private protected virtual void UndoInsertNewBlock(IWriteableOperation operation) { IWriteableInsertBlockOperation InsertBlockOperation = (IWriteableInsertBlockOperation)operation; IWriteableRemoveBlockOperation RemoveBlockOperation = InsertBlockOperation.ToRemoveBlockOperation(); ExecuteRemoveBlock(RemoveBlockOperation); }
private protected virtual void InsertNewBlock(IWriteableBlockListInner <IWriteableBrowsingBlockNodeIndex> blockListInner, IWriteableInsertionNewBlockNodeIndex newBlockIndex, out IWriteableBrowsingCollectionNodeIndex nodeIndex) { IBlock NewBlock = NodeTreeHelperBlockList.CreateBlock(blockListInner.Owner.Node, blockListInner.PropertyName, ReplicationStatus.Normal, newBlockIndex.PatternNode, newBlockIndex.SourceNode); Action <IWriteableOperation> HandlerRedo = (IWriteableOperation operation) => RedoInsertNewBlock(operation); Action <IWriteableOperation> HandlerUndo = (IWriteableOperation operation) => UndoInsertNewBlock(operation); IWriteableInsertBlockOperation Operation = CreateInsertBlockOperation(blockListInner.Owner.Node, blockListInner.PropertyName, newBlockIndex.BlockIndex, NewBlock, newBlockIndex.Node, HandlerRedo, HandlerUndo, isNested: false); Operation.Redo(); SetLastOperation(Operation); CheckInvariant(); nodeIndex = Operation.BrowsingIndex; }
/// <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> /// Handler called every time a block state is inserted in the controller. /// </summary> /// <param name="operation">Details of the operation performed.</param> private protected virtual void OnBlockStateInserted(IWriteableInsertBlockOperation operation) { IWriteableBlockState BlockState = operation.BlockState; Debug.Assert(BlockState != null); Debug.Assert(BlockStateViewTable.ContainsKey(BlockState)); Debug.Assert(StateViewTable.ContainsKey(BlockState.PatternState)); Debug.Assert(StateViewTable.ContainsKey(BlockState.SourceState)); Debug.Assert(BlockState.StateList.Count == 1); IWriteablePlaceholderNodeState ChildState = operation.ChildState; Debug.Assert(ChildState == BlockState.StateList[0]); Debug.Assert(ChildState.ParentIndex == operation.BrowsingIndex); Debug.Assert(StateViewTable.ContainsKey(ChildState)); }
/// <summary> /// Handler called every time a block state is inserted in the controller. /// </summary> /// <param name="operation">Details of the operation performed.</param> private protected override void OnBlockStateInserted(IWriteableInsertBlockOperation operation) { base.OnBlockStateInserted(operation); IFocusBlockState BlockState = ((IFocusInsertBlockOperation)operation).BlockState; Debug.Assert(BlockState != null); Debug.Assert(BlockStateViewTable.ContainsKey(BlockState)); Debug.Assert(StateViewTable.ContainsKey(BlockState.PatternState)); Debug.Assert(StateViewTable.ContainsKey(BlockState.SourceState)); Debug.Assert(BlockState.StateList.Count == 1); IFocusPlaceholderNodeState ChildState = ((IFocusInsertBlockOperation)operation).ChildState; Debug.Assert(ChildState == BlockState.StateList[0]); Debug.Assert(ChildState.ParentIndex == ((IFocusInsertBlockOperation)operation).BrowsingIndex); Debug.Assert(StateViewTable.ContainsKey(ChildState)); }
private protected virtual void ExecuteInsertNewBlock(IWriteableInsertBlockOperation operation) { Node ParentNode = operation.ParentNode; string PropertyName = operation.PropertyName; IWriteableBlockListInner <IWriteableBrowsingBlockNodeIndex> Inner = GetInner(ParentNode, PropertyName) as IWriteableBlockListInner <IWriteableBrowsingBlockNodeIndex>; Inner.InsertNewBlock(operation); IWriteableBrowsingExistingBlockNodeIndex BrowsingIndex = operation.BrowsingIndex; IWriteableBlockState BlockState = operation.BlockState; IWriteablePlaceholderNodeState ChildState = operation.ChildState; Debug.Assert(BlockState.StateList.Count == 1); Debug.Assert(BlockState.StateList[0] == ChildState); ((IWriteableBlockState <IWriteableInner <IWriteableBrowsingChildIndex> >)BlockState).InitBlockState(); Stats.BlockCount++; IWriteableBrowsingPatternIndex PatternIndex = BlockState.PatternIndex; IWriteablePatternState PatternState = BlockState.PatternState; AddState(PatternIndex, PatternState); Stats.PlaceholderNodeCount++; IWriteableBrowsingSourceIndex SourceIndex = BlockState.SourceIndex; IWriteableSourceState SourceState = BlockState.SourceState; AddState(SourceIndex, SourceState); Stats.PlaceholderNodeCount++; AddState(BrowsingIndex, ChildState); Stats.PlaceholderNodeCount++; BuildStateTable(Inner, null, BrowsingIndex, ChildState); Debug.Assert(Contains(BrowsingIndex)); NotifyBlockStateInserted(operation); }
/// <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(); } }
private protected virtual void RedoInsertNewBlock(IWriteableOperation operation) { IWriteableInsertBlockOperation InsertBlockOperation = (IWriteableInsertBlockOperation)operation; ExecuteInsertNewBlock(InsertBlockOperation); }
/// <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(); } }
private protected virtual void NotifyBlockStateInserted(IWriteableInsertBlockOperation operation) { BlockStateInsertedHandler?.Invoke(operation); }