/// <summary></summary>
public virtual void RemoveNodeRange(IWriteableListInner inner, int firstNodeIndex, int lastNodeIndex)
{
Contract.RequireNotNull(inner, out IWriteableListInner Inner);
Debug.Assert(firstNodeIndex >= 0 && firstNodeIndex < Inner.StateList.Count);
Debug.Assert(lastNodeIndex >= 0 && lastNodeIndex <= Inner.StateList.Count);
Debug.Assert(firstNodeIndex <= lastNodeIndex);
System.Action <IWriteableOperation> HandlerRedoNode = (IWriteableOperation operation) => RedoRemoveNode(operation);
System.Action <IWriteableOperation> HandlerUndoNode = (IWriteableOperation operation) => UndoRemoveNode(operation);
WriteableOperationList OperationList = CreateOperationList();
for (int i = firstNodeIndex; i < lastNodeIndex; i++)
{
WriteableRemoveNodeOperation OperationNode = CreateRemoveNodeOperation(Inner.Owner.Node, Inner.PropertyName, -1, firstNodeIndex, HandlerRedoNode, HandlerUndoNode, isNested: true);
OperationList.Add(OperationNode);
}
if (OperationList.Count > 0)
{
WriteableOperationReadOnlyList OperationReadOnlyList = OperationList.ToReadOnly();
System.Action <IWriteableOperation> HandlerRedo = (IWriteableOperation operation) => RedoRefresh(operation);
System.Action <IWriteableOperation> HandlerUndo = (IWriteableOperation operation) => throw new NotImplementedException(); // Undo is not possible.
WriteableGenericRefreshOperation RefreshOperation = CreateGenericRefreshOperation(RootState, HandlerRedo, HandlerUndo, isNested: false);
WriteableOperationGroup OperationGroup = CreateOperationGroup(OperationReadOnlyList, RefreshOperation);
OperationGroup.Redo();
SetLastOperation(OperationGroup);
CheckInvariant();
}
}
/// <summary></summary>
public virtual void InsertNodeRange(IWriteableBlockListInner inner, int blockIndex, int insertedIndex, IList <IWriteableInsertionCollectionNodeIndex> indexList)
{
Contract.RequireNotNull(inner, out IWriteableBlockListInner Inner);
Debug.Assert(blockIndex >= 0 && blockIndex < Inner.BlockStateList.Count);
IWriteableBlockState BlockState = (IWriteableBlockState)Inner.BlockStateList[blockIndex];
Debug.Assert(insertedIndex >= 0 && insertedIndex <= BlockState.StateList.Count);
int BlockNodeIndex = insertedIndex;
foreach (IWriteableInsertionCollectionNodeIndex NodeIndex in indexList)
{
bool IsHandled = false;
if (NodeIndex is IWriteableInsertionExistingBlockNodeIndex AsExistingBlockNodeIndex)
{
Debug.Assert(AsExistingBlockNodeIndex.BlockIndex == blockIndex);
Debug.Assert(AsExistingBlockNodeIndex.Index == BlockNodeIndex);
BlockNodeIndex++;
IsHandled = true;
}
Debug.Assert(IsHandled);
}
int FinalNodeIndex = BlockNodeIndex;
Action <IWriteableOperation> HandlerRedoInsertNode = (IWriteableOperation operation) => RedoInsertNewNode(operation);
Action <IWriteableOperation> HandlerUndoInsertNode = (IWriteableOperation operation) => UndoInsertNewNode(operation);
WriteableOperationList OperationList = CreateOperationList();
foreach (IWriteableInsertionCollectionNodeIndex NodeIndex in indexList)
{
if (NodeIndex is IWriteableInsertionExistingBlockNodeIndex AsExistingBlockNodeIndex)
{
IndexToPositionAndNode(AsExistingBlockNodeIndex, out blockIndex, out int Index, out _, out Node Node);
WriteableInsertNodeOperation OperationInsertNode = CreateInsertNodeOperation(Inner.Owner.Node, Inner.PropertyName, blockIndex, Index, Node, HandlerRedoInsertNode, HandlerUndoInsertNode, isNested: true);
OperationList.Add(OperationInsertNode);
}
}
if (OperationList.Count > 0)
{
WriteableOperationReadOnlyList OperationReadOnlyList = OperationList.ToReadOnly();
Action <IWriteableOperation> HandlerRedo = (IWriteableOperation operation) => RedoRefresh(operation);
Action <IWriteableOperation> HandlerUndo = (IWriteableOperation operation) => throw new NotImplementedException(); // Undo is not possible.
