private void ExecuteEditQuestionCommand(Object parameter)
{
var view = new TecherFormAddAndEditQuestions();
var vm = new AddEditQuestionViewModel();
vm.Question = new Question()
{
Answers = new List <Answer>(SelectedQuestion.Answers),
Id = SelectedQuestion.Id,
Content = SelectedQuestion.Content,
Created = SelectedQuestion.Created,
Modifiyed = SelectedQuestion.Modifiyed,
Image = SelectedQuestion.Image
};
vm.AnswerCollection = new ObservableCollection <Answer>(vm.Question.Answers);
vm.Window = view;
view.DataContext = vm;
var result = view.ShowDialog();
if (result.HasValue && result.Value)
{
vm.Question.Answers = new List <Answer>(vm.AnswerCollection);
var editResult = DBDataSource.EditQuestion(vm.Question);
if (editResult)
{
QuestionCollection = new ObservableCollection <Question>(DBDataSource.GetQuestions());
}
}
}
private void ExecuteNewQuestionCommand(Object parameter)
{
var view = new TecherFormAddAndEditQuestions();
var vm = new AddEditQuestionViewModel();
vm.Question = new Question();
vm.IsNewQuestion = true;
vm.Window = view;
view.DataContext = vm;
var result = view.ShowDialog();
if (result.HasValue && result.Value)
{
vm.Question.Answers = new List <Answer>(vm.AnswerCollection);
var questionid = DBDataSource.AddNewQuestion(vm.Question, NavigationHelper.CurrrentTest.Id);
if (questionid > 0)
{
//Добавление вопроса в UI
vm.Question.Id = questionid;
QuestionCollection.Add(vm.Question);
}
}
}