public NewspaperDetailViewModel(INewspaperAdRepository adRepository)
{
_adRepository = adRepository;
Advertisements = new ObservableCollection<AdvertisementItemViewModel>();
Messenger.Default.Send(new NewspaperDetailViewModelReady());
Messenger.Default.Register<CurrentNewspaperItemChangedMessage>(this, (message) =>
{
if (message.ItemViewModel != null)
{
ItemViewModel = message.ItemViewModel;
_name = ItemViewModel.Name;
}
else
_name = "";
RaisePropertyChanged(() => AllowSave);
});
Messenger.Default.Register<CurrentAdvertisementItemChangedMessage>(this,
(message) =>
{
_currentAd = message.ItemViewModel;
RaisePropertyChanged(() => AllowSave);
});
AddItemCommand = new RelayCommand(AddItemCommandHandler);
CancelItemCommand = new RelayCommand(CancelItemCommandHandler);
SaveItemCommand = new RelayCommand(SaveItemCommandHandler);
DeleteItemCommand = new RelayCommand(DeleteItemCommandHandler);
LinkToCurentAd = new RelayCommand(LinkToCurrentAdHandler);
}
private void SaveCommandHandler(AdvertisementItemViewModel viewModel)
{
if (inSave)
return;
inSave = true;
viewModel.Newspapers.ToList().ForEach(n => _adRepository.Save(n.Model));
var sortedList = Advertisements.OrderBy(a=>a.Name).ToList();
Advertisements.Clear();
sortedList.ForEach(a=>Advertisements.Add(a));
inSave = false;
}
private void AddingItemMessageHandler(AddingAdvertisementItemMessage obj)
{
var model = new Advertisement();
var vm = new AdvertisementItemViewModel(_adRepository) {Model = model};
Advertisements.Add(vm);
var sortedAds = Advertisements.OrderBy(a => a.Name).ToList();
Advertisements.Clear();
sortedAds.ForEach(Advertisements.Add);
Messenger.Default.Send(new CurrentAdvertisementItemChangedMessage(vm));
}