WriteableGenericRefreshOperation RefreshOperation = CreateGenericRefreshOperation(RootState, HandlerRedo, HandlerUndo, isNested: false);
WriteableOperationGroup OperationGroup = CreateOperationGroup(OperationReadOnlyList, RefreshOperation);
OperationGroup.Redo();
SetLastOperation(OperationGroup);
CheckInvariant();
}
}
/// <summary>
/// Redo the last operation undone.
/// </summary>
public virtual void Redo()
{
Debug.Assert(CanRedo);
WriteableOperationGroup OperationGroup = OperationStack[RedoIndex];
OperationGroup.Redo();
RedoIndex++;
CheckInvariant();
}
/// <summary>
/// Removes a range of blocks from a block list.
/// </summary>
/// <param name="inner">The inner for the block list from which blocks are removed.</param>
/// <param name="firstBlockIndex">Index of the first block to remove.</param>
/// <param name="lastBlockIndex">Index following the last block to remove.</param>
public virtual void RemoveBlockRange(IWriteableBlockListInner inner, int firstBlockIndex, int lastBlockIndex)
{
Contract.RequireNotNull(inner, out IWriteableBlockListInner Inner);
Debug.Assert(firstBlockIndex >= 0 && firstBlockIndex < Inner.BlockStateList.Count);
Debug.Assert(lastBlockIndex >= 0 && lastBlockIndex <= Inner.BlockStateList.Count);
Debug.Assert(firstBlockIndex <= lastBlockIndex);
System.Action <IWriteableOperation> HandlerRedoNode = (IWriteableOperation operation) => RedoRemoveNode(operation);
System.Action <IWriteableOperation> HandlerUndoNode = (IWriteableOperation operation) => UndoRemoveNode(operation);
System.Action <IWriteableOperation> HandlerRedoBlock = (IWriteableOperation operation) => RedoRemoveBlock(operation);
System.Action <IWriteableOperation> HandlerUndoBlock = (IWriteableOperation operation) => UndoRemoveBlock(operation);
WriteableOperationList OperationList = CreateOperationList();
for (int i = firstBlockIndex; i < lastBlockIndex; i++)
{
IWriteableBlockState BlockState = (IWriteableBlockState)Inner.BlockStateList[i];
Debug.Assert(BlockState.StateList.Count >= 1);
// Remove at firstBlockIndex since subsequent blocks are moved as the block at firstBlockIndex is deleted.
// Same for nodes inside blokcks, delete them at 0.
for (int j = 1; j < BlockState.StateList.Count; j++)
{
WriteableRemoveNodeOperation OperationNode = CreateRemoveNodeOperation(Inner.Owner.Node, Inner.PropertyName, firstBlockIndex, 0, HandlerRedoNode, HandlerUndoNode, isNested: true);
OperationList.Add(OperationNode);
}
IWriteableRemoveBlockOperation OperationBlock = CreateRemoveBlockOperation(Inner.Owner.Node, Inner.PropertyName, firstBlockIndex, HandlerRedoBlock, HandlerUndoBlock, isNested: true);
OperationList.Add(OperationBlock);
}
if (OperationList.Count > 0)
{
WriteableOperationReadOnlyList OperationReadOnlyList = OperationList.ToReadOnly();
System.Action <IWriteableOperation> HandlerRedo = (IWriteableOperation operation) => RedoRefresh(operation);
System.Action <IWriteableOperation> HandlerUndo = (IWriteableOperation operation) => throw new NotImplementedException(); // Undo is not possible.
