private void NavigateExam(NavOption option)
{
lbl_explanation.Visible = false;
if (option == NavOption.Begin)
{
if (_settings.Questions.Count > 0)
{
_currentQuestionIndex = 0;
PrintQuestionToScreen();
}
if (_settings.Questions.Count > 1)
{
btn_next.Enabled = true;
}
}
else if (option == NavOption.Next)
{
//Save current answer
_userAnswers[_currentQuestionIndex] = SelectedAnswer();
RemoveOptions();
_currentQuestionIndex++;
PrintQuestionToScreen();
btn_previous.Enabled = true;
if (_currentQuestionIndex == _settings.Questions.Count - 1)
{
btn_next.Enabled = false;
}
}
else if (option == NavOption.Previous)
{
//Save current answer
_userAnswers[_currentQuestionIndex] = SelectedAnswer();
RemoveOptions();
_currentQuestionIndex--;
PrintQuestionToScreen();
btn_next.Enabled = true;
if (_currentQuestionIndex == 0)
{
btn_previous.Enabled = false;
}
}
else if (option == NavOption.End)
{
//Save current answer
_userAnswers[_currentQuestionIndex] = SelectedAnswer();
for (int i = 0; i < _userAnswers.Length; i++)
{
if (_userAnswers[i] == null)
{
_userAnswers[i] = '\0';
}
}
_settings.ElapsedTime = TimeSpan.FromSeconds(_exam.Properties.TimeLimit * 60 - _timeLeft);
var numOfCorrectAnswers = 0;
for (var i = 0; i < _settings.Questions.Count; i++)
{
if (_userAnswers[i].GetType().IsArray)
{
if (((char[])_userAnswers[i]).SequenceEqual(_settings.Questions[i].Answers))
{
numOfCorrectAnswers++;
}
}
else if ((char)_userAnswers[i] == _settings.Questions[i].Answer)
{
numOfCorrectAnswers++;
}
}
_settings.NumberOfCorrectAnswers = numOfCorrectAnswers;
foreach (var section in _settings.Sections)
{
var numOfQuestions = 0;
var numOfCorrect = 0;
for (var i = 0; i < _settings.Questions.Count; i++)
{
if (section.Questions.Contains(_settings.Questions[i]))
{
numOfQuestions++;
if (_userAnswers[i].GetType().IsArray)
{
if (((char[])_userAnswers[i]).SequenceEqual(_settings.Questions[i].Answers))
{
numOfCorrect++;
}
}
else if ((char)_userAnswers[i] == _settings.Questions[i].Answer)
{
numOfCorrect++;
}
}
}
_settings.ResultSpread.Add(new Tuple <string, int, int>(section.Title, numOfQuestions,
numOfCorrect));
}
var ss = new ScoreSheetUi(_settings, _exam);
Hide();
ss.ShowDialog();
Close();
}
}
private void NavigateExam(NavOption option)
{
lbl_explanation.Visible = false;
//
if (option == NavOption.Begin)
{
if (settings.Questions.Count > 0)
{
currentQuestionIndex = 0;
PrintQuestionToScreen();
}
//
if (settings.Questions.Count > 1)
{
btn_next.Enabled = true;
}
}
else if (option == NavOption.Next)
{
//Save current answer
userAnswers[currentQuestionIndex] = SelectedAnswer();
//
RemoveOptions();
//
currentQuestionIndex++;
PrintQuestionToScreen();
//
btn_previous.Enabled = true;
//
if (currentQuestionIndex == settings.Questions.Count - 1)
{
btn_next.Enabled = false;
}
}
else if (option == NavOption.Previous)
{
//Save current answer
userAnswers[currentQuestionIndex] = SelectedAnswer();
//
RemoveOptions();
//
currentQuestionIndex--;
PrintQuestionToScreen();
//
btn_next.Enabled = true;
//
if (currentQuestionIndex == 0)
{
btn_previous.Enabled = false;
}
}
else if (option == NavOption.End)
{
//Save current answer
userAnswers[currentQuestionIndex] = SelectedAnswer();
//
settings.ElapsedTime = TimeSpan.FromSeconds(exam.Properties.TimeLimit * 60 - timeLeft);
//
int numOfCorrectAnswers = 0;
for (int i = 0; i < settings.Questions.Count; i++)
{
if (userAnswers[i] == settings.Questions[i].Answer)
{
numOfCorrectAnswers++;
}
}
settings.NumberOfCorrectAnswers = numOfCorrectAnswers;
//
foreach (var section in settings.Sections)
{
int numOfQuestions = 0;
int numOfCorrect = 0;
for (int i = 0; i < settings.Questions.Count; i++)
{
if (section.Questions.Contains(settings.Questions[i]))
{
numOfQuestions++;
if (userAnswers[i] == settings.Questions[i].Answer)
{
numOfCorrect++;
}
}
}
settings.ResultSpread.Add(new Tuple <string, int, int>(section.Title, numOfQuestions, numOfCorrect));
}
//
Score_Sheet ss = new Score_Sheet(settings, exam);
this.Hide();
ss.ShowDialog();
this.Close();
}
}
