/// <summary>
/// Returns the edge an embedded element is bound to (left, right, top, bottom)
/// </summary>
/// <param name="obj"></param>
/// <param name="rep"></param>
/// <returns></returns>
public static EmbeddedPosition Edge(this EA.DiagramObject obj, EA.Repository rep)
{
EA.Element el = rep.GetElementByID(obj.ElementID);
EA.Element elParent = el.GetParentOfEmbedded(rep);
if (elParent == null)
{
return(EmbeddedPosition.Undefined);
}
// for Required/Required Interface use the owning Port for the position
if (el.Type == "ProvidedInterface" ||
el.Type == "RequiredInterface")
{
if (el.ParentID == 0)
{
return(EmbeddedPosition.Undefined);
}
el = rep.GetElementByID(el.ParentID);
}
EA.Diagram dia = rep.GetDiagramByID(obj.DiagramID);
EA.DiagramObject objParent = dia.GetDiagramObjectByID(elParent.ElementID, "");
EA.DiagramObject objFirstEmbedded = dia.GetDiagramObjectByID(el.ElementID, "");
if (objParent == null)
{
return(EmbeddedPosition.Undefined);
}
int horicontalCenter = objFirstEmbedded.left + (objFirstEmbedded.right - objFirstEmbedded.left) / 2;
int verticalCenter = objFirstEmbedded.top - (objFirstEmbedded.top - objFirstEmbedded.bottom) / 2;
if (horicontalCenter < objParent.left + 10 && horicontalCenter > objParent.left - 10)
{
return(EmbeddedPosition.Left);
}
if (horicontalCenter < objParent.right + 10 && horicontalCenter > objParent.right - 10)
{
return(EmbeddedPosition.Right);
}
if (verticalCenter < objParent.top + 10 && verticalCenter > objParent.top - 10)
{
return(EmbeddedPosition.Top);
}
if (verticalCenter < objParent.bottom + 10 && verticalCenter > objParent.bottom - 10)
{
return(EmbeddedPosition.Bottom);
}
return(EmbeddedPosition.Undefined);
}
/// <summary>
/// Get parent Element of an Embedded Element which isn't an embedded element. Returns null if not found
/// </summary>
/// <param name="el"></param>
/// <param name="rep"></param>
/// <returns></returns>
public static EA.Element GetParentOfEmbedded(this EA.Element el, EA.Repository rep)
{
if (!el.IsEmbeddedElement(rep, true))
{
return(el);
}
if (el.ParentID == 0)
{
return(null);
}
EA.Element elParent = rep.GetElementByID(el.ParentID);
if (elParent.IsEmbeddedElement(rep, true))
{
return(elParent.GetParentOfEmbedded(rep));
}
return(elParent);
}
