grade/edit/edit_category_form.php

   1 <?php  //$Id$
   2
   3 require_once $CFG->libdir.'/formslib.php';
   4
   5 class edit_category_form extends moodleform {
   6     function definition() {
   7         $mform =& $this->_form;
   8
   9         // visible elements
  10         $mform->addElement('text', 'fullname', get_string('categoryname', 'grades'));
  11
  12         $options = array(GRADE_AGGREGATE_MEAN_ALL   =>get_string('aggregatemeanall', 'grades'),
  13                          GRADE_AGGREGATE_MEDIAN     =>get_string('aggregatemedian', 'grades'),
  14                          GRADE_AGGREGATE_MEAN_GRADED=>get_string('aggregatemeangraded', 'grades'),
  15                          GRADE_AGGREGATE_MIN        =>get_string('aggregatemin', 'grades'),
  16                          GRADE_AGGREGATE_MAX        =>get_string('aggregatemax', 'grades'),
  17                          GRADE_AGGREGATE_MODE       =>get_string('aggregatemode', 'grades'));
  18         $mform->addElement('select', 'aggregation', get_string('aggregation', 'grades'), $options);
  19         $mform->setDefault('gradetype', GRADE_AGGREGATE_MEAN_ALL);
  20
  21         $options = array();
  22         $options[0] = get_string('none');
  23         for ($i=1; $i<=20; $i++) {
  24             $options[$i] = $i;
  25         }
  26         $mform->addElement('select', 'keephigh', get_string('keephigh', 'grades'), $options);
  27         $mform->disabledIf('keephigh', 'droplow', 'noteq', 0);
  28
  29         $mform->addElement('select', 'droplow', get_string('droplow', 'grades'), $options);
  30         $mform->disabledIf('droplow', 'keephigh', 'noteq', 0);
  31
  32         // hidden params
  33         $mform->addElement('hidden', 'id', 0);
  34         $mform->setType('id', PARAM_INT);
  35
  36         $mform->addElement('hidden', 'courseid', 0);
  37         $mform->setType('courseid', PARAM_INT);
  38
  39 //-------------------------------------------------------------------------------
  40         // buttons
  41         $this->add_action_buttons();
  42     }
  43
  44
  45 /// tweak the form - depending on existing data
  46     function definition_after_data() {
  47         global $CFG;
  48
  49         $mform =& $this->_form;
  50
  51         if ($id = $mform->getElementValue('id')) {
  52             $grade_category = grade_category::fetch(array('id'=>$id));
  53             $grade_item = $grade_category->load_grade_item();
  54
  55             if ($grade_item->is_calculated()) {
  56                 // following elements are ignored when calculation formula used
  57                 if ($mform->elementExists('aggregation')) {
  58                     $mform->removeElement('aggregation');
  59                 }
  60                 if ($mform->elementExists('keephigh')) {
  61                     $mform->removeElement('keephigh');
  62                 }
  63                 if ($mform->elementExists('droplow')) {
  64                     $mform->removeElement('droplow');
  65                 }
  66             }
  67         }
  68     }
  69
  70 }
  71
  72 ?>