/// <summary>
/// Initializes a new instance of the <see cref="ReadOnlyBlockListInner{IIndex}"/> class.
/// </summary>
/// <param name="owner">Parent containing the inner.</param>
/// <param name="propertyName">Property name of the inner in <paramref name="owner"/>.</param>
public ReadOnlyBlockListInner(IReadOnlyNodeState owner, string propertyName)
: base(owner, propertyName)
{
BlockType = NodeTreeHelperBlockList.BlockListBlockType(Owner.Node, PropertyName);
_BlockStateList = CreateBlockStateList();
BlockStateList = _BlockStateList.ToReadOnly();
}
/// <summary>
/// Gets the frame that creates cells associated to states in the inner.
/// </summary>
/// <param name="inner">The inner.</param>
public virtual IFrameFrame InnerToFrame(IFrameInner <IFrameBrowsingChildIndex> inner)
{
// Call overloads of this method if they exist.
ControllerTools.AssertNoOverride(this, Type.FromTypeof <FrameTemplateSet>());
IFrameNodeState Owner = inner.Owner;
Type OwnerType = Type.FromGetType(Owner.Node);
//Type InterfaceType = NodeTreeHelper.NodeTypeToInterfaceType(OwnerType);
//IFrameNodeTemplate Template = NodeTypeToTemplate(InterfaceType);
IFrameNodeTemplate Template = NodeTypeToTemplate(OwnerType);
IFrameFrame Frame = Template.PropertyToFrame(inner.PropertyName);
if (Frame is IFrameBlockListFrame AsBlockListFrame)
{
IFrameBlockListInner <IFrameBrowsingBlockNodeIndex> BlockListInner = inner as IFrameBlockListInner <IFrameBrowsingBlockNodeIndex>;
Debug.Assert(BlockListInner != null);
Type BlockType = NodeTreeHelperBlockList.BlockListBlockType(Owner.Node, BlockListInner.PropertyName);
IFrameBlockTemplate BlockTemplate = BlockTypeToTemplate(BlockType);
Frame = BlockTemplate.GetPlaceholderFrame();
}
return(Frame);
}
private protected virtual bool IsNodeTreeValid(Node node)
{
Type ChildNodeType;
IList <string> PropertyNames = NodeTreeHelper.EnumChildNodeProperties(node);
bool IsValid = true;
foreach (string PropertyName in PropertyNames)
{
if (NodeTreeHelperChild.IsChildNodeProperty(node, PropertyName, out ChildNodeType))
{
IsValid &= InvariantFailed(IsNodeTreeChildNodeValid(node, PropertyName));
}
else if (NodeTreeHelperOptional.IsOptionalChildNodeProperty(node, PropertyName, out ChildNodeType))
{
IsValid &= InvariantFailed(IsNodeTreeOptionalNodeValid(node, PropertyName));
}
else if (NodeTreeHelperList.IsNodeListProperty(node, PropertyName, out ChildNodeType))
{
IsValid &= InvariantFailed(IsNodeTreeListValid(node, PropertyName));
}
else if (NodeTreeHelperBlockList.IsBlockListProperty(node, PropertyName, /*out Type ChildInterfaceType,*/ out ChildNodeType))
{
IsValid &= InvariantFailed(IsNodeTreeBlockListValid(node, PropertyName));
}
}
return(IsValid);
}
/// <summary>
/// Replaces a node.
