mod/quiz/index.php

   1 <?php // $Id$
   2 /**
   3 * This page lists all the instances of quiz in a particular course
   4 *
   5 * @version $Id$
   6 * @author Martin Dougiamas and many others.
   7 * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
   8 * @package quiz
   9 */
  10     require_once("../../config.php");
  11     require_once("locallib.php");
  12
  13     $id = required_param('id', PARAM_INT);
  14     if (!$course = get_record("course", "id", $id)) {
  15         error("Course ID is incorrect");
  16     }
  17     $coursecontext = get_context_instance(CONTEXT_COURSE, $id);
  18     require_login($course->id);
  19     add_to_log($course->id, "quiz", "view all", "index.php?id=$course->id", "");
  20
  21 // Print the header
  22     $strquizzes = get_string("modulenameplural", "quiz");
  23     $streditquestions = '';
  24     if (has_capability('moodle/question:manage', $coursecontext)) {
  25         $streditquestions =
  26                 "<form target=\"_parent\" method=\"get\" action=\"$CFG->wwwroot/question/edit.php\">
  27                    <div>
  28                    <input type=\"hidden\" name=\"courseid\" value=\"$course->id\" />
  29                    <input type=\"submit\" value=\"".get_string("editquestions", "quiz")."\" />
  30                    </div>
  31                  </form>";
  32     }
  33     $navlinks = array();
  34     $navlinks[] = array('name' => $strquizzes, 'link' => '', 'type' => 'activity');
  35     $navigation = build_navigation($navlinks);
  36
  37     print_header_simple($strquizzes, '', $navigation,
  38                  '', '', true, $streditquestions, navmenu($course));
  39
  40 // Get all the appropriate data
  41     if (!$quizzes = get_all_instances_in_course("quiz", $course)) {
  42         notice("There are no quizzes", "../../course/view.php?id=$course->id");
  43         die;
  44     }
  45
  46 // Configure table for displaying the list of instances.
  47     $headings = array(get_string('name'), get_string('quizcloses', 'quiz'));
  48     $align = array('left', 'left');
  49     $colsize = array('', '');
  50     if ($course->format == "weeks") {
  51         array_unshift($headings, get_string('week'));
  52         array_unshift($align, 'center');
  53         array_unshift($colsize, 10);
  54     } else if ($course->format == "topics") {
  55         array_unshift($headings, get_string('topic'));
  56         array_unshift($align, 'center');
  57         array_unshift($colsize, 10);
  58     }
  59
  60     if (has_capability('mod/quiz:viewreports', $coursecontext)) {
  61         array_push($headings, get_string('attempts', 'quiz'));
  62         array_push($align, 'left');
  63         array_push($colsize, '');
  64         $showing = 'stats';
  65     } else if (has_capability('mod/quiz:attempt', $coursecontext)) {
  66         array_push($headings, get_string('bestgrade', 'quiz'), get_string('feedback', 'quiz'));
  67         array_push($align, 'left', 'left');
  68         array_push($colsize, '', '');
  69         $showing = 'scores';
  70     }
  71
  72     $table->head = $headings;
  73     $table->align = $align;
  74     $table->size = $colsize;
  75
  76 // Poplate the table with the list of instances.
  77     $currentsection = '';
  78     foreach ($quizzes as $quiz) {
  79
  80         $cm = get_coursemodule_from_instance('quiz', $quiz->id);
  81         $context = get_context_instance(CONTEXT_MODULE, $cm->id);
  82         $data = array();
  83
  84         // Section number if necessary.
  85         $strsection = '';
  86         if ($course->format == "weeks" or $course->format == "topics") {
  87             if ($quiz->section !== $currentsection) {
  88                 if ($quiz->section) {
  89                     $strsection = $quiz->section;
  90                 }
  91                 if ($currentsection !== "") {
  92                     $table->data[] = 'hr';
  93                 }
  94                 $currentsection = $quiz->section;
  95             }
  96         }
  97         $data[] = $strsection;
  98
  99         // Link to the instance.
 100         $class = '';
 101         if (!$quiz->visible) {
 102             $class = ' class="dimmed"';
 103         }
 104         $data[] = "<a$class href=\"view.php?id=$quiz->coursemodule\">" . format_string($quiz->name, true) . '</a>';
 105
 106         // Close date.
 107         if ($quiz->timeclose) {
 108             $data[] = userdate($quiz->timeclose);
 109         } else {
 110             $data[] = '';
 111         }
 112
 113         if ($showing == 'stats') {
 114
 115             // Number of students who have attempted this quiz.
 116             if ($a->attemptnum = count_records('quiz_attempts', 'quiz', $quiz->id, 'preview', 0)) {
 117                 $a->studentnum = count_records_select('quiz_attempts',
 118                         "quiz = '$quiz->id' AND preview = '0'", 'COUNT(DISTINCT userid)');
 119                 $a->studentstring  = $course->students;
 120                 $data[] = "<a href=\"report.php?mode=overview&amp;q=$quiz->id\">" .
 121                         get_string('numattempts', 'quiz', $a) . '</a>';
 122             }
 123         } else if ($showing = 'scores') {
 124
 125             // Grade and feedback.
 126             $bestgrade = quiz_get_best_grade($quiz, $USER->id);
 127             $attempts = quiz_get_user_attempts($quiz->id, $USER->id, 'all');
 128             list($someoptions, $alloptions) = quiz_get_combined_reviewoptions($quiz, $attempts, $context);
 129
 130             $grade = '';
 131             $feedback = '';
 132             if ($quiz->grade && !is_null($bestgrade)) {
 133                 if ($alloptions->scores) {
 134                     $grade = "$bestgrade / $quiz->grade";
 135                 }
 136                 if ($alloptions->overallfeedback) {
 137                     $feedback = quiz_feedback_for_grade($bestgrade, $quiz->id);
 138                 }
 139             }
 140             $data[] = $grade;
 141             $data[] = $feedback;
 142         }
 143
 144         $table->data[] = $data;
 145     } // End of loop over quiz instances.
 146
 147 // Display the table.
 148     echo '<br />';
 149     print_table($table);
 150
 151 // Finish the page
 152     print_footer($course);
 153 ?>