infopanel.java

完成黑白棋的开发

package BlackAndWhite;
import BlackAndWhite.*;

import javax.swing.*;
import java.awt.*;
import java.util.*;
import java.lang.*;

public class InfoPanel
extends JPanel implements Observer{
	private String black,white;
	private Chessboard cb;
	
	public InfoPanel(Chessboard cb){
		this.cb=cb;
		black=white="";
		setPreferredSize(new Dimension(200, 200));
		cb.addObserver(this);
	}
	
	public void setName(String black,String white){
		this.black=black;
		this.white=white;
	}
	
	public void paint(Graphics g){
		super.paint(g);
		g.setFont(new Font("Dialog",Font.BOLD,15));
		g.drawString(black,10,20);
		g.setFont(new Font("Dialog",Font.BOLD,15));
		g.drawString(white,10,120);
		
		g.setColor(Color.BLACK);
		g.setFont(new Font("Dialog",Font.BOLD,80));
		
		if(cb.countBlack<10)
			g.drawString("0"+cb.countBlack,40,90);
		else
			g.drawString(""+cb.countBlack,40,90);
			
		g.setColor(Color.WHITE);
		g.setFont(new Font("Dialog",Font.BOLD,80));
		
		if(cb.countWhite<10)
			g.drawString("0"+cb.countWhite,40,190);
		else
			g.drawString(""+cb.countWhite,40,190);
	}
	
	public void update(Observable o, Object arg){
		repaint();
	}
	
	public void restart(){
		setName("","");
		repaint();
	}
	
	public void reset(){
		setName("","");
		repaint();
	}
	
	public void start(String black,String white){
		setName(black,white);
		repaint();
	}
}