/// <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>
/// Creates a clone of the block and assigns it in the provided parent.
/// </summary>
/// <param name="parentNode">The node that will contains a reference to the cloned block upon return.</param>
/// <param name="blockIndex">Position where to insert the block in <paramref name="parentNode"/>.</param>
public virtual void CloneBlock(Node parentNode, int blockIndex)
{
Pattern PatternClone = ClonePattern();
Debug.Assert(PatternClone != null);
Identifier SourceClone = CloneSource();
Debug.Assert(SourceClone != null);
IBlock NewBlock = NodeTreeHelperBlockList.CreateBlock(parentNode, ParentInner.PropertyName, ChildBlock.Replication, PatternClone, SourceClone);
NodeTreeHelperBlockList.InsertIntoBlockList(parentNode, ParentInner.PropertyName, blockIndex, NewBlock);
NodeTreeHelper.CopyDocumentation(ChildBlock, NewBlock, cloneCommentGuid: true);
// Clone children recursively.
CloneChildren(parentNode, NewBlock);
}