/// <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);
}
}