/// <summary>
/// Reduces all expanded nodes, and clear all unassigned optional nodes.
/// </summary>
/// <param name="isChanged">True upon return if the node was changed. False if the node was already canonic.</param>
public virtual void Canonicalize(out bool isChanged)
{
WriteableOperationList OperationList = CreateOperationList();
Canonicalize(RootState, OperationList);
if (OperationList.Count > 0)
{
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);
RefreshOperation.Redo();
WriteableOperationReadOnlyList OperationReadOnlyList = OperationList.ToReadOnly();
WriteableOperationGroup OperationGroup = CreateOperationGroup(OperationReadOnlyList, RefreshOperation);
SetLastOperation(OperationGroup);
CheckInvariant();
isChanged = true;
}
else
{
isChanged = false;
}
}
/// <summary>
/// Expands an existing node. In the node:
/// * All optional children are assigned if they aren't
/// * If the node is a feature call, with no arguments, an empty argument is inserted.
/// </summary>
/// <param name="expandedIndex">Index of the expanded node.</param>
/// <param name="isChanged">True upon return if the node was changed. False if the node was already expanded.</param>
public virtual void Expand(IWriteableNodeIndex expandedIndex, out bool isChanged)
{
Contract.RequireNotNull(expandedIndex, out IWriteableNodeIndex ExpandedIndex);
Debug.Assert(StateTable.ContainsKey(ExpandedIndex));
Debug.Assert(StateTable[ExpandedIndex] is IWriteablePlaceholderNodeState);
WriteableOperationList OperationList = CreateOperationList();
DebugObjects.AddReference(OperationList);
Expand(ExpandedIndex, OperationList);
if (OperationList.Count > 0)
{
WriteableOperationReadOnlyList OperationReadOnlyList = OperationList.ToReadOnly();
WriteableOperationGroup OperationGroup = CreateOperationGroup(OperationReadOnlyList, null);
SetLastOperation(OperationGroup);
CheckInvariant();
isChanged = true;
}
else
{
isChanged = false;
}
}
/// <summary>
/// Reduces an existing node. Opposite of Expand.
/// </summary>
/// <param name="reducedIndex">Index of the reduced node.</param>
/// <param name="isChanged">True upon return if the node was changed. False if the node was already reduced.</param>
public virtual void Reduce(IWriteableNodeIndex reducedIndex, out bool isChanged)
{
Contract.RequireNotNull(reducedIndex, out IWriteableNodeIndex ReducedIndex);
Debug.Assert(StateTable.ContainsKey(ReducedIndex));
Debug.Assert(StateTable[ReducedIndex] is IWriteablePlaceholderNodeState);
WriteableOperationList OperationList = CreateOperationList();
Reduce(ReducedIndex, OperationList, isNested: false);
if (OperationList.Count > 0)
{
WriteableOperationReadOnlyList OperationReadOnlyList = OperationList.ToReadOnly();
WriteableOperationGroup OperationGroup = CreateOperationGroup(OperationReadOnlyList, null);
SetLastOperation(OperationGroup);
CheckInvariant();
isChanged = true;
}
else
{
isChanged = false;
}
}
/// <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>
/// Initializes a new instance of the <see cref="WriteableOperationGroup"/> class.
/// </summary>
/// <param name="operationList">List of operations belonging to this group.</param>
/// <param name="refresh">Optional refresh operation to execute at the end of undo and redo.</param>
public WriteableOperationGroup(WriteableOperationReadOnlyList operationList, WriteableGenericRefreshOperation refresh)
{
Contract.RequireNotNull(operationList, out WriteableOperationReadOnlyList OperationList);
Debug.Assert(OperationList.Count > 0);
this.OperationList = OperationList;
Refresh = refresh;
}
/// <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();
}
}
private protected virtual void SetLastOperation(IWriteableOperation operation)
{
WriteableOperationList OperationList = CreateOperationList();
OperationList.Add(operation);
WriteableOperationReadOnlyList OperationReadOnlyList = OperationList.ToReadOnly();
WriteableOperationGroup OperationGroup = CreateOperationGroup(OperationReadOnlyList, null);
SetLastOperation(OperationGroup);
}
/// <summary>
/// Split an identifier with replace and insert indexes.
