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;
}
ShapeClassReferencesDomainClass shapeCon = e.ModelElement as ShapeClassReferencesDomainClass;
if (shapeCon != null)
{
PresentationDomainClassElement shapeClass = shapeCon.ShapeClass;
ShapeClassNode node = shapeClass.ShapeClassNode;
if (node != null)
{
// delete
DomainClass domainClass = shapeCon.DomainClass;
foreach (TreeNode n in domainClass.DomainModelTreeNodes)
{
if (n.IsElementHolder)
{
if (n.ShapeClassNodes.Contains(node))
{
n.ShapeClassNodes.Remove(node);
}
break;
}
}
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;
}
ShapeClassReferencesDomainClass shapeCon = e.ElementLink as ShapeClassReferencesDomainClass;
if (shapeCon != null)
{
PresentationDomainClassElement shapeClass = shapeCon.ShapeClass;
ShapeClassNode node = shapeClass.ShapeClassNode;
// delete old
DomainClass domainClass = e.OldRolePlayer as DomainClass;
if (node != null)
{
foreach (TreeNode n in domainClass.DomainModelTreeNodes)
{
if (n.IsElementHolder)
{
if (n.ShapeClassNodes.Contains(node))
{
n.ShapeClassNodes.Remove(node);
}
break;
}
}
}
// add new
domainClass = e.NewRolePlayer as DomainClass;
foreach (TreeNode n in domainClass.DomainModelTreeNodes)
{
if (n.IsElementHolder)
{
ShapeClassNode shapeNode = new ShapeClassNode(shapeCon.Store);
shapeClass.ShapeClassNode = shapeNode;
n.ShapeClassNodes.Add(shapeNode);
domainClass.ModelContext.ViewContext.DomainModelTreeView.ModelTreeNodes.Add(shapeNode);
break;
}
}
if (node != null)
{
node.Delete();
}
}
}