private void CutOrDelete(IDataObject dataObject, out bool isDeleted)
{
isDeleted = false;
string Content = NodeTreeHelper.GetString(StateView.State.Node, PropertyName);
Debug.Assert(Content != null);
Debug.Assert(Start <= End);
Debug.Assert(End <= Content.Length);
if (Start < End)
{
if (dataObject != null)
{
dataObject.SetData(typeof(string), Content.Substring(Start, End - Start));
}
Content = Content.Substring(0, Start) + Content.Substring(End);
IFocusController Controller = StateView.ControllerView.Controller;
int OldCaretPosition = StateView.ControllerView.CaretPosition;
int NewCaretPosition = Start;
Controller.ChangeTextAndCaretPosition(StateView.State.ParentIndex, PropertyName, Content, OldCaretPosition, NewCaretPosition, true);
StateView.ControllerView.ClearSelection();
isDeleted = true;
}
}
/// <summary>
/// Replaces the selection with the content of the clipboard.
/// </summary>
/// <param name="isChanged">True if something was replaced or added.</param>
public override void Paste(out bool isChanged)
{
isChanged = false;
IFocusNodeState State = StateView.State;
IFocusBlockListInner ParentInner = State.PropertyToInner(PropertyName) as IFocusBlockListInner;
Debug.Assert(ParentInner != null);
Debug.Assert(BlockIndex >= 0 && BlockIndex < ParentInner.BlockStateList.Count);
IFocusBlockState BlockState = ParentInner.BlockStateList[BlockIndex];
Debug.Assert(StartIndex < BlockState.StateList.Count);
Debug.Assert(EndIndex <= BlockState.StateList.Count);
Debug.Assert(StartIndex <= EndIndex);
IList <INode> NodeList = null;
if (ClipboardHelper.TryReadNodeList(out NodeList))
{
}
else if (ClipboardHelper.TryReadNode(out INode Node))
{
NodeList = new List <INode>()
{
Node
};
}
if (NodeList != null)
{
if (NodeList.Count == 0 || ParentInner.InterfaceType.IsAssignableFrom(NodeList[0].GetType()))
{
List <IWriteableInsertionCollectionNodeIndex> IndexList = new List <IWriteableInsertionCollectionNodeIndex>();
IFocusController Controller = StateView.ControllerView.Controller;
int OldNodeCount = ParentInner.Count;
int SelectionCount = EndIndex - StartIndex;
int InsertionNodeIndex = EndIndex;
for (int i = 0; i < NodeList.Count; i++)
{
INode NewNode = NodeList[i] as INode;
IFocusInsertionExistingBlockNodeIndex InsertedIndex = CreateExistingBlockNodeIndex(ParentInner.Owner.Node, PropertyName, NewNode, BlockIndex, StartIndex + i);
IndexList.Add(InsertedIndex);
}
Controller.ReplaceNodeRange(ParentInner, BlockIndex, StartIndex, EndIndex, IndexList);
Debug.Assert(ParentInner.Count == OldNodeCount + NodeList.Count - SelectionCount);
StateView.ControllerView.ClearSelection();
isChanged = NodeList.Count > 0 || SelectionCount > 0;
}
}
}
private void CutOrDelete(IDataObject dataObject, out bool isDeleted)
{
isDeleted = false;
IFocusNodeState State = StateView.State;
if (State.ParentInner is IFocusCollectionInner AsCollectionInner && State.ParentIndex is IFocusBrowsingCollectionNodeIndex AsCollectionNodeIndex)
{
IFocusController Controller = StateView.ControllerView.Controller;
INode ParentNode = State.ParentInner.Owner.Node;
Controller.Remove(AsCollectionInner, AsCollectionNodeIndex);
isDeleted = true;
}
}
/// <summary>
/// Replaces the selection with the content of the clipboard.
/// </summary>
/// <param name="isChanged">True if something was replaced or added.</param>
public override void Paste(out bool isChanged)
{
isChanged = false;
if (ClipboardHelper.TryReadInt(out int NewValue) && NewValue >= 0)
{
int OldValue = NodeTreeHelper.GetEnumValueAndRange(StateView.State.Node, PropertyName, out int Min, out int Max);
if (OldValue != NewValue && NewValue >= Min && NewValue <= Max)
{
IFocusController Controller = StateView.ControllerView.Controller;
Controller.ChangeDiscreteValue(StateView.State.ParentIndex, PropertyName, NewValue);
isChanged = true;
}
}
}
/// <summary>
/// Replaces the selection with the content of the clipboard.
/// </summary>
public override void Paste(out bool isChanged)
{
isChanged = false;
if (ClipboardHelper.TryReadText(out string Text) && Text.Length > 0)
{
string Content = NodeTreeHelper.GetString(StateView.State.Node, PropertyName);
Debug.Assert(Content != null);
Debug.Assert(Start <= End);
Debug.Assert(End <= Content.Length);
Content = Content.Substring(0, Start) + Text + Content.Substring(End);
IFocusController Controller = StateView.ControllerView.Controller;
int OldCaretPosition = StateView.ControllerView.CaretPosition;
int NewCaretPosition = Start + Text.Length;
Controller.ChangeTextAndCaretPosition(StateView.State.ParentIndex, PropertyName, Content, OldCaretPosition, NewCaretPosition, false);
StateView.ControllerView.ClearSelection();
isChanged = true;
}
}
/// <summary>
/// Replaces the selection with the content of the clipboard.
