//*********************************************************
//  Demonstrates the use of text fields, labels and buttons
//*********************************************************

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

public class CopyTextPanel extends JPanel
{
   private JTextField input;
   private JLabel output, inlabel, outlabel;
   private JButton copy;
   private JPanel panel;

   public CopyTextPanel()
   {
      inlabel = new JLabel("Input:  ");
      outlabel = new JLabel("Output: ");
      input = new JTextField (50);
      output = new JLabel();
      copy = new JButton("Copy text");
      copy.addActionListener (new ButtonListener());
      panel = new JPanel();
      
      output.setPreferredSize (new Dimension(550, 30));
      panel.setPreferredSize (new Dimension(620, 100));
      panel.setBackground(Color.yellow);
      panel.add(inlabel);
      panel.add(input);
      panel.add(outlabel);
      panel.add(output);
      panel.add(copy);
      
      setPreferredSize (new Dimension(700, 150));
      setBackground(Color.blue);
      add(panel);
   }

   private class ButtonListener implements ActionListener
   {
      public void actionPerformed (ActionEvent event)
      {
          output.setText (input.getText());
//        input.setText(""); // clear text filed after copying
      }
   }
}