public PlayGrid(ISequence <Constraints> columnConstraints, ISequence <Constraints> rowConstraints, IGrid <Square> squares)
{
if (columnConstraints == null)
{
throw new ArgumentNullException(nameof(columnConstraints));
}
else if (rowConstraints == null)
{
throw new ArgumentNullException("rowConstraints ");
}
else if (squares == null)
{
throw new ArgumentNullException(nameof(squares));
}
else if (columnConstraints.Length != squares.Size.Width)
{
throw new ArgumentException("Number of column constraints should be equal to grid width");
}
else if (rowConstraints.Length != squares.Size.Height)
{
throw new ArgumentException("Number of row constraints should be equal to grid height");
}
else
{
this.Squares = squares.Map(sqr => new Var <Square>(sqr)).Copy();
this.ColumnConstraints = (from i in Squares.ColumnIndices
let constraints = columnConstraints[i]
let slice = new Slice(Squares.Column(i).Map(var => var.Value))
select new PlayGridConstraints(slice, constraints)).ToSequence();
this.RowConstraints = (from i in Squares.RowIndices
let constraints = rowConstraints[i]
let slice = new Slice(Squares.Row(i).Map(var => var.Value))
select new PlayGridConstraints(slice, constraints)).ToSequence();
}
}