public override IEnumerable <IModelChange> Invert()
{
var child = new CompositionChange
{
AffectedElement = AffectedElement,
OldValue = NewValue,
NewValue = OldValue,
Feature = Feature
};
var composition = (ICompositionInsertion)(Origin.Invert().First());
yield return(composition.ConvertIntoMove(child));
}
private static IModelChange CreatePropertyChange(BubbledChangeEventArgs e)
{
var reference = e.Feature as IReference;
var valChange = e.OriginalEventArgs as ValueChangedEventArgs;
if (reference != null)
{
if (reference.IsContainment)
{
var change = new CompositionChange
{
AffectedElement = e.Element,
Feature = e.Feature,
OldValue = valChange.OldValue as IModelElement,
NewValue = valChange.NewValue as IModelElement
};
if (change.DeletedElement == null || change.DeletedElement.Parent == null)
{
return(change);
}
else
{
throw new NotImplementedException();
}
}
else
{
return(new AssociationChange
{
AffectedElement = e.Element,
Feature = e.Feature,
OldValue = valChange.OldValue as IModelElement,
NewValue = valChange.NewValue as IModelElement
});
}
}
else
{
return(new AttributeChange
{
AffectedElement = e.Element,
Feature = e.Feature,
OldValue = valChange.OldValue != null?e.Feature.Type.Serialize(valChange.OldValue) : null,
NewValue = valChange.NewValue != null?e.Feature.Type.Serialize(valChange.NewValue) : null
});
}
}
/// <summary>
/// Creates a new instance
/// </summary>
public CompositionChangeReferencedElementsCollection(CompositionChange parent)
{
this._parent = parent;
}
/// <summary>
/// Creates a new instance
/// </summary>
public CompositionChangeChildrenCollection(CompositionChange parent)
{
this._parent = parent;
}