WriteableGenericRefreshOperation RefreshOperation = CreateGenericRefreshOperation(RootState, HandlerRedo, HandlerUndo, isNested: false);
WriteableOperationGroup OperationGroup = CreateOperationGroup(OperationReadOnlyList, RefreshOperation);
OperationGroup.Redo();
SetLastOperation(OperationGroup);
CheckInvariant();
}
}
/// <summary></summary>
public virtual void ReplaceNodeRange(IWriteableListInner inner, int firstNodeIndex, int lastNodeIndex, IList <IWriteableInsertionCollectionNodeIndex> indexList)
{
Contract.RequireNotNull(inner, out IWriteableListInner Inner);
Debug.Assert(firstNodeIndex >= 0 && firstNodeIndex < Inner.StateList.Count);
Debug.Assert(lastNodeIndex >= 0 && lastNodeIndex <= Inner.StateList.Count);
Debug.Assert(firstNodeIndex <= lastNodeIndex);
int BlockNodeIndex = firstNodeIndex;
foreach (IWriteableInsertionCollectionNodeIndex NodeIndex in indexList)
{
bool IsHandled = false;
if (NodeIndex is IWriteableInsertionListNodeIndex AsListNodeIndex)
{
Debug.Assert(AsListNodeIndex.Index == BlockNodeIndex);
BlockNodeIndex++;
IsHandled = true;
}
Debug.Assert(IsHandled);
}
int FinalNodeIndex = BlockNodeIndex;
Action <IWriteableOperation> HandlerRedoInsertNode = (IWriteableOperation operation) => RedoInsertNewNode(operation);
Action <IWriteableOperation> HandlerUndoInsertNode = (IWriteableOperation operation) => UndoInsertNewNode(operation);
Action <IWriteableOperation> HandlerRedoRemoveNode = (IWriteableOperation operation) => RedoRemoveNode(operation);
Action <IWriteableOperation> HandlerUndoRemoveNode = (IWriteableOperation operation) => UndoRemoveNode(operation);
WriteableOperationList OperationList = CreateOperationList();
// Insert first to prevent empty block lists.
foreach (IWriteableInsertionCollectionNodeIndex NodeIndex in indexList)
{
if (NodeIndex is IWriteableInsertionListNodeIndex AsListNodeIndex)
{
IndexToPositionAndNode(AsListNodeIndex, out int BlockIndex, out int Index, out _, out Node Node);
WriteableInsertNodeOperation OperationInsertNode = CreateInsertNodeOperation(Inner.Owner.Node, Inner.PropertyName, BlockIndex, Index, Node, HandlerRedoInsertNode, HandlerUndoInsertNode, isNested: true);
OperationList.Add(OperationInsertNode);
}
}
for (int i = FinalNodeIndex; i < FinalNodeIndex + lastNodeIndex - firstNodeIndex; i++)
{
WriteableRemoveNodeOperation OperationNode = CreateRemoveNodeOperation(Inner.Owner.Node, Inner.PropertyName, -1, FinalNodeIndex, HandlerRedoRemoveNode, HandlerUndoRemoveNode, isNested: true);
OperationList.Add(OperationNode);
}
if (OperationList.Count > 0)
{
WriteableOperationReadOnlyList OperationReadOnlyList = OperationList.ToReadOnly();
Action <IWriteableOperation> HandlerRedo = (IWriteableOperation operation) => RedoRefresh(operation);
Action <IWriteableOperation> HandlerUndo = (IWriteableOperation operation) => throw new NotImplementedException(); // Undo is not possible.
