[Summary view] [Print] [Text view]

   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   * Cohort related management functions, this file needs to be included manually.
  19   *
  20   * @package    core_cohort
  21   * @copyright  2010 Petr Skoda  {@link http://skodak.org}
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  defined('MOODLE_INTERNAL') || die();
  26  
  27  require_once($CFG->dirroot . '/lib/formslib.php');
  28  
  29  class cohort_edit_form extends moodleform {
  30  
  31      /**
  32       * Define the cohort edit form
  33       */
  34      public function definition() {
  35  
  36          $mform = $this->_form;
  37          $editoroptions = $this->_customdata['editoroptions'];
  38          $cohort = $this->_customdata['data'];
  39  
  40          $mform->addElement('text', 'name', get_string('name', 'cohort'), 'maxlength="254" size="50"');
  41          $mform->addRule('name', get_string('required'), 'required', null, 'client');
  42          $mform->setType('name', PARAM_TEXT);
  43  
  44          $options = $this->get_category_options($cohort->contextid);
  45          $mform->addElement('select', 'contextid', get_string('context', 'role'), $options);
  46  
  47          $mform->addElement('text', 'idnumber', get_string('idnumber', 'cohort'), 'maxlength="254" size="50"');
  48          $mform->setType('idnumber', PARAM_RAW); // Idnumbers are plain text, must not be changed.
  49  
  50          $mform->addElement('advcheckbox', 'visible', get_string('visible', 'cohort'));
  51          $mform->setDefault('visible', 1);
  52          $mform->addHelpButton('visible', 'visible', 'cohort');
  53  
  54          $mform->addElement('editor', 'description_editor', get_string('description', 'cohort'), null, $editoroptions);
  55          $mform->setType('description_editor', PARAM_RAW);
  56  
  57          $mform->addElement('hidden', 'id');
  58          $mform->setType('id', PARAM_INT);
  59  
  60          if (isset($this->_customdata['returnurl'])) {
  61              $mform->addElement('hidden', 'returnurl', $this->_customdata['returnurl']->out_as_local_url());
  62              $mform->setType('returnurl', PARAM_LOCALURL);
  63          }
  64  
  65          $this->add_action_buttons();
  66  
  67          $this->set_data($cohort);
  68      }
  69  
  70      public function validation($data, $files) {
  71          global $DB;
  72  
  73          $errors = parent::validation($data, $files);
  74  
  75          $idnumber = trim($data['idnumber']);
  76          if ($idnumber === '') {
  77              // Fine, empty is ok.
  78  
  79          } else if ($data['id']) {
  80              $current = $DB->get_record('cohort', array('id'=>$data['id']), '*', MUST_EXIST);
  81              if ($current->idnumber !== $idnumber) {
  82                  if ($DB->record_exists('cohort', array('idnumber'=>$idnumber))) {
  83                      $errors['idnumber'] = get_string('duplicateidnumber', 'cohort');
  84                  }
  85              }
  86  
  87          } else {
  88              if ($DB->record_exists('cohort', array('idnumber'=>$idnumber))) {
  89                  $errors['idnumber'] = get_string('duplicateidnumber', 'cohort');
  90              }
  91          }
  92  
  93          return $errors;
  94      }
  95  
  96      protected function get_category_options($currentcontextid) {
  97          global $CFG;
  98          require_once($CFG->libdir. '/coursecatlib.php');
  99          $displaylist = coursecat::make_categories_list('moodle/cohort:manage');
 100          $options = array();
 101          $syscontext = context_system::instance();
 102          if (has_capability('moodle/cohort:manage', $syscontext)) {
 103              $options[$syscontext->id] = $syscontext->get_context_name();
 104          }
 105          foreach ($displaylist as $cid=>$name) {
 106              $context = context_coursecat::instance($cid);
 107              $options[$context->id] = $name;
 108          }
 109          // Always add current - this is not likely, but if the logic gets changed it might be a problem.
 110          if (!isset($options[$currentcontextid])) {
 111              $context = context::instance_by_id($currentcontextid, MUST_EXIST);
 112              $options[$context->id] = $syscontext->get_context_name();
 113          }
 114          return $options;
 115      }
 116  }
 117