import java.io.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
 
 
class ChatClient extends Frame
{
	private TextField tf1 = new TextField("", 50);
	private TextArea ta;
    private Button sendButton;
    private Button quitButton;
    private Button okButton;
    private MenuItem exitMT, aboutMT;
    private Choice choice;
    private String user;
    private AboutDialog dialog;
 
    private Thread runner;
    private Socket s;
    private OutputStream os;
    private BufferedReader br;
 
 
	public ChatClient()
   	{
 
	  super("ChatClient");
 
	  runner = null;
 
	  addWindowListener(new WindowAdapter()
	  {public void windowClosing(WindowEvent e) {System.exit(0); }});
	  addWindowListener(new WindowAdapter()
	  {public void windowActivated(WindowEvent e)
	  	      {
	  	          tf1.requestFocusInWindow();
	  	      }
      });
 
	  setTitle("Chat Room");
	  Panel p = new Panel(new BorderLayout());
      Panel p1 = new Panel(new BorderLayout());
      Panel p2 = new Panel(new GridLayout(3,1));
 
 
      MenuBar mb = new MenuBar ();
      setMenuBar (mb);
 
      Menu fileMenu = new Menu ("File");
	  mb.add(fileMenu);
 
	  Menu helpMenu = new Menu ("Help");
      mb.add(helpMenu);
 
      fileMenu.add (exitMT= new MenuItem ("Quit"));
	  helpMenu.add (aboutMT = new MenuItem ("About"));
 
	  exitMT.addActionListener(new ExitCommand());
      aboutMT.addActionListener(new AboutCommand());
 
 
	  //creating main panel
	  add(p, BorderLayout.NORTH);
      ta = new TextArea(10, 50);
      add(ta, BorderLayout.CENTER);
      ta.setSize(500,300);
      ta.setEditable(false);
 
 
    //adding buttons  and choice box to the right side of the window
      sendButton = new Button("Send");
      Panel p3 = new Panel();
    //  sendButton.setSize(15,15);
      p3.add(sendButton);
	  p2.add(p3);
	  sendButton.addActionListener(new CopyCommand());
	  quitButton = new Button("Quit");
	  Panel p4 = new Panel();
	 // quitButton.setSize(15,15);
	  p4.add(quitButton);
	  p2.add(p4);
	  quitButton.addActionListener(new ExitCommand());
	  Panel p5 = new Panel();
	  choice = new Choice();
	  choice.addItem("John");
	  choice.addItem("Jena");
	  choice.addItem("Colleen");
	  choice.addItem("Steve");
	  user=choice.getItem(0);
	  p5.add(choice);
	  choice.addItemListener(new CopyCommand());
	  p2.add(p5);
 
      add(p2, BorderLayout.EAST);
 
   //adding the textfield to the south end of the window
 
      p1.add(tf1);
      add(p1, BorderLayout.SOUTH);
 
      tf1.addActionListener(new CopyCommand());
 
 
   //connecting to the server
      try
      {
		  s = new Socket("10.14.81.145", 7968);
		  br = new BufferedReader(
		          new InputStreamReader(s.getInputStream()));
 
		 // os =s.getOutputStream();
  	  }
  	  catch(Exception e)
  	  {
		  System.out.println(e);
		  System.out.println("exiting ...");
		  System.exit(0);
      }
      catch(IOException e)
      {
		  e.printStackTrace();
      }
      finally
      {
		  s.close();
		  br.close();
		  os.close();
      }
 
 
  }
 
  class ReadMessages implements Runnable
  {
  	public void run()
  	{
	  //something having to do with bufferedreader and thread. I think!
	  runner = new Thread(this);
      runner.start();
 
  	}
  }
 
//handling ActionEvent from buttons and menu items
  class ExitCommand implements ActionListener
  {
	 public void actionPerformed (ActionEvent e)
	  {
		  tf1.setText("");
	      ta.setText("");
	      choice.select(0);
	      s.close();
	      br.close();
	      s.close();
          System.exit(0);
 
      }
  }
 
  class AboutCommand implements ActionListener
  {
	public void actionPerformed(ActionEvent e)
	{  String arg = e.getActionCommand();
	   if(arg.equals("About"))
	     {  if (dialog == null) // first time
	          dialog = new AboutDialog(ChatClient.this);
	          dialog.show();
	     }
      }
  }
 
  class AboutDialog extends Dialog
  {
	public AboutDialog(Frame parent)
  	{
		   super(parent, "About ChatClient", true);
		   Panel p6 = new Panel();
		   p6.add(new Label("Chat Client ver 1.0"));
		   p6.add(new Label("By Jennifer McAuliffe"));
		   add(p6, "Center");
 
		   Panel p7 = new Panel();
		   Button ok = new Button("Ok");
		   p7.add(ok);
		   add(p7, "South");
 
		   ok.addActionListener(new ActionListener() { public void
			  actionPerformed(ActionEvent evt) { setVisible(false); } } );
 
		   addWindowListener(new WindowAdapter() { public void
				 windowClosing(WindowEvent e) { setVisible(false); } } );
 
		   setSize(220, 150);
 
	  }
  }
 
  class CopyCommand implements ActionListener, ItemListener
  {
    public void itemStateChanged(ItemEvent e)
	{  if (e.getSource() instanceof Choice)
	   {
		   user = (String)e.getItem();
	   }
	}
 
    public void actionPerformed (ActionEvent e)
    {
		//getting data from textfield to server and back
	   	//inserting server data to textarea
		ta.append(br.readLine());
		//ta.append(user + ": " + tf1.getText() + "\n");
     	tf1.setText("");
       	tf1.requestFocus();
    }
 
     public void keyPressed (KeyEvent ke)
     {
		//figure out if the enter key was pressed
		if (ke.getKeyCode() == KeyEvent.VK_ENTER)
		  {
 
            //getting data from textfield to server and back
			//inserting server data to textarea
			ta.append(br.readLine());
			//ta.append(user + ": " + tf1.getText() + "\n");
     		tf1.setText("");
       		tf1.requestFocus();
	      }
	 }
 
     public void keyTyped (KeyEvent ke) { }
 
     public void keyReleased (KeyEvent ke) { }
 
  }
 
   public static void main(String[] args)
   {
	  Runnable prog = new ReadMessages();
	  Frame f = new ChatClient();
      f.setSize(600, 400);
      f.show();
   }
 
}