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1 | <?php // $Id$ |
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2 | /** |
3 | * This page prints a review of a particular quiz attempt |
4 | * |
5 | * @version $Id$ |
6 | * @author Martin Dougiamas and many others. This has recently been completely |
7 | * rewritten by Alex Smith, Julian Sedding and Gustav Delius as part of |
8 | * the Serving Mathematics project |
9 | * {@link http://maths.york.ac.uk/serving_maths} |
10 | * @license http://www.gnu.org/copyleft/gpl.html GNU Public License |
11 | * @package quiz |
12 | */ |
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13 | |
14 | require_once("../../config.php"); |
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15 | require_once("locallib.php"); |
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16 | |
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17 | $attempt = required_param('attempt', PARAM_INT); // A particular attempt ID for review |
18 | $page = optional_param('page', 0, PARAM_INT); // The required page |
19 | $showall = optional_param('showall', 0, PARAM_BOOL); |
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20 | |
21 | if (! $attempt = get_record("quiz_attempts", "id", $attempt)) { |
22 | error("No such attempt ID exists"); |
23 | } |
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24 | if (! $quiz = get_record("quiz", "id", $attempt->quiz)) { |
25 | error("Course module is incorrect"); |
26 | } |
27 | if (! $course = get_record("course", "id", $quiz->course)) { |
28 | error("Course is misconfigured"); |
29 | } |
30 | if (! $cm = get_coursemodule_from_instance("quiz", $quiz->id, $course->id)) { |
31 | error("Course Module ID was incorrect"); |
32 | } |
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33 | |
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34 | if (!count_records('quiz_newest_states', 'attemptid', $attempt->id)) { |
35 | // this question has not yet been upgraded to the new model |
36 | quiz_upgrade_states($attempt); |
37 | } |
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38 | |
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39 | require_login($course->id, false, $cm); |
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40 | $isteacher = isteacher($course->id); |
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41 | $popup = $isteacher ? 0 : $quiz->popup; // Controls whether this is shown in a javascript-protected window. |
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42 | |
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43 | if (!$isteacher) { |
44 | if (!$attempt->timefinish) { |
45 | redirect('attempt.php?q='.$quiz->id); |
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46 | } |
ee1fb969 |
47 | // If not even responses are to be shown in review then we |
48 | // don't allow any review |
49 | if (!($quiz->review & QUIZ_REVIEW_RESPONSES)) { |
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50 | error(get_string("noreview", "quiz")); |
51 | } |
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52 | if ((time() - $attempt->timefinish) > 120) { // always allow review right after attempt |
53 | if (time() < $quiz->timeclose and !($quiz->review & QUIZ_REVIEW_OPEN)) { |
54 | error(get_string("noreviewuntil", "quiz", userdate($quiz->timeclose))); |
55 | } |
56 | if (time() >= $quiz->timeclose and !($quiz->review & QUIZ_REVIEW_CLOSED)) { |
57 | error(get_string("noreview", "quiz")); |
58 | } |
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59 | } |
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60 | if ($attempt->userid != $USER->id) { |
61 | error("This is not your attempt!"); |
62 | } |
63 | } |
64 | |
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65 | add_to_log($course->id, "quiz", "review", "review.php?id=$cm->id&attempt=$attempt->id", "$quiz->id", "$cm->id"); |
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66 | |
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67 | /// Print the page header |
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68 | |
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69 | $strquizzes = get_string("modulenameplural", "quiz"); |
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70 | $strreview = get_string("review", "quiz"); |
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71 | $strscore = get_string("score", "quiz"); |
72 | $strgrade = get_string("grade"); |
73 | $strbestgrade = get_string("bestgrade", "quiz"); |
74 | $strtimetaken = get_string("timetaken", "quiz"); |
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75 | $strtimecompleted = get_string("completedon", "quiz"); |
