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;
}
ReferenceRelationship referenceRelationship = e.ModelElement as ReferenceRelationship;
if (referenceRelationship != null)
{
if (referenceRelationship.ReferenceRSNode != null)
{
referenceRelationship.ReferenceRSNode.Delete();
}
}
EmbeddingRelationship embeddingRelationship = e.ModelElement as EmbeddingRelationship;
if (embeddingRelationship != null)
{
if (embeddingRelationship.EmbeddingRSNode != null)
{
embeddingRelationship.EmbeddingRSNode.Delete();
}
}
DomainClassReferencesBaseClass inhRelationship = e.ModelElement as DomainClassReferencesBaseClass;
if (inhRelationship != null)
{
InheritanceNode node = inhRelationship.Store.ElementDirectory.FindElement(inhRelationship.InhNodeId) as InheritanceNode;
if (node != null)
{
if (node.IsElementHolder)
{
RootNode rootNode = new RootNode(node.Store);
rootNode.DomainElement = node.DomainElement;
rootNode.IsElementHolder = true;
rootNode.IsEmbeddingTreeExpanded = node.IsEmbeddingTreeExpanded;
rootNode.IsExpanded = true;
rootNode.IsInheritanceTreeExpanded = node.IsInheritanceTreeExpanded;
rootNode.IsReferenceTreeExpanded = node.IsReferenceTreeExpanded;
rootNode.IsShapeMappingTreeExpanded = node.IsShapeMappingTreeExpanded;
// copy sub tree
for (int i = node.EmbeddingRSNodes.Count - 1; i >= 0; i--)
{
node.EmbeddingRSNodes[i].TreeNode = rootNode;
}
for (int i = node.ReferenceRSNodes.Count - 1; i >= 0; i--)
{
node.ReferenceRSNodes[i].TreeNode = rootNode;
}
for (int i = node.InheritanceNodes.Count - 1; i >= 0; i--)
{
node.InheritanceNodes[i].TreeNode = rootNode;
}
for (int i = node.ShapeClassNodes.Count - 1; i >= 0; i--)
{
node.ShapeClassNodes[i].TreeNode = rootNode;
}
node.DomainElement.ParentModelContext.ViewContext.DomainModelTreeView.RootNodes.Add(rootNode);
node.DomainElement.ParentModelContext.ViewContext.DomainModelTreeView.ModelTreeNodes.Add(rootNode);
}
// connection was deleted using the property window and not the menu item, so delete the rs and the
// node here
//if (inhNode.IsElementHolder)
// TreeOperations.SplitTree(inhNode);
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;
}
DomainClassReferencesBaseClass con = e.ElementLink as DomainClassReferencesBaseClass;
if (con != null)
{
if (con.BaseClass != null)
{
TreeNode elementHolderNode = null;
foreach (TreeNode node in con.BaseClass.DomainModelTreeNodes)
{
if (node.IsElementHolder)
{
elementHolderNode = node;
break;
}
}
if (elementHolderNode == null)
{
throw new ArgumentNullException("elementHolderNode");
}
// we need to delte the old inheritance node and add a new one for the changed inheritance relationship
InheritanceNode inhNodeOld = con.Store.ElementDirectory.FindElement(con.InhNodeId) as InheritanceNode;
if (inhNodeOld == null)
{
return;
}
// create new inheritance node
InheritanceNode inhNode = new InheritanceNode(con.Store);
inhNode.DomainElement = con.DerivedClass;
inhNode.IsElementHolder = inhNodeOld.IsElementHolder;
inhNode.IsExpanded = inhNodeOld.IsExpanded;
inhNode.InhRelationshipId = con.Id;
inhNode.IsEmbeddingTreeExpanded = inhNodeOld.IsEmbeddingTreeExpanded;
inhNode.IsInheritanceTreeExpanded = inhNodeOld.IsInheritanceTreeExpanded;
inhNode.IsReferenceTreeExpanded = inhNodeOld.IsReferenceTreeExpanded;
inhNode.IsShapeMappingTreeExpanded = inhNodeOld.IsShapeMappingTreeExpanded;
con.InhNodeId = inhNode.Id;
// copy sub tree
for (int i = inhNodeOld.EmbeddingRSNodes.Count - 1; i >= 0; i--)
{
inhNodeOld.EmbeddingRSNodes[i].TreeNode = inhNode;
}
for (int i = inhNodeOld.ReferenceRSNodes.Count - 1; i >= 0; i--)
{
inhNodeOld.ReferenceRSNodes[i].TreeNode = inhNode;
}
for (int i = inhNodeOld.InheritanceNodes.Count - 1; i >= 0; i--)
{
inhNodeOld.InheritanceNodes[i].TreeNode = inhNode;
}
for (int i = inhNodeOld.ShapeClassNodes.Count - 1; i >= 0; i--)
{
inhNodeOld.ShapeClassNodes[i].TreeNode = inhNode;
}
elementHolderNode.InheritanceNodes.Add(inhNode);
con.DerivedClass.ModelContext.ViewContext.DomainModelTreeView.ModelTreeNodes.Add(inhNode);
inhNodeOld.Delete();
}
}
}
