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();
}
private void UI_Load(object sender, EventArgs e)
{
if (Properties.Settings.Default.FirstRun)
{
string OESFolderPath = Path.GetDirectoryName(Application.StartupPath);
string OESExamplesFolderPath = Path.Combine(OESFolderPath, "Examples");
if (Directory.Exists(OESExamplesFolderPath))
{
string[] oesFilePaths = Directory.GetFiles(OESExamplesFolderPath, "*.oef", SearchOption.TopDirectoryOnly);
List<string> paths = new List<string>();
foreach (string oesFile in oesFilePaths)
{
for (int i = 0; i < dgv_exams.Rows.Count; i++)
{
paths.Add(dgv_exams.Rows[i].Cells[1].Value.ToString());
}
if (!(paths.Exists(p => p == oesFile)))
{
dgv_exams.Rows.Add(Path.GetFileNameWithoutExtension(oesFile), oesFile);
}
}
Properties.Settings.Default.FirstRun = false;
Properties.Settings.Default.Save();
}
else
{
Properties.Settings.Default.FirstRun = false;
Properties.Settings.Default.Save();
}
}
Dictionary<string, string> exams = new Dictionary<string, string>();
if (Properties.Settings.Default.ExamPaths != null)
{
for (int i = 0; i < Properties.Settings.Default.ExamPaths.Count; i++)
{
exams.Add(Properties.Settings.Default.ExamPaths[i], Properties.Settings.Default.ExamTitles[i]);
}
}
dgv_exams.Rows.Clear();
foreach (var exam in exams)
{
dgv_exams.Rows.Add(exam.Value, exam.Key);
}
//Select opened file
if (!string.IsNullOrWhiteSpace(openedFilePath))
{
foreach(DataGridViewRow row in dgv_exams.Rows)
{
if (row.Cells[1].Value.ToString() == openedFilePath)
{
row.Selected = true;
}
}
}
}
public static List<Question> GetQuestions(string ExamFilesFolderPath)
{
List<Question> result = new List<Question>();
string fileName = ExamFilesFolderPath.Replace(Path.GetDirectoryName(ExamFilesFolderPath), "");
string[] sections = Question.GetSections(Properties.Settings.Default.SelectedSections);
string xmlFilePath = GlobalPathVariables.GetXmlFilePath(ExamFilesFolderPath);
XPathDocument doc = new XPathDocument(xmlFilePath);
XPathNavigator nav = doc.CreateNavigator();
XmlNamespaceManager nm = new XmlNamespaceManager(nav.NameTable);
// Compile a standard XPath expression
XPathExpression expr;
XPathNodeIterator iterator;
string version = "";
expr = nav.Compile("//FileVersion");
iterator = nav.Select(expr);
while(iterator.MoveNext())
{
version = iterator.Current.Value;
}
for (int i = 0; i < sections.Length; i++)
{
expr = nav.Compile("//Section[@Title='" + sections[i] + "']/Question");
iterator = nav.Select(expr);
// Iterate on the node set
while (iterator.MoveNext())
{
Question ques = new Question();
ques.SectionTitle = sections[i];
ques.QuestionNumber = Convert.ToInt32(iterator.Current.GetAttribute("No", nm.DefaultNamespace));
Dictionary<char, string> options = new Dictionary<char, string>();
XPathNodeIterator iter = iterator.Current.SelectChildren(XPathNodeType.Element);
while (iter.MoveNext())
{
if (iter.Current.LocalName == "Text")
{
ques.QuestionText = iter.Current.Value;
}
else if (iter.Current.LocalName == "Image")
{
ques.QuestionImagePath = iter.Current.Value;
}
else if (iter.Current.LocalName == "Answer")
{
ques.QuestionAnswer = Convert.ToChar(iter.Current.Value);
}
if (iter.Current.LocalName == "Options")
{
XPathNodeIterator ite = iter.Current.SelectChildren(XPathNodeType.Element);
while (ite.MoveNext())
{
char option;
string optionText;
string tempp = ite.Current.GetAttribute("Title", nm.DefaultNamespace);
option = Convert.ToChar(tempp);
optionText = ite.Current.Value;
options.Add(option, optionText);
}
ques.QuestionOptions = options;
}
if (version == "1.0")
{
ques.AnswerExplanation = "Version 1.0 files do not support explanations";
}
else
{
if (iterator.Current.LocalName == "AnswerExplanation")
ques.AnswerExplanation = iterator.Current.Value;
}
}
result.Add(ques);
}
}
return result;
}
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();
}
}