/// <summary>
/// Deletes the rs view model that is hosting the given node.
/// </summary>
/// <param name="node">Node.</param>
public void DeleteEmbeddingNode(EmbeddingNode node)
{
for (int i = this.embeddingNodeVMs.Count - 1; i >= 0; i--)
{
if (this.embeddingNodeVMs[i].EmbeddingNode.Id == node.Id)
{
this.embeddingNodeVMs[i].Dispose();
this.embeddingNodeVMs.RemoveAt(i);
}
}
}
/// <summary>
/// Adds a new embedding rs view model for the given node.
/// </summary>
/// <param name="node">Node.</param>
public void AddEmbeddingNode(EmbeddingNode node)
{
// verify that node hasnt been added yet
foreach (EmbeddingNodeViewModel viewModel in this.embeddingNodeVMs)
{
if (viewModel.EmbeddingNode.Id == node.Id)
{
return;
}
}
EmbeddingNodeViewModel vm = new EmbeddingNodeViewModel(this.ViewModelStore, node, this);
this.embeddingNodeVMs.Add(vm);
}
/// <summary>
/// Adds a new embedding relationship instance. Needs to be called within a modeling transaction.
/// </summary>
/// <param name="source">Domain class representing the parent.</param>
/// <param name="target">Domain class representing the child.</param>
public static void AddNewEmbeddingRS(EmbeddingRelationship emb, DomainClass source, AttributedDomainElement target, bool bTargetElementHolder)
{
// tree nodes
// 1. find the element holder node for source
// 2. add new EmbeddingRSNode, connect to rs
// 3. add new EmbeddingNode for target
TreeNode elementHolderNode = null;
foreach (TreeNode node in source.DomainModelTreeNodes)
{
if (node.IsElementHolder)
{
elementHolderNode = node;
break;
}
}
if (elementHolderNode == null)
{
throw new ArgumentNullException("elementHolderNode");
}
EmbeddingRSNode rsNode = new EmbeddingRSNode(source.Store);
rsNode.Relationship = emb;
EmbeddingNode embNode = new EmbeddingNode(source.Store);
embNode.DomainElement = target;
embNode.IsElementHolder = bTargetElementHolder;
if (!bTargetElementHolder)
{
embNode.IsExpanded = false;
}
elementHolderNode.EmbeddingRSNodes.Add(rsNode);
rsNode.EmbeddingNode = embNode;
source.ModelContext.ViewContext.DomainModelTreeView.ModelTreeNodes.Add(rsNode);
source.ModelContext.ViewContext.DomainModelTreeView.ModelTreeNodes.Add(embNode);
}
/// <summary>
/// Deletes the rs view model that is hosting the given node.
/// </summary>
/// <param name="node">Node.</param>
public void DeleteEmbeddingNode(EmbeddingNode node)
{
for (int i = this.embeddingNodeVMs.Count - 1; i >= 0; i--)
if (this.embeddingNodeVMs[i].EmbeddingNode.Id == node.Id)
{
this.embeddingNodeVMs[i].Dispose();
this.embeddingNodeVMs.RemoveAt(i);
}
}
/// <summary>
/// Adds a new embedding rs view model for the given node.
/// </summary>
/// <param name="node">Node.</param>
public void AddEmbeddingNode(EmbeddingNode node)
{
// verify that node hasnt been added yet
foreach (EmbeddingNodeViewModel viewModel in this.embeddingNodeVMs)
if (viewModel.EmbeddingNode.Id == node.Id)
return;
EmbeddingNodeViewModel vm = new EmbeddingNodeViewModel(this.ViewModelStore, node, this);
this.embeddingNodeVMs.Add(vm);
}
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;
}
TreeNodeReferencesEmbeddingRSNodes con = e.ModelElement as TreeNodeReferencesEmbeddingRSNodes;
if (con != null)
{
EmbeddingRSNode rsNode = con.EmbeddingRSNode;
if (rsNode != null)
{
EmbeddingNode node = rsNode.EmbeddingNode;
if (node != null)
{
// since this node still exists, it isnt included in the deletion process
// --> move to root node if this node is the element holder, as its parent has been deleted
if (node.IsElementHolder)
{
RootNode rootNode = new RootNode(node.Store);
rootNode.DomainElement = node.DomainElement;
node.EmbeddingModelTreeViewModel.RootNodes.Add(rootNode);
node.EmbeddingModelTreeViewModel.ModelTreeNodes.Add(rootNode);
// 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;
}
rootNode.IsElementHolder = true;
rootNode.IsEmbeddingTreeExpanded = node.IsEmbeddingTreeExpanded;
rootNode.IsExpanded = true;
rootNode.IsInheritanceTreeExpanded = node.IsInheritanceTreeExpanded;
rootNode.IsReferenceTreeExpanded = node.IsReferenceTreeExpanded;
rootNode.IsShapeMappingTreeExpanded = node.IsShapeMappingTreeExpanded;
}
node.Delete();
}
rsNode.Delete();
}
}
}
/// <summary>
/// Constuctor.
/// </summary>
/// <param name="viewModelStore">The store this view model belongs to.</param>
/// <param name="embeddingNode">Embedding node.</param>
/// <param name="parent">Parent.</param>
public EmbeddingNodeViewModel(ViewModelStore viewModelStore, EmbeddingNode embeddingNode, EmbeddingRSNodeViewModel parent)
: base(viewModelStore, embeddingNode, parent.Parent)
{
this.parentTreeNode = parent;
}
