badges/criteria_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  * Form classes for editing badges criteria
  19  *
  20  * @package    core
  21  * @subpackage badges
  22  * @copyright  2012 onwards Totara Learning Solutions Ltd {@link http://www.totaralms.com/}
  23  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  * @author     Yuliya Bozhko <yuliya.bozhko@totaralms.com>
  25  */
  26
  27 defined('MOODLE_INTERNAL') || die();
  28
  29 require_once($CFG->libdir . '/formslib.php');
  30 require_once($CFG->libdir . '/badgeslib.php');
  31
  32 /**
  33  * Form to edit badge criteria.
  34  *
  35  */
  36 class edit_criteria_form extends moodleform {
  37     public function definition() {
  38         global $DB;
  39         $mform = $this->_form;
  40         $criteria = $this->_customdata['criteria'];
  41         $addcourse = $this->_customdata['addcourse'];
  42         $course = $this->_customdata['course'];
  43
  44         // Get course selector first if it's a new courseset criteria.
  45         if (($criteria->id == 0 || $addcourse) && $criteria->criteriatype == BADGE_CRITERIA_TYPE_COURSESET) {
  46             $criteria->get_courses($mform);
  47         } else {
  48             if ($criteria->id == 0 && $criteria->criteriatype == BADGE_CRITERIA_TYPE_COURSE) {
  49                 $mform->addElement('hidden', 'course', $course);
  50                 $mform->setType('course', PARAM_INT);
  51             }
  52             list($none, $message) = $criteria->get_options($mform);
  53
  54             if ($none) {
  55                 $mform->addElement('html', html_writer::tag('div', $message));
  56                 $mform->addElement('submit', 'cancel', get_string('continue'));
  57             } else {
  58                 $mform->addElement('header', 'description_header', get_string('description'));
  59                 $mform->addElement('editor', 'description', '', null, null);
  60                 $mform->setType('description', PARAM_RAW);
  61                 $mform->setDefault('description', array(
  62                         'text' => $criteria->description,
  63                         'format' => $criteria->descriptionformat
  64                     )
  65                 );
  66
  67                 $mform->closeHeaderBefore('buttonar');
  68                 $this->add_action_buttons(true, get_string('save', 'badges'));
  69             }
  70         }
  71     }
  72
  73     /**
  74      * Validates form data
  75      */
  76     public function validation($data, $files) {
  77         global $OUTPUT;
  78         $errors = parent::validation($data, $files);
  79         $addcourse = $this->_customdata['addcourse'];
  80
  81         if (!$addcourse &&
  82                 isset($this->_customdata['criteria']->required_param) &&
  83                 !isset($this->_customdata['criteria']->self_validation)) {
  84
  85             $required = $this->_customdata['criteria']->required_param;
  86             $pattern1 = '/^' . $required . '_(\d+)$/';
  87             $pattern2 = '/^' . $required . '_(\w+)$/';
  88
  89             $ok = false;
  90             foreach ($data as $key => $value) {
  91                 if ((preg_match($pattern1, $key) || preg_match($pattern2, $key)) && !($value === 0 || $value == '0')) {
  92                     $ok = true;
  93                 }
  94             }
  95
  96             $warning = $this->_form->createElement('html',
  97                     $OUTPUT->notification(get_string('error:parameter', 'badges'), 'notifyproblem'), 'submissionerror');
  98
  99             if (!$ok) {
 100                 $errors['formerrors'] = 'Error';
 101                 $this->_form->insertElementBefore($warning, 'first_header');
 102             }
 103         }
 104         return $errors;
 105     }
 106 }