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

/**
 *   Simple top level frame that deals with one component and sizing.
 *   @author <nathanw@mit.edu>
 *   @author <las@ai.mit.edu>
 *   @version $Id: DefaultFrame.java,v 1.1.1.1 2002/06/05 21:56:24 root Exp $
 */
public class DefaultFrame extends Frame
{

    public static void main( String[] args )
    {
	System.out.print("Creating components..");
	new DefaultFrame( new AlphaCanvas() ).init();
	System.out.println("..done!");
    }

    private Component c;
  
    /**
     *  This construtor is private; no one should ever create a
     *  DefaultFrame without a Component.
     */
    private DefaultFrame()
    {
	super("Default");
	c = null;
    }

    /**
     *  Create a Frame containing only Component.
     *  @param the Component to install in the Frame.
     */
    public DefaultFrame(Component c)
    {
	super("Default");
	this.c = c;
    }

    /**
     *  Make the Frame appear.  Must be called or Frame will not be
     *  visible/usable.  Also sets up Listener connection to handle
     *  closing events.  
     */
    public void init()
    {
	this.addWindowListener( new WindowClosingListener( this ) );
	this.add("Center",c);
	this.pack();
	this.show();
    }

}