WriteableGenericRefreshOperation RefreshOperation = CreateGenericRefreshOperation(RootState, HandlerRedo, HandlerUndo, isNested: false);
WriteableOperationGroup OperationGroup = CreateOperationGroup(OperationReadOnlyList, RefreshOperation);
OperationGroup.Redo();
SetLastOperation(OperationGroup);
CheckInvariant();
}
}
/// <summary>
/// Removes a range of blocks from a block list and replace them with other blocks.
/// </summary>
/// <param name="inner">The inner for the block list from which blocks are replaced.</param>
/// <param name="firstBlockIndex">Index of the first block to remove.</param>
/// <param name="lastBlockIndex">Index following the last block to remove.</param>
/// <param name="indexList">List of nodes in blocks to insert.</param>
public virtual void ReplaceBlockRange(IWriteableBlockListInner inner, int firstBlockIndex, int lastBlockIndex, IList <IWriteableInsertionBlockNodeIndex> indexList)
{
Contract.RequireNotNull(inner, out IWriteableBlockListInner Inner);
Debug.Assert(firstBlockIndex >= 0 && firstBlockIndex < Inner.BlockStateList.Count);
Debug.Assert(lastBlockIndex >= 0 && lastBlockIndex <= Inner.BlockStateList.Count);
Debug.Assert(firstBlockIndex <= lastBlockIndex);
Contract.RequireNotNull(indexList, out IList <IWriteableInsertionBlockNodeIndex> IndexList);
int BlockIndex = firstBlockIndex - 1;
int BlockNodeIndex = 0;
foreach (IWriteableInsertionBlockNodeIndex NodeIndex in IndexList)
{
bool IsHandled = false;
if (NodeIndex is IWriteableInsertionNewBlockNodeIndex AsNewBlockNodeIndex)
{
BlockIndex++;
BlockNodeIndex = 0;
Debug.Assert(AsNewBlockNodeIndex.BlockIndex == BlockIndex);
IsHandled = true;
}
else if (NodeIndex is IWriteableInsertionExistingBlockNodeIndex AsExistingBlockNodeIndex)
{
BlockNodeIndex++;
Debug.Assert(AsExistingBlockNodeIndex.BlockIndex == BlockIndex);
Debug.Assert(AsExistingBlockNodeIndex.Index == BlockNodeIndex);
IsHandled = true;
}
Debug.Assert(IsHandled);
}
int FinalBlockIndex = BlockIndex + 1;
Action <IWriteableOperation> HandlerRedoInsertNode = (IWriteableOperation operation) => RedoInsertNewNode(operation);
Action <IWriteableOperation> HandlerUndoInsertNode = (IWriteableOperation operation) => UndoInsertNewNode(operation);
Action <IWriteableOperation> HandlerRedoInsertBlock = (IWriteableOperation operation) => RedoInsertNewBlock(operation);
Action <IWriteableOperation> HandlerUndoInsertBlock = (IWriteableOperation operation) => UndoInsertNewBlock(operation);
Action <IWriteableOperation> HandlerRedoRemoveNode = (IWriteableOperation operation) => RedoRemoveNode(operation);
Action <IWriteableOperation> HandlerUndoRemoveNode = (IWriteableOperation operation) => UndoRemoveNode(operation);
Action <IWriteableOperation> HandlerRedoRemoveBlock = (IWriteableOperation operation) => RedoRemoveBlock(operation);
Action <IWriteableOperation> HandlerUndoRemoveBlock = (IWriteableOperation operation) => UndoRemoveBlock(operation);
WriteableOperationList OperationList = CreateOperationList();
// Insert first to prevent empty block lists.
