/// <summary>
/// Adds question this view model will be based on
/// NOTE: needs to be done before attaching this view model to the page
/// </summary>
/// <param name="question">The question to be attached to this viewmodel</param>
/// <param name="ReadOnly">Indicates if this viewmodel is readonly</param>
public void AttachQuestion(MultipleChoiceQuestion question, bool ReadOnly = false)
{
// Get the question
Question = question;
// Convert the list of string to list of ABCAnswerItemViewModel
Options = ListConvertFromStringQuestion(Question.Options);
IsReadOnly = ReadOnly;
if (IsReadOnly)
{
// Set the correct answer selected so it's green initially
Options[Question.CorrectAnswerIndex].IsSelected = true;
// If the answer is null, return (means that the user gave no answer to this question)
if (UserAnswer == null)
{
NoAnswer = true;
return;
}
else
{
if (question.CheckAnswer(UserAnswer) > 0)
{
IsAnswerCorrect = true;
}
}
// Set the user's answer selected so it's green
Options[UserAnswer.SelectedAnswerIndex].IsSelected = true;
// Mark the user's answer to display "Your answer" sign
Options[UserAnswer.SelectedAnswerIndex].IsAnswerGivenByTheUser = true;
// Indicate if the user's answer is correct
Options[UserAnswer.SelectedAnswerIndex].IsAnswerCorrect = IsAnswerCorrect;
}
}
