// Copyright (c) Sean Walton 1999-2006 All rights reserved
//
// Standard disclaimer: you use it --> you're responsible
// Standard license: you can use it in any way, but keep
//		my copyright attached.

///////////////////////////////////////////////////////////////////////////////////////
/// Grid
Grid::Grid(unsigned char nrows, unsigned char width)
	: Field(), rows(nrows), cellwidth(width)
{
//	cellwidth = CELLWIDTH;
	Clear();
}

void Grid::Paint(Graphics& g)
{	int height = CELLHEIGHT;
	for ( int r = 0; r < rows; r++ )
		for ( int c = 0; c < MAXCOLS; c++ )
			if ( tab[r][c][0] != 0 )
				g.DrawString(c*cellwidth+1, r*height, tab[r][c], strlen(tab[r][c]), GetFont(), 0);
	g.Invert(XYRect(0, 0, GetWidth(), height));
}

int Grid::OnScroll(int axis, int directionMagnitude)
{	int retval=0;

	selected += directionMagnitude;
	if ( axis == 1 ) // X axis
	{
		if ( selectBy != eColumn )
		{
			selectBy = eColumn;
			selected = 0;
		}
		if ( selected >= MAXCOLS )
		{
			retval = 1;
			selected = MAXCOLS-1;
		}
	}
	else if ( axis == 2 ) // Y axis
	{
		if ( selectBy != eRow )
		{
			selectBy = eRow;
			selected = 1;
		}
		else
			if ( selected == 0 )
				selected += directionMagnitude;
		if ( selected >= rows )
		{
			retval = 1;
			selected = rows-1;
		}
	}
	if ( selected < 0 )
	{
		retval = -1;
		selected = 0;
	}
	return retval;
}

XYRect Grid::GetFocusRect(void) const
{	int height = CELLHEIGHT;

	switch ( selectBy )
	{
		case eRow: 
			if ( selected < rows )
				return XYRect(0, selected*height, GetWidth(), height);
			break;
		case eColumn: 
			if ( selected < MAXCOLS )
				return XYRect(selected*cellwidth, height, cellwidth, GetHeight()); 
			break;
		case eCell:
			int r = selected/MAXCOLS;
			int c = selected%MAXCOLS;
			return XYRect(c*cellwidth, r*height, cellwidth, height);
	}
	char temps[20];
	RimSprintf(temps, sizeof(temps), "selected=%d", selected);
	Status status(temps);
	return XYRect(-1, -1, 0, 0);
}

void Grid::Clear(void)
{
	selected = 1;
	selectBy = eRow;
	memset(&tab, 0, sizeof(tab));
	SetCell(0, 0, "POWER");
	SetCell(0, 2, "BID");
	SetCell(0, 3, "ASK");
	SetCell(0, 4, "LAST");
	SetCell(0, 5, "CHNG");
}

void Grid::SetCell(int row, int col, char *str)
{
	strncpy(tab[row][col], str, MAXCHARS);
	tab[row][col][MAXCHARS-1] = 0;
}