<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

<  * Defines the Moodle forum used to add random questions to the quiz.



>  * File only retained to prevent fatal errors in code that tries to require/include this.


 *

<  * @package   mod_quiz
<  * @copyright 2008 Olli Savolainen
<  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later



>  * @todo MDL-76612 delete this file as part of Moodle 4.6 development.
>  * @deprecated This file is no longer required in Moodle 4.2+.


 */

< 
< 


defined('MOODLE_INTERNAL') || die();


< require_once($CFG->libdir.'/formslib.php');
< 
< 
< /**
<  * The add random questions form.
<  *
<  * @copyright  1999 onwards Martin Dougiamas and others {@link http://moodle.com}
<  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
<  */
< class quiz_add_random_form extends moodleform {
< 
<     protected function definition() {
<         global $OUTPUT, $PAGE, $CFG;
< 
<         $mform = $this->_form;
<         $mform->setDisableShortforms();
< 
<         $contexts = $this->_customdata['contexts'];
<         $usablecontexts = $contexts->having_cap('moodle/question:useall');
< 
<         // Random from existing category section.
<         $mform->addElement('header', 'existingcategoryheader',
<                 get_string('randomfromexistingcategory', 'quiz'));
< 
<         $mform->addElement('questioncategory', 'category', get_string('category'),
<                 array('contexts' => $usablecontexts, 'top' => true));
<         $mform->setDefault('category', $this->_customdata['cat']);
< 
<         $mform->addElement('checkbox', 'includesubcategories', '', get_string('recurse', 'quiz'));
< 
<         $tops = question_get_top_categories_for_contexts(array_column($contexts->all(), 'id'));
<         $mform->hideIf('includesubcategories', 'category', 'in', $tops);
< 
<         if ($CFG->usetags) {
<             $tagstrings = array();
<             $tags = core_tag_tag::get_tags_by_area_in_contexts('core_question', 'question', $usablecontexts);
<             foreach ($tags as $tag) {
<                 $tagstrings["{$tag->id},{$tag->name}"] = $tag->name;
<             }
<             $options = array(
<                 'multiple' => true,
<                 'noselectionstring' => get_string('anytags', 'quiz'),
<             );
<             $mform->addElement('autocomplete', 'fromtags', get_string('randomquestiontags', 'mod_quiz'), $tagstrings, $options);
<             $mform->addHelpButton('fromtags', 'randomquestiontags', 'mod_quiz');
<         }
< 
<         // TODO: in the past, the drop-down used to only show sensible choices for
<         // number of questions to add. That is, if the currently selected filter
<         // only matched 9 questions (not already in the quiz), then the drop-down would
<         // only offer choices 1..9. This nice UI hint got lost when the UI became Ajax-y.
<         // We should add it back.
<         $mform->addElement('select', 'numbertoadd', get_string('randomnumber', 'quiz'),
<                 $this->get_number_of_questions_to_add_choices());
< 
<         $previewhtml = $OUTPUT->render_from_template('mod_quiz/random_question_form_preview', []);
<         $mform->addElement('html', $previewhtml);
< 
<         $mform->addElement('submit', 'existingcategory', get_string('addrandomquestion', 'quiz'));
< 
<         // If the manage categories plugins is enabled, add the elements to create a new category in the form.
<         if (\core\plugininfo\qbank::is_plugin_enabled(\qbank_managecategories\helper::PLUGINNAME)) {
<             // Random from a new category section.
<             $mform->addElement('header', 'newcategoryheader',
<                     get_string('randomquestionusinganewcategory', 'quiz'));
< 
<             $mform->addElement('text', 'name', get_string('name'), 'maxlength="254" size="50"');
<             $mform->setType('name', PARAM_TEXT);
< 
<             $mform->addElement('questioncategory', 'parent', get_string('parentcategory', 'question'),
<                     array('contexts' => $usablecontexts, 'top' => true));
<             $mform->addHelpButton('parent', 'parentcategory', 'question');
< 
<             $mform->addElement('submit', 'newcategory',
<                     get_string('createcategoryandaddrandomquestion', 'quiz'));
<         }
< 
<         // Cancel button.
<         $mform->addElement('cancel');
<         $mform->closeHeaderBefore('cancel');
< 
<         $mform->addElement('hidden', 'addonpage', 0, 'id="rform_qpage"');
<         $mform->setType('addonpage', PARAM_SEQUENCE);
<         $mform->addElement('hidden', 'cmid', 0);
<         $mform->setType('cmid', PARAM_INT);
<         $mform->addElement('hidden', 'returnurl', 0);
<         $mform->setType('returnurl', PARAM_LOCALURL);
< 
<         // Add the javascript required to enhance this mform.
<         $PAGE->requires->js_call_amd('mod_quiz/add_random_form', 'init', [
<             $mform->getAttribute('id'),
<             $contexts->lowest()->id,
<             $tops,
<             $CFG->usetags
<         ]);
<     }
< 
<     public function validation($fromform, $files) {
<         $errors = parent::validation($fromform, $files);
< 
<         if (!empty($fromform['newcategory']) && trim($fromform['name']) == '') {
<             $errors['name'] = get_string('categorynamecantbeblank', 'question');
<         }
< 
<         return $errors;
<     }
< 
<     /**
<      * Return an arbitrary array for the dropdown menu
<      *
<      * @param int $maxrand
<      * @return array of integers [1, 2, ..., 100] (or to the smaller of $maxrand and 100.)
<      */
<     private function get_number_of_questions_to_add_choices($maxrand = 100) {
<         $randomcount = array();
<         for ($i = 1; $i <= min(100, $maxrand); $i++) {
<             $randomcount[$i] = $i;
<         }
<         return $randomcount;
<     }
< }



> debugging('This file is no longer required in Moodle 4.2+. Please do not include/require it.', DEBUG_DEVELOPER);