public TheVM()
{
CurrentState = Factory.GetInitialState();
CurrentState.Activate();
MoveNextCommand = new RelayCommand(MoveNext);
MoveBackCommand = new RelayCommand(MoveBack);
MoveFinishCommand = new RelayCommand(MoveFinish);
}
public OrderState MoveFinish()
{
if (Finish != null)
{
AddToPayment();
Finish.Activate();
return(Finish);
}
return(null);
}
public OrderState MoveNext()
{
if (Next != null)
{
AddToPayment();
Next.Activate();
return(Next);
}
return(null);
}
public OrderState MoveBack()
{
if (Back != null)
{
ReduceFromPayment();
Back.Activate();
return(Back);
}
return(null);
}