public virtual Explanations.ExplanationsDataTable GetData(int testId)
{
this.Adapter.SelectCommand = this.CommandCollection[0];
this.Adapter.SelectCommand.Parameters[0].Value = ((int)(testId));
Explanations.ExplanationsDataTable dataTable = new Explanations.ExplanationsDataTable();
this.Adapter.Fill(dataTable);
return(dataTable);
}
public virtual int Fill(Explanations.ExplanationsDataTable dataTable, int testId)
{
this.Adapter.SelectCommand = this.CommandCollection[0];
this.Adapter.SelectCommand.Parameters[0].Value = ((int)(testId));
if ((this.ClearBeforeFill == true))
{
dataTable.Clear();
}
int returnValue = this.Adapter.Fill(dataTable);
return(returnValue);
}
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 virtual int Update(Explanations.ExplanationsDataTable dataTable)
{
return(this.Adapter.Update(dataTable));
}
