public QuestionViewModel(Question model)
{
Model = model;
Answers = new ObservableCollection<PairViewModel>();
foreach (Pair<string, bool> answer in Model.Answers)
Answers.Add(new PairViewModel(answer));
PropertyChanged += QuestionViewModel_PropertyChanged;
}
public Answersheet(Question q)
{
SelectedQuestion = q;
Answerkeys = new ObservableCollection<Pair<string, bool>>();
GivenAnswers = new ObservableCollection<string>();
List<Pair<string, bool>> tAnswer = new List<Pair<string, bool>>(q.Answers);
tAnswer.Shuffle();
foreach (Pair<string, bool> answer in tAnswer)
Answerkeys.Add(new Pair<string, bool>(answer.First, false));
}
private void AddQuestion_Command(object param)
{
Question q = new Question();
q.QuestionText = "Neue Frage";
QuestionViewModel sel = param as QuestionViewModel;
if (sel != null)
q.Category = sel.Category;
Model.Add(q);
QuestionViewModel qvm = new QuestionViewModel(q);
qvm.PropertyChanged += qvm_PropertyChanged;
Questions.Add(qvm);
App.SaveQuestionsAsync();
}
