private void SetChoice(int chosenChoiceNo)
{
//this.choices = new ObservableCollection<ChoiceSelector>();
int i = 1;
if (QuestionSelect.Question.Choices.Count() > 0)
{
foreach (var item in QuestionSelect.Question.Choices)
{
ChoiceSelector choice = new ChoiceSelector()
{
ChoiceNo = i,
_id = item._id,
Detail = item.Detail,
IsCorrect = false,
IsSelected = i == chosenChoiceNo,
QuestionNo = QuestionSelect.Question.QuestionNumber
};
if (TestingData.State == "CheckAnswer")
{
choice.IsCorrect = item.IsCorrect.HasValue ? item.IsCorrect.Value : false;
choice.IsSelected = item._id == QuestionSelect.Question.UserAnswer?._id;
}
ChoiceViewModel c = new ChoiceViewModel();
c.Choice = choice;
c.ChoiceNo = choice.ChoiceNo;
c.Callback = SetCurrentChoice;
if (choice.ChoiceNo == 1)
{
First = c;
}
else if (choice.ChoiceNo == 2)
{
Second = c;
}
else if (choice.ChoiceNo == 3)
{
Third = c;
}
else if (choice.ChoiceNo == 4)
{
Fourth = c;
}
i++;
}
}
}
public ExamViewModel()
{
if (!DesignerProperties.GetIsInDesignMode(new System.Windows.DependencyObject()))
{
svc = new OnsiteServices();
CurrentSheet = new ExamSheetResponse();
CurrentSheet = TestingData.sheet;
IsTimpUp = false;
State = TestingData.State;
BorderColor = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromRgb(0, 0, 0));
First = new ChoiceViewModel {
Callback = SetCurrentChoice
};
Second = new ChoiceViewModel {
Callback = SetCurrentChoice
};
Third = new ChoiceViewModel {
Callback = SetCurrentChoice
};
Fourth = new ChoiceViewModel {
Callback = SetCurrentChoice
};
QuestionSelect = new QuestionViewModel {
Callback = SetQPreview
};
ChoiceSelect = new ChoiceSelector();
SelectIndex = 0;
currentQuestionNo = 1;
CurrentAnswer = new Answer();
Answers = new List <Answer>();
InitializeAnswers();
//MainExamVisibility = Visibility.Collapsed;
//ExamAns = new ExamAnsViewModel();
//ExamAns.Answers = Answers;
QuestionSelect = new QuestionViewModel();
#region TimeCal
if (TestingData.State != "CheckAnswer" && this.IsTimpUp == false)
{
Duration = new TimeSpan(0, 0, TestingData.TestDuration);
DisplayDuration = Duration.ToString();
Timer = new DispatcherTimer
{
Interval = TimeSpan.FromSeconds(1)
};
Timer.Tick += (sndr, se) =>
{
if (Duration <= new TimeSpan(0, 0, 0))
{
SendResult();
if (this.IsTimpUp)
{
SendResultEvent(this, new Models.SendResultArgs {
IsTimeUp = true
});
this.IsTimpUp = false;
}
}
Duration = Duration.Subtract(TimeSpan.FromSeconds(1));
TestingData.TestDuration = (int)Duration.TotalSeconds;
DisplayDuration = Duration.ToString();
};
Timer.Start();
}
#endregion TimeCal
ProfilePhoto = TestingData.ProfilePhoto;
FullName = TestingData.sheet.FirstName + " " + TestingData.sheet.LastName;
SubjectName = TestingData.sheet.SubjectName;
TestingData.Activity = StudentActivity.Testing; // ART
//if (Answers.Count() == 0)
//{
// InitializeAnswers();
//}
//set current question choice
SetCurrentQuestion(currentQuestionNo);
MainExamVisibility = Visibility.Visible;
ExamAnsVisibility = Visibility.Collapsed;
SendExamVisibility = Visibility.Collapsed;
AlertResult = Visibility.Collapsed;
BtnChooseVisibility = Visibility.Collapsed;
}
}