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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  namespace mod_quiz\form;
  18  
  19  use moodleform;
  20  
  21  defined('MOODLE_INTERNAL') || die();
  22  
  23  require_once($CFG->libdir.'/formslib.php');
  24  
  25  /**
  26   * A form that limits student's access to attempt a quiz.
  27   *
  28   * @package   mod_quiz
  29   * @copyright  2011 The Open University
  30   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  31   */
  32  class preflight_check_form extends moodleform {
  33  
  34      protected function definition() {
  35          $mform = $this->_form;
  36          $this->_form->updateAttributes(['id' => 'mod_quiz_preflight_form']);
  37  
  38          foreach ($this->_customdata['hidden'] as $name => $value) {
  39              if ($name === 'sesskey') {
  40                  continue;
  41              }
  42              $mform->addElement('hidden', $name, $value);
  43              $mform->setType($name, PARAM_INT);
  44          }
  45  
  46          foreach ($this->_customdata['rules'] as $rule) {
  47              if ($rule->is_preflight_check_required($this->_customdata['attemptid'])) {
  48                  $rule->add_preflight_check_form_fields($this, $mform,
  49                          $this->_customdata['attemptid']);
  50              }
  51          }
  52  
  53          $this->add_action_buttons(true, get_string('startattempt', 'quiz'));
  54          $this->set_display_vertical();
  55          $mform->setDisableShortforms();
  56      }
  57  
  58      public function validation($data, $files): array {
  59          $errors = parent::validation($data, $files);
  60          $accessmanager = $this->_customdata['quizobj']->get_access_manager(time());
  61          return array_merge($errors, $accessmanager->validate_preflight_check(
  62                  $data, $files, $this->_customdata['attemptid']));
  63      }
  64  }