public HiraganaCourseViewModel(Item item = null)
{
Title = item?.Text;
Item = item;
NextCommand = new Command(() => Next());
var temp = HiraganaCoursesData.Courses[Item.Id];
if (temp != null)
{
NextStep = temp.Next;
foreach (var data in temp.Items)
{
Data.Add(data);
}
}
if (Data.Count > 0)
{
DataCount = Data.Count;
int index = new Random().Next(0, Data.Count - 1);
CurrentItem = Data[index];
JapaneseCharacterText = CurrentItem.JapanCharacter;
EnglishCharacterText = CurrentItem.EnglishCharacter;
Data.Remove(CurrentItem);
PlaySound();
}
}
void Next()
{
if (IsBusy)
{
return;
}
IsBusy = true;
LearnedCount++;
if (LearnedCount > DataCount)
{
LearnedCount = DataCount;
}
float currentProgress = ((float)LearnedCount / (float)DataCount) * 100f;
if (currentProgress > 100)
{
currentProgress = 100;
}
Progress = currentProgress / 100;
ProgressText = ((int)currentProgress) + "%";
//TODO - Set has learned: CurrentItem
if (Data.Count > 0)
{
int index = new Random().Next(0, Data.Count - 1);
CurrentItem = Data[index];
JapaneseCharacterText = CurrentItem.JapanCharacter;
EnglishCharacterText = CurrentItem.EnglishCharacter;
Data.Remove(CurrentItem);
PlaySound();
}
else
{
Settings.SetHiraganaProgression(Item.Id, LearningProgression.Learned);
if (!string.IsNullOrEmpty(NextStep))
{
if (NextStep.StartsWith("Hiragana_Course_"))
{
//Course
if (Settings.GetHiraganaProgression(NextStep) == LearningProgression.Locked)
{
Settings.SetHiraganaProgression(NextStep, LearningProgression.NotLearned);
}
}
else
{
//Exam
if (Settings.GetHiraganaExamProgression(NextStep) == ExamProgression.Locked)
{
Settings.SetHiraganaExamProgression(NextStep, ExamProgression.NotYetDone);
}
}
}
Settings.SaveSettings();
Audio.Manager.StopBackgroundMusic();
HiraganaListPage.Instance.RefreshList();
Page?.Close();
}
IsBusy = false;
}