/// </summary>
/// <param name="operation">Details of the operation performed.</param>
public virtual void Replace(IWriteableReplaceOperation operation)
{
int BlockIndex = operation.BlockIndex;
Debug.Assert(BlockIndex >= 0 && BlockIndex < BlockStateList.Count);
IWriteableBlockState BlockState = (IWriteableBlockState)BlockStateList[BlockIndex];
int Index = operation.Index;
Debug.Assert(Index >= 0 && Index < BlockState.StateList.Count);
IBlock ChildBlock = BlockState.ChildBlock;
Node ParentNode = Owner.Node;
IWriteableNodeState OldChildState = (IWriteableNodeState)BlockState.StateList[Index];
Node OldNode = OldChildState.Node;
IWriteableBrowsingBlockNodeIndex OldBrowsingIndex = (IWriteableBrowsingBlockNodeIndex)OldChildState.ParentIndex;
BlockState.Remove(OldBrowsingIndex, Index);
NodeTreeHelperBlockList.ReplaceInBlock(ChildBlock, Index, operation.NewNode);
IWriteableBrowsingExistingBlockNodeIndex NewBrowsingIndex = CreateBrowsingNodeIndex(operation.NewNode, BlockIndex, Index);
IWriteablePlaceholderNodeState NewChildState = (IWriteablePlaceholderNodeState)CreateNodeState(NewBrowsingIndex);
BlockState.Insert(NewBrowsingIndex, Index, NewChildState);
operation.Update(OldBrowsingIndex, NewBrowsingIndex, OldNode, NewChildState);
}
private protected virtual bool IsNodeTreeBlockListValid(Node node, string propertyName)
{
NodeTreeHelperBlockList.GetChildBlockList(node, propertyName, out IList <NodeTreeBlock> ChildBlockList);
Debug.Assert(ChildBlockList != null);
bool IsValid = true;
if (ChildBlockList.Count == 0)
{
IsValid &= InvariantFailed(IsEmptyBlockListValid(node, propertyName));
}
for (int BlockIndex = 0; BlockIndex < ChildBlockList.Count; BlockIndex++)
{
NodeTreeBlock Block = ChildBlockList[BlockIndex];
Debug.Assert(Block.NodeList.Count > 0);
for (int Index = 0; Index < Block.NodeList.Count; Index++)
{
Node ChildNode = Block.NodeList[Index];
Debug.Assert(ChildNode != null);
IsValid &= InvariantFailed(IsNodeTreeValid(ChildNode));
}
}
return(IsValid);
}
private protected virtual void UpdateInterfaceType(Type nodeType)
{
if (InterfaceType == Type.Missing)
{
string[] Split = CollectionName.Split('.');
Type BaseType = nodeType;
for (int i = 0; i < Split.Length; i++)
{
string PropertyName = Split[i];
Type ChildNodeType;
if (i + 1 < Split.Length)
{
bool IsValidProperty = NodeTreeHelperChild.IsChildNodeProperty(BaseType, PropertyName, out ChildNodeType) || NodeTreeHelperOptional.IsOptionalChildNodeProperty(BaseType, PropertyName, out ChildNodeType);
Debug.Assert(IsValidProperty);
BaseType = ChildNodeType;
}
else
{
Type ChildInterfaceType;
bool IsValidProperty = NodeTreeHelperBlockList.IsBlockListProperty(BaseType, PropertyName, /*out ChildInterfaceType,*/ out /*ChildNodeType*/ ChildInterfaceType) || NodeTreeHelperList.IsNodeListProperty(BaseType, PropertyName, out ChildInterfaceType);
Debug.Assert(IsValidProperty);
BaseType = ChildInterfaceType;
}
}
InterfaceType = BaseType;
}
}
/// <summary>
/// Modifies the index to address the next position in a block list.
/// </summary>
public virtual void MoveBlockUp()
{
NodeTreeHelperBlockList.GetLastBlockIndex(ParentNode, PropertyName, out int LastBlockIndex);
Debug.Assert(BlockIndex + 1 < LastBlockIndex);
BlockIndex++;
}
/// <summary>
/// Modifies the index to address the next position in a list.
/// </summary>
public virtual void MoveUp()
{
NodeTreeHelperBlockList.GetLastBlockChildIndex(ParentNode, PropertyName, BlockIndex, out int LastIndex);
Debug.Assert(Index + 1 < LastIndex);
Index++;
}
/// <summary>
/// Expands the block list.
/// * Only expand block list of arguments
/// * Only expand if the list is empty. In that case, add a single default argument.
