//   7/1/10   M. Brenner

import	java.io.*;
import	javax.microedition.lcdui.*;
import	javax.microedition.lcdui.game.*;

public class Boardisplayer
	implements Observer
{
	static private final int	COLS = 3,
					ROWS = 3,

					EMPTY = 0,

					CELLWIDTH = 120,
					CELLHEIGHT = 180,

					BOARDTOP = 0,
					BOARDBOTTOM = BOARDTOP + 3*CELLHEIGHT;

	static private final String	SYMBOLFILE = "symbols.png";

	private int		height_,
				width_;

	private TiledLayer	layer_;

	public
	Boardisplayer (int width, int height)
	{
		int		col,
				row,
				tileid;

		Image		image;



		width_ = width;
		height_ = height;

			try {
		image = Services.makeimage (SYMBOLFILE);
		layer_ = new TiledLayer (COLS, ROWS, image, CELLWIDTH, CELLHEIGHT);
			}
			catch (IOException e) {
				Log.print ("Boardisplayer.ctor() error: " + e);
			}
	}


	public int
	calcol (int x)
	{
		return  x/CELLWIDTH;
	}


	public int
	calcrow (int y)
	{
		return  y/CELLHEIGHT;
	}


	public void
	clear()
	{
		int		col,
				row;


		for (row = 0; row < ROWS; row++) {
			for (col = 0; col < COLS; col++) {
				clear (row, col);
			}
		}
	}


	public void
	clear (int row, int col)
	{
		layer_.setCell (col, row, EMPTY);
	}


	public int
	getbottom()
	{
		return  BOARDBOTTOM;
	}


	public int
	getop()
	{
		return  BOARDTOP;
	}


	public Layer
	getlayer()
	{
		return  layer_;
	}


	public void
	mark (int row, int col, int symbol)
	{
		layer_.setCell (col, row, symbol);
	}

	
	public void
	update (Observable obs, Object arg)
	{
		int		col,
				row;

		Board		board;


		board = (Board) obs;

		for (row = 0; row < ROWS; row++) {
			for (col = 0; col < COLS; col++) {
				mark (row, col, board.getelement (row, col));
			}
		}
		Application.getappgui().refresh();
	}
}