// File: IO26.java (Module 13)
//
// Author: Rahul Simha
// Created: December 7, 1998
//
// Using the AppletContext.

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

public class IO26 extends Applet {

  TextField tf;            // A textfield for the URL.
  AppletContext context;   // The applet context variable.

  public void init ()
  {
    // We will place the text field inside a colored box.
    this.setBackground (Color.pink);

    // Create a 20-column text field.
    tf = new TextField (20);
    tf.setForeground (Color.blue);
    tf.addActionListener (
      new ActionListener () {
        public void actionPerformed (ActionEvent a)
        {
	  // This method is written below.
	  display_URL (tf.getText());
	}
      }			  
    );

    this.add (tf);
    this.setVisible (true);

    // Get the applet context ready.
    context = this.getAppletContext();
  }

  void display_URL (String s)
  {
    try {
      // Parse the URL.
      URL u = new URL (s);

      // Fetch and display in the second frame.
      context.showDocument (u, "part2");
    }
    catch (MalformedURLException e) { System.out.println (e); }
  }

}