Proyectos de Subversion Moodle

<?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 editing form for random questions.

 *

 * @package    mod_quiz

 * @copyright  2018 Shamim Rezaie <shamim@moodle.com>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

namespace mod_quiz\form;

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

require_once($CFG->dirroot.'/lib/formslib.php');

/**

 * Class randomquestion_form

 *

 * @package    mod_quiz

 * @copyright  2018 Shamim Rezaie <shamim@moodle.com>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class randomquestion_form extends \moodleform {

    /**

     * Form definiton.

     */

    public function definition() {

        $mform = $this->_form;

        $contexts = $this->_customdata['contexts'];

        $usablecontexts = $contexts->having_cap('moodle/question:useall');

        // Standard fields at the start of the form.

        $mform->addElement('header', 'generalheader', get_string("general", 'form'));

        $mform->addElement('questioncategory', 'category', get_string('category', 'question'),

                ['contexts' => $usablecontexts, 'top' => true]);

        $mform->addElement('advcheckbox', 'includesubcategories', get_string('recurse', 'quiz'), null, null, [0, 1]);

        $tops = question_get_top_categories_for_contexts(array_column($contexts->all(), 'id'));

        $mform->hideIf('includesubcategories', 'category', 'in', $tops);

        $tags = \core_tag_tag::get_tags_by_area_in_contexts('core_question', 'question', $usablecontexts);

        $tagstrings = [];

        foreach ($tags as $tag) {

            $tagstrings["{$tag->id},{$tag->name}"] = $tag->name;

        }

        $options = [

                'multiple' => true,

                'noselectionstring' => get_string('anytags', 'quiz'),

        ];

        $mform->addElement('autocomplete', 'fromtags', get_string('randomquestiontags', 'mod_quiz'), $tagstrings, $options);

        $mform->addHelpButton('fromtags', 'randomquestiontags', 'mod_quiz');

        $mform->addElement('hidden', 'slotid');

        $mform->setType('slotid', PARAM_INT);

        $mform->addElement('hidden', 'returnurl');

        $mform->setType('returnurl', PARAM_LOCALURL);

        $buttonarray = [];

        $buttonarray[] = $mform->createElement('submit', 'submitbutton', get_string('savechanges'));

        $buttonarray[] = $mform->createElement('cancel');

        $mform->addGroup($buttonarray, 'buttonar', '', [' '], false);

        $mform->closeHeaderBefore('buttonar');

    }

    public function set_data($defaultvalues) {

        $mform = $this->_form;

        if ($defaultvalues->fromtags) {

            $fromtagselement = $mform->getElement('fromtags');

            foreach ($defaultvalues->fromtags as $fromtag) {

                if (!$fromtagselement->optionExists($fromtag)) {

                    $optionname = get_string('randomfromunavailabletag', 'mod_quiz', explode(',', $fromtag)[1]);

                    $fromtagselement->addOption($optionname, $fromtag);

                }

            }

        }

        parent::set_data($defaultvalues);

    }

}