grade/edit/calculation.php

   1 <?php  //$Id$
   2
   3 require_once '../../config.php';
   4 require_once $CFG->dirroot.'/grade/lib.php';
   5 require_once 'calculation_form.php';
   6
   7 $courseid = required_param('courseid', PARAM_INT);
   8 $id       = required_param('id', PARAM_INT);
   9
  10 if (!$course = get_record('course', 'id', $courseid)) {
  11     print_error('nocourseid');
  12 }
  13
  14 require_login($course);
  15 $context = get_context_instance(CONTEXT_COURSE, $course->id);
  16 require_capability('moodle/grade:manage', $context);
  17
  18 // default return url
  19 $gpr = new grade_plugin_return();
  20 $returnurl = $gpr->get_return_url($CFG->wwwroot.'/grade/report.php?id='.$course->id);
  21
  22 if (!$grade_item = grade_item::fetch(array('id'=>$id, 'courseid'=>$course->id))) {
  23     error('Incorect item id');
  24 }
  25
  26 // module items and items without grade can not have calculation
  27 if ($grade_item->is_normal_item() or ($grade_item->gradetype != GRADE_TYPE_VALUE and $grade_item->gradetype != GRADE_TYPE_SCALE)) {
  28     redirect($returnurl, get_string('erornocalculationallowed', 'grades')); //TODO: localize
  29 }
  30
  31 $mform = new edit_calculation_form(null, array('gpr'=>$gpr));
  32
  33 if ($mform->is_cancelled()) {
  34     redirect($returnurl);
  35
  36 } else if (!$mform->is_submitted()) {
  37     $calculation = grade_item::denormalize_formula($grade_item->calculation, $grade_item->courseid);
  38     $mform->set_data(array('courseid'=>$grade_item->courseid, 'calculation'=>$calculation, 'id'=>$grade_item->id, 'itemname'=>$grade_item->itemname));
  39
  40 } else if ($data = $mform->get_data()) {
  41     $grade_item->set_calculation($data->calculation);
  42     redirect($returnurl);
  43 }
  44
  45 $strgrades          = get_string('grades');
  46 $strgraderreport    = get_string('graderreport', 'grades');
  47 $strcalculationedit = get_string('editcalculation', 'grades');
  48
  49 $nav = array(array('name'=>$strgrades,'link'=>$CFG->wwwroot.'/grade/index.php?id='.$courseid, 'type'=>'misc'),
  50              array('name'=>$strcalculationedit, 'link'=>'', 'type'=>'misc'));
  51
  52 $navigation = build_navigation($nav);
  53
  54
  55 print_header_simple($strgrades . ': ' . $strgraderreport, ': ' . $strcalculationedit, $navigation, '', '', true, '', navmenu($course));
  56
  57 $mform->display();
  58
  59 print_footer($course);