public MementoPersonalInfo this[string UndoesOrRedoes]
{
get
{
switch (UndoesOrRedoes)
{
case "Undo":
Redos.Push(Undos.Last.Value);
MementoPersonalInfo state = Undos.Last.Value;
Undos.RemoveLast();
Capacity = Undos.Count;
RedoesQuantity = Redos.Count;
return(state);
case "Redo":
Undos.AddLast(Redos.Pop());
Capacity = Undos.Count;
RedoesQuantity = Redos.Count;
return(Undos.Last.Value);
default:
Capacity = Undos.Count;
RedoesQuantity = Redos.Count;
return(null);
}
}
}
public void SetMemento(MementoPersonalInfo memento)
{
Name = memento.Name;
Surname = memento.Surname;
PhoneNumber = memento.PhoneNumber;
Address = memento.Address;
Email = memento.Email;
}
public void Add(MementoPersonalInfo memento)
{
if (Undos.Count < 256)
{
Undos.AddLast(memento);
}
else
{
Undos.RemoveFirst();
Undos.AddLast(memento);
}
Capacity = Undos.Count;
RedoesQuantity = Redos.Count;
}
