/*
 * @(#)ThreeD.java	1.8 98/06/29
 *
 * Copyright (c) 1995-1998 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
 * modify and redistribute this software in source and binary code form,
 * provided that i) this copyright notice and license appear on all copies of
 * the software; and ii) Licensee does not utilize the software in a manner
 * which is disparaging to Sun.
 *
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
 * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
 * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
 * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
 * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
 * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
 * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
 * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
 * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 *
 * This software is not designed or intended for use in on-line control of
 * aircraft, air traffic, aircraft navigation or aircraft communications; or in
 * the design, construction, operation or maintenance of any nuclear
 * facility. Licensee represents and warrants that it will not use or
 * redistribute the Software for such purposes.
 */

/* Modified by Håkan Johansson 2000-02-10 */

/* A set of classes to parse, represent and display 3D wireframe models
   represented in Wavefront .obj format. */

import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.URL;

/** An applet to put a 3D model into a page */
public class ThreeD extends Applet
{
    ThreeDCanvas canvas;

    public void init() 
    {
	// System.out.println ("init");
	canvas = new ThreeDCanvas();

	if (canvas != null)
	    {
		try {
		    setLayout(new BorderLayout());
		    Panel btnPanel = new Panel(new GridLayout (1,4));
		    add(btnPanel, BorderLayout.SOUTH);
		    add(canvas, BorderLayout.CENTER);
		    btnPanel.add(canvas.btn[0] = new BtnOrText("Points"));
		    btnPanel.add(canvas.btn[1] = new BtnOrText("Plates"));
		    btnPanel.add(canvas.btn[2] = new BtnOrText("Lines"));
		    btnPanel.add(canvas.btn[3] = new BtnOrText("Triangles"));
		}catch(Exception e){canvas.message = e.toString();};

		canvas.mdname = getParameter("model");
		canvas.docbase = getDocumentBase ();
		try {
		    canvas.scalefudge = Float.valueOf(getParameter("scale")).floatValue();
		}catch(Exception e){};
		resize(getSize().width <= 20 ? 400 : getSize().width,
		       getSize().height <= 20 ? 400 : getSize().height);
		canvas.init();
	    }
    }

    public void destroy() 
    {
	// System.out.println ("destroy");
	if (canvas != null)
	    canvas.destroy();
    }


    public void start() 
    {
	// System.out.println ("start");
	
	if (canvas != null)
	    canvas.start ();
	//	if (md == null && message == null)
	//	    new Thread(this).start();
    }

    public void stop() {
	if (canvas != null)
	    canvas.stop ();
	// System.out.println ("stop");
    }


//    private synchronized void waitPainted() {
//	while (!painted)
//	    wait();
//	painted = false;
//    }

    public void paint(Graphics g){
	// System.out.println ("paint");
	if (canvas == null) {
	    g.drawString("Canvas not created", 3, 20);
	}
    }

    public String getAppletInfo() 
    {
        return "Title: ThreeD \nAuthor: Håkan Johansson\n\nBased on:\n\nTitle: ThreeD \nAuthor: James Gosling? \nAn applet to put a 3D model into a page.";
    }

    public String[][] getParameterInfo() 
    {
        String[][] info = 
	{
            {"model", "path string", "The path to the model to be displayed."},
            {"scale", "float", "The scale of the model.  Default is 1."}
        };
        return info;
    }
}