/// <summary>
/// Inserts a new node in a list.
/// </summary>
/// <param name="operation">Details of the operation performed.</param>
public virtual void Insert(IWriteableInsertNodeOperation operation)
{
Debug.Assert(operation != null);
int InsertionIndex = operation.Index;
Debug.Assert(InsertionIndex >= 0 && InsertionIndex <= StateList.Count);
INode ParentNode = Owner.Node;
INode 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 = StateList[InsertionIndex];
IWriteableBrowsingListNodeIndex NodeIndex = State.ParentIndex as IWriteableBrowsingListNodeIndex;
Debug.Assert(NodeIndex != null);
Debug.Assert(NodeIndex.Index == InsertionIndex - 1);
NodeIndex.MoveUp();
}
}
/// <summary>
/// Handler called every time a state is inserted in the controller.
/// </summary>
/// <param name="operation">Details of the operation performed.</param>
private protected virtual void OnStateInserted(IWriteableInsertNodeOperation operation)
{
Debug.Assert(operation != null);
IWriteableNodeState ChildState = operation.ChildState;
Debug.Assert(ChildState != null);
Debug.Assert(StateViewTable.ContainsKey(ChildState));
IWriteableBrowsingCollectionNodeIndex BrowsingIndex = operation.BrowsingIndex;
Debug.Assert(ChildState.ParentIndex == BrowsingIndex);
}
/// <summary>
/// Inserts a new node in a block list.
/// </summary>
/// <param name="operation">Details of the operation performed.</param>
public virtual void Insert(IWriteableInsertNodeOperation operation)
{
Debug.Assert(operation != null);
int BlockIndex = operation.BlockIndex;
Debug.Assert(BlockIndex >= 0 && BlockIndex < BlockStateList.Count);
IWriteableBlockState BlockState = BlockStateList[BlockIndex];
int Index = operation.Index;
Debug.Assert(Index >= 0 && Index <= BlockState.StateList.Count);
INode ParentNode = Owner.Node;
IBlock ChildBlock = BlockState.ChildBlock;
INode Node = operation.Node;
NodeTreeHelperBlockList.InsertIntoBlock(ChildBlock, Index, Node);
IWriteableBrowsingBlockNodeIndex BrowsingBlockIndex = CreateBrowsingNodeIndex(Node, BlockIndex, Index);
IWriteablePlaceholderNodeState ChildState = (IWriteablePlaceholderNodeState)CreateNodeState(BrowsingBlockIndex);
BlockState.Insert(BrowsingBlockIndex, Index, ChildState);
operation.Update(BrowsingBlockIndex, ChildState);
while (++Index < BlockState.StateList.Count)
{
IWriteablePlaceholderNodeState State = BlockState.StateList[Index];
IWriteableBrowsingExistingBlockNodeIndex NodeIndex = State.ParentIndex as IWriteableBrowsingExistingBlockNodeIndex;
Debug.Assert(NodeIndex != null);
Debug.Assert(NodeIndex.BlockIndex == BrowsingBlockIndex.BlockIndex);
Debug.Assert(NodeIndex.Index == Index - 1);
NodeIndex.MoveUp();
}
}
/// <summary> /// Inserts a new node in a list or block list. /// </summary> /// <param name="operation">Details of the operation performed.</param> public abstract void Insert(IWriteableInsertNodeOperation operation);
