private static int GetRoomIndexForCoords(IReadOnlyList<Room> rooms, Coords coords)
{
for (var roomIndex = 0; roomIndex < rooms.Count; roomIndex++)
{
var room = rooms[roomIndex];
if (room.Cells.Contains(coords)) return roomIndex;
}
throw new InvalidOperationException($"Failed to find coords {coords} in any room!");
}
private static InternalRow BuildInternalRow(IReadOnlyList<Room> rooms, Coords coords, int value, bool isInitialValue)
{
var roomIndex = GetRoomIndexForCoords(rooms, coords);
return new InternalRow(coords, value, roomIndex, isInitialValue);
}
public bool HasDigitAt(Coords coords, int value)
{
return _placedDigits.ContainsKey(Tuple.Create(coords, value));
}
public void AddDigit(Coords coords, int value)
{
AddDigit(coords, value, false);
}
private void AddDigit(Coords coords, int value, bool isInitialValue)
{
// http://stackoverflow.com/questions/17828417/centering-text-vertically-and-horizontally-in-textblock-and-passwordbox-in-windo
var textBlock = new TextBlock
{
Text = Convert.ToString(value),
FontSize = 48,
Foreground = new SolidColorBrush(Colors.Black),
Opacity = isInitialValue ? 0.6 : 1.0,
TextAlignment = TextAlignment.Center,
Tag = isInitialValue ? TagType.InitialValue : TagType.Digit
};
var border = new Border
{
Width = _sw,
Height = _sh,
Child = textBlock
};
Canvas.SetLeft(border, coords.Col * _sw + GridLineHalfThickness);
Canvas.SetTop(border, (_numRows - coords.Row - 1) * _sh + GridLineHalfThickness);
BoardCanvas.Children.Add(border);
if (!isInitialValue)
_placedDigits[Tuple.Create(coords, value)] = border;
}
private static void FindNextLine(IList<Coords> outsideEdges, Coords currentLineEndCoords, out Coords nextLineStartCoords, out Coords nextLineEndCoords)
{
var numLines = outsideEdges.Count / 2;
for (var i = 0; i < numLines; i++)
{
var pt1 = outsideEdges[i * 2];
var pt2 = outsideEdges[i * 2 + 1];
if (pt1.Equals(currentLineEndCoords))
{
nextLineStartCoords = pt1;
nextLineEndCoords = pt2;
return;
}
}
throw new InvalidOperationException("FindNextLine failed to find the next line!");
}