/// <summary>
/// Submits the current answer.
/// </summary>
private void SubmitAnswer()
{
if (string.IsNullOrEmpty(CurrentAnswer) ||
CurrentQuestion == null)
{
// Do not evaluate an empty answer.
return;
}
// Convert the answer to kana if necessary.
if (CurrentQuestion.Question == SrsQuestionEnum.Reading)
{
CurrentAnswer = KanaHelper.RomajiToKana(CurrentAnswer);
}
// Determine if the answer is correct.
bool success = IsAnswerCorrect();
// Set the review state accordingly.
// Other operations will be executed when we move on to another question.
ReviewState = success ? SrsReviewStateEnum.Success : SrsReviewStateEnum.Failure;
// Play audio if auto play enabled.
if (CurrentQuestion.Question == SrsQuestionEnum.Reading &&
CurrentQuestionGroup.IsVocab &&
((success && Properties.Settings.Default.AudioAutoplayMode.ShouldPlayOnSuccess()) ||
(!success && Properties.Settings.Default.AudioAutoplayMode.ShouldPlayOnFailure())))
{
AudioBusiness.PlayVocabAudio(CurrentQuestionGroup.Audio);
}
// If we have a failure: trigger the timer.
if (ReviewState == SrsReviewStateEnum.Failure)
{
_canSubmit = false;
DispatcherTimer timer = new DispatcherTimer();
timer.Interval = FailureSubmitDelay;
timer.Tick += OnFailureSubmitTimerTick;
timer.Start();
}
// If it was a success on the last question of the group, allow level up/down preview.
else if (CurrentQuestionGroup.GetUnansweredQuestions().Count() == 1)
{
SrsLevelStore.Instance.IssueWhenLoaded(
() => {
DispatcherHelper.Invoke(() => {
PreviewNextLevel = GetUpdatedLevel(CurrentQuestionGroup);
});
});
}
}
/// <summary>
/// Command callback.
/// Called to play the audio of the given vocab.
/// </summary>
/// <param name="vocab">Vocab to play.</param>
private void OnPlayAudio(ExtendedVocab vocab)
{
AudioBusiness.PlayVocabAudio(vocab.Audio);
}