forked from browserstate/ajaxify
-
Notifications
You must be signed in to change notification settings - Fork 0
/
ajaxify-html5.js
executable file
·217 lines (187 loc) · 7.07 KB
/
ajaxify-html5.js
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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
// Ajaxify
// v1.0.1 - 30 September, 2012
// https://github.com/browserstate/ajaxify
var ajaxifySite = window.ajaxifySite || {};
ajaxifySite.init = function(options){
// Prepare our Variables
var
History = window.History,
$ = window.jQuery,
document = window.document;
// Check to see if History.js is enabled for our Browser
if ( !History.enabled ) {
return false;
}
// Wait for Document
$(function(){
// Prepare Variables
var
/* Application Specific Variables */
settings = $.extend({
contentSelector: '#content,article:first,.article:first,.post:first',
menuSelector: '#menu,#nav,nav:first,.nav:first',
activeClass: 'active selected current youarehere',
activeSelector: '.active,.selected,.current,.youarehere',
menuChildrenSelector: '> li,> ul > li',
completedEventName: 'statechangecomplete',
scrollOptions: {
duration: 800,
easing: 'swing'
},
ignoreSelector: '.no-ajaxy',
ignoreScripts: false
}, options),
// TODO get rid of these and just replace variables with settings object reference
contentSelector = settings.contentSelector,
$content = $(contentSelector).filter(':first'),
contentNode = $content.get(0),
menuSelector = settings.menuSelector,
$menu = $(menuSelector).filter(':first'),
activeClass = settings.activeClass,
activeSelector = settings.activeSelector,
menuChildrenSelector = settings.menuChildrenSelector,
completedEventName = settings.completedEventName,
/* Application Generic Variables */
$window = $(window),
$body = $(document.body),
rootUrl = History.getRootUrl(),
scrollOptions = settings.scrollOptions;
// Ensure Content
if ( $content.length === 0 ) {
$content = $body;
}
// Internal Helper
$.expr[':'].internal = function(obj, index, meta, stack){
// Prepare
var
$this = $(obj),
url = $this.attr('href')||'',
isInternalLink;
// Check link
isInternalLink = url.substring(0,rootUrl.length) === rootUrl || url.indexOf(':') === -1;
// Ignore or Keep
return isInternalLink;
};
// HTML Helper
var documentHtml = function(html){
// Prepare
var result = String(html)
.replace(/<\!DOCTYPE[^>]*>/i, '')
.replace(/<(html|head|body|title|meta|script)([\s\>])/gi,'<div class="document-$1"$2')
.replace(/<\/(html|head|body|title|meta|script)\>/gi,'</div>')
;
// Return
return $.trim(result);
};
// Ajaxify Helper
$.fn.ajaxify = function(){
// Prepare
var $this = $(this);
// Ajaxify
$this.find('a:internal:not(' + settings.ignoreSelector + ')').click(function(event){
// Prepare
var
$this = $(this),
url = $this.attr('href'),
title = $this.attr('title')||null;
// Continue as normal for cmd clicks etc
if ( event.which == 2 || event.metaKey ) { return true; }
// Ajaxify this link
History.pushState(null,title,url);
event.preventDefault();
return false;
});
// Chain
return $this;
};
// Ajaxify our Internal Links
$body.ajaxify();
// Hook into State Changes
History.Adapter.bind(window, 'statechange', function(){
// Prepare Variables
var
State = History.getState(),
url = State.url,
relativeUrl = url.replace(rootUrl,'');
// Set Loading
$body.addClass('loading');
// Start Fade Out
// Animating to opacity to 0 still keeps the element's height intact
// Which prevents that annoying pop bang issue when loading in new content
$content.animate({opacity:0},800);
// Ajax Request the Traditional Page
$.ajax({
url: url,
success: function(data, textStatus, jqXHR){
// Prepare
var
$data = $(documentHtml(data)),
$dataBody = $data.find('.document-body:first'),
$dataContent = $dataBody.find(contentSelector).filter(':first'),
$menuChildren, contentHtml, $scripts;
// Fetch the scripts
$scripts = $dataContent.find('.document-script');
if ( $scripts.length ) {
$scripts.detach();
}
// Fetch the content
contentHtml = $dataContent.html()||$data.html();
if ( !contentHtml ) {
document.location.href = url;
return false;
}
// Update the menu
$menuChildren = $menu.find(menuChildrenSelector);
$menuChildren.filter(activeSelector).removeClass(activeClass);
$menuChildren = $menuChildren.has('a[href^="'+relativeUrl+'"],a[href^="/'+relativeUrl+'"],a[href^="'+url+'"]');
if ( $menuChildren.length === 1 ) { $menuChildren.addClass(activeClass); }
// Update the content
$content.stop(true,true);
$content.html(contentHtml).ajaxify();
if (window.imagesLoaded) {
$content.imagesLoaded().done(function(){ $content.animate({opacity: 1}, 800); }); /* you could fade in here if you'd like */
} else if(window.waitForImages) {
$content.waitForImages().done(function(){ $content.animate({opacity: 1}, 800); }); /* you could fade in here if you'd like */
} else {
$content.animate({opacity: 1}, 800);
}
// Update the title
document.title = $data.find('.document-title:first').text();
try {
document.getElementsByTagName('title')[0].innerHTML = document.title.replace('<','<').replace('>','>').replace(' & ',' & ');
}
catch ( Exception ) { }
// Add the scripts
if (!settings.ignoreScripts) {
$scripts.each(function(){
var $script = $(this), scriptText = $script.text(), scriptNode = document.createElement('script');
if ( $script.attr('src') ) {
if ( !$script[0].async ) { scriptNode.async = false; }
scriptNode.src = $script.attr('src');
}
scriptNode.appendChild(document.createTextNode(scriptText));
contentNode.appendChild(scriptNode);
});
}
// Complete the change
if ( $body.ScrollTo||false ) { $body.ScrollTo(scrollOptions); } /* http://balupton.com/projects/jquery-scrollto */
$body.removeClass('loading');
$window.trigger(completedEventName);
// Inform Google Analytics of the change
if ( typeof window._gaq !== 'undefined' ) {
window._gaq.push(['_trackPageview', relativeUrl]);
}
// Inform ReInvigorate of a state change
if ( typeof window.reinvigorate !== 'undefined' && typeof window.reinvigorate.ajax_track !== 'undefined' ) {
reinvigorate.ajax_track(url);
// ^ we use the full url here as that is what reinvigorate supports
}
},
error: function(jqXHR, textStatus, errorThrown){
document.location.href = url;
return false;
}
}); // end ajax
}); // end onStateChange
}); // end onDomLoad
}; // end closure