// ---------------------------------------------------------------------------------------------------------------------------------------------------------
/// <summary>
/// Bends in mutual opposite directions the specified visual connectors which represents an auto-reference.
/// </summary>
public void BendAutoRefConnectors(VisualConnector OriginConnector, VisualConnector TargetConnector)
{
double Toleration = 20.0;
double Expansion = Toleration * 2.0;
double PosX, PosY;
bool TooCloseX, TooCloseY;
var PrimaryCenter = this.MainSymbol.BaseCenter;
var SecondaryCenter = (OriginConnector.OriginSymbol == this.MainSymbol
? OriginConnector.TargetSymbol.BaseCenter
: OriginConnector.OriginSymbol.BaseCenter);
if (OriginConnector.IntermediatePosition == Display.NULL_POINT)
{
PosX = PrimaryCenter.X;
PosY = SecondaryCenter.Y;
TooCloseX = PosX.IsCloseTo(SecondaryCenter.X, Toleration);
TooCloseY = PosY.IsCloseTo(PrimaryCenter.Y, Toleration);
if (TooCloseX)
{
PosX = PrimaryCenter.X - Expansion;
PosY = (PrimaryCenter.Y + SecondaryCenter.Y) / 2.0;
}
if (TooCloseY)
{
PosY = SecondaryCenter.Y - Expansion;
PosX = (PrimaryCenter.X + SecondaryCenter.X) / 2.0;
}
OriginConnector.IntermediatePosition = new Point(PosX, PosY);
}
if (TargetConnector.IntermediatePosition == Display.NULL_POINT)
{
PosX = SecondaryCenter.X;
PosY = PrimaryCenter.Y;
TooCloseX = PosX.IsCloseTo(PrimaryCenter.X, Toleration);
TooCloseY = PosY.IsCloseTo(SecondaryCenter.Y, Toleration);
if (TooCloseX)
{
PosX = SecondaryCenter.X + Expansion;
PosY = (PrimaryCenter.Y + SecondaryCenter.Y) / 2.0;
}
if (TooCloseY)
{
PosY = PrimaryCenter.Y + Expansion;
PosX = (PrimaryCenter.X + SecondaryCenter.X) / 2.0;
}
TargetConnector.IntermediatePosition = new Point(PosX, PosY);
}
}