course/editsection_form.php

   1 <?php
   2
   3 if (!defined('MOODLE_INTERNAL')) {
   4     die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
   5 }
   6
   7 require_once($CFG->libdir.'/formslib.php');
   8
   9 class editsection_form extends moodleform {
  10
  11     function definition() {
  12
  13         $mform  = $this->_form;
  14         $course = $this->_customdata['course'];
  15         $mform->addElement('checkbox', 'usedefaultname', get_string('sectionusedefaultname'));
  16         $mform->setDefault('usedefaultname', true);
  17
  18         $mform->addElement('text', 'name', get_string('sectionname'), array('size'=>'30'));
  19         $mform->setType('name', PARAM_TEXT);
  20         $mform->disabledIf('name','usedefaultname','checked');
  21
  22         /// Prepare course and the editor
  23
  24         $mform->addElement('editor', 'summary_editor', get_string('summary'), null, $this->_customdata['editoroptions']);
  25         $mform->addHelpButton('summary_editor', 'summary');
  26         $mform->setType('summary_editor', PARAM_RAW);
  27
  28         $mform->addElement('hidden', 'id');
  29         $mform->setType('id', PARAM_INT);
  30
  31         $mform->_registerCancelButton('cancel');
  32     }
  33
  34     public function definition_after_data() {
  35         global $CFG, $DB;
  36
  37         $mform  = $this->_form;
  38         $course = $this->_customdata['course'];
  39
  40         if (!empty($CFG->enableavailability)) {
  41             // Grouping conditions - only if grouping is enabled at site level
  42             if (!empty($CFG->enablegroupmembersonly)) {
  43                 $options = array();
  44                 $options[0] = get_string('none');
  45                 if ($groupings = $DB->get_records('groupings', array('courseid' => $course->id))) {
  46                     foreach ($groupings as $grouping) {
  47                         $context = context_course::instance($course->id);
  48                         $options[$grouping->id] = format_string(
  49                                 $grouping->name, true, array('context' => $context));
  50                     }
  51                 }
  52                 $mform->addElement('header', '', get_string('availabilityconditions', 'condition'));
  53                 $mform->addElement('select', 'groupingid', get_string('groupingsection', 'group'), $options);
  54                 $mform->addHelpButton('groupingid', 'groupingsection', 'group');
  55             }
  56
  57             // Date and time conditions
  58             $mform->addElement('date_time_selector', 'availablefrom',
  59                     get_string('availablefrom', 'condition'), array('optional' => true));
  60             $mform->addElement('date_time_selector', 'availableuntil',
  61                     get_string('availableuntil', 'condition'), array('optional' => true));
  62
  63             // Conditions based on grades
  64             $gradeoptions = array();
  65             $items = grade_item::fetch_all(array('courseid' => $course->id));
  66             $items = $items ? $items : array();
  67             foreach ($items as $id => $item) {
  68                 $gradeoptions[$id] = $item->get_name();
  69             }
  70             asort($gradeoptions);
  71             $gradeoptions = array(0 => get_string('none', 'condition')) + $gradeoptions;
  72
  73             $grouparray = array();
  74             $grouparray[] = $mform->createElement('select', 'conditiongradeitemid', '', $gradeoptions);
  75             $grouparray[] = $mform->createElement('static', '', '',
  76                     ' ' . get_string('grade_atleast', 'condition').' ');
  77             $grouparray[] = $mform->createElement('text', 'conditiongrademin', '', array('size' => 3));
  78             $grouparray[] = $mform->createElement('static', '', '',
  79                     '% ' . get_string('grade_upto', 'condition') . ' ');
  80             $grouparray[] = $mform->createElement('text', 'conditiongrademax', '', array('size' => 3));
  81             $grouparray[] = $mform->createElement('static', '', '', '%');
  82             $group = $mform->createElement('group', 'conditiongradegroup',
  83                     get_string('gradecondition', 'condition'), $grouparray);
  84
  85             // Get full version (including condition info) of section object
  86             $ci = new condition_info_section($this->_customdata['cs']);
  87             $fullcs = $ci->get_full_section();
  88             $count = count($fullcs->conditionsgrade) + 1;
  89
  90             // Grade conditions
  91             $this->repeat_elements(array($group), $count, array(), 'conditiongraderepeats',
  92                     'conditiongradeadds', 2, get_string('addgrades', 'condition'), true);
  93             $mform->addHelpButton('conditiongradegroup[0]', 'gradecondition', 'condition');
  94
