/**
*Class Server is the GUI class that implements ActionListener to listen to user actions
*Internetprogrammering 1 - Course
*@author Martin Carlsson
*/
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

    
    public class Server extends JFrame {
        
        private JTextArea  messageArea=new JTextArea(); // Displays messages from the server
        private JScrollPane jsp=new JScrollPane(messageArea); // scroll area for the message area
        private ClientHandler ch;
        
       
        public Server(int port) {
        ch=new ClientHandler(this, port); //Creates a ClientHandler object
        messageArea=new JTextArea();	
        messageArea.setEditable(false);
        jsp=new JScrollPane(messageArea); 
            
        // Container to put everything in
        Container con=getContentPane();
        con.setLayout(new BorderLayout());
        con.add(jsp,"Center");
        addWindowListener(closeWindow);
        setSize(600,300);
        show();
        }
        
        
        
        WindowAdapter closeWindow=new WindowAdapter() {
            public void windowClosing(WindowEvent e){
                
                System.exit(0);
            }
        };
    
        
        /*Used for setting a new title*/
        public void newTitle(String host, int port, int clientCount) {
            
            setTitle("Chatserver on " + host + " listening on port " + port + " Clients: " + clientCount);
            
        }
        
        
        /*Used for displaying a message in the message area*/
        public void showMessage(String msg) {
            
            messageArea.append(msg+"\n");
            
        }
        
        
        /*Main*/
        public static void main(String [] args){ 
            
            int port;
            try{
                port=Integer.parseInt(args[0]);
            }
            catch(Exception e){
                port=2000;
            }
            new Server(port);
        }
        
    } // End class Server