//Thread for saving the graded test (and sometimes the practice test
void backgroundWorkerSaveTest_DoWork(object sender, DoWorkEventArgs e)
{
switch (this.Tag.ToString())
{
case "placement":
//just insert the graded test
MathWizDB.InsertGradedTest(gradedPlacementTest, student.Id, gradedPlacementTest.PlacementTest.Id, "Placement Test", gradedPlacementTest.RecommendedLevel);
//update student's mastery level
MathWizDB.UpdateMasteryLevel(student.Username, gradedPlacementTest.RecommendedLevel);
break;
case "practice":
//first insert the test since the teacher did not make it, but the student just generated it
gradedPracticeTest.PracticeTest.Id = MathWizDB.InsertTest(klass.Id, gradedPracticeTest.PracticeTest, "Practice Test", 0, gradedPracticeTest.PracticeTest.MinLevel, gradedPracticeTest.PracticeTest.MaxLevel);
//then insert the graded test. The insertGradedTest method also inserts the graded Questions
gradedPracticeTest.Id = MathWizDB.InsertGradedTest(gradedPracticeTest, student.Id, gradedPracticeTest.PracticeTest.Id, "Practice Test");
break;
case "mastery":
//just insert the graded test
MathWizDB.InsertGradedTest(gradedMasteryTest, student.Id, gradedMasteryTest.MasteryTest.Id, "Mastery Test", 0, 1, gradedMasteryTest.Passed);
break;
}
}
private void btnChange_Click(object sender, EventArgs e)
{
if (Validation.IsInteger(txtNewMasteryLevel) && Validation.IsWithinRangeInclusive(txtNewMasteryLevel, 12, 0))
{
int newML = Convert.ToInt32(txtNewMasteryLevel.Text);
MathWizDB.UpdateMasteryLevel(username, newML);
this.Close();
}
}
//MARK Button Handlers
private void btnStartFinish_Click(object sender, EventArgs e)
{
if (btnStartFinish.Text == "Start Test") //start test, show the first question
{
testFinished = false;
btnStartFinish.Text = "Finish Test";
btnStartFinish.Hide();
gbxQuestion.Show();
currentQuestionNum = 0; //array starts at 0
timerTest.Start();
switch (this.Tag.ToString())
{
case "placement":
ShowQuestion(gradedPlacementTest.PlacementTest.Questions[currentQuestionNum]);
break;
case "practice":
ShowQuestion(gradedPracticeTest.PracticeTest.Questions[currentQuestionNum]);
break;
case "mastery":
ShowQuestion(gradedMasteryTest.MasteryTest.Questions[currentQuestionNum]);
break;
}
}
else if (btnStartFinish.Text == "Finish Test") //finish test, record score, write score to db
{
switch (this.Tag.ToString()) //record information for the completed test
{
case "placement":
gradedPlacementTest.Score = (decimal)gradedPlacementTest.CorrectlyAnsweredQuestions.Count / (decimal)(gradedPlacementTest.CorrectlyAnsweredQuestions.Count + (decimal)gradedPlacementTest.WronglyAnsweredQuestions.Count) * 100;
gradedPlacementTest.TimeTakenToComplete = gradedPlacementTest.PlacementTest.TimeLimit - TimeSpan.ParseExact(lblTimerTest.Text, "mm\\:ss", CultureInfo.InvariantCulture);
gradedPlacementTest.DateTaken = DateTime.Now;
gradedPlacementTest.Feedback = gradedPlacementTest.Score.ToString();
int minLevelWrong = 12;
for (int i = 0; i < gradedPlacementTest.WronglyAnsweredQuestions.Count; i++)
{
if (gradedPlacementTest.WronglyAnsweredQuestions[i].Question.MasteryLevel < minLevelWrong)
{
minLevelWrong = gradedPlacementTest.WronglyAnsweredQuestions[i].Question.MasteryLevel;
}
}
gradedPlacementTest.RecommendedLevel = minLevelWrong;
MessageBox.Show("You have been placed at Mastery Level: " + gradedPlacementTest.RecommendedLevel.ToString() + "\nYour Score was: " + gradedPlacementTest.Score.ToString("###.##"));
break;
case "practice":
gradedPracticeTest.Score = (decimal)gradedPracticeTest.CorrectlyAnsweredQuestions.Count / (decimal)(gradedPracticeTest.CorrectlyAnsweredQuestions.Count + (decimal)gradedPracticeTest.WronglyAnsweredQuestions.Count) * 100;
gradedPracticeTest.TimeTakenToComplete = gradedPracticeTest.PracticeTest.TimeLimit - TimeSpan.ParseExact(lblTimerTest.Text, "mm\\:ss", CultureInfo.InvariantCulture);
gradedPracticeTest.DateTaken = DateTime.Now;
gradedPracticeTest.Feedback = gradedPracticeTest.Score.ToString();
MessageBox.Show("Your Score was: " + gradedPracticeTest.Score.ToString());
break;
case "mastery":
gradedMasteryTest.Score = (decimal)gradedMasteryTest.CorrectlyAnsweredQuestions.Count / (decimal)(gradedMasteryTest.CorrectlyAnsweredQuestions.Count + (decimal)gradedMasteryTest.WronglyAnsweredQuestions.Count) * 100;
gradedMasteryTest.TimeTakenToComplete = gradedMasteryTest.MasteryTest.TimeLimit - TimeSpan.ParseExact(lblTimerTest.Text, "mm\\:ss", CultureInfo.InvariantCulture);
gradedMasteryTest.DateTaken = DateTime.Now;
gradedMasteryTest.Feedback = gradedMasteryTest.Score.ToString();
if (gradedMasteryTest.Score > gradedMasteryTest.MasteryTest.PassThreshhold) //determine whether they passed or not.
{
gradedMasteryTest.Passed = true;
MathWizDB.UpdateMasteryLevel(student.Username, ++student.MasteryLevel); //bump the master level up
MessageBox.Show("You scored " + gradedMasteryTest.Score.ToString("###.##") + " and have now passed to level " + student.MasteryLevel);
}
else
{
gradedMasteryTest.Passed = false;
MessageBox.Show("You scored " + gradedMasteryTest.Score.ToString("###.##") + " and will need to take this test again");
}
break;
}
//write test to database in another thread
backgroundWorkerSaveTest.RunWorkerAsync();
}
}
