public void DisplayQuestion (NavigationOption option)
{
lbl_question_number.Visible = true;
lbl_answer_explanation.Visible = false;
lbl_section_title.Visible = true;
label2.Visible = true;
label3.Visible = true;
txt_question.Visible = true;
pic_image.Visible = true;
if (option == NavigationOption.Begin)
{
currentQuestionIndex = 0;
Question question = questions.ElementAt(currentQuestionIndex);
lbl_question_number.Text = question.QuestionNumber.ToString();
lbl_section_title.Text = question.SectionTitle;
txt_question.Text = question.QuestionText;
lbl_answer_explanation.Text = question.AnswerExplanation;
if (!(string.IsNullOrWhiteSpace(question.QuestionImagePath)))
{
string imagePath = Path.Combine(GlobalPathVariables.GetExamFilesFolder(filename), question.QuestionImagePath);
pic_image.ImageLocation = imagePath;
}
for (int i = 0; i < question.QuestionOptions.Count; i++)
{
RadioButton rdb = new RadioButton();
rdb.AutoSize = true;
rdb.Text = question.QuestionOptions.ElementAt(i).Key + ". - " + question.QuestionOptions.ElementAt(i).Value;
rdb.Name = "rdb_" + question.QuestionOptions.ElementAt(i).Key;
rdb.Location = new Point(51, 464 + (i * 22));
pan_display.Controls.Add(rdb);
}
if ((Exam_Settings.ExamType.SelectedSections.ToString() == Properties.Settings.Default.ExamType && questions.Count == 1) || (Exam_Settings.ExamType.SelectedNumber.ToString() == Properties.Settings.Default.ExamType && Properties.Settings.Default.NumOfQuestions == 1))
btn_next.Enabled = false;
this.Invalidate();
}
if (option == NavigationOption.Previous)
{
//determine the selected answer for this question and save it before moving to the previous question
for (int j = pan_display.Controls.OfType<RadioButton>().Count() - 1; j >= 0; --j)
{
var ctrls = pan_display.Controls.OfType<RadioButton>();
var ctrl = ctrls.ElementAt(j);
if (((RadioButton)ctrl).Checked)
{
givenAnswers[currentQuestionIndex] = Convert.ToChar(ctrl.Name.Replace("rdb_", ""));
}
pan_display.Controls.Remove(ctrl);
ctrl.Dispose();
}
if (currentQuestionIndex > 0)
{
currentQuestionIndex -= 1;
Question question = questions.ElementAt(currentQuestionIndex);
lbl_question_number.Text = question.QuestionNumber.ToString();
lbl_section_title.Text = question.SectionTitle;
txt_question.Text = question.QuestionText;
lbl_answer_explanation.Text = question.AnswerExplanation;
if (string.IsNullOrWhiteSpace(question.QuestionImagePath))
{
pic_image.ImageLocation = "";
}
else
{
pic_image.ImageLocation = Path.Combine(GlobalPathVariables.GetExamFilesFolder(filename), question.QuestionImagePath);
}
for (int i = 0; i < question.QuestionOptions.Count; i++)
{
RadioButton rdb = new RadioButton();
rdb.AutoSize = true;
rdb.Text = question.QuestionOptions.ElementAt(i).Key + ". - " + question.QuestionOptions.ElementAt(i).Value;
rdb.Name = "rdb_" + question.QuestionOptions.ElementAt(i).Key;
rdb.Location = new Point(51, 464 + (i * 22));
if (question.QuestionOptions.ElementAt(i).Key == givenAnswers[currentQuestionIndex])
rdb.Checked = true;
pan_display.Controls.Add(rdb);
}
if (currentQuestionIndex == 0)
{
btn_previous.Enabled = false;
}
}
}
if (option == NavigationOption.Next)
{
//determine the selected answer for this question and save it before moving to the next question
for (int j = pan_display.Controls.OfType<RadioButton>().Count() - 1; j >= 0; --j)
{
var ctrls = pan_display.Controls.OfType<RadioButton>();
var ctrl = ctrls.ElementAt(j);
if (((RadioButton)ctrl).Checked)
{
givenAnswers[currentQuestionIndex] = Convert.ToChar(ctrl.Name.Replace("rdb_", ""));
}
pan_display.Controls.Remove(ctrl);
ctrl.Dispose();
}
currentQuestionIndex += 1;
Question question = questions.ElementAt(currentQuestionIndex);
lbl_question_number.Text = question.QuestionNumber.ToString();
lbl_section_title.Text = question.SectionTitle;
txt_question.Text = question.QuestionText;
lbl_answer_explanation.Text = question.AnswerExplanation;
if (string.IsNullOrWhiteSpace(question.QuestionImagePath))
{
pic_image.ImageLocation = "";
}
else
{
pic_image.ImageLocation = Path.Combine(GlobalPathVariables.GetExamFilesFolder(filename), question.QuestionImagePath);
}
for (int i = 0; i < question.QuestionOptions.Count; i++)
{
RadioButton rdb = new RadioButton();
rdb.AutoSize = true;
rdb.Text = question.QuestionOptions.ElementAt(i).Key + ". - " + question.QuestionOptions.ElementAt(i).Value;
rdb.Name = "rdb_" + question.QuestionOptions.ElementAt(i).Key;
