public void AddDocAction(DocumentAction docAct)
{
if (_textdom.EnableUndoHistoryRecording)
{
_undoList.AddLast(docAct);
EnsureCapacity();
}
}
public void ReverseLastUndoAction()
{
if (_reverseUndoAction.Count > 0)
{
_textdom.EnableUndoHistoryRecording = false;
DocumentAction docAction = _reverseUndoAction.Pop();
_textdom.EnableUndoHistoryRecording = true;
docAction.InvokeRedo(_textdom);
_undoList.AddLast(docAction);
}
}
public void UndoLastAction()
{
DocumentAction docAction = PopUndoCommand();
if (docAction != null)
{
_textdom.EnableUndoHistoryRecording = false;
docAction.InvokeUndo(_textdom);
_textdom.EnableUndoHistoryRecording = true;
_reverseUndoAction.Push(docAction);
}
}
public DocumentAction PopUndoCommand()
{
if (_undoList.Count > 0)
{
DocumentAction lastCmd = _undoList.Last.Value;
_undoList.RemoveLast();
return(lastCmd);
}
else
{
return(null);
}
}
public virtual void AddDocAction(DocumentAction docAction)
{
}