public IElementaryChange ConvertIntoMove(ICompositionDeletion originChange)
{
return(new CompositionMoveToCollection
{
AffectedElement = AffectedElement,
MovedElement = AddedElement,
Feature = Feature,
Origin = originChange
});
}
public IElementaryChange ConvertIntoMove(ICompositionDeletion originChange)
{
return(new CompositionMoveIntoProperty
{
AffectedElement = AffectedElement,
OldValue = OldValue,
NewValue = NewValue,
Feature = Feature,
Origin = originChange
});
}
private IModelChange CreateMove(ICompositionDeletion deletion)
{
var parent = deletion.DeletedElement.Parent;
int index;
var reference = parent.GetContainerReference(deletion.DeletedElement, out index);
if (reference == null || !reference.IsContainment)
{
throw new InvalidOperationException("There is something wrong with your generated code. Please regenerate and try again. If the problem persists, please contact the NMF developers.");
}
if (reference.UpperBound == 1)
{
return(new CompositionMoveIntoProperty
{
AffectedElement = parent,
Feature = reference,
NewValue = deletion.DeletedElement,
OldValue = null,
Origin = deletion
});
}
else
{
if (reference.IsOrdered)
{
return(new CompositionMoveToList
{
AffectedElement = parent,
Feature = reference,
MovedElement = deletion.DeletedElement,
Index = index,
Origin = deletion
});
}
else
{
return(new CompositionMoveToCollection
{
AffectedElement = parent,
Feature = reference,
MovedElement = deletion.DeletedElement,
Origin = deletion
});
}
}
}
private void ConnectInsertionsAndDeletions(List <IModelChange> list)
{
for (int i = list.Count - 1; i >= 0; i--)
{
IElementaryChange elementary = list[i] as IElementaryChange;
if (elementary != null && elementary.AffectedElement != null && elementSources.ContainsKey(elementary.AffectedElement))
{
list.RemoveAt(i);
}
else
{
var t = list[i] as IChangeTransaction;
if (t != null && t.NestedChanges.Count == 1)
{
}
}
}
int currentIndex = 0;
while (currentIndex < list.Count)
{
ICompositionDeletion deletion = list[currentIndex] as ICompositionDeletion;
if (deletion != null && deletion.DeletedElement.Parent != null)
{
ElementSourceInfo sourceInfo;
if (elementSources.TryGetValue(deletion.DeletedElement, out sourceInfo))
{
elementSources.Remove(deletion.DeletedElement);
foreach (var item in deletion.DeletedElement.Descendants())
{
elementSources.Remove(item);
}
list.RemoveAt(currentIndex);
continue;
}
if (currentIndex < list.Count)
{
TryEliminateDeletion(list, ref currentIndex, deletion);
}
}
currentIndex++;
}
}
private void TryEliminateDeletion(List <IModelChange> list, ref int currentIndex, ICompositionDeletion deletion)
{
for (int i = 0; i < list.Count; i++)
{
var insertion = list[i] as ICompositionInsertion;
if (insertion == null)
{
var transaction = list[i] as IChangeTransaction;
if (transaction != null && transaction.NestedChanges.Count == 1)
{
insertion = transaction.NestedChanges[0] as ICompositionInsertion;
}
}
if (insertion != null && insertion.AddedElement == deletion.DeletedElement)
{
RemoveAllElementSources(insertion.AddedElement);
list[i] = insertion.ConvertIntoMove(deletion);
list.RemoveAt(currentIndex);
currentIndex--;
return;
}
else if (insertion != null && IsAncestor(insertion.AddedElement, deletion.DeletedElement))
{
RemoveAllElementSources(deletion.DeletedElement);
list.RemoveAt(currentIndex);
list.Insert(currentIndex, CreateMove(deletion));
currentIndex--;
return;
}
}
}
