mirror of
https://github.com/moodle/moodle.git
synced 2025-02-13 20:36:42 +01:00
ec81373f50
(While I was at it I also turned the autologinguests off for most module pages, except on the index.php pages and the view.php pages for those modules that allow guests)
342 lines
11 KiB
PHP
342 lines
11 KiB
PHP
<?php // $Id$
|
|
|
|
// This page prints a particular instance of quiz
|
|
|
|
require_once("../../config.php");
|
|
require_once("locallib.php");
|
|
|
|
optional_variable($id); // Course Module ID, or
|
|
optional_variable($q); // quiz ID
|
|
|
|
if ($id) {
|
|
if (! $cm = get_record("course_modules", "id", $id)) {
|
|
error("Course Module ID was incorrect");
|
|
}
|
|
|
|
if (! $course = get_record("course", "id", $cm->course)) {
|
|
error("Course is misconfigured");
|
|
}
|
|
|
|
if (! $quiz = get_record("quiz", "id", $cm->instance)) {
|
|
error("Course module is incorrect");
|
|
}
|
|
|
|
} else {
|
|
if (! $quiz = get_record("quiz", "id", $q)) {
|
|
error("Course module is incorrect");
|
|
}
|
|
if (! $course = get_record("course", "id", $quiz->course)) {
|
|
error("Course is misconfigured");
|
|
}
|
|
if (! $cm = get_coursemodule_from_instance("quiz", $quiz->id, $course->id)) {
|
|
error("Course Module ID was incorrect");
|
|
}
|
|
}
|
|
|
|
require_login($course->id, false, $cm);
|
|
|
|
|
|
/// Set number for next attempt:
|
|
|
|
if ($attempts = quiz_get_user_attempts($quiz->id, $USER->id)) {
|
|
$attemptnumber = 2;
|
|
foreach ($attempts as $attempt) {
|
|
if ($attempt->attempt >= $attemptnumber) {
|
|
$attemptnumber = $attempt->attempt + 1;
|
|
}
|
|
}
|
|
} else {
|
|
$attemptnumber = 1;
|
|
}
|
|
|
|
$strattemptnum = get_string("attempt", "quiz", $attemptnumber);
|
|
|
|
|
|
// Print the page header
|
|
|
|
if (!empty($quiz->popup)) {
|
|
define('MESSAGE_WINDOW', true); // This prevents the message window coming up
|
|
print_header("$course->shortname: $quiz->name", '', '', '', '', false, '', '', false, '');
|
|
|
|
} else {
|
|
$strquizzes = get_string("modulenameplural", "quiz");
|
|
$strquiz = get_string("modulename", "quiz");
|
|
print_header_simple("$quiz->name", "",
|
|
"<a href=\"index.php?id=$course->id\">$strquizzes</a> ->
|
|
<a href=\"view.php?id=$cm->id\">$quiz->name</a> -> $strattemptnum",
|
|
"", "", true);
|
|
}
|
|
|
|
echo '<div id="overDiv" style="position:absolute; visibility:hidden; z-index:1000;"></div>'; // for overlib
|
|
|
|
/// Check availability
|
|
|
|
if ($quiz->attempts and $attempts and count($attempts) >= $quiz->attempts) {
|
|
error("Sorry, you've had $quiz->attempts attempts already.", "view.php?id=$cm->id");
|
|
}
|
|
|
|
/// Check subnet access
|
|
if ($quiz->subnet and !address_in_subnet(getremoteaddr(), $quiz->subnet)) {
|
|
error(get_string("subneterror", "quiz"), "view.php?id=$cm->id");
|
|
}
|
|
|
|
/// Check password access
|
|
if ($quiz->password and empty($_POST['q'])) {
|
|
if (empty($_POST['quizpassword'])) {
|
|
|
|
print_heading($quiz->name);
|
|
print_heading(get_string("attempt", "quiz", $attemptnumber));
|
|
if (trim(strip_tags($quiz->intro))) {
|
|
print_simple_box(format_text($quiz->intro), "center");
|
|
}
|
|
echo "<br />\n";
|
|
|
|
echo "<form name=\"passwordform\" method=\"post\" action=\"attempt.php?id=$cm->id\">\n";
|
|
print_simple_box_start("center");
|
|
|
|
echo "<div align=\"center\">\n";
|
|
print_string("requirepasswordmessage", "quiz");
|
|
echo "<br /><br />\n";
|
|
echo " <input name=\"quizpassword\" type=\"password\" value=\"\" alt=\"password\" />";
|
|
echo " <input type=\"submit\" value=\"".get_string("ok")."\" />\n";
|
|
echo "</div>\n";
|
|
|
|
print_simple_box_end();
|
|
echo "</form>\n";
|
|
|
|
if (empty($quiz->popup)) {
|
|
print_footer();
|
|
}
|
|
exit;
|
|
|
|
} else {
|
|
if (strcmp($quiz->password, $_POST['quizpassword']) !== 0) {
|
|
error(get_string("passworderror", "quiz"), "view.php?id=$cm->id");
|
|
}
|
|
unset($_POST['quizpassword']); /// needed so as not to confuse later code dealing with submitted answers
|
|
}
|
|
}
|
|
|
|
|
|
/// Get time limit if any.
