mod/quiz/tabs.php

   1 <?php  // $Id$
   2 /**
   3  * Sets up the tabs used by the quiz pages based on the users capabilites.
   4  *
   5  * @author Tim Hunt and others.
   6  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
   7  * @package quiz
   8  */
   9
  10 if (empty($quiz)) {
  11     error('You cannot call this script in that way');
  12 }
  13 if (!isset($currenttab)) {
  14     $currenttab = '';
  15 }
  16 if (!isset($cm)) {
  17     $cm = get_coursemodule_from_instance('quiz', $quiz->id);
  18 }
  19
  20
  21 $context = get_context_instance(CONTEXT_MODULE, $cm->id);
  22
  23 if (!isset($contexts)){
  24     $contexts = new question_edit_contexts($context);
  25 }
  26 $tabs = array();
  27 $row  = array();
  28 $inactive = array();
  29 $activated = array();
  30
  31 if (has_capability('mod/quiz:view', $context)) {
  32     $row[] = new tabobject('info', "$CFG->wwwroot/mod/quiz/view.php?q=$quiz->id", get_string('info', 'quiz'));
  33 }
  34 if (has_capability('mod/quiz:viewreports', $context)) {
  35     $row[] = new tabobject('reports', "$CFG->wwwroot/mod/quiz/report.php?q=$quiz->id", get_string('results', 'quiz'));
  36 }
  37 if (has_capability('mod/quiz:preview', $context)) {
  38     $row[] = new tabobject('preview', "$CFG->wwwroot/mod/quiz/attempt.php?q=$quiz->id", get_string('preview', 'quiz'));
  39 }
  40 if (has_capability('mod/quiz:manage', $context)) {
  41     $row[] = new tabobject('edit', "$CFG->wwwroot/mod/quiz/edit.php?cmid=$cm->id", get_string('edit'));
  42 }
  43
  44 if ($currenttab == 'info' && count($row) == 1) {
  45     // Don't show only an info tab (e.g. to students).
  46 } else {
  47     $tabs[] = $row;
  48 }
  49
  50 if ($currenttab == 'reports' and isset($mode)) {
  51     $activated[] = 'reports';
  52
  53     // Standard reports we want to show first.
  54     $reportlist = array ('overview', 'regrade', 'grading', 'analysis');
  55     // Reports that are restricted by capability.
  56     $reportrestrictions = array(
  57         'regrade' => 'mod/quiz:grade',
  58         'grading' => 'mod/quiz:grade'
  59     );
  60
  61     $allreports = get_list_of_plugins("mod/quiz/report");
  62     foreach ($allreports as $report) {
  63         if (!in_array($report, $reportlist)) {
  64             $reportlist[] = $report;
  65         }
  66     }
  67
  68     $row  = array();
  69     $currenttab = '';
  70     foreach ($reportlist as $report) {
  71         if (!isset($reportrestrictions[$report]) || has_capability($reportrestrictions[$report], $context)) {
  72             $row[] = new tabobject($report, "$CFG->wwwroot/mod/quiz/report.php?q=$quiz->id&amp;mode=$report",
  73                                     get_string($report, 'quiz_'.$report));
  74             if ($report == $mode) {
  75                 $currenttab = $report;
  76             }
  77         }
  78     }
  79     $tabs[] = $row;
  80 }
  81
  82 if ($currenttab == 'edit' and isset($mode)) {
  83     $activated[] = 'edit';
  84
  85     $row  = array();
  86     $currenttab = $mode;
  87
  88     $strquiz = get_string('modulename', 'quiz');
  89     $streditingquiz = get_string("editinga", "moodle", $strquiz);
  90
  91     if (has_capability('mod/quiz:manage', $context) && $contexts->have_one_edit_tab_cap('editq')) {
  92         $row[] = new tabobject('editq', "$CFG->wwwroot/mod/quiz/edit.php?".$thispageurl->get_query_string(), $strquiz, $streditingquiz);
  93     }
  94     questionbank_navigation_tabs($row, $contexts, $thispageurl->get_query_string());
  95     $tabs[] = $row;
  96
  97 }
  98
  99 if (!$quiz->questions) {
 100     $inactive += array('info', 'reports', 'preview');
 101 }
 102
 103 print_tabs($tabs, $currenttab, $inactive, $activated);
 104
 105 ?>