public Tuple <FigureAbstract, int> Action(HistoryList.Actions Action)
{
if (Action == HistoryList.Actions.Undo)
{
return(Tuple.Create(_before, _figurePos));
}
else
{
return(Tuple.Create(_after, _figurePos));
}
}
//Для создания или удаления
public State(HistoryList.Actions state, FigureAbstract figureState, int pos)
{
_figurePos = pos;
switch (state)
{
case HistoryList.Actions.Create:
_before = null;
_after = figureState;
break;
case HistoryList.Actions.Delete:
_before = figureState;
_after = null;
break;
}
}
