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   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  }