package awtExtExamples ;

import java.awt.*;
import awtExt.CallbackInfo ;

public class CardPanel extends Panel {
    Panel create(LayoutManager layout) {
	Panel p = new Panel();
	p.setLayout(layout);
	try {
	p.add("North",  new awtExt.Button("one"  , this, "buttonMethod" ));
	p.add("West",   new awtExt.Button("two"  , this, "buttonMethod" ));
	p.add("South",  new awtExt.Button("three", this, "buttonMethod" ));
	p.add("East",   new awtExt.Button("four" , this, "buttonMethod" ));
	p.add("Center", new awtExt.Button("five" , this, "buttonMethod" ));
	} catch( Exception e ) { e.printStackTrace() ; } ;
	return p;
    }

    CardPanel() {
	setLayout(new CardLayout());
	add("one", create(new FlowLayout()));
	add("two", create(new BorderLayout()));
	add("three", create(new GridLayout(2, 2)));
	add("four", create(new BorderLayout(10, 10)));
	add("five", create(new FlowLayout(FlowLayout.LEFT, 10, 10)));
	add("six", create(new GridLayout(2, 2, 10, 10)));
    }

    public Dimension preferredSize() {
	return new Dimension(200, 100);
    }



    //---------------------------------------
    // Call back method for button object. The label
    // of the button is the argument to pass to CardLayout.show()..
    //
    public void buttonMethod( CallbackInfo cbi ) {
	((CardLayout)getLayout()).show(this,(String)cbi.what);
    }
}