public INavigator RunTest(TestSet.TestsRow test)
{
return
(test.IsPractice
? (INavigator) new PracticeNavigator(test, this)
: (INavigator) new TestNavigator(test, this));
}
public WebTestController(TestSet.TestsRow testRow, Manager manager)
{
isPractice = testRow.IsPractice;
this.manager = manager;
this.testRow = testRow;
navigator = manager.RunTest(testRow);
}
public TestController(TestSet.TestsRow testRow, INavigator navigator, MainForm mainForm, Manager manager)
{
mainForm.RegisterTestController(this);
mainForm.Hide();
this.mainForm = mainForm;
isPractice = testRow.IsPractice;
this.testRow = testRow;
this.navigator = navigator;
this.manager = manager;
}
public NavigatorSkeleton(TestSet.TestsRow test, Manager manager)
{
this.manager = manager;
this.test = test;
manager.DataProvider.GetQuestionSetsByTestId(test.Id, sets);
setRemainedTime = new TimeSpan[sets.QuestionSets.Count];
resultRow = result.Results.AddResultsRow(manager.UserId, test.Id, DateTime.Now, DateTime.MaxValue, 0, "");
int i = 0;
foreach (QuestionSetSet.QuestionSetsRow row in sets.QuestionSets)
{
setRemainedTime[i] = row.IsTimeLimitNull() ? TimeSpan.MaxValue : new TimeSpan(0, row.TimeLimit, 0);
++i;
result.ResultsDetailsOfSets.AddResultsDetailsOfSetsRow(resultRow, row.Id, 0, (byte)i);
}
}
public TestNavigator(TestSet.TestsRow test, Manager manager) : base(test, manager)
{
questionsAnswers = new QuestionAnswerSet[sets.QuestionSets.Count, 3];
int i = 0, timeMin = 0;
foreach (QuestionSetSet.QuestionSetsRow set in sets.QuestionSets)
{
for (byte zoneIndex = 0; zoneIndex <= 2; ++zoneIndex)
{
QuestionAnswerSet qa = new QuestionAnswerSet();
manager.DataProvider.GetQuestionsAnswersByQuestionSetIdAndZone(set.Id, (byte)(zoneIndex + 1), qa);
questionsAnswers[i, zoneIndex] = qa;
}
++i;
totalQuestions += set.NumberOfQuestionsInZone1 + set.NumberOfQuestionsInZone2 +
set.NumberOfQuestionsInZone3;
questionsInZones[0] = set.NumberOfQuestionsInZone1;
questionsInZones[1] = set.NumberOfQuestionsInZone2;
questionsInZones[2] = set.NumberOfQuestionsInZone3;
if (timeMin >= 0)
{
if (set.IsTimeLimitNull())
{
timeMin = -1;
}
else
{
timeMin += set.TimeLimit;
}
}
}
base.NextSet += new SimpleMethod(TestNavigator_NextSet);
if (timeMin >= 0)
{
totalTime = new TimeSpan(0, timeMin, 0);
}
else
{
totalTime = TimeSpan.MaxValue;
}
}
private void DoTestById(int id)
{
//try
{
manager_.GetTests(testSet);
TestSet.TestsRow tr = testSet.Tests.FindById(id);
Session.Add("TestSet", testSet);
if (tr.IsPractice)
{
PracticeFormController pc = new PracticeFormController(tr, manager_);
Session.Add("IPracticeFormController", pc);
Session.Add("WebTestController", pc as WebTestController);
}
else
{
WebTestController webTestController = new WebTestController(tr, manager_);
Session.Add("WebTestController", webTestController);
}
Response.Redirect("descriptionwebform.aspx");
}
//catch (Exception) { }
}
public PracticeNavigator(TestSet.TestsRow test, Manager manager) : base(test, manager)
{
questionsAnswers = new QuestionAnswerSet[sets.QuestionSets.Count];
activeQuestionIndexes = new int[sets.QuestionSets.Count];
int i = 0;
int timeMin = 0;
totalQuestions = 0;
Random r = new Random();
foreach (QuestionSetSet.QuestionSetsRow set in sets.QuestionSets)
{
totalQuestions += set.NumberOfQuestionsToPick;
if (timeMin >= 0)
{
if (set.IsTimeLimitNull())
{
timeMin = -1;
}
else
{
timeMin += set.TimeLimit;
}
}
activeQuestionIndexes[i] = -1;
questionsAnswers[i] = new QuestionAnswerSet();
manager.DataProvider.GetQuestionsAnswersByQuestionSetId(set.Id, questionsAnswers[i]);
_explanationsDataTable = manager.DataProvider.GetExplanations(test.Id);
if (questionsAnswers[i].Questions.Count < set.NumberOfQuestionsToPick)
{
throw new Exception(
"Test is not valid: NumberOfQuestionsToPick is greater then total number of questions assigned to the test");
}
//Take random questions from the set so we have only NumberOfQuestionsToPick questions.
int count = questionsAnswers[i].Questions.Count;
if (set.NumberOfQuestionsToPick - questionsAnswers[i].Questions.Count < set.NumberOfQuestionsToPick / 2)
{
while (count != set.NumberOfQuestionsToPick)
{
int j;
do
{
j = r.Next(questionsAnswers[i].Questions.Count);
} while (questionsAnswers[i].Questions[j].RowState == DataRowState.Deleted);
questionsAnswers[i].Questions[j].Delete();
--count;
}
}
else
{
foreach (QuestionAnswerSet.QuestionsRow row in questionsAnswers[i].Questions)
{
row.Delete();
}
count = 0;
while (count != set.NumberOfQuestionsToPick)
{
int j;
do
{
j = r.Next(questionsAnswers[i].Questions.Count);
} while (questionsAnswers[i].Questions[j].RowState != DataRowState.Deleted);
questionsAnswers[i].Questions[j].RejectChanges();
++count;
}
}
questionsAnswers[i].Questions.AcceptChanges();
++i;
}
if (timeMin >= 0)
{
totalTime = new TimeSpan(0, timeMin, 0);
}
else
{
totalTime = TimeSpan.MaxValue;
}
SetActiveSet(sets.QuestionSets[0].Id);
SetActiveQuestion(questionsAnswers[0].Questions[0].Id);
}
public PracticeFormController(TestSet.TestsRow testRow, Manager manager)
: base(testRow, manager)
{
}
