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import javax.swing.*;
import javax.swing.border.*;

import java.awt.*;
import java.awt.event.*;
import java.io.File;
import java.net.MalformedURLException;
import java.rmi.Naming;
import java.rmi.NotBoundException;
import java.rmi.RemoteException;
import java.util.*;

public class ChatUI{
  private ChatClient client;
  private ChatServerInt server, zm;
  public void doConnect(){
	    if (connect.getText().equals("Connect")){
	    	if (name.getText().length()<2){JOptionPane.showMessageDialog(frame, "You need to type a name."); return;}
	    	if (ip.getText().length()<2){JOptionPane.showMessageDialog(frame, "You need to type an IP."); return;}
	    	try{
				client=new ChatClient(name.getText());
	    		client.setGUI(this);
				server=(ChatServerInt)Naming.lookup("rmi://"+ip.getText()+"/myabc");
				server.login(client);
				updateUsers(server.getConnected());
			    connect.setText("Disconnect");

	    	}catch(Exception e){e.printStackTrace();JOptionPane.showMessageDialog(frame, "ERROR, we wouldn't connect....");}
	      }else{
	    	  	updateUsers(null);
	    	  	connect.setText("Connect");
	    	  	//Better to implement Logout ....
		}
	  }

  public void sendText(){
    if (connect.getText().equals("Connect")){
    	JOptionPane.showMessageDialog(frame, "You need to connect first."); return;
    }
      String st=tf.getText();
      st="["+name.getText()+"] "+st;
      tf.setText("");
      //Remove if you are going to implement for remote invocation
      try{
    	  	server.publish(st);
  	  	}catch(Exception e){e.printStackTrace();}
  }

  public void writeMsg(String st){  tx.setText(tx.getText()+"\n"+st);  }

  public JList updateUsers(Vector v){
      DefaultListModel listModel = new DefaultListModel();
      if(v!=null) for (int i=0;i<v.size();i++){
    	  try{  String tmp=((ChatClientInt)v.get(i)).getName();
    	  		listModel.addElement(tmp);
    	  }catch(Exception e){e.printStackTrace();}
      }
      lst.setModel(listModel);
     // model = (DefaultListModel) lst.getModel();
	return lst;
  }

  public static void main(String [] args){
	//System.out.println("Hello World !");
	ChatUI c=new ChatUI();
  }

  //User Interface code.
  public ChatUI(){
	    frame=new JFrame("Group Chat");
	    JPanel main =new JPanel();
	    JPanel top =new JPanel();
	    JPanel cn =new JPanel();
	    JPanel bottom =new JPanel();
	    JPanel left =new JPanel();
	    //JPanel lefttop =new JPanel();
	   // JPanel leftbot =new JPanel();
	    //JFileChooser chooser = new JFileChooser();
	    //JTextPane choice = new JTextPane();
	    final Choice choice = new Choice();
	    ip=new JTextField();
	    tf=new JTextField();
	    name=new JTextField();
	    tx=new JTextArea();
	    connect=new JButton("Connect");
	    JButton bt=new JButton("Send");
	    //model = new DefaultListModel();
	   // JButton bt3=new JButton("choose file");
	    JButton bt2=new JButton("Send file");
	    //DefaultListModel model = new DefaultListModel();
	    lst=new JList(); //refreshing
	    main.setLayout(new BorderLayout(5,5));
	    top.setLayout(new GridLayout(1,0,5,5));
	    cn.setLayout(new BorderLayout(5,5));
	    bottom.setLayout(new BorderLayout(5,5));
	    left.setLayout(new BorderLayout(5,5));
	  //  lefttop.setLayout(new BorderLayout(5,5));
	    //leftbot.setLayout(new BorderLayout(5,5));
	    top.add(new JLabel("Your name: "));top.add(name);
	    top.add(new JLabel("Server Address: "));top.add(ip);
	    top.add(connect);
	    cn.add(new JScrollPane(tx), BorderLayout.CENTER);
	    lst = updateUsers(null);
	    cn.add(lst, BorderLayout.EAST);
	    bottom.add(tf, BorderLayout.CENTER);
	    bottom.add(bt, BorderLayout.EAST);
	    left.add(choice, BorderLayout.CENTER);
	    //left.add(bt3, BorderLayout.CENTER);
	    left.add(bt2, BorderLayout.SOUTH);
	   // bot2.add(chooser, BorderLayout.SOUTH);
	    main.add(top, BorderLayout.NORTH);
	    main.add(cn, BorderLayout.CENTER);
	    main.add(bottom, BorderLayout.SOUTH);
	    main.add(left, BorderLayout.WEST);
	    main.setBorder(new EmptyBorder(10, 10, 10, 10) );
	    //Events
	    connect.addActionListener(new ActionListener(){
	      public void actionPerformed(ActionEvent e){ doConnect();   }  });
	    bt.addActionListener(new ActionListener(){
	      public void actionPerformed(ActionEvent e){ sendText();   }  });
	    tf.addActionListener(new ActionListener(){
	      public void actionPerformed(ActionEvent e){ sendText();   }  });
	    choice.addMouseListener(new MouseAdapter(){
	    	public void mouseClicked(MouseEvent e){
	    		JFileChooser chooser = new JFileChooser();
	    		chooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
	    		chooser.showDialog(null, "Wybierz");
	    		chooser.setBounds(50, 50, 225, 150);
	    		File file = chooser.getSelectedFile();
	    		choice.add(file.getAbsolutePath());



	    	}
	    });

	    bt2.addMouseListener(new MouseAdapter(){
	    	public void mouseClicked(MouseEvent e){

	    		try {
					zm = (ChatServerInt) Naming.lookup("object");
				} catch (MalformedURLException | RemoteException | NotBoundException e1) {
					// TODO Auto-generated catch block
					e1.printStackTrace();
				}
				try {
					zm.setFile(choice.getItem(0), client);
				} catch (RemoteException e1) {
					// TODO Auto-generated catch block
					e1.printStackTrace();
				}
	    		try{
	    			Scanner s = new Scanner(System.in);
	    			while(true){
	    				String line = s.nextLine();
	    			}
	    		} catch (Exception e1) {
						// TODO Auto-generated catch block
						e1.printStackTrace();
				}
	    	}
	    });

	    frame.setContentPane(main);
	    frame.setSize(600,600);
	    frame.setVisible(true);
	  }
	  JTextArea tx;
	  JTextField tf,ip, name;
	  JButton connect;
	  JList lst;
	  JFrame frame;
	  //DefaultListModel model;
}