public override List <Shadow> GetSourceTargets()
{
List <Shadow> list = new List <Shadow>();
List <Connect> connects = GetShapeInputs();
if (connects.Count == 0)
{
// no inbound connectors, find the partner and go from there
OffPageRefShadow partnerShadow = GetPartnerOffPageRefShadow() as OffPageRefShadow;
if (partnerShadow != null)
{
List <Connect> partnerConnects = partnerShadow.GetShapeInputs();
if (partnerConnects.Count == 0)
{
if (GetShapeOutputs().Count == 0)
{
Common.ErrorMessage("No inputs for off-page connector " + shape.Text + " on page " + shape.ContainingPage.Name);
}
else
{
Common.ErrorMessage("No inputs for off-page connector " + partnerShadow.shape.Text + " on page " + partnerShadow.shape.ContainingPage.Name);
}
list.Add(this);
}
else
{
list.AddRange(partnerShadow.GetSourceTargets());
}
}
else
{
list.Add(this);
}
}
else
{
foreach (Connect c in connects)
{
// always the from sheet = connector (fromsheet = 1D, tosheet = 2D)
Shape sourceShape = c.FromSheet;
Shadow sourceShadow = PathMaker.LookupShadowByShape(sourceShape);
if (sourceShadow != null)
{
list.AddRange(sourceShadow.GetSourceTargets());
}
else
{
list.Add(this);
}
}
}
return(list);
}
public override Shadow GetDestinationTarget()
{
List <Connect> list = GetShapeOutputs();
System.Diagnostics.Debug.WriteLine("offpage - " + shape.Text + " page - " + shape.ContainingPage.Name);
if (list.Count == 0 && GetShapeInputs().Count == 0)
{
// no in or outbound connectors
return(this);
}
else if (list.Count > 0)
{
// find outbound link (should only be one)
if (list.Count != 1)
{
return(this);
}
// the FromSheet is the outgoing connector (always from = 1D, to = 2D)
Shadow connectedToShadow = PathMaker.LookupShadowByShape(list[0].FromSheet);
if (connectedToShadow != null)
{
return(connectedToShadow.GetDestinationTarget());
}
else
{
return(this);
}
}
else
{
OffPageRefShadow partnerShadow = GetPartnerOffPageRefShadow() as OffPageRefShadow;
if (partnerShadow != null && partnerShadow.GetShapeOutputs().Count > 0)
{
return(partnerShadow.GetDestinationTarget());
}
else
{
if (partnerShadow != null && partnerShadow.GetShapeInputs().Count > 0)
{
Common.ErrorMessage("Off page connector " + shape.Text + " on page " + shape.ContainingPage.Name + " and it's partner both have inputs");
}
return(this);
}
}
}