} // end method takeTest()
//----------
private static string navbar(out int qnum)
{
for (;;)
{
Useful.setColors(ConsoleColor.Green, ConsoleColor.Black);
Useful.clearLine(0);
Console.Write("Navigate? ___ Specify QUESTION # or one of these one-letter commands: ");
Useful.clearLine(1);
Console.Write(" A)nswer_current N)ext P)rev S)can_next_unanswered D)one");
Console.SetCursorPosition(10, 0);
string option = Console.ReadLine().Trim();
int optnum = 0;
if (Int32.TryParse(option, out optnum))
{
if ((optnum >= 1) && (optnum <= maxq))
{
Useful.clearLine(3);
qnum = optnum;
return("");
}
Console.SetCursorPosition(0, 3);
Console.Write("Invalid input.... QUESTION # must be ");
Console.WriteLine("between 1 and " + maxq + ". Try again.");
continue;
}
if ((option == "") ||
(option.ToLower() == "a") ||
(option.ToLower() == "n") ||
(option.ToLower() == "p") ||
(option.ToLower() == "s") ||
(option.ToLower() == "d"))
{
Useful.clearLine(3);
qnum = 0;
return(option.ToLower());
}
Useful.clearLine(3);
Console.Beep();
Console.WriteLine("invalid command entered: " + option);
} // end for()
}
//----------
public StudentInfo()
{
Useful.setColors(ConsoleColor.Green, ConsoleColor.Black);
Console.Clear();
Useful.clearLine(0);
Console.WriteLine("Greetings! Before we get started...");
Console.WriteLine(" I need to get a couple of pieces of information from you,");
Console.WriteLine(" in order to process your examination.");
studentname = getPromptedInput(4,
"What is your name (FirstLast, no spaces)? ");
course = getPromptedInput(6,
"What course are you taking (csc999, no spaces)? ");
examination = getPromptedInput(8,
"What examination are you taking (midterm or final)? ");
Console.WriteLine();
Useful.enterContinue();
} // end constructor StudentInfo()
} // end constructor TestAdministrator
//----------
public static void takeTest(string examname, string studentname, DateTime starttime)
{
initta();
readQuestions(examname + "_questions.txt");
ReadResponses(examname + "_" + studentname + ".txt");
Console.Clear();
Question qst = new Question(Console.WindowWidth - 4, 12, 2, 6);
Response rsp = new Response(Console.WindowWidth - 4, 12, 2, 18);
for (int curq = 0;;)
{
displayQuestion(curq, starttime, qst, rsp);
int optnum;
string option = navbar(out optnum);
if ((option == "") && ((optnum >= 1) && (optnum <= maxq)))
{
curq = optnum - 1;
displayQuestion(curq, starttime, qst, rsp);
continue;
}
if ((option == "") || (option.ToLower() == "a"))
{
if (answerQuestion(curq, starttime, rsp))
{
// response was changed
// write changes out to disk
WriteResponses(examname + "_" + studentname + ".txt");
}
continue;
}
if (option.ToLower() == "n")
{
curq++;
if (curq >= maxq)
{
curq = 0;
}
displayQuestion(curq, starttime, qst, rsp);
continue;
}
if (option.ToLower() == "p")
{
curq--;
if (curq < 0)
{
curq = maxq - 1;
}
displayQuestion(curq, starttime, qst, rsp);
continue;
}
if (option.ToLower() == "s")
{
if (unanswered == 0)
{
Console.WriteLine("all questions have been answered.");
}
else
{
int end_search = curq;
for (;;)
{
curq++;
if (curq >= maxq)
{
curq = 0;
}
if (curq == end_search)
{
Console.WriteLine("all questions appear to have been answered.");
break;
}
if (responses[curq] == "")
{
break;
}
}
displayQuestion(curq, starttime, qst, rsp);
}
continue;
}
if (option.ToLower() == "d")
{
Console.Clear();
Useful.setColors(ConsoleColor.Green, ConsoleColor.Black);
Useful.clearLine(0);
Console.Write("All done? ");
Useful.clearLine(1);
unanswered = 0;
for (int ii = 0; ii < maxq; ii++)
{
if (responses[ii].Trim() == "")
{
unanswered++;
}
}
if (unanswered == 0)
{
Console.Write("All questions appear to have some kind of an answer.");
}
else
{
Console.Write(" UNANSWERED=" + unanswered);
}
Useful.clearLine(2);
Console.Write("Are you sure your want to leave ");
Console.Write("this program at this time (YES|else)? ");
if (Console.ReadLine() == "YES")
{
break;
}
continue;
}
} // end for()
} // end method takeTest()
