//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 btnCreateTest_Click(object sender, EventArgs e)
{
btnCreateTest.Text = "Creating Test";
btnCreateTest.Enabled = false;
//if form validation is good then
if (ValidateForm())
{
int numberOfQuestions = Convert.ToInt32(cboNumberOfQuestions.SelectedItem);
int numberOfQuestionsPerML = numberOfQuestions / 12; //take a few questions from each mastery level
TimeSpan questionTimeLimit = new TimeSpan(0, 1, 0);
PlacementTest placementTest = new PlacementTest();
for (int ml = 1; ml <= 12; ml++) //get questions from each mastery level
{
//make custom timelimits for each question depending on complexity
questionTimeLimit = CalculateQuestionTimeLimit(cboQuestionSpeed.SelectedItem.ToString(), ml);
//get the questions for just the current mastery level in this for loop
List <Question> tempQuestionList = Question.GenerateRandomQuestions(ml, questionTimeLimit, numberOfQuestionsPerML);
foreach (Question q in tempQuestionList) //add current mastery level questions to the actual placement test
{
placementTest.Questions.Add(q);
}
}
//set other attributes of the test
placementTest.MinLevel = 1;
placementTest.MaxLevel = 12;
placementTest.TimeLimit = TimeSpan.FromTicks(questionTimeLimit.Ticks * numberOfQuestions);
//insert it
placementTest.Id = MathWizDB.InsertTest(klassID, placementTest, "Placement Test", 0, placementTest.MinLevel, placementTest.MaxLevel);
this.Close();
if (placementTest.Id > 0)
{
MessageBox.Show("Your new randomly generated Placement test has been created");
}
else
{
MessageBox.Show("Failed to create placement test", "error");
}
}
else
{
MessageBox.Show("A placement test has already been created for this class.", "error");
}
btnCreateTest.Text = "Create Test";
btnCreateTest.Enabled = true;
}
private void btnGenerateTests_Click(object sender, EventArgs e)
{
btnGenerateTests.Text = "Generating Tests";
btnGenerateTests.Enabled = false;
for (int ml = 1; ml <= 12; ml++)
{
MasteryTest masteryTest = new MasteryTest();
int numberOfQuestions;
TimeSpan questionTimeLimit = new TimeSpan(0, 1, 0);
TimeSpan testTimeLimit = new TimeSpan(1, 0, 0);
decimal passThreshhold = 1;
numberOfQuestions = Convert.ToInt32(cboNumberOfQuestions.SelectedItem);
switch (cboQuestionSpeed.SelectedItem.ToString())
{
case "Slow":
if (ml >= 1 && ml <= 3)
{
questionTimeLimit = new TimeSpan(0, 0, 45);
}
else if (ml >= 4 && ml <= 6)
{
questionTimeLimit = new TimeSpan(0, 1, 0);
}
else if (ml >= 7 && ml <= 9)
{
questionTimeLimit = new TimeSpan(0, 0, 45);
}
else if (ml >= 10 && ml <= 12)
{
questionTimeLimit = new TimeSpan(0, 3, 0);
}
break;
case "Medium":
if (ml >= 1 && ml <= 3)
{
questionTimeLimit = new TimeSpan(0, 0, 30);
}
else if (ml >= 4 && ml <= 6)
{
questionTimeLimit = new TimeSpan(0, 0, 45);
}
else if (ml >= 7 && ml <= 9)
{
questionTimeLimit = new TimeSpan(0, 0, 30);
}
else if (ml >= 10 && ml <= 12)
{
questionTimeLimit = new TimeSpan(0, 2, 0);
}
break;
case "Fast":
if (ml >= 1 && ml <= 3)
{
questionTimeLimit = new TimeSpan(0, 0, 15);
}
else if (ml >= 4 && ml <= 6)
{
questionTimeLimit = new TimeSpan(0, 0, 30);
}
else if (ml >= 7 && ml <= 9)
{
questionTimeLimit = new TimeSpan(0, 0, 15);
}
else if (ml >= 10 && ml <= 12)
{
questionTimeLimit = new TimeSpan(0, 1, 0);
}
break;
}
switch (cboPassThreshhold.SelectedItem.ToString())
{
case "70%":
passThreshhold = .7m;
break;
case "80%":
passThreshhold = .8m;
break;
case "90%":
passThreshhold = .9m;
break;
case "95%":
passThreshhold = .95m;
break;
case "100%":
passThreshhold = 1m;
break;
}
masteryTest.MasteryLevel = ml;
masteryTest.Questions = Question.GenerateRandomQuestions(ml, questionTimeLimit, numberOfQuestions);
masteryTest.TimeLimit = TimeSpan.FromTicks(questionTimeLimit.Ticks * numberOfQuestions);
masteryTest.PassThreshhold = passThreshhold;
masteryTest.RandomlyGenerated = true;
MathWizDB.InsertTest(klassID, masteryTest, "Mastery Test", masteryTest.PassThreshhold, masteryTest.MasteryLevel, masteryTest.MasteryLevel);
this.DialogResult = DialogResult.OK;
this.Close();
}
btnGenerateTests.Text = "Generate Tests";
btnGenerateTests.Enabled = false;
}