public void OnStart()
{
bool IsEmptyCarList;
bool IsEmptyRefuelingList;
using (var uof = new UnitOfWork(new FuelContext()))
{
IsEmptyCarList = uof.CarRepository.IsEmpty();
IsEmptyRefuelingList = uof.RefuelingRepository.IsEmpty();
}
if (IsEmptyCarList && IsEmptyRefuelingList)
{
ViewModelsList.Add(new FirstRunViewModel());
CurrentViewModel = ViewModelsList.FirstOrDefault(x => x.Name == "FirstRun");
}
else if (IsEmptyRefuelingList)
{
ViewModelsList.Add(new CarsViewModel());
ViewModelsList.Add(new RefuelingViewModel());
CurrentViewModel = ViewModelsList.FirstOrDefault(x => x.Name == "Tankowanie");
}
else
{
ViewModelsList.Add(new CarsViewModel());
ViewModelsList.Add(new RefuelingViewModel());
ViewModelsList.Add(new StaticticsViewModel());
ViewModelsList.Add(new DiagramsViewModel());
CurrentViewModel = ViewModelsList.FirstOrDefault(x => x.Name == "Tankowanie");
}
}
public void ChangeViewModel(IPageViewModel viewmodel)
{
if (!ViewModelsList.Contains(viewmodel))
{
ViewModelsList.Add(viewmodel);
}
CurrentViewModel = ViewModelsList.FirstOrDefault(x => x == viewmodel);
}