/// </summary>
private protected virtual void ExpandBlockList(IWriteableBlockListInner <IWriteableBrowsingBlockNodeIndex> blockListInner, WriteableOperationList operationList)
{
if (!blockListInner.IsEmpty)
{
return;
}
if (!NodeHelper.IsCollectionWithExpand(blockListInner.Owner.Node, blockListInner.PropertyName))
{
return;
}
Node NewItem = NodeHelper.CreateDefaultFromType(blockListInner.InterfaceType);
Pattern NewPattern = NodeHelper.CreateEmptyPattern();
Identifier NewSource = NodeHelper.CreateEmptyIdentifier();
IBlock NewBlock = NodeTreeHelperBlockList.CreateBlock(blockListInner.Owner.Node, blockListInner.PropertyName, ReplicationStatus.Normal, NewPattern, NewSource);
Action <IWriteableOperation> HandlerRedo = (IWriteableOperation operation) => RedoExpandBlockList(operation);
Action <IWriteableOperation> HandlerUndo = (IWriteableOperation operation) => UndoExpandBlockList(operation);
WriteableExpandArgumentOperation Operation = CreateExpandArgumentOperation(blockListInner.Owner.Node, blockListInner.PropertyName, NewBlock, NewItem, HandlerRedo, HandlerUndo, isNested: false);
Operation.Redo();
operationList.Add(Operation);
}
/// <summary>
/// Moves a block around in a block list.
/// </summary>
/// <param name="operation">Details of the operation performed.</param>
public virtual void MoveBlock(WriteableMoveBlockOperation operation)
{
int BlockIndex = operation.BlockIndex;
int Direction = operation.Direction;
Debug.Assert(BlockIndex >= 0 && BlockIndex < BlockStateList.Count);
Debug.Assert(BlockIndex + Direction >= 0 && BlockIndex + Direction < BlockStateList.Count);
int MoveIndex = BlockIndex;
IWriteableBlockState BlockState = (IWriteableBlockState)BlockStateList[MoveIndex];
MoveInBlockStateList(MoveIndex, Direction);
NodeTreeHelperBlockList.MoveBlock(Owner.Node, PropertyName, MoveIndex, Direction);
if (Direction > 0)
{
for (int i = MoveIndex; i < MoveIndex + Direction; i++)
{
for (int j = 0; j < BlockStateList[i].StateList.Count; j++)
{
IWriteableBrowsingExistingBlockNodeIndex ChildNodeIndex = BlockStateList[i].StateList[j].ParentIndex as IWriteableBrowsingExistingBlockNodeIndex;
Debug.Assert(ChildNodeIndex != null);
ChildNodeIndex.MoveBlockDown();
}
for (int j = 0; j < BlockState.StateList.Count; j++)
{
IWriteableBrowsingExistingBlockNodeIndex ChildNodeIndex = BlockState.StateList[j].ParentIndex as IWriteableBrowsingExistingBlockNodeIndex;
Debug.Assert(ChildNodeIndex != null);
ChildNodeIndex.MoveBlockUp();
}
}
}
else if (Direction < 0)
{
for (int i = MoveIndex; i > MoveIndex + Direction; i--)
{
for (int j = 0; j < BlockStateList[i].StateList.Count; j++)
{
IWriteableBrowsingExistingBlockNodeIndex ChildNodeIndex = BlockStateList[i].StateList[j].ParentIndex as IWriteableBrowsingExistingBlockNodeIndex;
Debug.Assert(ChildNodeIndex != null);
ChildNodeIndex.MoveBlockUp();
}
for (int j = 0; j < BlockState.StateList.Count; j++)
{
IWriteableBrowsingExistingBlockNodeIndex ChildNodeIndex = BlockState.StateList[j].ParentIndex as IWriteableBrowsingExistingBlockNodeIndex;
Debug.Assert(ChildNodeIndex != null);
ChildNodeIndex.MoveBlockDown();
}
}
}
operation.Update(BlockState);
}
/// <summary>
/// Merges two blocks at the given index.