rdb.Location = new Point(51, 464 + (i * 22));
if (question.QuestionOptions.ElementAt(i).Key == givenAnswers[currentQuestionIndex])
rdb.Checked = true;
pan_display.Controls.Add(rdb);
}
btn_previous.Enabled = true;
if ((Exam_Settings.ExamType.SelectedSections.ToString() == Properties.Settings.Default.ExamType && currentQuestionIndex == questions.Count - 1) || (Exam_Settings.ExamType.SelectedNumber.ToString() == Properties.Settings.Default.ExamType && currentQuestionIndex == Properties.Settings.Default.NumOfQuestions))
btn_next.Enabled = false;
this.Invalidate();
}
if (option == NavigationOption.End)
{
//determine the selected answer for this question and save it before ending the exam
for (int j = pan_display.Controls.OfType<RadioButton>().Count() - 1; j >= 0; --j)
{
var ctrls = pan_display.Controls.OfType<RadioButton>();
var ctrl = ctrls.ElementAt(j);
if (((RadioButton)ctrl).Checked)
{
givenAnswers[currentQuestionIndex] = Convert.ToChar(ctrl.Name.Replace("rdb_", ""));
}
pan_display.Controls.Remove(ctrl);
ctrl.Dispose();
}
//Stop the countdown timer
timer.Stop();
//determine how many answers are correct and get section details
int numOfCorrect = 0;
int total;
Dictionary<string, int> totalQuestionsPerSection = new Dictionary<string, int>();
Dictionary<string, int> rightQuestionsPerSection = new Dictionary<string, int>();
for (int i = 0; i < questions.Count; i++)
{
if (totalQuestionsPerSection.ContainsKey(questions.ElementAt(i).SectionTitle))
{
totalQuestionsPerSection[questions.ElementAt(i).SectionTitle] += 1;
}
else
{
totalQuestionsPerSection.Add(questions.ElementAt(i).SectionTitle, 1);
}
if (rightQuestionsPerSection.ContainsKey(questions.ElementAt(i).SectionTitle))
{
if (questions.ElementAt(i).QuestionAnswer == givenAnswers[i])
{
rightQuestionsPerSection[questions.ElementAt(i).SectionTitle] += 1;
numOfCorrect += 1;
}
}
else
{
rightQuestionsPerSection.Add(questions.ElementAt(i).SectionTitle, 0);
if (questions.ElementAt(i).QuestionAnswer == givenAnswers[i])
{
rightQuestionsPerSection[questions.ElementAt(i).SectionTitle] += 1;
numOfCorrect += 1;
}
}
}
total = questions.Count;
Score_Sheet scs;
if (Properties.Settings.Default.ExamType == Exam_Settings.ExamType.SelectedNumber.ToString())
{
scs = new Score_Sheet(totalSeconds / 60.0, examCode, ((numOfCorrect * 1000) / Properties.Settings.Default.NumOfQuestions), totalQuestionsPerSection, rightQuestionsPerSection);
}
else
{
scs = new Score_Sheet(totalSeconds / 60.0, examCode, ((numOfCorrect * 1000) / total), totalQuestionsPerSection, rightQuestionsPerSection);
}
this.Hide();
scs.ShowDialog();
this.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();
}
}
private void btn_end_Click(object sender, EventArgs e)
{
for (int j = pan_display.Controls.OfType<RadioButton>().Count() - 1; j >= 0; --j)
{
var ctrls = pan_display.Controls.OfType<RadioButton>();
var ctrl = ctrls.ElementAt(j);
if (((RadioButton)ctrl).Checked)
{
givenAnswers[questionIndex] = Convert.ToChar(ctrl.Name.Replace("rdb_", ""));
}
pan_display.Controls.Remove(ctrl);
ctrl.Dispose();
}
timer.Stop();
//determine how many answers are correct and get section details
int numOfCorrect = 0;
int total;
Dictionary<string, int> totalQuestionsPerSection = new Dictionary<string, int>();
Dictionary<string, int> rightQuestionsPerSection = new Dictionary<string, int>();
for (int i = 0; i < questions.Count; i++)
{
if (totalQuestionsPerSection.ContainsKey(questions.ElementAt(i).SectionTitle))
{
totalQuestionsPerSection[questions.ElementAt(i).SectionTitle] += 1;
}
else
{
totalQuestionsPerSection.Add(questions.ElementAt(i).SectionTitle, 1);
}
if (rightQuestionsPerSection.ContainsKey(questions.ElementAt(i).SectionTitle))
{
if (questions.ElementAt(i).QuestionAnswer == givenAnswers[i])
{
rightQuestionsPerSection[questions.ElementAt(i).SectionTitle] += 1;
numOfCorrect += 1;
}
}
else
{
rightQuestionsPerSection.Add(questions.ElementAt(i).SectionTitle, 0);
if (questions.ElementAt(i).QuestionAnswer == givenAnswers[i])
{
rightQuestionsPerSection[questions.ElementAt(i).SectionTitle] += 1;
numOfCorrect += 1;
}
}
}
total = questions.Count;
Score_Sheet scs = new Score_Sheet(Properties.Settings.Default.CandidatesName, Properties.Settings.Default.TimerValue, totalSeconds / 60, examCode, ((numOfCorrect * 1000)/ total), passingScore, totalQuestionsPerSection, rightQuestionsPerSection);
this.Hide();
scs.ShowDialog();
this.Close();
}