protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
await StatusBarProvider.TryExecuteAsync(async statusBar => await statusBar.HideAsync());
Guid key = (Guid)e.Parameter;
ClientRepository repository = new ClientRepository();
IClient client = repository.FindRemote(key);
if (client == null)
{
client = repository.FindLocal();
}
if (client == null)
{
throw Ensure.Exception.ArgumentOutOfRange("parameter", "Unnable to find a client with key '{0}'.", key);
}
DataContext = new ImageViewModel(client);
ViewModel.PropertyChanged += OnViewModelPropertyChanged;
ViewModel.DownloadCompleted += m =>
{
ShowError(string.Empty);
ImageList.SelectedIndex = ViewModel.Images.Count - 1;
};
ViewModel.DownloadFailed += type =>
{
switch (type)
{
case DownloadImageCommand.FailType.ClientError:
ShowError("Downloading failed");
break;
case DownloadImageCommand.FailType.Cancelled:
ShowError("Downloading cancelled");
break;
default:
ShowError("Unknown error while downloading the image");
Debug.Fail($"Missing switch for {type}.");
break;
}
};
ViewModel.SaveCompleted += () => ShowInfo("Saved");
ViewModel.SaveFailed += () => ShowError("Something went wrong saving the image");
ViewModel.CheckStatus.Execute(null);
}
protected override async void OnNavigatedFrom(NavigationEventArgs e)
{
base.OnNavigatedFrom(e);
await StatusBarProvider.TryExecuteAsync(async statusBar => await statusBar.ShowAsync());
}