import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.lang.reflect.Field;

import javax.media.j3d.Canvas3D;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

import org.jmol.adapter.smarter.SmarterJmolAdapter;
import org.jmol.api.JmolViewer;

import com.sun.j3d.utils.universe.SimpleUniverse;

public class Test {

    public static void main(String[] args) {
        libraryPathTrick();
        canvas = new Canvas3D(
                SimpleUniverse.getPreferredConfiguration());
        SimpleUniverse universe = new SimpleUniverse(canvas);
        JFrame frame = new JFrame();
        frame.setPreferredSize(new Dimension(400, 500));
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        Container c = frame.getContentPane();
        JButton bttn = new JButton("Change view");

        c.setLayout(new BorderLayout());
        c.add(bttn, BorderLayout.PAGE_END);

        final JPanel viewPanel = new JPanel();
        viewPanel.setPreferredSize(new Dimension(400, 450));
        viewPanel.setLayout(new GridLayout());
        viewPanel.setDoubleBuffered(true);

        c.add(viewPanel, BorderLayout.CENTER);
        bttn.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                changeView(viewPanel);
            }
        });
        frame.pack();
        frame.setVisible(true);
        changeView(viewPanel);
    }

    public static boolean var = true;

    public static Canvas3D canvas = null;
    public static JmolPanel jmolPanel = new JmolPanel();

    public static void changeView(JPanel c) {
         c.removeAll();
        if (var) {
            c.add(canvas);
        } else {
            c.add(jmolPanel);
        }
        c.revalidate();
        var = !var;
    }

    public static void libraryPathTrick() {
        String javaLibraryPath = System.getProperty("java.library.path");
        System.setProperty("java.library.path", javaLibraryPath
                + ";C:\\Program Files\\Java\\Java3D\\1.5.2\\bin");

        Field fieldSysPath;
        try {
            fieldSysPath = ClassLoader.class.getDeclaredField("sys_paths");
            fieldSysPath.setAccessible(true);
            fieldSysPath.set(null, null);
        } catch (Exception e) {
        }
    }

}

class JmolPanel extends JPanel {

    private static final long serialVersionUID = 1L;
    private JmolViewer viewer;
    private final Dimension currentSize = new Dimension();

    public JmolPanel() {
        viewer = JmolViewer.allocateViewer(this, new SmarterJmolAdapter(),
                null, null, null, null, null);
    }

    public JmolViewer getViewer() {
        return this.viewer;
    }

    @Override
    public void paint(Graphics g) {
        getSize(currentSize);
        viewer.renderScreenImage(g, currentSize.width, currentSize.height);
    }

}