/// </summary>
/// <param name="inner">The inner where the node is replaced.</param>
/// <param name="replaceIndex">Index for the replace operation.</param>
/// <param name="insertIndex">Index for the insert operation.</param>
/// <param name="firstIndex">Index of the replacing node upon return.</param>
/// <param name="secondIndex">Index of the inserted node upon return.</param>
public virtual void SplitIdentifier(IWriteableListInner inner, IWriteableInsertionListNodeIndex replaceIndex, IWriteableInsertionListNodeIndex insertIndex, out IWriteableBrowsingListNodeIndex firstIndex, out IWriteableBrowsingListNodeIndex secondIndex)
{
Contract.RequireNotNull(inner, out IWriteableListInner Inner);
Contract.RequireNotNull(replaceIndex, out IWriteableInsertionListNodeIndex ReplaceIndex);
Contract.RequireNotNull(insertIndex, out IWriteableInsertionListNodeIndex InsertIndex);
IWriteableNodeState Owner = Inner.Owner;
IWriteableIndex ParentIndex = Owner.ParentIndex;
Debug.Assert(Contains(ParentIndex));
Debug.Assert(IndexToState(ParentIndex) == Owner);
WriteableInnerReadOnlyDictionary <string> InnerTable = Owner.InnerTable;
Debug.Assert(InnerTable.ContainsKey(Inner.PropertyName));
Debug.Assert(InnerTable[Inner.PropertyName] == Inner);
int Index = ReplaceIndex.Index;
Debug.Assert(InsertIndex.Index == Index + 1);
Node ReplacingNode = ReplaceIndex.Node;
Node InsertedNode = InsertIndex.Node;
Action <IWriteableOperation> HandlerRedoReplace = (IWriteableOperation operation) => RedoReplace(operation);
Action <IWriteableOperation> HandlerUndoReplace = (IWriteableOperation operation) => UndoReplace(operation);
IWriteableReplaceOperation ReplaceOperation = CreateReplaceOperation(Inner.Owner.Node, Inner.PropertyName, -1, Index, clearNode: false, ReplacingNode, HandlerRedoReplace, HandlerUndoReplace, isNested: true);
Action <IWriteableOperation> HandlerRedoInsert = (IWriteableOperation operation) => RedoInsertNewNode(operation);
Action <IWriteableOperation> HandlerUndoInsert = (IWriteableOperation operation) => UndoInsertNewNode(operation);
WriteableInsertNodeOperation InsertOperation = CreateInsertNodeOperation(Inner.Owner.Node, Inner.PropertyName, -1, Index + 1, InsertedNode, HandlerRedoInsert, HandlerUndoInsert, isNested: true);
ReplaceOperation.Redo();
InsertOperation.Redo();
Action <IWriteableOperation> HandlerRedoRefresh = (IWriteableOperation operation) => RedoRefresh(operation);
Action <IWriteableOperation> HandlerUndoRefresh = (IWriteableOperation operation) => throw new NotImplementedException(); // Undo is not possible.
WriteableGenericRefreshOperation RefreshOperation = CreateGenericRefreshOperation(RootState, HandlerRedoRefresh, HandlerUndoRefresh, isNested: false);
RefreshOperation.Redo();
WriteableOperationList OperationList = CreateOperationList();
OperationList.Add(ReplaceOperation);
OperationList.Add(InsertOperation);
WriteableOperationReadOnlyList OperationReadOnlyList = OperationList.ToReadOnly();
WriteableOperationGroup OperationGroup = CreateOperationGroup(OperationReadOnlyList, RefreshOperation);
SetLastOperation(OperationGroup);
CheckInvariant();
firstIndex = ReplaceOperation.NewBrowsingIndex as IWriteableBrowsingListNodeIndex;
Debug.Assert(firstIndex != null);
secondIndex = InsertOperation.BrowsingIndex as IWriteableBrowsingListNodeIndex;
Debug.Assert(secondIndex != null);
}
/// <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>
/// Initializes a new instance of the <see cref="WriteableOperationGroup"/> class.
/// </summary>
/// <param name="operationList">List of operations belonging to this group.</param>
/// <param name="refresh">Optional refresh operation to execute at the end of undo and redo.</param>
protected WriteableOperationGroup(WriteableOperationList operationList, WriteableGenericRefreshOperation refresh)
{
OperationList = new WriteableOperationReadOnlyList(operationList);
Refresh = refresh;
}
/// <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();
}
}
/// <summary>
/// Creates a IxxxOperationGroup object.
/// </summary>
private protected virtual WriteableOperationGroup CreateOperationGroup(WriteableOperationReadOnlyList operationList, WriteableGenericRefreshOperation refresh)
{
ControllerTools.AssertNoOverride(this, Type.FromTypeof <WriteableController>());
return(new WriteableOperationGroup(operationList, refresh));
}