private protected virtual void CloneChildren(INode parentNode, IBlock parentBlock)
{
for (int i = 0; i < StateList.Count; i++)
{
IReadOnlyPlaceholderNodeState ChildState = StateList[i];
INode ChildNodeClone = ChildState.CloneNode();
Debug.Assert(ChildNodeClone != null);
NodeTreeHelperBlockList.InsertIntoBlock(parentBlock, i, ChildNodeClone);
}
}
/// <summary>
/// Inserts a new block with one node in a block list.
/// </summary>
/// <param name="operation">Details of the operation performed.</param>
public virtual void InsertNewBlock(IWriteableInsertBlockOperation operation)
{
Debug.Assert(operation != null);
int BlockIndex = operation.BlockIndex;
Debug.Assert(BlockIndex >= 0 && BlockIndex <= BlockStateList.Count);
IBlock NewBlock = operation.Block;
Debug.Assert(NewBlock != null);
INode NewNode = operation.Node;
Debug.Assert(NewBlock != null);
INode ParentNode = Owner.Node;
NodeTreeHelperBlockList.InsertIntoBlockList(ParentNode, PropertyName, BlockIndex, NewBlock);
NodeTreeHelperBlockList.InsertIntoBlock(NewBlock, 0, NewNode);
IWriteableBrowsingNewBlockNodeIndex BrowsingNewBlockIndex = CreateNewBlockNodeIndex(NewNode, BlockIndex);
IWriteableBrowsingExistingBlockNodeIndex BrowsingExistingBlockIndex = (IWriteableBrowsingExistingBlockNodeIndex)BrowsingNewBlockIndex.ToExistingBlockIndex();
IWriteableBlockState BlockState = (IWriteableBlockState)CreateBlockState(BrowsingNewBlockIndex, NewBlock);
InsertInBlockStateList(BlockIndex, BlockState);
IWriteablePlaceholderNodeState ChildState = (IWriteablePlaceholderNodeState)CreateNodeState(BrowsingExistingBlockIndex);
BlockState.Insert(BrowsingExistingBlockIndex, 0, ChildState);
operation.Update(BrowsingExistingBlockIndex, BlockState, ChildState);
while (++BlockIndex < BlockStateList.Count)
{
IWriteableBlockState NextBlockState = BlockStateList[BlockIndex];
foreach (IWriteablePlaceholderNodeState State in NextBlockState.StateList)
{
IWriteableBrowsingExistingBlockNodeIndex NodeIndex = State.ParentIndex as IWriteableBrowsingExistingBlockNodeIndex;
Debug.Assert(NodeIndex != null);
Debug.Assert(NodeIndex.BlockIndex == BlockIndex - 1);
NodeIndex.MoveBlockUp();
}
}
}
/// <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();
}
}
