private async void OnOpenProductDetailView(int?productId)
{
if (ProductDetailViewModel != null && ProductDetailViewModel.HasChanges)
{
var result = _messageDialogService.ShowOkCancelDialog("You have made changes. Navigate away?", "Question");
if (result == MessageDialogResult.Cancel)
{
return;
}
}
ProductDetailViewModel = _productDetailViewModelCreator();
await ProductDetailViewModel.LoadAsync(productId);
}
public void CloseProductDetail(IProductDetailViewModel viewModel)
{
var detailRegion = this.regionManager.Regions[RegionNames.DetailRegion];
var viewToClose = detailRegion.Views
.Cast <FrameworkElement>()
.Where(v => v.DataContext == viewModel)
.FirstOrDefault();
if (viewToClose != null)
{
var disposableViewToClose = viewToClose as IDisposable;
if (disposableViewToClose != null)
{
disposableViewToClose.Dispose();
}
detailRegion.Remove(viewToClose);
// TODO: Activate appropriate view
}
}
public ProductViewModel(
ILogService logService,
IDataService dataService,
IDialogService dialogService,
IEventAggregator eventAggregator,
IProductRepository productRepository,
IProductDetailViewModel productDetailViewModel)
: base(dialogService)
{
_logService = logService;
_dataService = dataService;
_dialogService = dialogService;
_productRepository = productRepository;
_productDetailViewModel = productDetailViewModel;
Products = new ObservableCollection <ProductWrapper>();
RefreshCommand = new DelegateCommand(Load, () => !IsBusy);
NewProductCommand = new DelegateCommand(OnNewProductExecute, () => !IsBusy);
DeleteProductCommand = new DelegateCommand <int?>(OnDeleteProductExecute);
UpdateProductCommand = new DelegateCommand <ProductWrapper>(OnUpdateProductExecute);
eventAggregator.GetEvent <AfterProductSavedEvent>().Subscribe(OnAfterProductSaved);
}
private void AfterProductDeleted(int productId)
{
ProductDetailViewModel = null;
}