add_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  * This file contains the forms to add
  19  *
  20  * @package   mod_attendance
  21  * @copyright  2011 Artem Andreev <andreev.artem@gmail.com>
  22  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require_once($CFG->libdir.'/formslib.php');
  26
  27 /**
  28  * class for displaying add form.
  29  *
  30  * @copyright  2011 Artem Andreev <andreev.artem@gmail.com>
  31  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  32  */
  33 class mod_attendance_add_form extends moodleform {
  34
  35     /**
  36      * Called to define this moodle form
  37      *
  38      * @return void
  39      */
  40     public function definition() {
  41
  42         global $CFG, $USER;
  43         $mform    =& $this->_form;
  44
  45         $course        = $this->_customdata['course'];
  46         $cm            = $this->_customdata['cm'];
  47         $modcontext    = $this->_customdata['modcontext'];
  48
  49         $mform->addElement('header', 'general', get_string('addsession', 'attendance'));
  50
  51         $groupmode = groups_get_activity_groupmode($cm);
  52         switch ($groupmode) {
  53             case NOGROUPS:
  54                 $mform->addElement('static', 'sessiontypedescription', get_string('sessiontype', 'attendance'),
  55                                   get_string('commonsession', 'attendance'));
  56                 $mform->addHelpButton('sessiontypedescription', 'sessiontype', 'attendance');
  57                 $mform->addElement('hidden', 'sessiontype', attendance::SESSION_COMMON);
  58                 $mform->setType('sessiontype', PARAM_INT);
  59                 break;
  60             case SEPARATEGROUPS:
  61                 $mform->addElement('static', 'sessiontypedescription', get_string('sessiontype', 'attendance'),
  62                                   get_string('groupsession', 'attendance'));
  63                 $mform->addHelpButton('sessiontypedescription', 'sessiontype', 'attendance');
  64                 $mform->addElement('hidden', 'sessiontype', attendance::SESSION_GROUP);
  65                 $mform->setType('sessiontype', PARAM_INT);
  66                 break;
  67             case VISIBLEGROUPS:
  68                 $radio=array();
  69                 $radio[] = &$mform->createElement('radio', 'sessiontype', '',
  70                                                   get_string('commonsession', 'attendance'), attendance::SESSION_COMMON);
  71                 $radio[] = &$mform->createElement('radio', 'sessiontype', '',
  72                                                   get_string('groupsession', 'attendance'), attendance::SESSION_GROUP);
  73                 $mform->addGroup($radio, 'sessiontype', get_string('sessiontype', 'attendance'), ' ', false);
  74                 $mform->setType('sessiontype', PARAM_INT);
  75                 $mform->addHelpButton('sessiontype', 'sessiontype', 'attendance');
  76                 $mform->setDefault('sessiontype', attendance::SESSION_COMMON);
  77                 break;
  78         }
  79         if ($groupmode == SEPARATEGROUPS or $groupmode == VISIBLEGROUPS) {
  80             if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $modcontext)) {
  81                 $groups = groups_get_all_groups ($course->id, $USER->id, $cm->groupingid);
  82             } else {
  83                 $groups = groups_get_all_groups($course->id, 0, $cm->groupingid);
  84             }
  85             if ($groups) {
  86                 $selectgroups = array();
  87                 foreach ($groups as $group) {
  88                     $selectgroups[$group->id] = $group->name;
  89                 }
  90                 $select = &$mform->addElement('select', 'groups', get_string('groups', 'group'), $selectgroups);
  91                 $select->setMultiple(true);
  92                 $mform->disabledIf('groups', 'sessiontype', 'neq', attendance::SESSION_GROUP);
  93             } else {
  94                 $mform->updateElementAttr($radio, array('disabled'=>'disabled'));
  95                 $mform->addElement('static', 'groups', get_string('groups', 'group'),
  96                                   get_string('nogroups', 'attendance'));
  97                 if ($groupmode == SEPARATEGROUPS) {
  98                     return;
  99                 }
 100             }
 101         }
 102
 103         $mform->addElement('checkbox', 'addmultiply', '', get_string('createmultiplesessions', 'attendance'));
 104         $mform->addHelpButton('addmultiply', 'createmultiplesessions', 'attendance');
 105
 106         // Students can mark own attendance.
