/* Copyright (C) 2002 J. M. Spivey */

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

/** Common base class for applet windows.
 * 
 * Responds to closing events by stopping and releasing resources.
 */
public class DemoFrame extends Frame {
    public DemoApplet parent = null;

    public DemoFrame(String name) {
        super(name);

        // Respond to closing event by dying
        addWindowListener(new WindowAdapter () {
            public void windowClosing(WindowEvent e) { die(); }
        });
        
        setLocation(400, 100);
    }
    
    public DemoFrame() { this(""); }
    
    public final void initApplet(DemoApplet applet) { 
        parent = applet; 
        appletMain(applet);
    }
    
    protected void appletMain(DemoApplet applet) { }
    
    public void die() {
        if (parent == null) System.exit(0);
        this.dispose();
        parent.forgetFrame();
    }
}