sketchframe.java

一个多播的实现程序

import javax.swing.*;
import java.io.*;
import java.io.Writer.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.util.*;
import java.lang.*;


public class SketchFrame extends JFrame implements ActionListener
{
ChatClient chatObj;
String logins="My nick";
 // protected TextArea output;
String chat;
//private TextArea theChat;
//Constructor
public SketchFrame(String title)
{

setTitle(title);
//setDefaultCloseOperation(EXIT_ON_CLOSE);
setJMenuBar(menuBar);

//Main menu:
JMenu fileMenu = new JMenu("File");
JMenu colorMenu = new JMenu("Color");
JMenu helpMenu = new JMenu("Help");

//Main menu Shortcuts:
fileMenu.setMnemonic('F');
colorMenu.setMnemonic('C');
helpMenu.setMnemonic('H');

newAction = new FileAction("New", KeyStroke.getKeyStroke('N',Event.CTRL_MASK));
saveAction = new FileAction("Save", KeyStroke.getKeyStroke('S',Event.CTRL_MASK));
exitAction = new FileAction("Exit", KeyStroke.getKeyStroke('E',Event.CTRL_MASK));
loginAction = new FileAction("Login As", KeyStroke.getKeyStroke('L',Event.CTRL_MASK));

//File pull down action menu:
addMenuItem(fileMenu,loginAction);
fileMenu.addSeparator();
addMenuItem(fileMenu,newAction);
fileMenu.addSeparator();
addMenuItem(fileMenu,saveAction);
fileMenu.addSeparator();
addMenuItem(fileMenu,exitAction);
fileMenu.addSeparator();

//Color pulldown menu:

//Set Background Colors:
addMenuItem (colorMenu, redAction = new ColorAction("Red BackGround", Color.red));
addMenuItem (colorMenu, yellowAction = new ColorAction("Yellow BackGround", Color.yellow));
addMenuItem (colorMenu, greenAction = new ColorAction("Green BackGround", Color.green));
addMenuItem (colorMenu, blueAction = new ColorAction("Blue BackGround", Color.blue));
addMenuItem (colorMenu, magentaAction = new ColorAction("Magenta BackGround",Color.magenta));
addMenuItem (colorMenu, cyanAction = new ColorAction("Cyan BackGround", Color.cyan));
addMenuItem (colorMenu, blackAction = new ColorAction("Black BackGround", Color.black));
addMenuItem (colorMenu, grayAction = new ColorAction("Gray BackGround", Color.gray));
addMenuItem (colorMenu, darkGrayAction = new ColorAction("DarkGray BackGround", Color.darkGray));
addMenuItem (colorMenu, pinkAction = new ColorAction("Pink BackGround", Color.pink));
addMenuItem (colorMenu, orangeAction = new ColorAction("Orange BackGround", Color.orange));
addMenuItem (colorMenu, whiteAction = new ColorAction("White BackGround", Color.white));


//About Dialog init:
aboutItem = new JMenuItem("About");
aboutItem.addActionListener(this);
helpMenu.add(aboutItem);

//Initialize menu items:
menuBar.add(fileMenu);
menuBar.add(colorMenu);
menuBar.add(helpMenu);

enableEvents(AWTEvent.WINDOW_EVENT_MASK);
}
protected void processWindowEvent(WindowEvent e)
{
if (e.getID() == WindowEvent.WINDOW_CLOSING)
{
dispose();
System.exit(0);
}
super.processWindowEvent(e);
}
private JMenuItem addMenuItem(JMenu menu,Action action)
{
JMenuItem item = menu.add(action);
KeyStroke keyStroke = (KeyStroke)action.getValue("juh");//action.ACCELERATOR_KEY);
if(keyStroke != null)
item.setAccelerator(keyStroke);
return item;
}

//Main menu init:
private JMenuBar menuBar = new JMenuBar();
//About menu init:
private JMenuItem aboutItem;

//File Menu Action:
class FileAction extends AbstractAction
{
public FileAction(String NAME,KeyStroke keyStroke)
	{
	super(NAME);
	}
public void actionPerformed(ActionEvent e)	//throws IOException
     {

