handlemove.java

《Java课程设计》第二版

import java.awt.event.*;
import java.awt.*;
import javax.swing.*;
public class HandleMove extends JPanel implements MouseListener,ActionListener {  
    Point [][] point;
    int spendTime=0;
    javax.swing.Timer recordTime;
    JTextField showTime;
    VerifySuccess verify;
    HandleMove(){
        recordTime=new javax.swing.Timer(1000,this);
        showTime=new JTextField(16);
        showTime.setEditable(false);
        showTime.setHorizontalAlignment(JTextField.CENTER);
        showTime.setFont(new Font("楷体_GB2312",Font.BOLD,16));
        JLabel hitMess=new JLabel("用鼠标单击方块",JLabel.CENTER);
        hitMess.setFont(new Font("楷体_GB2312",Font.BOLD,18));      
        add(hitMess);
        add(showTime);
        setBackground(Color.cyan);
    } 
    public void setPoint(Point [][] p){
        point=p;
    }
    public void initSpendTime(){
        recordTime.stop();
        spendTime=0;
        showTime.setText(null);
    }
    public void setVerifySuccess(VerifySuccess verify){
        this.verify=verify;
    }
    public void mousePressed(MouseEvent e){
        recordTime.start();
        Block block=null;
        block=(Block)e.getSource();
        int w=block.getBounds().width;
        int h=block.getBounds().height;
        int startI=-1,startJ=-1,endI=-1,endJ=-1;
        Point startPoint=block.getAtPoint();
        Point endPoint=null;
        for(int i=0;i<point.length;i++){
           for(int j=0;j<point[0].length;j++)     
             if(point[i][j].equals(startPoint)){
                  startI=i;
                  startJ=j;
                  break; 
             }
        } 
        for(int i=0;i<point.length;i++){
           for(int j=0;j<point[0].length;j++)     
             if(point[i][j].isHaveBlock()==false){
                  endI=i;
                  endJ=j;
                  endPoint=point[i][j];
                  break; 
             }
        } 
        boolean moveCondition1=Math.abs(endI-startI)==1&&endJ==startJ;
        boolean moveCondition2=Math.abs(endJ-startJ)==1&&endI==startI; 
        if(moveCondition1||moveCondition2){
           block.setLocation(endPoint.getX(),endPoint.getY());
           block.setAtPoint(endPoint);  
           endPoint.setBlock(block);
           endPoint.setHaveBlock(true);
           startPoint.setHaveBlock(false);
        }        
    } 
    public void actionPerformed(ActionEvent e){
          spendTime++;
          showTime.setText("您的用时:"+spendTime+"秒");
    } 
    public void mouseReleased(MouseEvent e){
          if(verify.isSuccess()){
              recordTime.stop();
              JOptionPane.showMessageDialog(this,"您成功了!","消息框",
                                     JOptionPane.INFORMATION_MESSAGE );
          }
    }
    public void mouseEntered(MouseEvent e){}
    public void mouseExited(MouseEvent e){}
    public void mouseClicked(MouseEvent e){}
}