/// </summary>
/// <param name="operation">Details of the operation performed.</param>
public virtual void MergeBlocks(IWriteableMergeBlocksOperation operation)
{
Debug.Assert(operation != null);
int MergeBlockIndex = operation.BlockIndex;
Debug.Assert(MergeBlockIndex > 0 && MergeBlockIndex < BlockStateList.Count);
IWriteableBlockState FirstBlockState = BlockStateList[MergeBlockIndex - 1];
IWriteableBlockState SecondBlockState = BlockStateList[MergeBlockIndex];
int MergeIndex = FirstBlockState.StateList.Count;
Debug.Assert(MergeIndex > 0);
NodeTreeHelperBlockList.MergeBlocks(Owner.Node, PropertyName, MergeBlockIndex, out IBlock mergedBlock);
Debug.Assert(FirstBlockState.ChildBlock == mergedBlock);
RemoveFromBlockStateList(MergeBlockIndex - 1);
operation.Update(FirstBlockState, MergeIndex);
int i;
for (i = 0; i < MergeIndex; i++)
{
IWriteablePlaceholderNodeState State = FirstBlockState.StateList[0];
IWriteableBrowsingExistingBlockNodeIndex ChildNodeIndex = State.ParentIndex as IWriteableBrowsingExistingBlockNodeIndex;
Debug.Assert(ChildNodeIndex != null);
FirstBlockState.Remove(ChildNodeIndex, 0);
SecondBlockState.Insert(ChildNodeIndex, i, State);
}
for (; i < SecondBlockState.StateList.Count; i++)
{
IWriteablePlaceholderNodeState State = SecondBlockState.StateList[i];
IWriteableBrowsingExistingBlockNodeIndex ChildNodeIndex = State.ParentIndex as IWriteableBrowsingExistingBlockNodeIndex;
Debug.Assert(ChildNodeIndex != null);
ChildNodeIndex.MoveBlockDown();
for (int j = 0; j < MergeIndex; j++)
{
ChildNodeIndex.MoveUp();
}
}
for (i = MergeBlockIndex; i < BlockStateList.Count; i++)
{
foreach (IWriteablePlaceholderNodeState State in BlockStateList[i].StateList)
{
IWriteableBrowsingExistingBlockNodeIndex ChildNodeIndex = State.ParentIndex as IWriteableBrowsingExistingBlockNodeIndex;
Debug.Assert(ChildNodeIndex != null);
ChildNodeIndex.MoveBlockDown();
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ReadOnlyBrowsingNewBlockNodeIndex"/> class.
/// </summary>
/// <param name="parentNode">Node containing the block list.</param>
/// <param name="node">First node in the block.</param>
/// <param name="propertyName">Property in <paramref name="parentNode"/> corresponding to the block list.</param>
/// <param name="blockIndex">Position of the block in the block list.</param>
public ReadOnlyBrowsingNewBlockNodeIndex(Node parentNode, Node node, string propertyName, int blockIndex)
: base(node, propertyName, blockIndex)
{
Debug.Assert(!string.IsNullOrEmpty(propertyName));
Debug.Assert(blockIndex >= 0);
Debug.Assert(NodeTreeHelperBlockList.IsBlockChildNode(parentNode, propertyName, blockIndex, 0, node));
ParentNode = parentNode;
}
/// <summary>
/// Checks that a frame is correctly constructed.
/// </summary>
/// <param name="nodeType">Type of the node this frame can describe.</param>
/// <param name="nodeTemplateTable">Table of templates with all frames.</param>
/// <param name="commentFrameCount">Number of comment frames found so far.</param>
public override bool IsValid(Type nodeType, FrameTemplateReadOnlyDictionary nodeTemplateTable, ref int commentFrameCount)
{
bool IsValid = true;
IsValid &= base.IsValid(nodeType, nodeTemplateTable, ref commentFrameCount);
IsValid &= NodeTreeHelperBlockList.IsBlockListProperty(nodeType, PropertyName, /*out Type ChildInterfaceType,*/ out Type ChildNodeType);
Debug.Assert(IsValid);
return(IsValid);
}
/// <summary>
/// Initializes a new instance of the <see cref="WriteableInsertionExistingBlockNodeIndex"/> class.
/// </summary>
/// <param name="parentNode">Node containing the block list.</param>
/// <param name="propertyName">Property in <paramref name="parentNode"/> corresponding to the block list..</param>
/// <param name="node">Inserted node.</param>
/// <param name="blockIndex">Position of the block in the block list.</param>
/// <param name="index">Position where to insert <paramref name="node"/> in the block.</param>
public WriteableInsertionExistingBlockNodeIndex(INode parentNode, string propertyName, INode node, int blockIndex, int index)
: base(parentNode, propertyName, node)
{
Debug.Assert(blockIndex >= 0);
Debug.Assert(index >= 0); // You can insert at position 0, contrary to a browsing index that only supports positions other than 0.
