public void Undo()
{
if (undoStack.Count() <= 0)
{
throw new InvalidOperationException();
}
IUndoRedoCommand command = undoStack.Pop();
redoStack.Push(command);
command.Undo();
}
protected void UndoCommandExecute()
{
if (CurrentTabItem == null || !DicUndoCommands.Keys.Contains(CurrentTabItem))
{
return;
}
if (DicUndoCommands[CurrentTabItem].Count > 0)
{
IUndoRedoCommand command = DicUndoCommands[CurrentTabItem].Pop();
command.Undo();
DicRedoCommands[CurrentTabItem].Push(command);
}
}
public void Undo(int undoCount = 1)
{
for (int i = 1; i <= undoCount; i++)
{
if (undoBuffer.Count != 0)
{
IUndoRedoCommand command = undoBuffer.Pop();
command.Undo();
redoBuffer.Push(command);
}
}
Changed?.Invoke(this, null);
}
public void Undo()
{
IUndoRedoCommand cmd = _undoRedoStack[--_pointer];
if (cmd.CheckExecutionContext()) // if command is no longer valid dispose it
{
cmd.Undo();
}
else
{
_undoRedoStack.RemoveAt(_pointer);
}
_onUndoAction?.Invoke();
_onRedoAction?.Invoke();
}
