handlemouse.java

《Java课程设计》第二版

import java.awt.event.*;
import java.awt.*;
import java.util.*;
import javax.swing.*;
public class HandleMouse extends JPanel implements MouseListener,ActionListener {  
    Point [] point;
    ArrayList<Integer> step;
    int spendTime=0;
    javax.swing.Timer recordTime;
    boolean success=false,countTime=false; 
    JTextField showTime;
    HandleMouse(){
       step=new ArrayList<Integer>();
       recordTime=new javax.swing.Timer(1000,this);
       showTime=new JTextField(26); 
       showTime.setEditable(false);
       showTime.setHorizontalAlignment(JTextField.CENTER);
       showTime.setFont(new Font("楷体_GB2312",Font.BOLD,18));
       add(new JLabel("负责处理鼠标事件,并显示您的用时:",JLabel.CENTER));
       add(showTime);
       setBackground(Color.cyan);
    } 
    public void setPoint(Point [] point){
        this.point=point;
    }
    public void initStep(){
       step.clear();
    }
    public void initSpendTime(){
       spendTime=0;
       showTime.setText(null);
       recordTime.stop();
    }
    public ArrayList<Integer> getStep(){
       return step;
    }
    public void setCountTime(boolean b){
       countTime=b; 
    }
    public void mousePressed(MouseEvent e){
        if(countTime)
           recordTime.start();
        else
           showTime.setText("不给您计时");
        Animal animal=null;
        animal=(Animal)e.getSource();
        int w=animal.getBounds().width;
        int h=animal.getBounds().height;
        int m=-1;
        Point startPoint=animal.getAtPoint(); 
        for(int i=0;i<point.length;i++){   
             if(point[i].equals(startPoint)){
                 m=i;
                 break; 
             }
        }        
        if(animal.getIsLeft()==true&&m<=point.length-2){
           if(point[m+1].isHaveAnimal()==false){
              animal.setLocation(point[m+1].getX()-w/2,point[m+1].getY()-h);
              animal.setAtPoint(point[m+1]);  
              point[m+1].setThisAnimal(animal);
              point[m+1].setIsHaveAnimal(true);
              startPoint.setIsHaveAnimal(false);
              step.add(m);
              step.add(m+1);
           }
           else if(m+1<=point.length-2&&point[m+2].isHaveAnimal()==false){
              animal.setLocation(point[m+2].getX()-w/2,point[m+2].getY()-h);
              animal.setAtPoint(point[m+2]);  
              point[m+2].setThisAnimal(animal);
              point[m+2].setIsHaveAnimal(true);
              startPoint.setIsHaveAnimal(false);
              step.add(m);
              step.add(m+2);
          }
        }
        else if(animal.getIsLeft()==false&&m>=1){
          if(point[m-1].isHaveAnimal()==false){
              animal.setLocation(point[m-1].getX()-w/2,point[m-1].getY()-h);
              animal.setAtPoint(point[m-1]);  
              point[m-1].setThisAnimal(animal);
              point[m-1].setIsHaveAnimal(true);
              startPoint.setIsHaveAnimal(false);
              step.add(m);
              step.add(m-1); 
           }
           else if(m-1>=1&&point[m-2].isHaveAnimal()==false){
              animal.setLocation(point[m-2].getX()-w/2,point[m-2].getY()-h);
              animal.setAtPoint(point[m-2]);  
              point[m-2].setThisAnimal(animal);
              point[m-2].setIsHaveAnimal(true);
              startPoint.setIsHaveAnimal(false);
              step.add(m);
              step.add(m-2); 
          }
        }
    } 
    public void actionPerformed(ActionEvent e){
          spendTime++;
          showTime.setText("您的用时:"+spendTime+"秒");
    } 
    public boolean isSuccess(){
       boolean boo=true;
       int i=0;
       for(i=0;i<point.length/2;i++){   
         if(point[i].getThisAnimal().getIsLeft()==true
            ||point[i+point.length/2+1].getThisAnimal().getIsLeft()==false){
              boo=false;
              break;
         }
       } 
       return boo;     
    } 
    public void mouseReleased(MouseEvent e){
       if(isSuccess()==true) {
           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){}
}