Debug.Assert(NodeTreeHelperBlockList.GetLastBlockChildIndex(parentNode, propertyName, blockIndex, out int LastIndex) && index <= LastIndex);
BlockIndex = blockIndex;
Index = index;
}
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>
/// Initializes a new instance of the <see cref="WriteableInsertionNewBlockNodeIndex"/> class.
/// </summary>
/// <param name="parentNode">Node containing the block list.</param>
/// <param name="propertyName">Property in <paramref name="parentNode"/> corresponding to the block list.</param>
/// <param name="node">First node in the block.</param>
/// <param name="blockIndex">Position of the block in the block list.</param>
/// <param name="patternNode">Replication pattern in the block.</param>
/// <param name="sourceNode">Source identifier in the block.</param>
public WriteableInsertionNewBlockNodeIndex(INode parentNode, string propertyName, INode node, int blockIndex, IPattern patternNode, IIdentifier sourceNode)
: base(parentNode, propertyName, node)
{
Debug.Assert(blockIndex >= 0);
Debug.Assert(NodeTreeHelperBlockList.GetLastBlockIndex(parentNode, propertyName, out int LastBlockIndex) && blockIndex <= LastBlockIndex);
Debug.Assert(patternNode != null);
Debug.Assert(sourceNode != null);
BlockIndex = blockIndex;
PatternNode = patternNode;
SourceNode = sourceNode;
}
/// <summary>
/// Moves a node around in a list or block list. In a block list, the node stays in same block.
/// </summary>
/// <param name="operation">Details of the operation performed.</param>
public virtual void Move(IWriteableMoveNodeOperation operation)
{
Debug.Assert(operation != null);
int BlockIndex = operation.BlockIndex;
Debug.Assert(BlockIndex >= 0 && BlockIndex < BlockStateList.Count);
IWriteableBlockState BlockState = BlockStateList[BlockIndex];
IWriteablePlaceholderNodeStateReadOnlyList StateList = BlockState.StateList;
int MoveIndex = operation.Index;
int Direction = operation.Direction;
Debug.Assert(MoveIndex >= 0 && MoveIndex < StateList.Count);
Debug.Assert(MoveIndex + Direction >= 0 && MoveIndex + Direction < StateList.Count);
IWriteableBrowsingExistingBlockNodeIndex ExistingBlockNodeIndex = StateList[MoveIndex].ParentIndex as IWriteableBrowsingExistingBlockNodeIndex;
Debug.Assert(ExistingBlockNodeIndex != null);
BlockState.Move(ExistingBlockNodeIndex, MoveIndex, Direction);
IBlock ChildBlock = BlockState.ChildBlock;
NodeTreeHelperBlockList.MoveNode(ChildBlock, MoveIndex, Direction);
operation.Update(StateList[MoveIndex + Direction]);
if (Direction > 0)
{
for (int i = MoveIndex; i < MoveIndex + Direction; i++)
{
IWriteableBrowsingExistingBlockNodeIndex ChildNodeIndex = StateList[i].ParentIndex as IWriteableBrowsingExistingBlockNodeIndex;
Debug.Assert(ChildNodeIndex != null);
ChildNodeIndex.MoveDown();
ExistingBlockNodeIndex.MoveUp();
}
}
else if (Direction < 0)
{
for (int i = MoveIndex; i > MoveIndex + Direction; i--)
{
IWriteableBrowsingExistingBlockNodeIndex ChildNodeIndex = StateList[i].ParentIndex as IWriteableBrowsingExistingBlockNodeIndex;
Debug.Assert(ChildNodeIndex != null);
ChildNodeIndex.MoveUp();
ExistingBlockNodeIndex.MoveDown();
}
}
}
/// <summary>
/// Changes the replication state of a block.
