mirror of
https://github.com/moodle/moodle.git
synced 2025-01-18 05:58:34 +01:00
287 lines
9.8 KiB
PHP
287 lines
9.8 KiB
PHP
<?php // $Id$
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require_once("../../config.php");
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require_once("lib.php");
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require_login();
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optional_variable($courseid);
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optional_variable($quizid);
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optional_variable($page, 0);
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optional_variable($perpage, "20");
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if (empty($destination)) {
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$destination = "";
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}
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$modform = data_submitted($destination);
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if ($modform and !empty($modform->course)) { // data submitted
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$modform->name = trim($modform->name);
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if (empty($modform->name)) {
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if (empty($modform->intro)) {
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$modform->name = get_string('modulename', 'quiz');
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} else {
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$modform->name = strip_tags($modform->intro);
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}
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}
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$SESSION->modform = $modform; // Save the form in the current session
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} else if ($quizid) {
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if (! $modform = get_record('quiz', 'id', $quizid)) {
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error("The required quiz doesn't exist");
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}
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$modform->instance = $modform->id;
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$SESSION->modform = $modform; // Save the form in the current session
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} else if ($courseid) { // Page retrieve through "Edit Questions" link - no quiz selected
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$modform->course = $courseid;
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unset($modform->instance);
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$SESSION->modform = $modform; // Save the form in the current session
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} else {
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if (!isset($SESSION->modform)) {
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// We currently also get here after editing a question by
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// following the edit link on the review page. Perhaps that should be fixed.
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error('');
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}
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$modform = $SESSION->modform;
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}
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if (! $course = get_record("course", "id", $modform->course)) {
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error("This course doesn't exist");
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}
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require_login($course->id);
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if (!isteacheredit($course->id)) {
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error("You can't modify this course!");
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}
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if (isset($modform->instance)
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&& empty($modform->grades)) // Construct an array to hold all the grades.
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{
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$modform->grades = quiz_get_all_question_grades($modform->questions, $modform->instance);
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}
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// Now, check for commands on this page and modify variables as necessary
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if (isset($cancel)) {
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redirect('view.php?q='.$modform->instance);
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}
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if (isset($recurse)) {
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$modform->recurse = $recurse;
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}
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if (!empty($up)) { /// Move the given question up a slot
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$questions = explode(",", $modform->questions);
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if ($questions[0] <> $up) {
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foreach ($questions as $key => $question) {
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if ($up == $question) {
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$swap = $questions[$key-1];
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$questions[$key-1] = $question;
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$questions[$key] = $swap;
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break;
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}
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}
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$modform->questions = implode(",", $questions);
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}
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}
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if (!empty($down)) { /// Move the given question down a slot
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$questions = explode(",", $modform->questions);
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if ($questions[count($questions)-1] <> $down) {
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foreach ($questions as $key => $question) {
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if ($down == $question) {
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$swap = $questions[$key+1];
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$questions[$key+1] = $question;
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$questions[$key] = $swap;
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break;
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}
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}
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$modform->questions = implode(",", $questions);
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}
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}
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if (!empty($add)) { /// Add a question to the current quiz
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$rawquestions = $_POST;
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if (!empty($modform->questions)) {
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$questions = explode(",", $modform->questions);
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}
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foreach ($rawquestions as $key => $value) { // Parse input for question ids
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if (substr($key, 0, 1) == "q") {
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$key = substr($key,1);
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if (!empty($questions)) {
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foreach ($questions as $question) {
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if ($question == $key) {
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continue 2;
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}
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}
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}
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$questions[] = $key;
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$questionrecord = get_record("quiz_questions", "id", $key);
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if (!empty($questionrecord->defaultgrade)) {
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$modform->grades[$key] = $questionrecord->defaultgrade;
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} else if ($questionrecord->qtype == DESCRIPTION){
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$modform->grades[$key] = 0;
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} else {
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$modform->grades[$key] = 1;
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}
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}
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}
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if (!empty($questions)) {
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$modform->questions = implode(",", $questions);
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} else {
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$modform->questions = "";
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}
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}
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if (!empty($delete)) { /// Delete a question from the list
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$questions = explode(",", $modform->questions);
