private async void DeleteButton_Click(object sender, RoutedEventArgs e)
{
LoadingRect.Visibility = Visibility.Visible;
MainProgressRing.IsActive = true;
var items = MainList.Items.Where(item => ((item as RouteListing)?.IsChecked).GetValueOrDefault(false)).Select(item => (RouteListing)item).ToArray();
bool sure = false;
MessageDialog dialog = new MessageDialog("If you delete these routes, you won't be able to see their schedules unless you are connected to the internet.", "Delete routes?");
dialog.Commands.Add(new UICommand("Delete Routes", new UICommandInvokedHandler((cmd) => sure = true)));
dialog.Commands.Add(new UICommand("Cancel", new UICommandInvokedHandler((cmd) => sure = false)));
await dialog.ShowAsync();
if (sure)
{
await DownloadManager.DeleteRoutes(items);
}
MainProgressRing.IsActive = false;
LoadingRect.Visibility = Visibility.Collapsed;
}
private async void CancelButton_Click(object sender, RoutedEventArgs e)
{
var cancel = true;
MessageDialog dialog = new MessageDialog("This will stop downloading and delete what was downloaded of the selected routes. Are you sure?", "Cancel Downloads?");
dialog.Commands.Add(new UICommand("Yes", new UICommandInvokedHandler((cmd) => cancel = false)));
dialog.Commands.Add(new UICommand("No", new UICommandInvokedHandler((cmd) => cancel = true)));
await dialog.ShowAsync();
if (cancel)
{
return;
}
LoadingRect.Visibility = Visibility.Visible;
MainProgressRing.IsActive = true;
DownloadsCancellationTokenSource.Cancel();
DownloadsCancellationTokenSource = new CancellationTokenSource();
await DownloadsTask;
var items = MainList.Items.Where(item => ((item as RouteListing)?.IsChecked).GetValueOrDefault(false)).Select(item => (RouteListing)item).ToArray();
await DownloadManager.DeleteRoutes(items);
MainProgressRing.IsActive = false;
LoadingRect.Visibility = Visibility.Collapsed;
}