private void IdentifyGroupNodes()
{
groupNodes = new List <PSMElement>();
foreach (PSMElement element in Diagram.DiagramElements.Keys.OfType <PSMElement>())
{
PSMClass psmClass = element as PSMClass;
if (psmClass == null)
{
continue;
}
if (!psmClass.EncompassesContentForParentSignificantNode() &&
!psmClass.EncompassesAttributesForParentSignificantNodeOrSelf())
{
continue;
}
if (!psmClass.HasElementLabel)
{
groupNodes.Add(element);
continue;
}
if (changesByTarget.ContainsKey(psmClass))
{
ClassElementNameChange elc =
(ClassElementNameChange)
changesByTarget[psmClass].FirstOrDefault(
change => change is ClassElementNameChange && change.Element == psmClass);
if (elc != null && elc.ElementLabelAdded)
{
groupNodes.Add(element);
continue;
}
}
}
}