|
|
|
|
$timelimit = $quiz->timelimit * 60;
|
|
|
|
$unattempt = quiz_get_user_attempt_unfinished($quiz->id, $USER->id);
|
|
if($timelimit > 0) {
|
|
$timestart = $unattempt->timestart;
|
|
if($timestart) {
|
|
$timesincestart = time() - $timestart;
|
|
$timerstartvalue = $timelimit - $timesincestart;
|
|
} else {
|
|
$timerstartvalue = $timelimit;
|
|
}
|
|
}
|
|
|
|
if($timelimit and $timerstartvalue <= 0) {
|
|
$timerstartvalue = 1;
|
|
}
|
|
|
|
$timenow = time();
|
|
$available = ($quiz->timeopen < $timenow and $timenow < $quiz->timeclose) || isteacher($course->id);
|
|
|
|
/// Check to see if they are submitting answers
|
|
if ($rawanswers = data_submitted()) {
|
|
|
|
$rawanswers = (array)$rawanswers;
|
|
|
|
$shuffleorder = NULL;
|
|
|
|
unset($rawanswers["q"]); // quiz id
|
|
if (! count($rawanswers) and ! $timelimit) {
|
|
print_heading(get_string("noanswers", "quiz"));
|
|
print_continue("attempt.php?q=$quiz->id");
|
|
exit;
|
|
}
|
|
|
|
if (!$questions = get_records_list("quiz_questions", "id", $quiz->questions)) {
|
|
error("No questions found!");
|
|
}
|
|
|
|
foreach ($rawanswers as $key => $value) { // Parse input for question->response
|
|
|
|
if ($postedquestionid = quiz_extract_posted_id($key)) {
|
|
$questions[$postedquestionid]->response[$key] = trim($value);
|
|
|
|
} else if ('shuffleorder' == $key) {
|
|
$shuffleorder = explode(",", $value); // Actual order questions were given in
|
|
|
|
} else if ('navigation' == $key) {
|
|
$navigation = $value; // Determines next page to show in quiz
|
|
|
|
} else { // Useful for debugging new question types. Must be last.
|
|
error("Unrecognizable input has been posted ($key -> $value)");
|
|
}
|
|
}
|
|
|
|
if($timelimit > 0) {
|
|
if(($timelimit + 60) <= $timesincestart) {
|
|
$quiz->timesincestart = $timesincestart;
|
|
}
|
|
}
|
|
|
|
/// Retrieve ->maxgrade for all questions
|
|
If (!($grades = quiz_get_question_grades($quiz->id, $quiz->questions))) {
|
|
$grades = array();
|
|
}
|
|
foreach ($grades as $qid => $grade) {
|
|
$questions[$qid]->maxgrade = $grade->grade;
|
|
}
|
|
|
|
if (!$result = quiz_grade_responses($quiz, $questions, $unattempt->id)) {
|
|
error("Could not grade your quiz attempt!");
|
|
}
|
|
|
|
if ($attempt = quiz_save_attempt($quiz, $questions, $result,
|
|
$attemptnumber, 0 == $navigation)) {
|
|
if (empty($navigation)) {
|
|
add_to_log($course->id, "quiz", "submit",
|
|
"review.php?id=$cm->id&attempt=$attempt->id", "$quiz->id", $cm->id);
|
|
}
|
|
} else {
|
|
notice(get_string("alreadysubmitted", "quiz"), "view.php?id=$cm->id");
|
|
if (empty($quiz->popup)) {
|
|
print_footer($course);
|
|
}
|
|
exit;
|
|
}
|
|
|
|
if (empty($navigation)) {
|
|
/// Attempt has finished
|
|
|
|
if (! quiz_save_best_grade($quiz, $USER->id)) {
|
|
error("Sorry! Could not calculate your best grade!");
|
|
}
|
|
|
|
if (empty($quiz->popup) and !$quiz->feedback) {
|
|
// No need to stop on this page, go directly to view.php
|
|
redirect('view.php?q='.$quiz->id);
|
|
}
|
|
|
|
$strgrade = get_string("grade");
|
|
$strscore = get_string("score", "quiz");
|
|
|
|
if ($quiz->grade) {
|
|
print_heading("$strscore: $result->sumgrades/$quiz->sumgrades ($result->percentage %)");
|
|
print_heading("$strgrade: $result->grade/$quiz->grade");
|
|
}
|
|
|
|
/// continue button - use javascript to close down child window if in popup
|
|
include('attempt_close_js.php');
|
|
|
|
if ($quiz->feedback) {
|
|
$quiz->shuffleanswers = false; // Never shuffle answers in feedback
|
|
|
|
/// Make sure to get all questions in case not all are shown
|
|
/// in quiz all the time.