 107         $mform->addElement('checkbox', 'studentscanmark', '', get_string('studentscanmark','attendance'));
 108         $mform->addHelpButton('studentscanmark', 'studentscanmark', 'attendance');
 109
 110         $mform->addElement('date_time_selector', 'sessiondate', get_string('sessiondate', 'attendance'));
 111
 112         for ($i=0; $i<=23; $i++) {
 113             $hours[$i] = sprintf("%02d", $i);
 114         }
 115         for ($i=0; $i<60; $i+=5) {
 116             $minutes[$i] = sprintf("%02d", $i);
 117         }
 118         $durtime = array();
 119         $durtime[] =& $mform->createElement('select', 'hours', get_string('hour', 'form'), $hours, false, true);
 120         $durtime[] =& $mform->createElement('select', 'minutes', get_string('minute', 'form'), $minutes, false, true);
 121         $mform->addGroup($durtime, 'durtime', get_string('duration', 'attendance'), array(' '), true);
 122
 123         $mform->addElement('date_selector', 'sessionenddate', get_string('sessionenddate', 'attendance'));
 124         $mform->disabledIf('sessionenddate', 'addmultiply', 'notchecked');
 125
 126         $sdays = array();
 127         if ($CFG->calendar_startwday === '0') { // Week start from sunday.
 128             $sdays[] =& $mform->createElement('checkbox', 'Sun', '', get_string('sunday', 'calendar'));
 129         }
 130         $sdays[] =& $mform->createElement('checkbox', 'Mon', '', get_string('monday', 'calendar'));
 131         $sdays[] =& $mform->createElement('checkbox', 'Tue', '', get_string('tuesday', 'calendar'));
 132         $sdays[] =& $mform->createElement('checkbox', 'Wed', '', get_string('wednesday', 'calendar'));
 133         $sdays[] =& $mform->createElement('checkbox', 'Thu', '', get_string('thursday', 'calendar'));
 134         $sdays[] =& $mform->createElement('checkbox', 'Fri', '', get_string('friday', 'calendar'));
 135         $sdays[] =& $mform->createElement('checkbox', 'Sat', '', get_string('saturday', 'calendar'));
 136         if ($CFG->calendar_startwday !== '0') { // Week start from sunday.
 137             $sdays[] =& $mform->createElement('checkbox', 'Sun', '', get_string('sunday', 'calendar'));
 138         }
 139         $mform->addGroup($sdays, 'sdays', get_string('sessiondays', 'attendance'), array('&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'), true);
 140         $mform->disabledIf('sdays', 'addmultiply', 'notchecked');
 141
 142         $period = array(1=>1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36);
 143         $periodgroup = array();
 144         $periodgroup[] =& $mform->createElement('select', 'period', '', $period, false, true);
 145         $periodgroup[] =& $mform->createElement('static', 'perioddesc', '', get_string('week', 'attendance'));
 146         $mform->addGroup($periodgroup, 'periodgroup', get_string('period', 'attendance'), array(' '), false);
 147         $mform->disabledIf('periodgroup', 'addmultiply', 'notchecked');
 148
 149         $mform->addElement('editor', 'sdescription', get_string('description', 'attendance'),
 150                            null, array('maxfiles'=>EDITOR_UNLIMITED_FILES, 'noclean'=>true, 'context'=>$modcontext));
 151         $mform->setType('sdescription', PARAM_RAW);
 152
 153         $submit_string = get_string('addsession', 'attendance');
 154         $this->add_action_buttons(false, $submit_string);
 155     }
 156
 157     /**
 158      * Perform minimal validation on the settings form
 159      * @param array $data
 160      * @param array $files
 161      */
 162     public function validation($data, $files) {
 163         $errors = parent::validation($data, $files);
 164
 165         if (!empty($data['addmultiply']) && $data['sessiondate'] != 0 && $data['sessionenddate'] != 0 && $data['sessionenddate'] < $data['sessiondate']) {
 166             $errors['sessionenddate'] = get_string('invalidsessionenddate', 'attendance');
 167         }
 168
 169         if ($data['sessiontype'] == attendance::SESSION_GROUP and empty($data['groups'])) {
 170             $errors['groups'] = get_string('errorgroupsnotselected', 'attendance');
 171         }
 172
 173         $addmulti = isset($data['addmultiply'])? (int)$data['addmultiply'] : 0;
 174         if (($addmulti != 0) && (!array_key_exists('sdays',$data) || empty($data['sdays']))) {
 175             $data['sdays']= array();
 176             $errors['sdays'] = get_string('required', 'attendance');
 177         }
 178         return $errors;
 179     }
 180
 181 }