1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
function hideNavs() {
let navs = document.querySelectorAll('[data-a11y-toggle] + nav');
navs.forEach((nav) => {
if (!nav.hasAttribute('hidden')) {
nav.previousElementSibling.setAttribute('aria-expanded', 'false');
nav.setAttribute('hidden', 'true');
}
});
}
const navToggle = document.querySelectorAll('[data-a11y-toggle]');
navToggle.forEach((toggle) => {
let navList = toggle.nextElementSibling;
let navLinks = navList.querySelectorAll('a');
toggle.addEventListener('click', (event) => {
if (navList.hasAttribute('hidden')) {
toggle.setAttribute('aria-expanded', 'true');
navList.removeAttribute('hidden');
// Set focus on first link
// will be highlighted for keyboard users
navLinks[0].focus();
} else {
navList.setAttribute('hidden', 'true');
toggle.setAttribute('aria-expanded', 'false');
}
event.stopPropagation();
}, false);
});
document.addEventListener('keydown', (event) => {
// Ignore IME composition
if (event.isComposing || event.keyCode === 229) {
return;
}
// Close menu with ESC key
if (event.keyCode === 27) {
hideNavs();
}
}, false);
document.addEventListener('click', (event) => {
// close navigation menus when clicking anywhere (except when on mobile)
if (event.target.closest('[data-a11y-toggle] + nav') || Math.max(document.documentElement.clientWidth, window.innerWidth || 0) < 960) return
hideNavs();
})
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
|
