public static ConnectionLeg DrawLegToShape(
Shape FromShape, Shape ToShape, ConnectionLeg LastLeg,
WhichDirection Direction)
{
ConnectionLeg leg = null;
LineCoordinates legCoor = null;
var toShapeInfo = ToShape.DirectionToShape(LastLeg.End);
// start point of the leg.
var legStart = LastLeg.End;
// attempt to draw a direct line to the shape.
if (legCoor == null)
{
legCoor = ConnectionRoute.TryDrawDirectLineToShape(
toShapeInfo, legStart, Direction);
}
// drawing a vertical line. draw it to the halfway point of the vertical side
// of the shape.
if ((legCoor == null) &&
Direction.IsVertical() &&
(toShapeInfo.VertDirection.Equals(Direction)))
{
var toPoint = new Point(legStart.X, toShapeInfo.VertSide.MidPoint.Y);
legCoor = new LineCoordinates(legStart, toPoint);
}
// drawing a horizontal line. draw it to the halfway point of the horiz side of
// the shape.
if ((legCoor == null) &&
Direction.IsHorizontal() &&
(toShapeInfo.HorizDirection.Equals(Direction)))
{
var toPoint = new Point(toShapeInfo.HorizSide.MidPoint.X, legStart.Y);
legCoor = new LineCoordinates(legStart, toPoint);
}
// leg not drawn. The current leg is part of an orbit around a shape. Have to draw to
// the next corner of the orbit.
if (legCoor == null)
{
var rectMore = ShapeMore.Construct(FromShape);
legCoor = rectMore.DrawLineToOrbitCorner(legStart, Direction);
}
leg = new ConnectionLeg()
{
Direction = Direction,
LineCoor = legCoor,
Start = legStart
};
return(leg);
}
public bool MatchesDirection(WhichDirection Direction)
{
if (Direction.IsVertical() && (VertDirection != null) &&
(VertDirection.Value == Direction))
{
return(true);
}
else if (Direction.IsHorizontal( ) && (this.HorizDirection != null) &&
(this.HorizDirection.Value == Direction))
{
return(true);
}
else
{
return(false);
}
}