Commit 45dcb1b5c4e765fa048492865d2664f52e0a11a9
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Add jQuery.ScrollTo
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app/assets/javascripts/application.js
@@ -13,6 +13,7 @@ | @@ -13,6 +13,7 @@ | ||
13 | //= require jquery.history | 13 | //= require jquery.history |
14 | //= require jquery.waitforimages | 14 | //= require jquery.waitforimages |
15 | //= require jquery.atwho | 15 | //= require jquery.atwho |
16 | +//= require jquery.scrollto | ||
16 | //= require bootstrap | 17 | //= require bootstrap |
17 | //= require modernizr | 18 | //= require modernizr |
18 | //= require chosen-jquery | 19 | //= require chosen-jquery |
@@ -0,0 +1,225 @@ | @@ -0,0 +1,225 @@ | ||
1 | +/** | ||
2 | + * @depends jquery | ||
3 | + * @name jquery.scrollto | ||
4 | + * @package jquery-scrollto {@link http://balupton.com/projects/jquery-scrollto} | ||
5 | + */ | ||
6 | + | ||
7 | +/** | ||
8 | + * jQuery Aliaser | ||
9 | + */ | ||
10 | +(function(window,undefined){ | ||
11 | + // Prepare | ||
12 | + var jQuery, $, ScrollTo; | ||
13 | + jQuery = $ = window.jQuery; | ||
14 | + | ||
15 | + /** | ||
16 | + * jQuery ScrollTo (balupton edition) | ||
17 | + * @version 1.2.0 | ||
18 | + * @date July 9, 2012 | ||
19 | + * @since 0.1.0, August 27, 2010 | ||
20 | + * @package jquery-scrollto {@link http://balupton.com/projects/jquery-scrollto} | ||
21 | + * @author Benjamin "balupton" Lupton {@link http://balupton.com} | ||
22 | + * @copyright (c) 2010 Benjamin Arthur Lupton {@link http://balupton.com} | ||
23 | + * @license MIT License {@link http://creativecommons.org/licenses/MIT/} | ||
24 | + */ | ||
25 | + ScrollTo = $.ScrollTo = $.ScrollTo || { | ||
26 | + /** | ||
27 | + * The Default Configuration | ||
28 | + */ | ||
29 | + config: { | ||
30 | + duration: 400, | ||
31 | + easing: 'swing', | ||
32 | + callback: undefined, | ||
33 | + durationMode: 'each', | ||
34 | + offsetTop: 0, | ||
35 | + offsetLeft: 0 | ||
36 | + }, | ||
37 | + | ||
38 | + /** | ||
39 | + * Configure ScrollTo | ||
40 | + */ | ||
41 | + configure: function(options){ | ||
42 | + // Apply Options to Config | ||
43 | + $.extend(ScrollTo.config, options||{}); | ||
44 | + | ||
45 | + // Chain | ||
46 | + return this; | ||
47 | + }, | ||
48 | + | ||
49 | + /** | ||
50 | + * Perform the Scroll Animation for the Collections | ||
51 | + * We use $inline here, so we can determine the actual offset start for each overflow:scroll item | ||
52 | + * Each collection is for each overflow:scroll item | ||
53 | + */ | ||
54 | + scroll: function(collections, config){ | ||
55 | + // Prepare | ||
56 | + var collection, $container, container, $target, $inline, position, | ||
57 | + containerScrollTop, containerScrollLeft, | ||
58 | + containerScrollTopEnd, containerScrollLeftEnd, | ||
59 | + startOffsetTop, targetOffsetTop, targetOffsetTopAdjusted, | ||
60 | + startOffsetLeft, targetOffsetLeft, targetOffsetLeftAdjusted, | ||
61 | + scrollOptions, | ||
62 | + callback; | ||
63 | + | ||
64 | + // Determine the Scroll | ||
65 | + collection = collections.pop(); | ||
66 | + $container = collection.$container; | ||
67 | + container = $container.get(0); | ||
68 | + $target = collection.$target; | ||
69 | + | ||
70 | + // Prepare the Inline Element of the Container | ||
71 | + $inline = $('<span/>').css({ | ||
72 | + 'position': 'absolute', | ||
73 | + 'top': '0px', | ||
74 | + 'left': '0px' | ||
75 | + }); | ||
76 | + position = $container.css('position'); | ||
77 | + | ||
78 | + // Insert the Inline Element of the Container | ||
79 | + $container.css('position','relative'); | ||
80 | + $inline.appendTo($container); | ||
81 | + | ||
82 | + // Determine the top offset | ||
83 | + startOffsetTop = $inline.offset().top; | ||
84 | + targetOffsetTop = $target.offset().top; | ||
85 | + targetOffsetTopAdjusted = targetOffsetTop - startOffsetTop - parseInt(config.offsetTop,10); | ||
86 | + | ||
87 | + // Determine the left offset | ||
88 | + startOffsetLeft = $inline.offset().left; | ||
89 | + targetOffsetLeft = $target.offset().left; | ||
90 | + targetOffsetLeftAdjusted = targetOffsetLeft - startOffsetLeft - parseInt(config.offsetLeft,10); | ||
91 | + | ||
92 | + // Determine current scroll positions | ||
93 | + containerScrollTop = container.scrollTop; | ||
94 | + containerScrollLeft = container.scrollLeft; | ||
95 | + | ||
96 | + // Reset the Inline Element of the Container | ||
97 | + $inline.remove(); | ||
98 | + $container.css('position',position); | ||
99 | + | ||
100 | + // Prepare the scroll options | ||
101 | + scrollOptions = {}; | ||