/// </summary>
/// <param name="operation">Details of the operation performed.</param>
public virtual void ChangeReplication(WriteableChangeBlockOperation operation)
{
ReplicationStatus Replication = operation.Replication;
int BlockIndex = operation.BlockIndex;
Debug.Assert(BlockIndex >= 0 && BlockIndex < BlockStateList.Count);
IWriteableBlockState BlockState = (IWriteableBlockState)BlockStateList[BlockIndex];
NodeTreeHelperBlockList.SetReplication(BlockState.ChildBlock, Replication);
operation.Update(BlockState);
}
/// <summary>
/// Initializes a new instance of the <see cref="ReadOnlyBrowsingExistingBlockNodeIndex"/> class.
/// </summary>
/// <param name="parentNode">Node containing the block list.</param>
/// <param name="node">Indexed node in the block.</param>
/// <param name="propertyName">Property in <paramref name="parentNode"/> corresponding to the block list.</param>
/// <param name="blockIndex">Position of the block in the block list.</param>
/// <param name="index">Position of the node in the block.</param>
public ReadOnlyBrowsingExistingBlockNodeIndex(INode parentNode, INode node, string propertyName, int blockIndex, int index)
: base(node, propertyName, blockIndex)
{
Debug.Assert(parentNode != null);
Debug.Assert(node != null);
Debug.Assert(!string.IsNullOrEmpty(propertyName));
Debug.Assert(blockIndex >= 0);
Debug.Assert(index >= 0);
Debug.Assert(NodeTreeHelperBlockList.IsBlockChildNode(parentNode, propertyName, blockIndex, index, node));
ParentNode = parentNode;
Index = index;
}
private protected virtual void SetNodeTypeToDefault(IFrameTemplateDictionary dictionary, Type nodeType)
{
Debug.Assert(dictionary.ContainsKey(nodeType));
Debug.Assert(dictionary[nodeType] == null);
FrameHorizontalPanelFrame RootFrame = (FrameHorizontalPanelFrame)CreateHorizontalPanelFrame();
FrameNodeTemplate RootTemplate = (FrameNodeTemplate)CreateNodeTemplate();
RootTemplate.NodeType = nodeType;
RootTemplate.Root = RootFrame;
// Set the template, even if empty, in case the node recursively refers to itself (ex: expressions).
dictionary[nodeType] = RootTemplate;
RootFrame.Items.Add(CreateCommentFrame());
Type ChildNodeType;
IList <string> Properties = NodeTreeHelper.EnumChildNodeProperties(nodeType);
foreach (string PropertyName in Properties)
{
bool IsHandled = false;
if (NodeTreeHelperChild.IsChildNodeProperty(nodeType, PropertyName, out ChildNodeType))
{
FramePlaceholderFrame NewFrame = (FramePlaceholderFrame)CreatePlaceholderFrame();
NewFrame.PropertyName = PropertyName;
RootFrame.Items.Add(NewFrame);
IsHandled = true;
}
else if (NodeTreeHelperOptional.IsOptionalChildNodeProperty(nodeType, PropertyName, out ChildNodeType))
{
FrameOptionalFrame NewFrame = (FrameOptionalFrame)CreateOptionalFrame();
NewFrame.PropertyName = PropertyName;
RootFrame.Items.Add(NewFrame);
IsHandled = true;
}
else if (NodeTreeHelperList.IsNodeListProperty(nodeType, PropertyName, out Type ListNodeType))
{
FrameHorizontalListFrame NewFrame = (FrameHorizontalListFrame)CreateHorizontalListFrame();
NewFrame.PropertyName = PropertyName;
RootFrame.Items.Add(NewFrame);
IsHandled = true;
}
else if (NodeTreeHelperBlockList.IsBlockListProperty(nodeType, PropertyName, out Type ChildInterfaceType, out Type ChildItemType))
{
FrameHorizontalBlockListFrame NewFrame = (FrameHorizontalBlockListFrame)CreateHorizontalBlockListFrame();
NewFrame.PropertyName = PropertyName;
RootFrame.Items.Add(NewFrame);
IsHandled = true;
}
/// <summary>
/// Initializes a new instance of the <see cref="ReadOnlyBrowsingExistingBlockNodeIndex"/> class.
