sketcher.java

用Java实现的网络画图程序

import java.util.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;

public class Sketcher {
	public static void main(String args[]){
		app=new Sketcher();
		app.init();
	}
	
	public void init(){
		try {
	          	UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
	      	} catch (Exception exc) {
	          System.err.println("Error loading L&F: " + exc);
	      	}
		SplashWindow splash=new SplashWindow(new JPanel(),"正在启动 Java网络画图 程序..请稍候..");
		splash.setVisible(true);

		window=new SketchFrame("画图",this);
		Toolkit toolKit=window.getToolkit();
		Dimension size=toolKit.getScreenSize();
		window.setBounds(size.width/6,size.height/6,size.width*2/3,size.height*2/3);
		window.addWindowListener(new WindowHandler());
		
		sketch=new SketchModel();
		
		view=new SketchView(this);
		
		sketch.addObserver((Observer)view);
		sketch.addObserver((Observer)window);
		window.getContentPane().add(view,BorderLayout.CENTER);
		window.addWindowListener(new WindowHandler());
		SocketClient chatClient=null;
		try{
		 chatClient=new SocketClient(view,"梁志伟","djinhua**","localhost");
		}catch(Exception e){}
		if(chatClient!=null)
		   view.addChat(chatClient);

		chatDialog=new JDialog(window,SocketClient.getUser(),false);
		chatDialog.getContentPane().add(chatClient,BorderLayout.CENTER);
		chatDialog.setSize(400,300);
		


		splash.setVisible(false);
		splash.dispose();
		splash=null;

		window.setVisible(true);
		chatDialog.setVisible(true);
	}

	public SketchFrame getWindow(){
		return window;
	}

	public SketchModel getModel(){
		return sketch;
	}

	public SketchView getView(){
		return view;
	}

	public JDialog getDlg(){
		return chatDialog;
	}
	

	public void insertModel(SketchModel newSketch){
		sketch=newSketch;
		sketch.addObserver((Observer)view);
		sketch.addObserver((Observer)window);
		view.repaint();
	}
	
	
	class WindowHandler extends WindowAdapter{
		public void windowClosing(WindowEvent e){
			window.checkForSave();
			System.exit(0);
			
		}
	}


	private SketchModel sketch;
	private SketchView view;
	private static SketchFrame window;
	private static Sketcher app;
	private static JDialog chatDialog;
	

	
	




}