public override void ElementDeleting(ElementDeletingEventArgs e)
{
if (e.ModelElement != null)
{
if (e.ModelElement.Store.TransactionManager.CurrentTransaction != null)
{
if (e.ModelElement.Store.TransactionManager.CurrentTransaction.IsSerializing)
{
return;
}
}
}
if (e.ModelElement == null)
{
return;
}
if (ImmutabilityExtensionMethods.GetLocks(e.ModelElement) != Locks.None)
{
return;
}
RelationshipShapeClassReferencesReferenceRelationship con = e.ModelElement as RelationshipShapeClassReferencesReferenceRelationship;
if (con != null)
{
if (con.DomainRelationship is ReferenceRelationship)
{
RelationshipShapeClass shape = con.RelationshipShapeClass;
ShapeRelationshipNode node = shape.ShapeRelationshipNode;
if (node != null)
{
// delete
ReferenceRelationship rel = con.DomainRelationship as ReferenceRelationship;
ReferenceRSNode n = rel.ReferenceRSNode;
if (n != null)
{
if (n.ShapeRelationshipNodes.Contains(node))
{
n.ShapeRelationshipNodes.Remove(node);
}
}
node.Delete();
}
}
}
}
public override void RolePlayerChanged(RolePlayerChangedEventArgs e)
{
if (e.ElementLink != null)
{
if (e.ElementLink.Store.TransactionManager.CurrentTransaction != null)
{
if (e.ElementLink.Store.TransactionManager.CurrentTransaction.IsSerializing)
{
return;
}
}
}
if (e.ElementLink == null)
{
return;
}
if (ImmutabilityExtensionMethods.GetLocks(e.ElementLink) != Locks.None)
{
return;
}
RelationshipShapeClassReferencesReferenceRelationship con = e.ElementLink as RelationshipShapeClassReferencesReferenceRelationship;
if (con != null)
{
RelationshipShapeClass shape = con.RelationshipShapeClass;
ShapeRelationshipNode node = shape.ShapeRelationshipNode;
// delete old
ReferenceRelationship relOld = e.OldRolePlayer as ReferenceRelationship;
if (relOld != null)
{
ReferenceRSNode nodeOld = relOld.ReferenceRSNode;
if (nodeOld != null)
{
node.RelationshipShapeClass = null;
if (nodeOld.ShapeRelationshipNodes.Contains(node))
{
nodeOld.ShapeRelationshipNodes.Remove(node);
}
}
node.Delete();
}
// create new
ReferenceRelationship rel = e.NewRolePlayer as ReferenceRelationship;
if (rel != null)
{
ReferenceRSNode n = rel.ReferenceRSNode;
// create new shape relationship node
ShapeRelationshipNode shapeNode = new ShapeRelationshipNode(con.Store);
shape.ShapeRelationshipNode = shapeNode;
n.ShapeRelationshipNodes.Add(shapeNode);
rel.ModelContext.ViewContext.DomainModelTreeView.ModelTreeNodes.Add(shapeNode);
if (rel.SerializedReferenceRelationship != null)
{
if (!rel.SerializedReferenceRelationship.IsInFullSerialization)
{
if (System.Windows.MessageBox.Show("Shape mapping has been defined for the ReferenceRelationship '" +
rel.Name + "'. The Relationship is not serialized in full form. Would you like to change the serialization of this relationship to full form (strongly adviced)?",
"Serialization",
System.Windows.MessageBoxButton.YesNo,
System.Windows.MessageBoxImage.Question) == System.Windows.MessageBoxResult.Yes)
{
rel.SerializedReferenceRelationship.IsInFullSerialization = true;
}
}
}
}
}
}