Proyectos de Subversion Moodle

// 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/>.

/**

 * Javascript to handle survey validation.

 *

 * @module     mod_survey/validation

 * @copyright  2017 Dan Poltawski <dan@moodle.com>

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

 * @since      3.3

 */

import {get_string as getString} from 'core/str';

import Notification from 'core/notification';

/**

 * Prevents form submission until all radio buttons are chosen, displays

 * modal error if any choices are missing.

 *

 * @param {String} formid HTML id of form

 */

export const ensureRadiosChosen = (formid) => {

    const form = document.getElementById(formid);

    form.addEventListener('submit', (e) => {

        const optionsToSet = form.querySelectorAll('input[type="radio"][data-survey-default="true"]:checked');

        if (optionsToSet.length !== 0) {

            Notification.alert(

                getString('error'),

                getString('questionsnotanswered', 'survey'),

                getString('ok'),

            );

            e.preventDefault();

        }

    });

};