grade/edit/outcome/edit_form.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Edit form for grade outcomes
  19  *
  20  * @package   core_grades
  21  * @copyright 2007 Petr Skoda
  22  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 if (!defined('MOODLE_INTERNAL')) {
  26     die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
  27 }
  28
  29 require_once $CFG->libdir.'/formslib.php';
  30
  31 class edit_outcome_form extends moodleform {
  32     public function definition() {
  33         global $CFG, $COURSE;
  34         $mform =& $this->_form;
  35
  36         // visible elements
  37         $mform->addElement('header', 'general', get_string('outcomes', 'grades'));
  38
  39         $mform->addElement('text', 'fullname', get_string('outcomefullname', 'grades'), 'size="40"');
  40         $mform->addRule('fullname', get_string('required'), 'required');
  41         $mform->setType('fullname', PARAM_TEXT);
  42
  43         $mform->addElement('text', 'shortname', get_string('outcomeshortname', 'grades'), 'size="20"');
  44         $mform->addRule('shortname', get_string('required'), 'required');
  45         $mform->setType('shortname', PARAM_NOTAGS);
  46
  47         $mform->addElement('advcheckbox', 'standard', get_string('outcomestandard', 'grades'));
  48         $mform->addHelpButton('standard', 'outcomestandard', 'grades');
  49
  50         $options = array();
  51
  52         $mform->addElement('selectwithlink', 'scaleid', get_string('scale'), $options, null,
  53             array('link' => $CFG->wwwroot.'/grade/edit/scale/edit.php?courseid='.$COURSE->id, 'label' => get_string('scalescustomcreate')));
  54         $mform->addHelpButton('scaleid', 'typescale', 'grades');
  55         $mform->addRule('scaleid', get_string('required'), 'required');
  56
  57         $mform->addElement('editor', 'description_editor', get_string('description'), null, $this->_customdata['editoroptions']);
  58
  59
  60         // hidden params
  61         $mform->addElement('hidden', 'id', 0);
  62         $mform->setType('id', PARAM_INT);
  63
  64         $mform->addElement('hidden', 'courseid', 0);
  65         $mform->setType('courseid', PARAM_INT);
  66
  67 /// add return tracking info
  68         $gpr = $this->_customdata['gpr'];
  69         $gpr->add_mform_elements($mform);
  70
  71 //-------------------------------------------------------------------------------
  72         // buttons
  73         $this->add_action_buttons();
  74     }
  75
  76
  77 /// tweak the form - depending on existing data
  78     function definition_after_data() {
  79         global $CFG;
  80
  81         $mform =& $this->_form;
  82
  83         // first load proper scales
  84         if ($courseid = $mform->getElementValue('courseid')) {
  85             $options = array();
  86             if ($scales = grade_scale::fetch_all_local($courseid)) {
  87                 $options[-1] = '--'.get_string('scalescustom');
  88                 foreach($scales as $scale) {
  89                     $options[$scale->id] = $scale->get_name();
  90                 }
  91             }
  92             if ($scales = grade_scale::fetch_all_global()) {
  93                 $options[-2] = '--'.get_string('scalesstandard');
  94                 foreach($scales as $scale) {
  95                     $options[$scale->id] = $scale->get_name();
  96                 }
  97             }
  98             $scale_el =& $mform->getElement('scaleid');
  99             $scale_el->load($options);
 100
 101         } else {
 102             $options = array();
 103             if ($scales = grade_scale::fetch_all_global()) {
 104                 foreach($scales as $scale) {
 105                     $options[$scale->id] = $scale->get_name();
 106                 }
 107             }
 108             $scale_el =& $mform->getElement('scaleid');
 109             $scale_el->load($options);
 110         }
 111
 112         if ($id = $mform->getElementValue('id')) {
 113             $outcome = grade_outcome::fetch(array('id'=>$id));
 114             $itemcount   = $outcome->get_item_uses_count();
 115             $coursecount = $outcome->get_course_uses_count();
 116
 117             if ($itemcount) {
 118                 $mform->hardFreeze('scaleid');
 119             }
 120
 121             if (empty($courseid)) {
 122                 $mform->hardFreeze('standard');
 123
 124             } else if (!has_capability('moodle/grade:manage', context_system::instance())) {
 125                 $mform->hardFreeze('standard');
 126
 127             } else if ($coursecount and empty($outcome->courseid)) {
 128                 $mform->hardFreeze('standard');
 129             }
 130
 131
 132         } else {
 133             if (empty($courseid) or !has_capability('moodle/grade:manage', context_system::instance())) {
 134                 $mform->hardFreeze('standard');
 135             }
 136         }
 137     }
 138
 139 /// perform extra validation before submission
 140     function validation($data, $files) {
 141         $errors = parent::validation($data, $files);
 142
 143         if ($data['scaleid'] < 1) {
 144             $errors['scaleid'] = get_string('required');
 145         }
 146
 147         if (!empty($data['standard']) and $scale = grade_scale::fetch(array('id'=>$data['scaleid']))) {
 148             if (!empty($scale->courseid)) {
 149                 //TODO: localize
 150                 $errors['scaleid'] = 'Can not use custom scale in global outcome!';
 151             }
 152         }
 153
 154         return $errors;
 155     }
 156
 157
 158 }
 159
 160