102 | + | ||
103 | + // Prepare the callback | ||
104 | + callback = function(event){ | ||
105 | + // Check | ||
106 | + if ( collections.length === 0 ) { | ||
107 | + // Callback | ||
108 | + if ( typeof config.callback === 'function' ) { | ||
109 | + config.callback.apply(this,[event]); | ||
110 | + } | ||
111 | + } | ||
112 | + else { | ||
113 | + // Recurse | ||
114 | + ScrollTo.scroll(collections,config); | ||
115 | + } | ||
116 | + // Return true | ||
117 | + return true; | ||
118 | + }; | ||
119 | + | ||
120 | + // Handle if we only want to scroll if we are outside the viewport | ||
121 | + if ( config.onlyIfOutside ) { | ||
122 | + // Determine current scroll positions | ||
123 | + containerScrollTopEnd = containerScrollTop + $container.height(); | ||
124 | + containerScrollLeftEnd = containerScrollLeft + $container.width(); | ||
125 | + | ||
126 | + // Check if we are in the range of the visible area of the container | ||
127 | + if ( containerScrollTop < targetOffsetTopAdjusted && targetOffsetTopAdjusted < containerScrollTopEnd ) { | ||
128 | + targetOffsetTopAdjusted = containerScrollTop; | ||
129 | + } | ||
130 | + if ( containerScrollLeft < targetOffsetLeftAdjusted && targetOffsetLeftAdjusted < containerScrollLeftEnd ) { | ||
131 | + targetOffsetLeftAdjusted = containerScrollLeft; | ||
132 | + } | ||
133 | + } | ||
134 | + | ||
135 | + // Determine the scroll options | ||
136 | + if ( targetOffsetTopAdjusted !== containerScrollTop ) { | ||
137 | + scrollOptions.scrollTop = targetOffsetTopAdjusted; | ||
138 | + } | ||
139 | + if ( targetOffsetLeftAdjusted !== containerScrollLeft ) { | ||
140 | + scrollOptions.scrollLeft = targetOffsetLeftAdjusted; | ||
141 | + } | ||
142 | + | ||
143 | + // Perform the scroll | ||
144 | + if ( $.browser.safari && container === document.body ) { | ||
145 | + window.scrollTo(scrollOptions.scrollLeft, scrollOptions.scrollTop); | ||
146 | + callback(); | ||
147 | + } | ||
148 | + else if ( scrollOptions.scrollTop || scrollOptions.scrollLeft ) { | ||
149 | + $container.animate(scrollOptions, config.duration, config.easing, callback); | ||
150 | + } | ||
151 | + else { | ||
152 | + callback(); | ||
153 | + } | ||
154 | + | ||
155 | + // Return true | ||
156 | + return true; | ||
157 | + }, | ||
158 | + | ||
159 | + /** | ||
160 | + * ScrollTo the Element using the Options | ||
161 | + */ | ||
162 | + fn: function(options){ | ||
163 | + // Prepare | ||
164 | + var collections, config, $container, container; | ||
165 | + collections = []; | ||
166 | + | ||
167 | + // Prepare | ||
168 | + var $target = $(this); | ||
169 | + if ( $target.length === 0 ) { | ||
170 | + // Chain | ||
171 | + return this; | ||
172 | + } | ||
173 | + | ||
174 | + // Handle Options | ||
175 | + config = $.extend({},ScrollTo.config,options); | ||
176 | + | ||
177 | + // Fetch | ||
178 | + $container = $target.parent(); | ||
179 | + container = $container.get(0); | ||
180 | + | ||
181 | + // Cycle through the containers | ||
182 | + while ( ($container.length === 1) && (container !== document.body) && (container !== document) ) { | ||
183 | + // Check Container for scroll differences | ||
184 | + var scrollTop, scrollLeft; | ||
185 | + scrollTop = $container.css('overflow-y') !== 'visible' && container.scrollHeight !== container.clientHeight; | ||
186 | + scrollLeft = $container.css('overflow-x') !== 'visible' && container.scrollWidth !== container.clientWidth; | ||
187 | + if ( scrollTop || scrollLeft ) { | ||
188 | + // Push the Collection | ||
189 | + collections.push({ | ||
190 | + '$container': $container, | ||
191 | + '$target': $target | ||
192 | + }); | ||
193 | + // Update the Target | ||
194 | + $target = $container; | ||
195 | + } | ||
196 | + // Update the Container | ||
197 | + $container = $container.parent(); | ||
198 | + container = $container.get(0); | ||
199 | + } | ||
200 | + | ||
201 | + // Add the final collection | ||
202 | + collections.push({ | ||
203 | + '$container': $( | ||
204 | + ($.browser.msie || $.browser.mozilla) ? 'html' : 'body' | ||
205 | + ), | ||
206 | + '$target': $target | ||
207 | + }); | ||
208 | + | ||
209 | + // Adjust the Config | ||
210 | + if ( config.durationMode === 'all' ) { | ||
211 | + config.duration /= collections.length; | ||
212 | + } | ||
213 | + | ||
214 | + // Handle | ||
215 | + ScrollTo.scroll(collections,config); | ||
216 | + | ||
217 | + // Chain | ||
218 | + return this; | ||
219 | + } | ||
220 | + }; | ||
221 | + | ||
222 | + // Apply our jQuery Prototype Function | ||
223 | + $.fn.ScrollTo = $.ScrollTo.fn; | ||
224 | + | ||
225 | +})(window); |