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b039eaaf | 1 | // Copyright 2014-2015 The Rust Project Developers. See the COPYRIGHT |
c1a9b12d SL |
2 | // file at the top-level directory of this distribution and at |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
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11 | /*jslint browser: true, es5: true */ |
12 | /*globals $: true, rootPath: true */ | |
c1a9b12d | 13 | |
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14 | document.addEventListener('DOMContentLoaded', function() { |
15 | 'use strict'; | |
c1a9b12d | 16 | |
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17 | document.getElementById('toggle-nav').onclick = function(e) { |
18 | var toc = document.getElementById('toc'); | |
19 | var pagewrapper = document.getElementById('page-wrapper'); | |
20 | toggleClass(toc, 'mobile-hidden'); | |
21 | toggleClass(pagewrapper, 'mobile-hidden'); | |
22 | }; | |
c1a9b12d | 23 | |
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24 | function toggleClass(el, className) { |
25 | // from http://youmightnotneedjquery.com/ | |
26 | if (el.classList) { | |
27 | el.classList.toggle(className); | |
28 | } else { | |
29 | var classes = el.className.split(' '); | |
30 | var existingIndex = classes.indexOf(className); | |
c1a9b12d | 31 | |
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32 | if (existingIndex >= 0) { |
33 | classes.splice(existingIndex, 1); | |
34 | } else { | |
35 | classes.push(className); | |
36 | } | |
c1a9b12d | 37 | |
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38 | el.className = classes.join(' '); |
39 | } | |
40 | } | |
c1a9b12d | 41 | |
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42 | // The below code is used to add prev and next navigation links to the |
43 | // bottom of each of the sections. | |
44 | // It works by extracting the current page based on the url and iterates | |
45 | // over the menu links until it finds the menu item for the current page. We | |
46 | // then create a copy of the preceding and following menu links and add the | |
47 | // correct css class and insert them into the bottom of the page. | |
48 | var toc = document.getElementById('toc').getElementsByTagName('a'); | |
49 | var href = document.location.pathname.split('/').pop(); | |
c1a9b12d | 50 | |
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51 | if (href === 'index.html' || href === '') { |
52 | href = 'README.html'; | |
c1a9b12d | 53 | } |
c1a9b12d | 54 | |
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55 | for (var i = 0; i < toc.length; i++) { |
56 | if (toc[i].attributes.href.value.split('/').pop() === href) { | |
57 | var nav = document.createElement('p'); | |
58 | ||
59 | if (i > 0) { | |
60 | var prevNode = toc[i-1].cloneNode(true); | |
61 | prevNode.className = 'left'; | |
62 | prevNode.setAttribute('rel', 'prev'); | |
63 | nav.appendChild(prevNode); | |
64 | } | |
65 | ||
66 | if (i < toc.length - 1) { | |
67 | var nextNode = toc[i+1].cloneNode(true); | |
68 | nextNode.className = 'right'; | |
69 | nextNode.setAttribute('rel', 'next'); | |
70 | nav.appendChild(nextNode); | |
71 | } | |
72 | ||
73 | document.getElementById('page').appendChild(nav); | |
74 | ||
75 | break; | |
76 | } | |
77 | } | |
c1a9b12d | 78 | }); |