/// </summary>
/// <param name="parentNode">Node containing the block list.</param>
/// <param name="node">Indexed node in the block.</param>
/// <param name="propertyName">Property in <paramref name="parentNode"/> corresponding to the block list.</param>
/// <param name="blockIndex">Position of the block in the block list.</param>
/// <param name="index">Position of the node in the block.</param>
public ReadOnlyBrowsingExistingBlockNodeIndex(Node parentNode, Node node, string propertyName, int blockIndex, int index)
: base(node, propertyName, blockIndex)
{
Contract.RequireNotNull(parentNode, out Node ParentNode);
Contract.RequireNotNull(node, out Node Node);
Contract.RequireNotNull(propertyName, out string PropertyName);
Debug.Assert(PropertyName.Length > 0);
Debug.Assert(blockIndex >= 0);
Debug.Assert(index >= 0);
Debug.Assert(NodeTreeHelperBlockList.IsBlockChildNode(ParentNode, PropertyName, blockIndex, index, Node));
this.ParentNode = ParentNode;
Index = index;
}
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>
/// Creates and initializes a new block state in the inner.
/// </summary>
/// <param name="newBlockIndex">Index of the new block state to create.</param>
/// <returns>The created block state.</returns>
public virtual IReadOnlyBlockState InitNewBlock(IReadOnlyBrowsingNewBlockNodeIndex newBlockIndex)
{
Debug.Assert(newBlockIndex.PropertyName == PropertyName);
int BlockIndex = newBlockIndex.BlockIndex;
Debug.Assert(BlockIndex == BlockStateList.Count);
NodeTreeHelperBlockList.GetChildBlock(Owner.Node, PropertyName, BlockIndex, out IBlock ChildBlock);
IReadOnlyBlockState BlockState = CreateBlockState(newBlockIndex, ChildBlock);
InsertInBlockStateList(BlockIndex, BlockState);
return(BlockState);
}
/// <inheritdoc/>
public override void CloneChildren(Node parentNode)
{
NodeTreeHelperBlockList.ClearChildBlockList(parentNode, PropertyName);
// Clone and insert all blocks. This will clone all children recursively.
for (int BlockIndex = 0; BlockIndex < BlockStateList.Count; BlockIndex++)
{
IReadOnlyBlockState BlockState = BlockStateList[BlockIndex];
((IReadOnlyBlockState <IReadOnlyInner <IReadOnlyBrowsingChildIndex> >)BlockState).CloneBlock(parentNode, BlockIndex);
}
// Copy comments.
IBlockList BlockList = NodeTreeHelperBlockList.GetBlockList(Owner.Node, PropertyName);
IBlockList NewBlockList = NodeTreeHelperBlockList.GetBlockList(parentNode, PropertyName);
NodeTreeHelper.CopyDocumentation(BlockList, NewBlockList, cloneCommentGuid: true);
}
private protected virtual void AddBlockNodeTypes(FrameTemplateDictionary dictionary, Type nodeType)
{
IList <string> Properties = NodeTreeHelper.EnumChildNodeProperties(nodeType);
foreach (string PropertyName in Properties)
{
if (NodeTreeHelperBlockList.IsBlockListProperty(nodeType, PropertyName, /*out Type ChildInterfaceType,*/ out Type ChildItemType))
{
Type BlockListType = NodeTreeHelperBlockList.BlockListBlockType(nodeType, PropertyName);
if (!dictionary.ContainsKey(BlockListType))
{
dictionary.Add(BlockListType, null);
}
}
}
}
/// <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);
}
/// <summary>
/// Checks that a frame selector is correctly constructed.