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76 | $stroverdue = get_string("overdue", "quiz"); |
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77 | |
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78 | if (!empty($popup)) { |
79 | define('MESSAGE_WINDOW', true); // This prevents the message window coming up |
80 | print_header($course->shortname.': '.format_string($quiz->name), '', '', '', '', false, '', '', false, ''); |
81 | /// Include Javascript protection for this page |
82 | include('protect_js.php'); |
83 | } else { |
84 | $strupdatemodule = isteacheredit($course->id) |
85 | ? update_module_button($cm->id, $course->id, get_string('modulename', 'quiz')) |
86 | : ""; |
87 | print_header_simple(format_string($quiz->name), "", |
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88 | "<a href=\"index.php?id=$course->id\">$strquizzes</a> |
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89 | -> <a href=\"view.php?id=$cm->id\">".format_string($quiz->name,true)."</a> -> $strreview", |
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90 | "", "", true, $strupdatemodule); |
91 | } |
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92 | echo '<div id="overDiv" style="position:absolute; visibility:hidden; z-index:1000;"></div>'; // for overlib |
93 | |
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94 | /// Print heading and tabs if this is part of a preview |
95 | if ($isteacher) { |
96 | $currenttab = ($attempt->userid == $USER->id) ? 'preview' : ''; |
97 | include('tabs.php'); |
98 | } else { |
99 | print_heading(format_string($quiz->name)); |
100 | } |
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101 | |
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102 | /// Load all the questions and states needed by this script |
103 | |
104 | // load the questions needed by page |
105 | $pagelist = $showall ? quiz_questions_in_quiz($attempt->layout) : quiz_questions_on_page($attempt->layout, $page); |
5a82dafa |
106 | $sql = "SELECT q.*, i.grade AS maxgrade, i.id AS instance". |
107 | " FROM {$CFG->prefix}quiz_questions q,". |
108 | " {$CFG->prefix}quiz_question_instances i". |
109 | " WHERE i.quiz = '$quiz->id' AND q.id = i.question". |
110 | " AND q.id IN ($pagelist)"; |
111 | if (!$questions = get_records_sql($sql)) { |
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112 | error('No questions found'); |
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113 | } |
114 | |
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115 | // Load the question type specific information |
116 | if (!quiz_get_question_options($questions)) { |
117 | error('Could not load question options'); |
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118 | } |
119 | |
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120 | // Restore the question sessions to their most recent states |
121 | // creating new sessions where required |
122 | if (!$states = quiz_restore_question_sessions($questions, $quiz, $attempt)) { |
123 | error('Could not restore question sessions'); |
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124 | } |
125 | |
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126 | /// Print infobox |
127 | |
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128 | $timelimit = (int)$quiz->timelimit * 60; |
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129 | $overtime = 0; |
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130 | |
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131 | if ($attempt->timefinish) { |
132 | if ($timetaken = ($attempt->timefinish - $attempt->timestart)) { |
133 | if($timelimit && $timetaken > ($timelimit + 60)) { |
134 | $overtime = $timetaken - $timelimit; |
135 | $overtime = format_time($overtime); |
136 | } |
137 | $timetaken = format_time($timetaken); |
138 | } else { |
139 | $timetaken = "-"; |
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140 | } |
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141 | } else { |
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142 | $timetaken = get_string('unfinished', 'quiz'); |
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143 | } |
144 | |
145 | $table->align = array("right", "left"); |
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146 | if ($attempt->userid <> $USER->id) { |
147 | $student = get_record('user', 'id', $attempt->userid); |
148 | $picture = print_user_picture($student->id, $course->id, $student->picture, false, true); |
149 | $table->data[] = array($picture, fullname($student, true)); |
150 | } |