foreach (IWriteableInsertionBlockNodeIndex NodeIndex in IndexList)
{
if (NodeIndex is IWriteableInsertionNewBlockNodeIndex AsNewBlockNodeIndex)
{
IBlock NewBlock = NodeTreeHelperBlockList.CreateBlock(Inner.Owner.Node, Inner.PropertyName, ReplicationStatus.Normal, AsNewBlockNodeIndex.PatternNode, AsNewBlockNodeIndex.SourceNode);
IWriteableInsertBlockOperation OperationInsertBlock = CreateInsertBlockOperation(Inner.Owner.Node, Inner.PropertyName, AsNewBlockNodeIndex.BlockIndex, NewBlock, AsNewBlockNodeIndex.Node, HandlerRedoInsertBlock, HandlerUndoInsertBlock, isNested: true);
OperationList.Add(OperationInsertBlock);
}
else if (NodeIndex is IWriteableInsertionExistingBlockNodeIndex AsExistingBlockNodeIndex)
{
IndexToPositionAndNode(AsExistingBlockNodeIndex, out BlockIndex, out int Index, out _, out Node Node);
WriteableInsertNodeOperation OperationInsertNode = CreateInsertNodeOperation(Inner.Owner.Node, Inner.PropertyName, BlockIndex, Index, Node, HandlerRedoInsertNode, HandlerUndoInsertNode, isNested: true);
OperationList.Add(OperationInsertNode);
}
}
Debug.Assert(BlockIndex + 1 == FinalBlockIndex);
for (int i = FinalBlockIndex; i < FinalBlockIndex + lastBlockIndex - firstBlockIndex; i++)
{
IWriteableBlockState BlockState = (IWriteableBlockState)Inner.BlockStateList[i + firstBlockIndex - FinalBlockIndex];
Debug.Assert(BlockState.StateList.Count >= 1);
// Remove at FinalBlockIndex since subsequent blocks are moved as the block at FinalBlockIndex is deleted.
// Same for nodes inside blokcks, delete them at 0.
for (int j = 1; j < BlockState.StateList.Count; j++)
{
WriteableRemoveNodeOperation OperationNode = CreateRemoveNodeOperation(Inner.Owner.Node, Inner.PropertyName, FinalBlockIndex, 0, HandlerRedoRemoveNode, HandlerUndoRemoveNode, isNested: true);
OperationList.Add(OperationNode);
}
IWriteableRemoveBlockOperation OperationBlock = CreateRemoveBlockOperation(Inner.Owner.Node, Inner.PropertyName, FinalBlockIndex, HandlerRedoRemoveBlock, HandlerUndoRemoveBlock, isNested: true);
OperationList.Add(OperationBlock);
}
if (OperationList.Count > 0)
{
WriteableOperationReadOnlyList OperationReadOnlyList = OperationList.ToReadOnly();
Action <IWriteableOperation> HandlerRedo = (IWriteableOperation operation) => RedoRefresh(operation);
Action <IWriteableOperation> HandlerUndo = (IWriteableOperation operation) => throw new NotImplementedException(); // Undo is not possible.
WriteableGenericRefreshOperation RefreshOperation = CreateGenericRefreshOperation(RootState, HandlerRedo, HandlerUndo, isNested: false);
WriteableOperationGroup OperationGroup = CreateOperationGroup(OperationReadOnlyList, RefreshOperation);
OperationGroup.Redo();
SetLastOperation(OperationGroup);
CheckInvariant();
}
}
/// <summary>
/// Inserts a range of blocks in a block list.