/// </summary>
/// <param name="nodeType">Type of the node this frame selector can describe.</param>
/// <param name="nodeTemplateTable">Table of templates with all frames.</param>
/// <param name="propertyName">The property for which frames can be selected.</param>
public virtual bool IsValid(Type nodeType, IFocusTemplateReadOnlyDictionary nodeTemplateTable, string propertyName)
{
bool IsValid = true;
IsValid &= SelectorType != null;
IsValid &= !string.IsNullOrEmpty(SelectorName);
Type ChildInterfaceType, ChildNodeType;
IsValid &= NodeTreeHelperChild.IsChildNodeProperty(nodeType, propertyName, out ChildInterfaceType) ||
NodeTreeHelperOptional.IsOptionalChildNodeProperty(nodeType, propertyName, out ChildInterfaceType) ||
NodeTreeHelperList.IsNodeListProperty(nodeType, propertyName, out ChildInterfaceType) ||
NodeTreeHelperBlockList.IsBlockListProperty(nodeType, propertyName, out ChildInterfaceType, out ChildNodeType) ||
(NodeTreeHelper.IsBlockType(nodeType) && propertyName == nameof(BaseNode.IBlock.NodeList));
IsValid &= nodeTemplateTable.ContainsKey(SelectorType);
IFocusNodeTemplate Template = nodeTemplateTable[SelectorType] as IFocusNodeTemplate;
Debug.Assert(Template != null);
IFocusSelectionFrame AsSelectionFrame = Template.Root as IFocusSelectionFrame;
IsValid &= AsSelectionFrame != null;
if (IsValid)
{
IFocusSelectableFrame SelectedItem = null;
foreach (IFocusSelectableFrame Item in AsSelectionFrame.Items)
{
if (Item.Name == SelectorName)
{
SelectedItem = Item;
break;
}
}
IsValid &= SelectedItem != null;
}
Debug.Assert(IsValid);
return(IsValid);
}
/// <summary>
/// Initializes a new instance of the <see cref="FocusBlockListSelection"/> class.
/// </summary>
/// <param name="stateView">The state view that encompasses the selection.</param>
/// <param name="propertyName">The property name.</param>
/// <param name="startIndex">Index of the first selected block.</param>
/// <param name="endIndex">Index following the last selected block.</param>
public FocusBlockListSelection(IFocusNodeStateView stateView, string propertyName, int startIndex, int endIndex)
: base(stateView)
{
Node Node = stateView.State.Node;
Debug.Assert(NodeTreeHelperBlockList.IsBlockListProperty(Node, propertyName, /*out Type childInterfaceType,*/ out Type childNodeType));
PropertyName = propertyName;
if (startIndex <= endIndex)
{
StartIndex = startIndex;
EndIndex = endIndex;
}
else
{
StartIndex = endIndex;
EndIndex = startIndex;
}
}
/// <summary>
/// Splits a block in two at the given index.
/// </summary>
/// <param name="inner">The inner where the block is split.</param>
/// <param name="nodeIndex">Index of the last node to stay in the old block.</param>
public virtual void SplitBlock(IWriteableBlockListInner inner, IWriteableBrowsingExistingBlockNodeIndex nodeIndex)
{
Contract.RequireNotNull(inner, out IWriteableBlockListInner Inner);
Contract.RequireNotNull(nodeIndex, out IWriteableBrowsingExistingBlockNodeIndex NodeIndex);
Debug.Assert(Inner.IsSplittable(NodeIndex));
IWriteableBlockState BlockState = (IWriteableBlockState)Inner.BlockStateList[NodeIndex.BlockIndex];
ReplicationStatus Replication = BlockState.ChildBlock.Replication;
Pattern NewPatternNode = NodeHelper.CreateSimplePattern(BlockState.ChildBlock.ReplicationPattern.Text);
Identifier NewSourceNode = NodeHelper.CreateSimpleIdentifier(BlockState.ChildBlock.SourceIdentifier.Text);
IBlock NewBlock = NodeTreeHelperBlockList.CreateBlock(Inner.Owner.Node, Inner.PropertyName, Replication, NewPatternNode, NewSourceNode);
Action <IWriteableOperation> HandlerRedo = (IWriteableOperation operation) => RedoSplitBlock(operation);
Action <IWriteableOperation> HandlerUndo = (IWriteableOperation operation) => UndoSplitBlock(operation);
WriteableSplitBlockOperation Operation = CreateSplitBlockOperation(Inner.Owner.Node, Inner.PropertyName, NodeIndex.BlockIndex, NodeIndex.Index, NewBlock, HandlerRedo, HandlerUndo, isNested: false);
Operation.Redo();
SetLastOperation(Operation);
CheckInvariant();
}