/// </summary>
/// <param name="isChanged">True if something was replaced or added.</param>
public override void Paste(out bool isChanged)
{
isChanged = false;
if (ClipboardHelper.TryReadNode(out INode Node))
{
IFocusNodeState State = StateView.State;
if ((State.ParentInner != null && State.ParentInner.InterfaceType.IsAssignableFrom(Node.GetType())) || (State.ParentInner == null && Node.GetType() == State.Node.GetType()))
{
if (State.ParentIndex is IFocusBrowsingInsertableIndex AsInsertableIndex)
{
IFocusController Controller = StateView.ControllerView.Controller;
INode ParentNode = State.ParentInner.Owner.Node;
IFocusInsertionChildIndex ReplaceIndex = (IFocusInsertionChildIndex)AsInsertableIndex.ToInsertionIndex(ParentNode, Node);
Controller.Replace(State.ParentInner, ReplaceIndex, out IWriteableBrowsingChildIndex NewIndex);
isChanged = true;
}
}
}
}
private void CutOrDelete(IDataObject dataObject, out bool isDeleted)
{
isDeleted = false;
IFocusNodeState State = StateView.State;
IFocusBlockListInner ParentInner = State.PropertyToInner(PropertyName) as IFocusBlockListInner;
Debug.Assert(ParentInner != null);
Debug.Assert(StartIndex <= EndIndex);
int OldBlockCount = ParentInner.BlockStateList.Count;
int SelectionCount = EndIndex - StartIndex;
if (SelectionCount < ParentInner.BlockStateList.Count || !NodeHelper.IsCollectionNeverEmpty(State.Node, PropertyName))
{
if (dataObject != null)
{
List <IBlock> BlockList = new List <IBlock>();
for (int i = StartIndex; i < EndIndex; i++)
{
IFocusBlockState BlockState = ParentInner.BlockStateList[i];
BlockList.Add(BlockState.ChildBlock);
}
ClipboardHelper.WriteBlockList(dataObject, BlockList);
}
IFocusController Controller = StateView.ControllerView.Controller;
Controller.RemoveBlockRange(ParentInner, StartIndex, EndIndex);
Debug.Assert(ParentInner.BlockStateList.Count == OldBlockCount - SelectionCount);
StateView.ControllerView.ClearSelection();
isDeleted = true;
}
}
/// <summary></summary>
protected virtual void PasteNode(INode node, out bool isChanged)
{
isChanged = false;
IFocusControllerView ControllerView = StateView.ControllerView;
if (ControllerView.Focus is IFocusTextFocus AsTextFocus)
{
IFocusNodeState State = AsTextFocus.CellView.StateView.State;
if (State.Node.GetType().IsAssignableFrom(node.GetType()))
{
if (State.ParentIndex is IFocusBrowsingInsertableIndex AsInsertableIndex)
{
IFocusController Controller = StateView.ControllerView.Controller;
INode ParentNode = State.ParentInner.Owner.Node;
IFocusInsertionChildIndex ReplaceIndex = (IFocusInsertionChildIndex)AsInsertableIndex.ToInsertionIndex(ParentNode, node);
Controller.Replace(State.ParentInner, ReplaceIndex, out IWriteableBrowsingChildIndex NewIndex);
isChanged = true;
}
}
}
}
/// <summary>
/// Replaces the selection with the content of the clipboard.
/// </summary>
/// <param name="isChanged">True if something was replaced or added.</param>
public override void Paste(out bool isChanged)
{
isChanged = false;
IFocusNodeState State = StateView.State;
IFocusBlockListInner ParentInner = State.PropertyToInner(PropertyName) as IFocusBlockListInner;
Debug.Assert(ParentInner != null);
Debug.Assert(StartIndex <= EndIndex);
int OldBlockCount = ParentInner.BlockStateList.Count;
int SelectionCount = EndIndex - StartIndex;
if (ClipboardHelper.TryReadBlockList(out IList <IBlock> BlockList))
{
bool IsAssignable = true;
if (BlockList.Count > 0)
{
NodeTreeHelperBlockList.GetBlockType(BlockList[0], out Type ChildInterfaceType, out Type ChildItemType);
IsAssignable = ParentInner.InterfaceType.IsAssignableFrom(ChildInterfaceType);
}
if (IsAssignable)
{
List <IWriteableInsertionBlockNodeIndex> IndexList = new List <IWriteableInsertionBlockNodeIndex>();
IFocusController Controller = StateView.ControllerView.Controller;
int InsertionBlockIndex = StartIndex;
for (int i = 0; i < BlockList.Count; i++)
{
IBlock NewBlock = BlockList[i];
for (int j = 0; j < NewBlock.NodeList.Count; j++)
{
INode NewNode = NewBlock.NodeList[j] as INode;
IFocusInsertionBlockNodeIndex InsertedIndex;
if (j == 0)
{
InsertedIndex = CreateNewBlockNodeIndex(ParentInner.Owner.Node, PropertyName, NewNode, InsertionBlockIndex, NewBlock.ReplicationPattern, NewBlock.SourceIdentifier);
}
else
{
InsertedIndex = CreateExistingBlockNodeIndex(ParentInner.Owner.Node, PropertyName, NewNode, InsertionBlockIndex, j);
}
Debug.Assert(InsertedIndex != null);
IndexList.Add(InsertedIndex);
}
InsertionBlockIndex++;
}
Controller.ReplaceBlockRange(ParentInner, StartIndex, EndIndex, IndexList);
Debug.Assert(ParentInner.BlockStateList.Count == OldBlockCount + BlockList.Count - SelectionCount);
StateView.ControllerView.ClearSelection();
isChanged = BlockList.Count > 0 || SelectionCount > 0;
}
}
}