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foreach ($questions as $key => $question) {
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if ($question == $delete) {
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unset($questions[$key]);
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unset($modform->grades[$question]);
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}
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}
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$modform->questions = implode(",", $questions);
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}
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if (!empty($setgrades)) { /// The grades have been updated, so update our internal list
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$rawgrades = $_POST;
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unset($modform->grades);
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foreach ($rawgrades as $key => $value) { // Parse input for question -> grades
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if (substr($key, 0, 1) == "q") {
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$key = substr($key,1);
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$modform->grades[$key] = $value;
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}
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}
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}
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if (!empty($save)) { // Save the list of questions and grades in the database and return
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//If caller is correct, $SESSION->sesskey must exist and coincide
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if (empty($SESSION->sesskey) or !confirm_sesskey($SESSION->sesskey)) {
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error(get_string('confirmsesskeybad', 'error'));
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}
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//Unset this, check done
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unset($SESSION->sesskey);
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quiz_update_instance($modform);
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$coursemodule = get_coursemodule_from_instance('quiz', $modform->instance);
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add_to_log($course->id, 'quiz', 'editquestions',
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"view.php?id=$coursemodule",
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"$modform->instance", $coursemodule);
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redirect('view.php?q='.$modform->instance);
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die;
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}
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if (!empty($cat)) { //-----------------------------------------------------------
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$modform->category = $cat;
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}
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if (empty($modform->category)) {
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$category = quiz_get_default_category($course->id);
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$modform->category = $category->id;
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}
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if (!isset($modform->recurse)) {
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$modform->recurse = 1;
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}
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$modform->sumgrades = 0;
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if (!empty($modform->grades)) {
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foreach ($modform->grades as $grade) {
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$modform->sumgrades += $grade;
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}
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}
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$SESSION->modform = $modform;
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$strname = get_string('name');
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$strquizzes = get_string('modulenameplural', 'quiz');
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$strediting = get_string(isset($modform->instance) ? "editingquiz" : "editquestions", "quiz");
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$strheading = empty($modform->name) ? $strediting : $modform->name;
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// Print basic page layout.
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if (!isset($modform->instance)) {
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print_header_simple($strediting, '',
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"<a href=\"index.php?id=$course->id\">$strquizzes</a>".
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" -> $strediting");
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echo '<table align="center" border="0" cellpadding="2" cellspacing="0">';
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echo '<tr><td valign="top">';
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} else {
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print_header_simple($strediting, '',
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"<a href=\"index.php?id=$course->id\">$strquizzes</a>".
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" -> <a href=\"view.php?q=$modform->instance\">$modform->name</a>".
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" -> $strediting");
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echo '<table border="0" width="100%" cellpadding="2" cellspacing="0">';
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echo '<tr><td width="50%" valign="top">';
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print_simple_box_start("center", "100%", $THEME->cellcontent2);
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print_heading($modform->name);
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quiz_print_question_list($modform->questions, $modform->grades);
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?>
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<center>
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<p> </p>
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<?php
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if ($attemptcount = count_records_select("quiz_attempts", "quiz = '$modform->instance' AND timefinish > 0")) {
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$strviewallanswers = get_string("viewallanswers","quiz",$attemptcount);
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$strattemptsexist = get_string("attemptsexist","quiz");
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$usercount = count_records("quiz_grades", "quiz", "$modform->instance");
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$strusers = get_string("users");
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if (! $cm = get_coursemodule_from_instance("quiz", $modform->instance, $course->id)) {
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error("Course Module ID was incorrect");
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}
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notify("$strattemptsexist<br /><a href=\"report.php?id=$cm->id\">$strviewallanswers ($usercount $strusers)</a>");
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}
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$SESSION->sesskey = !empty($USER->id) ? $USER->sesskey : '';
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?>
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<form method="post" action="edit.php">
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<input type="hidden" name="sesskey" value="save" />
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<input type="submit" name="save" value="<?php print_string("savequiz", "quiz") ?>" />
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<input type="submit" name="cancel" value="<?php print_string("cancel") ?>" />
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</form>
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</center>
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<?php
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print_simple_box_end();
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echo '</td><td valign="top" width="50%">';
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}
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print_simple_box_start("center", "100%", $THEME->cellcontent2);
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quiz_print_category_form($course, $modform->category, $modform->recurse);
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print_simple_box_end();
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print_spacer(5,1);
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print_simple_box_start("center", "100%", $THEME->cellcontent2);
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quiz_print_cat_question_list($modform->category,
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isset($modform->instance), $modform->recurse, $page, $perpage);
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print_simple_box_end();
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echo '</td></tr>';
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echo '</table>';
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if (!isset($modform->instance)) {
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print_continue("index.php?id=$modform->course");
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}
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print_footer($course);
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?>
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