/// <summary> /// Inserts a new node in a list. /// </summary> /// <param name="operation">Details of the operation performed.</param> public virtual void Insert(WriteableInsertNodeOperation operation) { int InsertionIndex = operation.Index; Debug.Assert(InsertionIndex >= 0 && InsertionIndex <= StateList.Count); Node ParentNode = Owner.Node; Node Node = operation.Node; NodeTreeHelperList.InsertIntoList(ParentNode, PropertyName, InsertionIndex, Node); IWriteableBrowsingListNodeIndex BrowsingIndex = CreateBrowsingNodeIndex(Node, InsertionIndex); IWriteablePlaceholderNodeState ChildState = (IWriteablePlaceholderNodeState)CreateNodeState(BrowsingIndex); InsertInStateList(InsertionIndex, ChildState); operation.Update(BrowsingIndex, ChildState); while (++InsertionIndex < StateList.Count) { IWriteablePlaceholderNodeState State = (IWriteablePlaceholderNodeState)StateList[InsertionIndex]; IWriteableBrowsingListNodeIndex NodeIndex = State.ParentIndex as IWriteableBrowsingListNodeIndex; Debug.Assert(NodeIndex != null); Debug.Assert(NodeIndex.Index == InsertionIndex - 1); NodeIndex.MoveUp(); } }
/// <inheritdoc/> public override void CloneChildren(Node parentNode) { NodeTreeHelperList.ClearChildNodeList(parentNode, PropertyName); for (int i = 0; i < StateList.Count; i++) { IReadOnlyPlaceholderNodeState ChildState = StateList[i]; // Clone all children recursively. Node ChildNodeClone = ChildState.CloneNode(); Debug.Assert(ChildNodeClone != null); NodeTreeHelperList.InsertIntoList(parentNode, PropertyName, i, ChildNodeClone); } }