public DeleteShapeCommand(ObservableCollection<Shape> _shapes, ObservableCollection<Connection> _connections, Shape _shapeToDelete)
{
shapes = _shapes;
connections = _connections;
shapeToDelete = _shapeToDelete;
// if x,y of either of connection endpoint shapes, remove connection // TODO alternatively use id
connectionsToDelete = _connections.Where(x => (_shapeToDelete.X == x.End.X && _shapeToDelete.Y == x.End.Y) || (_shapeToDelete.X == x.Start.X && _shapeToDelete.Y == x.Start.Y)).ToList(); //TODO check if it works
}
public Connection(Shape _start, string _startMultiplicity, Shape _end, string _endMultiplicity, ConnectionType _type)
{
start = _start;
startMultiplicity = _startMultiplicity;
end = _end;
endMultiplicity = _endMultiplicity;
type = _type;
//double vec0X = 1;
//double vec0Y = 0;
//double vec1X = _end.CanvasCenterX - _start.CanvasCenterX;
//double vec1Y = _end.CanvasCenterY - _start.CanvasCenterY;
//double phi1 = Math.Acos((vec0X * vec1X) / (Math.Sqrt(Math.Pow(vec1X, 2) + Math.Pow(vec1Y, 2))));
//double phi2 = Math.Acos((vec0Y * vec1Y) / (Math.Sqrt(Math.Pow(vec1X, 2) + Math.Pow(vec1Y, 2))));
//if (Math.Abs(_start.CanvasCenterX - _end.CanvasCenterX) < _start.Width)
//{
// startX = _start.CanvasCenterX;
//}
//else if(_start.CanvasCenterX > _end.CanvasCenterX)
//{
// startX = _start.CanvasCenterX - _start.Width/2;
//}
//else
//{
// startX = _start.CanvasCenterX + _start.Width/2;
//}
//if(Math.Abs(_start.CanvasCenterY - _end.CanvasCenterY) < _start.Height)
//{
// startY = _start.CanvasCenterY;
//}else if(_start.CanvasCenterY > _end.CanvasCenterY)
//{
// startY = _start.CanvasCenterY - _start.Height/2;
//}
//else
//{
// startY = _start.CanvasCenterY + _start.Height/2;
//}
startPoint = new Point();
p1 = new Point();
p2 = new Point();
endPoint = new Point();
startPoint.X = _start.CanvasCenterX;// + (_start.CanvasCenterX < _end.CanvasCenterX ? _start.Width / 2 : -_start.Width / 2);
startPoint.Y = _start.CanvasCenterY;// + (_start.CanvasCenterY < _end.CanvasCenterY ? _start.Height / 2 : -_start.Height / 2);
endPoint.X = _end.CanvasCenterX;// + (_start.CanvasCenterX < _end.CanvasCenterX ? -_end.Width / 2 : _end.Width / 2);
endPoint.Y = _end.CanvasCenterY;// + (_start.CanvasCenterY < _end.CanvasCenterY ? -_end.Height / 2 : _end.Height / 2);
p1.X = _start.CanvasCenterX;
p1.Y = (_start.CanvasCenterY + _end.CanvasCenterY) / 2.0;
p2.Y = P1.Y;
p2.X = _end.CanvasCenterX;
}