grade/edit/gradedisplay/index.php

   1 <?php // $Id$
   2       // Allows a creator to edit custom scales, and also display help about scales
   3
   4 require_once '../../../config.php';
   5 require_once $CFG->dirroot.'/grade/lib.php';
   6 require_once $CFG->libdir.'/gradelib.php';
   7 require_once $CFG->dirroot.'/grade/report/lib.php';
   8 require_once 'gradedisplay_form.php';
   9
  10 $courseid   = optional_param('id', 0, PARAM_INT);
  11 $addgradeletter = optional_param('addgradeletter', null, PARAM_ALPHANUM);
  12
  13 /// Make sure they can even access this course
  14 if ($courseid) {
  15     if (!$course = get_record('course', 'id', $courseid)) {
  16         print_error('nocourseid');
  17     }
  18     require_login($course);
  19     $context = get_context_instance(CONTEXT_COURSE, $course->id);
  20     require_capability('moodle/course:managescales', $context);
  21 } else {
  22     require_once $CFG->libdir.'/adminlib.php';
  23     admin_externalpage_setup('scales');
  24 }
  25
  26 if (!empty($addgradeletter)) {
  27     // Insert a record in the grade_letters table, with 0 as lower boundary and  ' - ' as letter
  28     $record = new stdClass();
  29     $record->contextid = $context->id;
  30     $record->letter = 'A';
  31     $record->lowerboundary = 0;
  32     insert_record('grade_letters', $record);
  33 }
  34
  35 $course_has_letters = get_field('grade_letters', 'contextid', 'contextid', $context->id);
  36
  37 /// return tracking object
  38 $gpr = new grade_plugin_return(array('type'=>'edit', 'plugin'=>'gradedisplay', 'courseid'=>$courseid));
  39 $returnurl = $gpr->get_return_url($CFG->wwwroot.'/grade/edit/gradedisplay/index.php?id='.$course->id);
  40
  41 $mform = new edit_grade_display_form(null, array('gpr'=>$gpr, 'course_has_letters' => $course_has_letters));
  42
  43 if ($mform->is_cancelled()) {
  44     redirect($returnurl);
  45
  46 // form processing
  47 } else if ($data = $mform->get_data(false)) {
  48     // Delete existing grade_letters for this contextid, whether we add, update or set the grade letters to defaults
  49     if ($course_has_letters) {
  50         delete_records('grade_letters', 'contextid', $context->id);
  51     }
  52
  53     // Update course item's gradedisplay type
  54     if (isset($data->display)) {
  55         set_field('grade_items', 'display', $data->display, 'courseid', $courseid, 'itemtype', 'course');
  56     }
  57
  58     // Update course item's decimals type
  59     if (isset($data->decimals)) {
  60         if ($data->decimals < 0) {
  61             $data->decimals = null;
  62         }
  63         set_field('grade_items', 'decimals', $data->decimals, 'courseid', $courseid, 'itemtype', 'course');
  64     }
  65
  66     // If override is present, add/update entries in grade_letters table
  67     if (!empty($data->override)) {
  68         $records = array();
  69
  70         // Loop through grade letters and boundaries
  71         foreach ($data as $key => $variable) {
  72             preg_match('/[gradeletter|gradeboundary]([0-9]{1,2})/', $key, $matches);
  73             $index = null;
  74             if (isset($matches[1])) {
  75                 $index = $matches[1];
  76             }
  77
  78             if (strstr($key, 'gradeletter')) {
  79                 $records[$index] = new stdClass();
  80                 $records[$index]->letter = $variable;
  81             } elseif (strstr($key, 'gradeboundary')) {
  82                 if (!empty($records[$index])) {
  83                     $records[$index]->lowerboundary = $variable;
  84                 }
  85             }
  86         }
  87
  88         foreach ($records as $key => $record) {
  89             // Do not insert if either value is empty or set to "unused"
  90             $values_set = isset($record->letter) && isset($record->lowerboundary);
  91
  92             if ($values_set && strlen($record->letter) > 0 && strlen($record->lowerboundary) > 0) {
  93                 $record->contextid = $context->id;
  94                 if ($id = insert_record('grade_letters', $record)) {
  95                     $record = new stdClass();
  96                 } else {
  97                     debugging('Error inserting grade_letters record!');
  98                     die();
  99                 }
 100             }
 101         }
 102     }
 103     if (!isset($data->addgradeletter)) {
 104         redirect($returnurl, get_string('coursegradedisplayupdated', 'grades'));
 105     }
 106 }
 107
 108 $strgrades = get_string('grades');
 109 $pagename = get_string('gradedisplay', 'grades');
 110
 111 $navigation = grade_build_nav(__FILE__, $pagename, array('courseid' => $courseid));
 112
 113 $strname           = get_string('name');
 114 $strdelete         = get_string('delete');
 115 $stredit           = get_string('edit');
 116 $strused           = get_string('used');
 117 $stredit           = get_string('edit');
 118
 119 if ($courseid) {
 120     /// Print header
 121     print_header_simple($strgrades.': '.$pagename, ': '.$strgrades, $navigation, '', '', true, '', navmenu($course));
 122     /// Print the plugin selector at the top
 123     print_grade_plugin_selector($courseid, 'edit', 'scale');
 124
 125 } else {
 126     admin_externalpage_print_header();
 127 }
 128
 129 print_simple_box_start("center");
 130 $mform->display();
 131 print_simple_box_end();
 132
 133 if ($courseid) {
 134     print_footer($course);
 135 } else {
 136     admin_externalpage_print_footer();
 137 }
 138
 139
 140 ?>
 141