String name= (String)getValue(NAME);

if(name.equals(newAction.getValue(NAME)))
	{

	 SketchFrame window2;
	 window2 = new SketchFrame("ChitChat Broadcast Messenger");
	 Toolkit theKit = window2.getToolkit();
	 Dimension wndSize = theKit.getScreenSize();

	 window2.setBounds(wndSize.width/4,wndSize.height/4,wndSize.width/2,wndSize.height/2);
window2.setVisible(true);
String newHost = JOptionPane.showInputDialog("Enter HostName:");
String newPort=JOptionPane.showInputDialog("Enter PortName:");

/*
    Sketcher newObj = new Sketcher();
    newObj.fun(newHost,Integer.parseInt(newPort),window2);
*/


	}

else
if(name.equals(saveAction.getValue(NAME)))
	{
	//saveOperation();
	//chat=theChat.getText();
   	 //theChat.setText(chat);
	/*Frame f =new SampleFrame("File Save Dialog");
	f.setVisible(false);
	FileDialog fd = new FileDialog(f,"File 	Dialog",FileDialog.SAVE);
	fd.setVisible(true);*/
	String file =JOptionPane.showInputDialog("Enter FileName:");
	file=file+".txt";
	//FileWriter Fwriter=new FileWriter(file);
	//TextArea chat1=chatObj.func();
	//chat=chat1.getText();
	//System.out.println(chat);
	//Writer wObj=new Writer();
   	// Fwriter.write(chat);

	}
else
if(name.equals(exitAction.getValue(NAME)))
	{
	dispose();
	System.exit(0);
	}
else
if(name.equals(loginAction.getValue(NAME)))
    {
	String logins = JOptionPane.showInputDialog("Enter Login name:");
	ChatHandler handle=new ChatHandler(logins);
	//handle.start();
    }

  }
}
//Background color Action
//Inner Class definition
class ColorAction extends AbstractAction
{
public ColorAction(String name,Color color)
{
super(name);
this.color=color;
}
public void actionPerformed(ActionEvent e)
{
elementColor = color;
getContentPane().setBackground(color);
}
private Color color;
}
//Font color Action
class FontColorAction extends AbstractAction
{
public FontColorAction(String name,Color color)
{
super(name);
this.color=color;
}

public void actionPerformed(ActionEvent e)
{
elementColor = color;
}
private Color color;
}

//About menu event:
public void actionPerformed(ActionEvent e)
{
if(e.getSource() == aboutItem)
{
JOptionPane.showMessageDialog (this,"ChitChat Broadcast Messenger\nCopyright Fatima Ahmed 2004","About ChitChat Broadcast Messenger",JOptionPane.INFORMATION_MESSAGE);
}
}

//Color Action object
private FileAction newAction, saveAction, exitAction,loginAction;
private Color elementColor;
private Font font;
private ColorAction redAction,yellowAction,greenAction,blueAction,magentaAction,cyanAction,blackAction,grayAction,darkGrayAction,pinkAction,orangeAction,whiteAction;

void FontFunc(TextArea output)
{
//FontAction FontArialAction = new FontAction("SansSerif",output);
	Font f=new Font("SansSerif",Font.BOLD,18);
  	output.setFont(f);
//	output.setForeground(Color.red);
}
/*
public class FWriter extends Writer
{
	FWriter name;
	public FWriter(File file) throws IOException
	{
		this.name=file;
	}
}*/

}
//End of class SketchFrame

class SampleFrame extends Frame
{
SampleFrame(String title)
	{
	super(title);
	MyWindowAdapter adapter = new MyWindowAdapter(this);
	addWindowListener(adapter);
	}
}

class MyWindowAdapter extends WindowAdapter
{
	SampleFrame sampleFrame;
	public MyWindowAdapter(SampleFrame sampleFrame)
	{
		this.sampleFrame = sampleFrame;
	}
	public void WindowClosing(WindowEvent we)
	{
		sampleFrame.setVisible(false);
	}
}