public IPredefinedSudokuBox GetPredefinedSudokuBox(
SudokuBoxCoordinate coordinate,
SudokuBoxCoordinate?parentCoordinate,
SudokuBoxNumbers number)
{
return(new PredefinedSudokuBox(coordinate, parentCoordinate, number));
}
public PredefinedSudokuBox(
SudokuBoxCoordinate coordinate,
SudokuBoxCoordinate?parentCoordinate,
SudokuBoxNumbers number)
: base(coordinate, parentCoordinate, SudokuBoxState.Predefined)
{
Number = number;
}
public INoteSudokuBox WithOrWithoutNumber(SudokuBoxNumbers number)
{
var numbers = new List <SudokuBoxNumbers>(Numbers);
if (numbers.All(n => n != number))
{
numbers.Add(number);
}
else
{
numbers.Remove(number);
}
// ReSharper disable once PossibleInvalidOperationException
return(new NoteSudokuBox(Coordinate, ParentCoordinate, numbers));
}
public static SudokuBoxCoordinate?GetCoordinate(int index, SudokuBoxNumbers xWidth)
{
var x = index / (int)xWidth + 1;
if (!Enum.IsDefined(typeof(SudokuBoxNumbers), x))
{
return(null);
}
var y = index % (int)xWidth + 1;
if (!Enum.IsDefined(typeof(SudokuBoxNumbers), y))
{
return(null);
}
return(new SudokuBoxCoordinate((SudokuBoxNumbers)x, (SudokuBoxNumbers)y));
}
public UserFilledSudokuBox WithNumber(SudokuBoxNumbers newNumber)
{
// ReSharper disable once PossibleInvalidOperationException
return(newNumber == Number ? this : new UserFilledSudokuBox(Coordinate, ParentCoordinate, newNumber));
}
public IPredefinedSudokuBox WithNumber(SudokuBoxNumbers newNumber)
{
return(newNumber == Number ? this : new PredefinedSudokuBox(Coordinate, ParentCoordinate, newNumber));
}
public SudokuBoxCoordinate(SudokuBoxNumbers x, SudokuBoxNumbers y)
{
X = x;
Y = y;
}
public static int GetIndex(SudokuBoxCoordinate coordinate, SudokuBoxNumbers xWidth)
{
return(((int)coordinate.X - 1) * (int)xWidth + (int)coordinate.Y - 1);
}
