/**
 * Sextant.java  1.00 96/10/07 Merlin Hughes
 *
 * Copyright (c) 1996 Prominence Dot Com, Inc. All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software
 * for non-commercial purposes and without fee is hereby granted
 * provided that this copyright notice appears in all copies.
 *
 * http://prominence.com/                  merlin@prominence.com
 */
import java.awt.*;
import java.applet.*;

public class Sextant extends Applet {
  Image image;
  Frame frame;

  public void init () {
    System.out.println ("Sextant Navigator, merlin@prominence.com, http://prominence.com/\n" +
                        "Copyright (c) 1996 Prominence Dot Com, Inc. All Rights Reserved.");
    String bgcolor = getParameter ("bgcolor");
    if (bgcolor != null) {
      try {
	setBackground (new Color (Integer.parseInt (bgcolor.substring (1), 16)));
      } catch (NumberFormatException ex) {
	System.out.println ("Invalid format for bgcolor: " + bgcolor);
      }
    }
    image = getImage (getDocumentBase (),
		      getParameter ("image", "images/sextant.gif"));
  }

  public String getParameter (String param, String def) {
    String result = getParameter (param);
    if (result != null)
      return result;
    else
      return def;
  }

  public void paint (Graphics g) {
    if (image != null) {
      int x = image.getWidth (this), y = image.getHeight (this);
      g.drawImage (image, (size ().width - x) / 2, (size ().height - y) / 2, this);
    }
  }

  public boolean mouseDown (Event e, int x, int y) {
    if (frame == null) {
      showStatus ("Loading...");
      try {
        frame = (Frame) Class.forName ("Navigator").newInstance ();
      } catch (ClassNotFoundException ex) {
        System.out.println (ex);
      } catch (InstantiationException ex) {
        System.out.println (ex);
      } catch (IllegalAccessException ex) {
        System.out.println (ex);
      }
      frame.postEvent (new Event (frame, -1, this));
      frame.pack ();
    }
    frame.show ();
    return super.mouseDown (e, x, y);
  }

  public void stop () {
    if (frame != null)
      frame.hide ();
  }
}