8; i++) {
int x = cell[i].getBounds().x;
int y = cell[i].getBounds().y;
if (y / 100 * 3 + x / 100 != i) {
return false;
}
}
return true;
}
public void Start() {//对方格进行重新排列，打乱顺序
while (cell[0].getBounds().x <= 100 && cell[0].getBounds().y <= 100) {//当第一个方格距左上角较近时
int x = cellNull.getBounds().x;
int y = cellNull.getBounds().y;
int direction = (int) (Math.random() * 4);//产生0-4，对应空方格的上下左右移动
if (direction == 0) {//空方格左移动，与左侧方格互换位置，左侧方格右移动
x -= 100;
if (test(x, y)) {
for (int j = 0; j < 8; j++) {
if ((cell[j].getBounds().x == x) && (cell[j].getBounds().y == y)) {//依次寻找左侧的按钮
cell[j].move("RIGHT", 100);
cellNull.setLocation(x, y);
break;//找到后跳出for循环
}
}
}
} else if (direction == 1) {//RIGHT
x += 100;
if (test(x, y)) {
for (int j = 0; j < 8; j++) {
if ((cell[j].getBounds().x == x) && (cell[j].getBounds().y == y)) {
cell[j].move("LEFT", 100);
cellNull.setLocation(x, y);
break;
}
}
}
} else if (direction == 2) {//UP
y -= 100;
if (test(x, y)) {
for (int j = 0; j < 8; j++) {
if ((cell[j].getBounds().x == x) && (cell[j].getBounds().y == y)) {
cell[j].move("DOWN", 100);
cellNull.setLocation(x, y);
break;
}
}
}
} else {//DOWN
y += 100;
if (test(x, y)) {
for (int j = 0; j < 8; j++) {
if ((cell[j].getBounds().x == x) && (cell[j].getBounds().y == y)) {
cell[j].move("UP", 100);
cellNull.setLocation(x, y);
break;
}
}
}
}
}
if (!hasAddActionListener)//如果尚未添加动作事件，则添加
{
for (int i = 0; i < 8; i++)//为第个方格添加动作事件，这样单击按钮就能移动了
{
cell[i].addMouseListener(this);
}
}
hasAddActionListener = true;
}
private boolean test(int x, int y) {
if ((x >= 0 && x <= 200) || (y >= 0 && y <= 200)) {
return true;
} else {
return false;
}
}
// public void paint(Graphics g){
//
// for(int i=0;i<=300;i+=100)
// g.drawLine(0, i, 300, i);
// for(int i=0;i<=300;i+=100)
// g.drawLine(i, 0, i, 300);
// for(int i=0;i<8;i++)
// cell[i].repaint();
// }
public void mouseClicked(MouseEvent arg0) {
}
public void mouseEntered(MouseEvent arg0) {
}
public void mouseExited(MouseEvent arg0) {
}
public void mouseReleased(MouseEvent arg0) {
}
public void mousePressed(MouseEvent arg0) {//方格的鼠标事件，因为用到了MyCanvas中的一些方法，因此没有在Cell类中处理鼠标事件
Cell button = (Cell) arg0.getSource();
int x1 = button.getBounds().x;//得到所单击方格的坐标
int y1 = button.getBounds().y;
int x2 = cellNull.getBounds().x;//得到空方格的坐标
int y2 = cellNull.getBounds().y;
if (x1 == x2 && y1 - y2 == 100)//进行比较，如果满足条件则进行交换
{
button.move("UP", 100);
} else if (x1 == x2 && y1 - y2 == -100) {
button.move("DOWN", 100);
} else if (x1 - x2 == 100 & y1 == y2) {
button.move("LEFT", 100);
} else if (x1 - x2 == -100 && y1 == y2) {
button.move("RIGHT", 100);
} else {
return;//不满足就不进行任何处理
}
cellNull.setLocation(x1, y1);
this.repaint();
if (this.isFinish()) {//进行是否完成的判断
JOptionPane.showMessageDialog(this, "恭喜你完成拼图,加油！");
for (int i = 0; i < 8; i++) {
cell[i].removeMouseListener(this);//如果已完成，撤消鼠标事件，鼠标单击方格不在起作用
}
hasAddActionListener = false;
}
}
}
class Cell extends JButton {
Cell(Icon icon) {//实际为ICON
super(icon);
this.setSize(100, 100);
}
public void move(String direction, int sleep) {//方格的移动
if (direction == "UP") {
this.setLocation(this.getBounds().x, this.getBounds().y - 100);
} else if (direction == "DOWN") {
this.setLocation(this.getBounds().x, this.getBounds().y + 100);
} else if (direction == "LEFT") {
this.setLocation(this.getBounds().x - 100, this.getBounds().y);
} else {
this.setLocation(this.getBounds().x + 100, this.getBounds().y);
}
}
}