mymainframe.java

一个简单的java拼图小游戏

 /*3106006460罗祖志
  06级计算机科学与技术2班
 */

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;


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("选图");
		set.addActionListener(this);
		panelPreview=new JPanel();
		panelPreview.setLayout(null);
		Icon icon=new ImageIcon("pictrue/pic_"+MyCanvas.pictureID+".jpg");
		JLabel label=new JLabel(icon);
		label.setBounds(0,0,300,300);
		panelPreview.add(label);
		
		
		panelNorth=new JPanel();
		panelNorth.setBackground(Color.blue); //背景颜色
		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");     //标题
		this.setLocation(300,200);     //初始坐标
		this.setSize(308,365);         //大小
		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);
			//显示确认对话框
			if(i==JOptionPane.YES_OPTION){
				MyCanvas.pictureID=pic.getSelectedIndex()+1;
				myCanvas.reLoadPictrue();
				Icon icon=new ImageIcon("pictrue/pic_"+MyCanvas.pictureID+".jpg");
				JLabel label=new JLabel(icon);
				label.setBounds(0,0,300,300);
				panelPreview.removeAll();
				panelPreview.add(label);
				panelPreview.repaint();
			}
		}
	}

}