|
|
$questions = quiz_get_attempt_questions($quiz, $attempt);
|
|
quiz_print_quiz_questions($quiz, $questions,
|
|
quiz_grade_responses($quiz, $questions, $unattempt->id),
|
|
$shuffleorder);
|
|
/// continue button - use javascript to close down child window if in popup
|
|
include('attempt_close_js.php');
|
|
}
|
|
|
|
if (empty($quiz->popup)) {
|
|
print_footer($course);
|
|
}
|
|
|
|
exit;
|
|
}
|
|
} else {
|
|
$navigation= 1;
|
|
$shuffleorder= NULL;
|
|
}
|
|
|
|
|
|
/// Print the quiz page
|
|
|
|
if (isguest()) {
|
|
print_heading(get_string("guestsno", "quiz"));
|
|
if (empty($quiz->popup)) {
|
|
print_footer($course);
|
|
}
|
|
exit;
|
|
}
|
|
|
|
/// Actually seeing the questions marks the start of an attempt
|
|
|
|
if (isset($unattempt) && $unattempt) {
|
|
$attempt = $unattempt;
|
|
|
|
} else if ($attempt = quiz_start_attempt($quiz->id, $USER->id, $attemptnumber)) {
|
|
add_to_log($course->id, "quiz", "attempt",
|
|
"review.php?id=$cm->id&attempt=$attempt->id", "$quiz->id", $cm->id);
|
|
} else {
|
|
error("Sorry! Could not start the quiz (could not save starting time)");
|
|
}
|
|
|
|
/// First print the headings and so on
|
|
|
|
print_heading($quiz->name);
|
|
|
|
if (!$available) {
|
|
error("Sorry, this quiz is not available", "view.php?id=$cm->id");
|
|
}
|
|
|
|
print_heading(get_string("attempt", "quiz", $attemptnumber));
|
|
if (trim(strip_tags($quiz->intro))) {
|
|
print_simple_box(format_text($quiz->intro), "center");
|
|
}
|
|
|
|
|
|
/// Add the javascript timer in the title bar if the closing time appears close
|
|
|
|
$secondsleft = $quiz->timeclose - time();
|
|
if ($secondsleft > 0 and $secondsleft < 24*3600) { // less than a day remaining
|
|
include("jsclock.php");
|
|
}
|
|
|
|
/// Include Javascript protection for this page if required
|
|
|
|
if (!empty($quiz->popup)) {
|
|
include("protect_js.php");
|
|
}
|
|
|
|
/// Print all the questions
|
|
|
|
echo "<br />";
|
|
|
|
$questions = quiz_get_attempt_questions($quiz, $attempt, true);
|
|
if ($quiz->attemptonlast && $attemptnumber >= 2 and
|
|
$quiz->attempts == 0 || !$unattempt) {
|
|
// There are unlimited attempts or it is a new attempt.
|
|
// As the attempt also builds on the last, we can here
|
|
// have the student see the scores of the pre-entered
|
|
// responses that we here will have graded:
|
|
$result = quiz_grade_responses($quiz, $questions);
|
|
$result->attemptbuildsonthelast = true;
|
|
} else {
|
|
$result = NULL;
|
|
}
|
|
|
|
// We do not show feedback or correct answers during an attempt:
|
|
$quiz->feedback = $quiz->correctanswers = false;
|
|
|
|
if (!quiz_print_quiz_questions($quiz, $questions,
|
|
$result, $shuffleorder, $navigation)) {
|
|
print_continue("view.php?id=$cm->id");
|
|
}
|
|
|
|
/// If quiz is available and time limit is set include floating timer.
|
|
|
|
if ($available and $timelimit > 0) {
|
|
require('jstimer.php');
|
|
}
|
|
|
|
if (empty($quiz->popup)) {
|
|
print_footer($course);
|
|
}
|
|
|
|
?>
|