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151 | if ($isteacher and count($attempts = get_records_select('quiz_attempts', "quiz = '$quiz->id' AND userid = '$attempt->userid'", 'attempt ASC')) > 1) { |
152 | // print list of attempts |
153 | $attemptlist = ''; |
154 | foreach ($attempts as $at) { |
155 | $attemptlist .= ($at->id == $attempt->id) |
156 | ? '<b>'.$at->attempt.'</b>, ' |
157 | : '<a href="review.php?attempt='.$at->id.($showall?'&showall=true':'').'">'.$at->attempt.'</a>, '; |
158 | } |
159 | $table->data[] = array(get_string('attempts', 'quiz').':', trim($attemptlist, ' ,')); |
160 | } |
161 | |
162 | $table->data[] = array(get_string('startedon', 'quiz').':', userdate($attempt->timestart)); |
163 | if ($attempt->timefinish) { |
164 | $table->data[] = array("$strtimecompleted:", userdate($attempt->timefinish)); |
165 | $table->data[] = array("$strtimetaken:", $timetaken); |
166 | } |
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167 | if (!empty($overtime)) { |
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168 | $table->data[] = array("$stroverdue:", $overtime); |
169 | } |
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170 | if ($quiz->grade) { |
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171 | if($overtime) { |
172 | $result->sumgrades = "0"; |
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173 | $result->grade = "0.0"; |
174 | } |
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175 | $percentage = round(($attempt->sumgrades/$quiz->sumgrades)*100, 0); |
176 | $grade = round(($attempt->sumgrades/$quiz->sumgrades)*$quiz->grade, $CFG->quiz_decimalpoints); |
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177 | $table->data[] = array("$strscore:", "$attempt->sumgrades/$quiz->sumgrades ($percentage %)"); |
178 | $table->data[] = array("$strgrade:", $grade.get_string('outof', 'quiz').$quiz->grade); |
179 | } |
180 | if ($isteacher and $attempt->userid == $USER->id) { |
181 | // the teacher is at the end of a preview. Print button to start new preview |
182 | unset($buttonoptions); |
183 | $buttonoptions['q'] = $quiz->id; |
184 | $buttonoptions['forcenew'] = true; |
185 | echo '<center>'; |
186 | print_single_button($CFG->wwwroot.'/mod/quiz/attempt.php', $buttonoptions, get_string('startagain', 'quiz')); |
187 | echo '</center>'; |
188 | } else { // print number of the attempt |
189 | print_heading(get_string('reviewofattempt', 'quiz', $attempt->attempt)); |
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190 | } |
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191 | print_table($table); |
192 | |
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193 | /// Print the navigation panel if required |
194 | $numpages = quiz_number_of_pages($attempt->layout); |
195 | if ($numpages > 1 and !$showall) { |
196 | print_paging_bar($numpages, $page, 1, 'review.php?attempt='.$attempt->id.'&'); |
197 | echo '<center><a href="review.php?attempt='.$attempt->id.'&showall=true">'; |
198 | print_string('showall', 'quiz'); |
199 | echo '</a></center>'; |
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200 | } |
201 | |
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202 | /// Print all the questions |
203 | |
204 | $pagequestions = explode(',', $pagelist); |
205 | $number = quiz_first_questionnumber($attempt->layout, $pagelist); |
206 | foreach ($pagequestions as $i) { |
207 | $options = quiz_get_reviewoptions($quiz, $attempt, $isteacher); |
208 | $options->validation = QUIZ_EVENTVALIDATE === $states[$i]->event; |
209 | $options->history = ($isteacher and !$attempt->preview) ? 'all' : 'graded'; |
210 | // Print the question |
211 | if ($i > 0) { |
212 | echo "<br />\n"; |
213 | } |
214 | quiz_print_quiz_question($questions[$i], $states[$i], $number, $quiz, $options); |
215 | $number += $questions[$i]->length; |
216 | } |
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217 | |
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218 | // Print the navigation panel if required |
219 | if ($numpages > 1 and !$showall) { |
220 | print_paging_bar($numpages, $page, 1, 'review.php?attempt='.$attempt->id.'&'); |
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221 | } |
222 | |
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223 | // print javascript button to close the window, if necessary |
224 | if (!$isteacher) { |
225 | include('attempt_close_js.php'); |
226 | } |
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227 | |
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228 | if (empty($popup)) { |
229 | print_footer($course); |
230 | } |
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231 | ?> |