// TextDemo.java
// JDK 1.1 version by Ian Chai
//
// Note: this reproduces the functionality of the old JDK 1.0 TextDemo
//       and is *different* from Sun's JDK 1.1 TextDemo, which is more
//       complicated.

import java.awt.*;
import java.awt.event.*;
import java.applet.*;

public class TextDemo extends Applet
{ TextField inArea;
  TextArea outArea;

  public void init()
  { inArea = new TextField(20);
    outArea = new TextArea(5, 20);
    outArea.setEditable(false);

    inArea.addActionListener(new FieldListener());

    //Add Components to the Applet. 
    GridBagLayout gridBag = new GridBagLayout();
    setLayout(gridBag);
    GridBagConstraints c = new GridBagConstraints();
    c.gridwidth = GridBagConstraints.REMAINDER;

    c.fill = GridBagConstraints.HORIZONTAL;
    gridBag.setConstraints(inArea, c);
    add(inArea);

    c.fill = GridBagConstraints.BOTH;
    c.weightx = 1.0;
    c.weighty = 1.0;
    gridBag.setConstraints(outArea, c);
    add(outArea);

    validate();
  }

  // Each instance of this class listens to one of the TextFields.
  class FieldListener implements ActionListener
  { public void actionPerformed(ActionEvent e) 
    { TextField f;
    
      try {f = (TextField)e.getSource();}
      catch (ClassCastException evt)
      { outArea.append("Error: source isn't a TextField!\n");
	return;
      }

      outArea.append(f.getText()+"\n");
      f.selectAll();
    }
  }

}