package mypackage;

import net.rim.device.api.system.Bitmap;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.Graphics;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.container.MainScreen;
import net.rim.device.api.ui.container.VerticalFieldManager;

class MyAPP extends UiApplication {
	public static void main(String[] args) {
		(new MyAPP()).enterEventDispatcher();
	}

	public MyAPP() {
		MainScreen myScreen = new MainScreen();
		Bitmap bmFocused = Bitmap.getBitmapResource("focused.png");
		Bitmap bmUnfocused = Bitmap.getBitmapResource("unfocused.png");
		VerticalFieldManager myManager = new VerticalFieldManager() {
			protected void sublayout(int width, int height) {
				int nWidth = 0, nHeight = 0;
				if (getFieldCount() == 3) {
					Field f = getField(0);

					setPositionChild(f, 26, 5);
					layoutChild(f, width, height);
					nWidth = Math.max(nWidth, f.getLeft() + f.getWidth());
					nHeight = Math.max(nHeight, f.getTop() + f.getHeight());

					f = getField(1);
					setPositionChild(f, 30, 70);
					layoutChild(f, width, height);
					nWidth = Math.max(nWidth, f.getLeft() + f.getWidth());
					nHeight = Math.max(nHeight, f.getTop() + f.getHeight());

					f = getField(2);
					setPositionChild(f, 60, 45);
					layoutChild(f, width, height);
					nWidth = Math.max(nWidth, f.getLeft() + f.getWidth());
					nHeight = Math.max(nHeight, f.getTop() + f.getHeight());
				}
				setExtent(nWidth, nHeight);
			}
		};

		for (int i = 0; i < 3; i++) {
			myManager.add(new CustomButtonField(bmFocused, bmUnfocused, 0));
		}
		myScreen.add(myManager);
		UiApplication.getUiApplication().pushScreen(myScreen);
	}
}

class CustomButtonField extends Field {
	Bitmap focussedImg;
	Bitmap unfocussedImg;

	public CustomButtonField(Bitmap focussedImg, Bitmap unfocussedImg,
			long style) {
		super(style | FOCUSABLE);
		this.focussedImg = focussedImg;
		this.unfocussedImg = unfocussedImg;
	}

	protected void layout(int width, int height) {
		setExtent(focussedImg.getWidth(), focussedImg.getHeight());
	}

	protected void paint(Graphics graphics) {
		Bitmap bm = isFocus() ? focussedImg : unfocussedImg;
		graphics.drawBitmap(0, 0, bm.getWidth(), bm.getHeight(), bm, 0, 0);
	}

	protected void drawFocus(Graphics graphics, boolean on) {
	}

	protected boolean navigationClick(int status, int time) {
		fieldChangeNotify(0);
		return true;
	}
}