protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
switch (e.Parameter.ToString())
{
case "Addition":
_exercice = new Addition(Config.LearningMode);
break;
case "Multiplication":
_exercice = new Multiplication(Config.LearningMode);
break;
default:
throw new NotSupportedException("Opération inconnue : " + e.Parameter);
}
ShowOperation();
_getupppa.Tick += getupppa_Tick;
_getupppa.Start();
}
private async Task ShowMessage(ExerciceBase.Message message, bool continueExerciceAfterMessage = true)
{
_getupppa.Stop();
MessageTextBlock.Text = message.Text;
FullScreenMessagePanel.Visibility = Visibility.Visible;
ContentPanel.Visibility = Visibility.Collapsed;
InputPane.GetForCurrentView().TryHide();
using (_messagePanelCancellationTokenSource = new CancellationTokenSource())
{
try
{
await Task.Delay(message.Duration, _messagePanelCancellationTokenSource.Token);
}
catch (TaskCanceledException)
{
/* avoid ghost event that prevent the input field from keeping focus */
await Task.Delay(TimeSpan.FromSeconds(0.1));
}
}
if (continueExerciceAfterMessage)
{
_messagePanelCancellationTokenSource = null;
FullScreenMessagePanel.Visibility = Visibility.Collapsed;
ContentPanel.Visibility = Visibility.Visible;
_getupppa.Start();
}
}
