private void InterpretPastChanges(List <IModelChange> changes, BubbledChangeEventArgs currentEvent)
{
var r = currentEvent.Feature as IReference;
if (r != null)
{
if (r.IsContainment)
{
var change = EventToChange(currentEvent);
throw new NotImplementedException();
}
else if (r.Opposite != null && r.Opposite.IsContainment && r.UpperBound == 1)
{
var change = EventToChange(currentEvent);
// last event created the item
var sourceChange = changes[changes.Count - 1];
var transaction = new ChangeTransaction
{
SourceChange = sourceChange
};
transaction.NestedChanges.Add(change);
changes[changes.Count - 1] = transaction;
return;
}
}
throw new InvalidOperationException($"The {currentEvent.ChangeType} event of {currentEvent.Element} could not be interpreted because {currentEvent.Feature} is not a reference.");
}
private static void CreateTransaction(List <IModelChange> changes, List <IModelChange> childChanges, IModelChange currentChange)
{
var transaction = new ChangeTransaction();
transaction.SourceChange = currentChange;
transaction.NestedChanges.AddRange(childChanges);
changes.Add(transaction);
}
/// <summary>
/// Creates a new instance
/// </summary>
public ChangeTransactionReferencedElementsCollection(ChangeTransaction parent)
{
this._parent = parent;
}
/// <summary>
/// Creates a new instance
/// </summary>
public ChangeTransactionChildrenCollection(ChangeTransaction parent)
{
this._parent = parent;
}