/// </summary>
/// <param name="inner">The inner for the block list in which blocks are inserted.</param>
/// <param name="insertedIndex">Index where to insert the first block.</param>
/// <param name="indexList">List of nodes in blocks to insert.</param>
public virtual void InsertBlockRange(IWriteableBlockListInner inner, int insertedIndex, IList <IWriteableInsertionBlockNodeIndex> indexList)
{
Contract.RequireNotNull(inner, out IWriteableBlockListInner Inner);
Debug.Assert(insertedIndex >= 0 && insertedIndex <= Inner.BlockStateList.Count);
Contract.RequireNotNull(indexList, out IList <IWriteableInsertionBlockNodeIndex> IndexList);
int BlockIndex = insertedIndex - 1;
int BlockNodeIndex = 0;
foreach (IWriteableInsertionBlockNodeIndex NodeIndex in IndexList)
{
bool IsHandled = false;
if (NodeIndex is IWriteableInsertionNewBlockNodeIndex AsNewBlockNodeIndex)
{
BlockIndex++;
BlockNodeIndex = 0;
Debug.Assert(AsNewBlockNodeIndex.BlockIndex == BlockIndex);
IsHandled = true;
}
else if (NodeIndex is IWriteableInsertionExistingBlockNodeIndex AsExistingBlockNodeIndex)
{
BlockNodeIndex++;
Debug.Assert(AsExistingBlockNodeIndex.BlockIndex == BlockIndex);
Debug.Assert(AsExistingBlockNodeIndex.Index == BlockNodeIndex);
IsHandled = true;
}
Debug.Assert(IsHandled);
}
int FinalBlockIndex = BlockIndex + 1;
Action <IWriteableOperation> HandlerRedoInsertNode = (IWriteableOperation operation) => RedoInsertNewNode(operation);
Action <IWriteableOperation> HandlerUndoInsertNode = (IWriteableOperation operation) => UndoInsertNewNode(operation);
Action <IWriteableOperation> HandlerRedoInsertBlock = (IWriteableOperation operation) => RedoInsertNewBlock(operation);
Action <IWriteableOperation> HandlerUndoInsertBlock = (IWriteableOperation operation) => UndoInsertNewBlock(operation);
WriteableOperationList OperationList = CreateOperationList();
foreach (IWriteableInsertionBlockNodeIndex NodeIndex in IndexList)
{
if (NodeIndex is IWriteableInsertionNewBlockNodeIndex AsNewBlockNodeIndex)
{
IBlock NewBlock = NodeTreeHelperBlockList.CreateBlock(Inner.Owner.Node, Inner.PropertyName, ReplicationStatus.Normal, AsNewBlockNodeIndex.PatternNode, AsNewBlockNodeIndex.SourceNode);
IWriteableInsertBlockOperation OperationInsertBlock = CreateInsertBlockOperation(Inner.Owner.Node, Inner.PropertyName, AsNewBlockNodeIndex.BlockIndex, NewBlock, AsNewBlockNodeIndex.Node, HandlerRedoInsertBlock, HandlerUndoInsertBlock, isNested: true);
OperationList.Add(OperationInsertBlock);
}
else if (NodeIndex is IWriteableInsertionExistingBlockNodeIndex AsExistingBlockNodeIndex)
{
IndexToPositionAndNode(AsExistingBlockNodeIndex, out BlockIndex, out int Index, out _, out Node Node);
WriteableInsertNodeOperation OperationInsertNode = CreateInsertNodeOperation(Inner.Owner.Node, Inner.PropertyName, BlockIndex, Index, Node, HandlerRedoInsertNode, HandlerUndoInsertNode, isNested: true);
OperationList.Add(OperationInsertNode);
}
}
Debug.Assert(BlockIndex + 1 == FinalBlockIndex);
if (OperationList.Count > 0)
{
WriteableOperationReadOnlyList OperationReadOnlyList = OperationList.ToReadOnly();
Action <IWriteableOperation> HandlerRedo = (IWriteableOperation operation) => RedoRefresh(operation);
Action <IWriteableOperation> HandlerUndo = (IWriteableOperation operation) => throw new NotImplementedException(); // Undo is not possible.
WriteableGenericRefreshOperation RefreshOperation = CreateGenericRefreshOperation(RootState, HandlerRedo, HandlerUndo, isNested: false);
WriteableOperationGroup OperationGroup = CreateOperationGroup(OperationReadOnlyList, RefreshOperation);
OperationGroup.Redo();
SetLastOperation(OperationGroup);
CheckInvariant();
}
}
