grade/edit/outcome/edit_form.php

   1 <?php  //$Id$
   2
   3 ///////////////////////////////////////////////////////////////////////////
   4 //                                                                       //
   5 // NOTICE OF COPYRIGHT                                                   //
   6 //                                                                       //
   7 // Moodle - Modular Object-Oriented Dynamic Learning Environment         //
   8 //          http://moodle.com                                            //
   9 //                                                                       //
  10 // Copyright (C) 1999 onwards  Martin Dougiamas  http://moodle.com       //
  11 //                                                                       //
  12 // This program is free software; you can redistribute it and/or modify  //
  13 // it under the terms of the GNU General Public License as published by  //
  14 // the Free Software Foundation; either version 2 of the License, or     //
  15 // (at your option) any later version.                                   //
  16 //                                                                       //
  17 // This program is distributed in the hope that it will be useful,       //
  18 // but WITHOUT ANY WARRANTY; without even the implied warranty of        //
  19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
  20 // GNU General Public License for more details:                          //
  21 //                                                                       //
  22 //          http://www.gnu.org/copyleft/gpl.html                         //
  23 //                                                                       //
  24 ///////////////////////////////////////////////////////////////////////////
  25
  26 require_once $CFG->libdir.'/formslib.php';
  27
  28 class edit_outcome_form extends moodleform {
  29     function definition() {
  30         global $CFG, $COURSE;
  31         $mform =& $this->_form;
  32
  33         // visible elements
  34         $mform->addElement('header', 'general', get_string('outcomes', 'grades'));
  35
  36         $mform->addElement('text', 'fullname', get_string('fullname'), 'size="40"');
  37         $mform->addRule('fullname', get_string('required'), 'required');
  38         $mform->setType('fullname', PARAM_TEXT);
  39
  40         $mform->addElement('text', 'shortname', get_string('shortname'), 'size="20"');
  41         $mform->addRule('shortname', get_string('required'), 'required');
  42         $mform->setType('shortname', PARAM_NOTAGS);
  43
  44         $mform->addElement('advcheckbox', 'standard', get_string('outcomestandard', 'grades'));
  45         $mform->setHelpButton('standard', array('outcomestandard', get_string('outcomestandard'), 'grade'));
  46
  47         $options = array();
  48
  49         $mform->addElement('select', 'scaleid', get_string('scale'), $options);
  50         $mform->setHelpButton('scaleid', array('scaleid', get_string('scale'), 'grade'));
  51         $mform->addRule('scaleid', get_string('required'), 'required');
  52
  53         $mform->addElement('htmleditor', 'description', get_string('description'), array('cols'=>80, 'rows'=>20));
  54
  55
  56         // hidden params
  57         $mform->addElement('hidden', 'id', 0);
  58         $mform->setType('id', PARAM_INT);
  59
  60         $mform->addElement('hidden', 'courseid', 0);
  61         $mform->setType('courseid', PARAM_INT);
  62
  63 /// add return tracking info
  64         $gpr = $this->_customdata['gpr'];
  65         $gpr->add_mform_elements($mform);
  66
  67 //-------------------------------------------------------------------------------
  68         // buttons
  69         $this->add_action_buttons();
  70     }
  71
  72
  73 /// tweak the form - depending on existing data
  74     function definition_after_data() {
  75         global $CFG;
  76
  77         $mform =& $this->_form;
  78
  79         // first load proper scales
  80         if ($courseid = $mform->getElementValue('courseid')) {
  81             $options = array();
  82             if ($scales = grade_scale::fetch_all_local($courseid)) {
  83                 $options[-1] = '--'.get_string('scalescustom');
  84                 foreach($scales as $scale) {
  85                     $options[$scale->id] = $scale->get_name();
  86                 }
  87             }
  88             if ($scales = grade_scale::fetch_all_global()) {
  89                 $options[-2] = '--'.get_string('scalesstandard');
  90                 foreach($scales as $scale) {
  91                     $options[$scale->id] = $scale->get_name();
  92                 }
  93             }
  94             $scale_el =& $mform->getElement('scaleid');
  95             $scale_el->load($options);
  96
  97         } else {
  98             $options = array();
  99             if ($scales = grade_scale::fetch_all_global()) {
 100                 foreach($scales as $scale) {
 101                     $options[$scale->id] = $scale->get_name();
 102                 }
 103             }
 104             $scale_el =& $mform->getElement('scaleid');
 105             $scale_el->load($options);
 106         }
 107
 108         if ($id = $mform->getElementValue('id')) {
 109             $outcome = grade_outcome::fetch(array('id'=>$id));
 110             $itemcount   = $outcome->get_item_uses_count();
 111             $coursecount = $outcome->get_course_uses_count();
 112
 113             if ($itemcount) {
 114                 $mform->hardFreeze('scaleid');
 115             }
 116
 117             if (empty($courseid)) {
 118                 $mform->hardFreeze('standard');
 119
 120             } else if (empty($outcome->courseid) and !has_capability('moodle/grade:manage', get_context_instance(CONTEXT_SYSTEM))) {
 121                 $mform->hardFreeze('standard');
 122
 123             } else if ($coursecount and empty($outcome->courseid)) {
 124                 $mform->hardFreeze('standard');
 125             }
 126
 127
 128         } else {
 129             if (empty($courseid) or !has_capability('moodle/grade:manage', get_context_instance(CONTEXT_SYSTEM))) {
 130                 $mform->hardFreeze('standard');
 131             }
 132         }
 133     }
 134
 135 /// perform extra validation before submission
 136     function validation($data, $files) {
 137         $errors = parent::validation($data, $files);
 138
 139         if ($data['scaleid'] < 1) {
 140             $errors['scaleid'] = get_string('required');
 141         }
 142
 143         if (!empty($data['standard']) and $scale = grade_scale::fetch(array('id'=>$data['scaleid']))) {
 144             if (!empty($scale->courseid)) {
 145                 //TODO: localize
 146                 $errors['scaleid'] = 'Can not use custom scale in global outcome!';
 147             }
 148         }
 149
 150         return $errors;
 151     }
 152
 153
 154 }
 155
 156 ?>