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

class ChatPanel extends JPanel
{
	JTextArea ta = new JTextArea();
	JTextField tf = new JTextField(12);
	JButton bn = new JButton("發送");
	Socket sock;
	Thread thr;
	String playerName;
	final int width = 200;
	final int height = 240;
	
	ChatPanel(ChessGame game)
	{
		this.sock = game.chatSock;
		setLayout(new BorderLayout());
		setSize(width, height);
		ta.setEditable(false);
		
		add("Center", new JScrollPane(ta));
		
		JPanel p = new JPanel();
		p.setLayout(new BorderLayout());
		p.add("West", tf);
		p.add("East", bn);
		add("South", p);
		playerName = game.cpad.listeningPlayer.playerName;
		
		bn.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e)
			{
				if(tf.getText() == null)
					return;
				try{
					String s = playerName + "說：" + tf.getText() + "\n";
					tf.setText(null);
					ta.append(s);
					sock.getOutputStream().write(s.getBytes());
				}
				catch(IOException ex)
				{
					System.out.println("Send Message Error");
				}
			}
		});
		
		thr = new Thread() {
			public void run()
			{
				try{
					while(true)
					{
						byte[] b = new byte[256];
	
						sock.getInputStream().read(b);
						String s = new String(b);
						s = s.trim();
						s += "\n";
						//System.out.println(s);
						ta.append(s);
	
					}
				}
				catch(IOException ex)
				{
					System.out.println("Receive Message Error!");
				}
			}			
		};
		
		thr.start();
	}
}