import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.util.*;

import java.io.*;


public class Bsp1_Mediator extends JFrame implements ActionListener {

  
  public Bsp1_Mediator() {
    setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
    setGUI();
  }

  private JButton createButton(String caption, String command) {
     JButton bn = new JButton(caption);
     bn.setFont( new Font("Arial", Font.BOLD,16)  );
     bn.setActionCommand(command);
     bn.addActionListener(this);
     return bn;
  }

  private void setGUI() {
    setSize(800, 630);
    setLocation(20,20);
    setTitle("Test Mediator, 2. Beispiel");

    JPanel pnButton = new JPanel();
    pnButton.setLayout( new FlowLayout() );
    pnButton.add( createButton("Chatten","chatten") );

    pnButton.add( createButton("Abbruch","Abbruch") );

    this.getContentPane().setLayout( new BorderLayout() );
    JTextArea editor = Editor.getInstance();
    this.getContentPane().add( new JScrollPane(editor), BorderLayout.CENTER);

    this.getContentPane().add( pnButton, BorderLayout.SOUTH );

  } // setGUI

    public void actionPerformed(ActionEvent e) {
       String cmd = e.getActionCommand();
       if (cmd.equals("chatten") ) {
           test1();
       }        
       if (cmd.equals("Abbruch") ) {
          setVisible(false);
          dispose();  // System.exit(0);
       }     
    }

    private void  test1() {
    }

  
  public static void main(String[] args) {
    Bsp1_Mediator frame = new Bsp1_Mediator();
    frame.setVisible(true);
 }

}  // Bsp1_Mediator