import java.util.*;
import java.awt.*;

public class SimplePanel extends Frame
{
   public static void main(String[] argv)
   {
       Frame f = new SimplePanel();
       f.resize(400, 300);
       f.show();
   } // main

   public SimplePanel()
   {
       setTitle("Simple Panel");
       Panel p = new Panel();
       p.setLayout(new FlowLayout());
       StartButton = new Button("start");
       StopButton = new Button("stop");
       InputButton = new Button("input");
       Panel pb = new Panel();
       pb.setLayout(new BorderLayout(2,2));
       pb.add("North",StartButton);
       pb.add("South",StopButton);
       pb.add("West",InputButton);
       p.add(pb);    // add the button panel to the panel
       Panel pt = new Panel();
       pt.setLayout(new BorderLayout(2,2));
       sign = new Label("            hello world : ", Label.RIGHT);
       text = new TextField("00000", 12);
       pt.add("East", sign);
       pt.add("West", text);
       p.add(pt);
       add("North", p);
   } // constructor

   public boolean handleEvent(Event evt)
   {
       if (evt.id == Event.WINDOW_DESTROY)
	   System.exit(0);
       return super.handleEvent(evt);
   } // handleEvent

   public boolean action(Event evt, Object arg)
   {
       if (arg.equals("start"))
       {
	   sign.setText("start button pressed");
       }
       else if (arg.equals("stop"))
       {
	   sign.setText("stop button pressed");
       }
       else if (arg.equals("input"))
       {
	   sign.setText(text.getText());
       }
       else
	   return super.action(evt,arg);
       return true;
   } // action

   private Button StartButton, StopButton, InputButton;
   private Label sign;
   private TextField text;
}