/// <summary>
/// Processes selected items (from TreeView) and shows a dialog, where the user
/// can choose whether to create a new PSMClass or
/// create a Structural Representative and select the PSMClass to represent
/// or connect an existing root of a PSM Diagram
/// </summary>
public void ResolveRepresentants()
{
List <StructuralRepresentativeSelectorData> List = new List <StructuralRepresentativeSelectorData>();
StructuralRepresentativeSelectorData D;
//Look for PSM Classes to represent
foreach (TreeClasses T in Selected)
{
D = new StructuralRepresentativeSelectorData();
D.Representative = false;
D.ExistingRootClass = false;
D.TreeClass = T;
List <PSMClass> possibleRepresented = T.PIMClass.DerivedPSMClasses.Where(PSMClass => PSMClass.Diagram == Controller.Diagram).ToList();
/* also allow to reference classes from referenced diagrams */
foreach (PSMDiagramReference diagramReference in ((PSMDiagram)Controller.Diagram).DiagramReferences)
{
PSMDiagramReference reference = diagramReference;
possibleRepresented.AddRange(T.PIMClass.DerivedPSMClasses.Where(PSMClass => PSMClass.Diagram == reference.ReferencedDiagram));
}
D.PossibleRepresented = possibleRepresented;
D.PossibleRoots = T.PIMClass.DerivedPSMClasses.Where(
PSMClass => PSMClass.Diagram == Controller.Diagram && (Controller.Diagram as PSMDiagram).Roots.Contains(PSMClass) && !PSMClass.SubtreeContains(SourcePSMClass)
).ToList();
D.RootsSelectionEnabled = D.PossibleRoots.Count > 0;
if (D.PossibleRepresented.Count > 0) //Add only PSMClasses that are candidates for StructuralRepresentative
{ //Their corresponding PIM classes already have a PSMClass/Representative derived in current diagram
D.SelectedRepresentative = D.PossibleRepresented[0];
if (D.RootsSelectionEnabled) //Candidate for Root to child transition
{
D.SelectedRootClass = D.PossibleRoots[0];
}
List.Add(D);
}
}
if (List.Count > 0)
{
SelectRepresentantDialog dialog = new SelectRepresentantDialog();
dialog.List.ItemsSource = List;
dialog.ShowDialog();
}
foreach (StructuralRepresentativeSelectorData data in List)
{
if (data.Representative)
{
data.TreeClass.Represented = data.SelectedRepresentative;
}
if (data.ExistingRootClass)
{
data.TreeClass.RootClass = data.SelectedRootClass;
}
}
}