  95             // Conditions based on completion
  96             $completion = new completion_info($course);
  97             if ($completion->is_enabled()) {
  98                 $completionoptions = array();
  99                 $modinfo = get_fast_modinfo($course);
 100                 foreach ($modinfo->cms as $id => $cm) {
 101                     // Add each course-module if it:
 102                     // (a) has completion turned on
 103                     // (b) does not belong to current course-section
 104                     if ($cm->completion && ($fullcs->id != $cm->section)) {
 105                         $completionoptions[$id] = $cm->name;
 106                     }
 107                 }
 108                 asort($completionoptions);
 109                 $completionoptions = array(0 => get_string('none', 'condition')) +
 110                         $completionoptions;
 111
 112                 $completionvalues = array(
 113                     COMPLETION_COMPLETE => get_string('completion_complete', 'condition'),
 114                     COMPLETION_INCOMPLETE => get_string('completion_incomplete', 'condition'),
 115                     COMPLETION_COMPLETE_PASS => get_string('completion_pass', 'condition'),
 116                     COMPLETION_COMPLETE_FAIL => get_string('completion_fail', 'condition'));
 117
 118                 $grouparray = array();
 119                 $grouparray[] = $mform->createElement('select', 'conditionsourcecmid', '',
 120                         $completionoptions);
 121                 $grouparray[] = $mform->createElement('select', 'conditionrequiredcompletion', '',
 122                         $completionvalues);
 123                 $group = $mform->createElement('group', 'conditioncompletiongroup',
 124                         get_string('completioncondition', 'condition'), $grouparray);
 125
 126                 $count = count($fullcs->conditionscompletion) + 1;
 127                 $this->repeat_elements(array($group), $count, array(),
 128                         'conditioncompletionrepeats', 'conditioncompletionadds', 2,
 129                         get_string('addcompletions', 'condition'), true);
 130                 $mform->addHelpButton('conditioncompletiongroup[0]',
 131                         'completionconditionsection', 'condition');
 132             }
 133
 134             // Availability conditions - set up form values
 135             if (!empty($CFG->enableavailability)) {
 136                 $num = 0;
 137                 foreach ($fullcs->conditionsgrade as $gradeitemid => $minmax) {
 138                     $groupelements = $mform->getElement(
 139                             'conditiongradegroup[' . $num . ']')->getElements();
 140                     $groupelements[0]->setValue($gradeitemid);
 141                     $groupelements[2]->setValue(is_null($minmax->min) ? '' :
 142                             format_float($minmax->min, 5, true, true));
 143                     $groupelements[4]->setValue(is_null($minmax->max) ? '' :
 144                             format_float($minmax->max, 5, true, true));
 145                     $num++;
 146                 }
 147
 148                 if ($completion->is_enabled()) {
 149                     $num = 0;
 150                     foreach ($fullcs->conditionscompletion as $othercmid => $state) {
 151                         $groupelements = $mform->getElement('conditioncompletiongroup[' . $num . ']')->getElements();
 152                         $groupelements[0]->setValue($othercmid);
 153                         $groupelements[1]->setValue($state);
 154                         $num++;
 155                     }
 156                 }
 157             }
 158
 159             // Do we display availability info to students?
 160             $showhide = array(
 161                 CONDITION_STUDENTVIEW_SHOW => get_string('showavailabilitysection_show', 'condition'),
 162                 CONDITION_STUDENTVIEW_HIDE => get_string('showavailabilitysection_hide', 'condition'));
 163             $mform->addElement('select', 'showavailability',
 164                     get_string('showavailabilitysection', 'condition'), $showhide);
 165
 166             $mform->setDefault('showavailability', $this->_customdata['showavailability']);
 167         }
 168
 169         $this->add_action_buttons();
 170     }
 171
 172     public function validation($data, $files) {
 173         $errors = parent::validation($data, $files);
 174         // Conditions: Don't let them set dates which make no sense
 175         if (array_key_exists('availablefrom', $data) &&
 176                 $data['availablefrom'] && $data['availableuntil'] &&
 177                 $data['availablefrom'] > $data['availableuntil']) {
 178             $errors['availablefrom'] = get_string('badavailabledates', 'condition');
 179         }
 180
 181         return $errors;
 182     }
 183 }