/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package hannoi;
/**
*
* @author Administrator
*/
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class HannoiTower extends JPanel implements MouseListener,MouseMotionListener
{
TowerPoint point[];
int x,y;
boolean move=false;
Disk 盘子[];
int startX,startY;
int startI ;
int 盘子数目=0;
int width,height;
char towerName[]={'A','B','C'};
TextArea 信息条=null;
public HannoiTower(int number,int w,int h,char[] name,TextArea text)
{
towerName=name;
盘子数目=number;
width=w;
height=h;
信息条=text;
setLayout(null);
addMouseListener(this);
addMouseMotionListener(this);
盘子= new Disk[盘子数目];
point=new TowerPoint[3*盘子数目];
int space=20;
for(int i=0;i<盘子数目;i++)
{
point[i]=new TowerPoint(40+width,100+space,false);
space=space+height;
}
space=20;
for(int i=盘子数目;i<2*盘子数目;i++)
{
point[i]=new TowerPoint(160+width,100+space,false);
space=space+height;
}
space=20;
for(int i=2*盘子数目;i<3*盘子数目;i++)
{
point[i]=new TowerPoint(280+width,100+space,false);
space=space+height;
}
int tempWidth=width;
int sub=(int)(tempWidth*0.2);
for(int i=盘子数目-1;i>=0;i--)
{
盘子[i]=new Disk(i,this);
盘子[i].setSize(tempWidth,height);
tempWidth=tempWidth-sub;
}
for(int i=0;i<盘子数目;i++)
{
point[i].放置盘子(盘子[i],this);
if(i>=1)
盘子[i].set上方有盘(true);
}
}
public void paintComponent(Graphics g)
{
super.paintComponent(g);
g.drawLine(point[0].getX(),point[0].getY(),
point[盘子数目-1].getX(),point[盘子数目-1].getY());
g.drawLine(point[盘子数目].getX(),point[盘子数目].getY(),
point[2*盘子数目-1].getX(),point[2*盘子数目-1].getY());
g.drawLine(point[2*盘子数目].getX(),point[2*盘子数目].getY(),
point[3*盘子数目-1].getX(),point[3*盘子数目-1].getY());
g.drawLine(point[盘子数目-1].getX()-width,point[盘子数目-1].getY(),
point[3*盘子数目-1].getX()+width,point[3*盘子数目-1].getY());
int leftx=point[盘子数目-1].getX()-width;
int lefty=point[盘子数目-1].getY();
int w=(point[3*盘子数目-1].getX()+width)-(point[盘子数目-1].getX()-width);
int h=height/2;
g.setColor(Color.orange);
g.fillRect(leftx,lefty,w,h);
g.setColor(Color.red);
int size=4;
for(int i=0;i<3*盘子数目;i++)
{
g.fillOval(point[i].getX()-size/2,point[i].getY()-size/2,size,size);
}
g.drawString(""+towerName[0]+"塔",point[盘子数目-1].getX(),point[盘子数目-1].getY()+30);
g.drawString(""+towerName[1]+"塔",point[2*盘子数目-1].getX(),point[盘子数目-1].getY()+30);
g.drawString(""+towerName[2]+"塔",point[3*盘子数目-1].getX(),point[盘子数目-1].getY()+30);
g.drawString("将全部盘子从"+towerName[0]+"塔搬运到"+towerName[1]+"塔或"+towerName[2]+"塔",
point[盘子数目-1].getX(),point[盘子数目-1].getY()+80);
}
public void mousePressed(MouseEvent e)
{
Disk 盘子=null;
Rectangle rect=null;
if(e.getSource()==this)
move=false;
if(move==false)
if(e.getSource() instanceof Disk)
{
盘子=(Disk)e.getSource();
startX=盘子.getBounds().x;
startY=盘子.getBounds().y;
rect=盘子.getBounds();
for(int i=0;i<3*盘子数目;i++)
{
int x=point[i].getX();
int y=point[i].getY();
if(rect.contains(x,y))
{
startI=i;
break;
}
}
}
}
public void mouseMoved(MouseEvent e)
{
}
public void mouseDragged(MouseEvent e)
{
Disk disk=null;
if(e.getSource() instanceof Disk)
{
disk=(Disk)e.getSource();
move=true;
e=SwingUtilities.convertMouseEvent(disk,e,this);
}
if(e.getSource()==this)
{
if(move&&disk!=null)
{
x=e.getX();
y=e.getY();
if(disk.get上方有盘()==false)
disk.setLocation(x-disk.getWidth()/2,y-disk.getHeight()/2);
}
}
}
public void mouseReleased(MouseEvent e)
{
Disk disk=null;
move=false;
Rectangle rect=null;
if(e.getSource() instanceof Disk)
{
disk=(Disk)e.getSource();
rect=disk.getBounds();
e=SwingUtilities.convertMouseEvent(disk,e,this);
}
if(e.getSource()==this)
{
boolean containTowerPoint=false;
int x=0,y=0;
int endI=0;
if(disk!=null)
{
for(int i=0;i<3*盘子数目;i++)
{
x=point[i].getX();
y=point[i].getY();
if(rect.contains(x,y))
{
containTowerPoint=true;
endI=i;
break;
}
}
}
if(disk!=null&&containTowerPoint)
{
if(point[endI].是否有盘子()==true)
{
disk.setLocation(startX,startY);
}
else
{
if(endI==盘子数目-1||endI==2*盘子数目-1||endI==3*盘子数目-1)
{
point[endI].放置盘子(disk,this);
if(startI!=盘子数目-1&&startI!=2*盘子数目-1&&startI!=3*盘子数目-1)
{
(point[startI+1].获取盘子()).set上方有盘(false);
point[startI].set有盘子(false);
}
else
{
point[startI].set有盘子(false);
}
}
else
{
if(point[endI+1].是否有盘子()==true)
{
Disk tempDisk=point[endI+1].获取盘子();
if((tempDisk.getNumber()-disk.getNumber())>=1)
{
point[endI].放置盘子(disk,this);
if(startI!=盘子数目-1&&startI!=2*盘子数目-1&&startI!=3*盘子数目-1)
{
(point[startI+1].获取盘子()).set上方有盘(false);
point[startI].set有盘子(false);
tempDisk.set上方有盘(true);
