protected void RedoCommandExecute()
{
if (CurrentTabItem == null || !DicRedoCommands.Keys.Contains(CurrentTabItem))
{
return;
}
if (DicRedoCommands[CurrentTabItem].Count > 0)
{
IUndoRedoCommand command = DicRedoCommands[CurrentTabItem].Pop();
if (command != null)
{
command.Redo();
DicUndoCommands[CurrentTabItem].Push(command);
}
}
}
public void Redo()
{
IUndoRedoCommand cmd = _undoRedoStack[_pointer];
if (cmd.CheckExecutionContext()) // if command is no longer valid dispose it
{
cmd.Redo();
_pointer++;
}
else
{
_undoRedoStack.RemoveAt(_pointer);
}
_onUndoAction?.Invoke();
_onRedoAction?.Invoke();
}
public static void ExecuteAndPush(this IUndoRedoStack stack, IUndoRedoCommand command)
{
command.Redo();
stack.Push(command);
}