private void UpdateProperties()
{
RedSquares = ToyBlocks.Where(x => x is Square).Count(x => x.Colour == Colour.Red);
BlueSquares = ToyBlocks.Where(x => x is Square).Count(x => x.Colour == Colour.Blue);
YellowSquares = ToyBlocks.Where(x => x is Square).Count(x => x.Colour == Colour.Yellow);
RedTriangles = ToyBlocks.Where(x => x is Triangle).Count(x => x.Colour == Colour.Red);
BlueTriangles = ToyBlocks.Where(x => x is Triangle).Count(x => x.Colour == Colour.Blue);
YellowTriangles = ToyBlocks.Where(x => x is Triangle).Count(x => x.Colour == Colour.Yellow);
RedCircles = ToyBlocks.Where(x => x is Circle).Count(x => x.Colour == Colour.Red);
BlueCircles = ToyBlocks.Where(x => x is Circle).Count(x => x.Colour == Colour.Blue);
YellowCircles = ToyBlocks.Where(x => x is Circle).Count(x => x.Colour == Colour.Yellow);
TotalSquares = ToyBlocks.Count(x => x is Square);
TotalTriangles = ToyBlocks.Count(x => x is Triangle);
TotalCircles = ToyBlocks.Count(x => x is Circle);
TotalRedBlocks = ToyBlocks.Count(x => x.Colour == Colour.Red);
}
public void Add(IToyBlock block)
{
ToyBlocks.Add(block);
UpdateProperties();
}