root / snf-cyclades-app / synnefo / ui / new_ui / ui / javascripts / jquery.mousewheel.js @ 0ef95fe4
History | View | Annotate | Download (3.8 kB)
1 | 0d264436 | Olga Brani | /*! Copyright (c) 2013 Brandon Aaron (http://brandonaaron.net)
|
---|---|---|---|
2 | 0d264436 | Olga Brani | * Licensed under the MIT License (LICENSE.txt).
|
3 | 0d264436 | Olga Brani | *
|
4 | 0d264436 | Olga Brani | * Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers.
|
5 | 0d264436 | Olga Brani | * Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix.
|
6 | 0d264436 | Olga Brani | * Thanks to: Seamus Leahy for adding deltaX and deltaY
|
7 | 0d264436 | Olga Brani | *
|
8 | 0d264436 | Olga Brani | * Version: 3.1.3
|
9 | 0d264436 | Olga Brani | *
|
10 | 0d264436 | Olga Brani | * Requires: 1.2.2+
|
11 | 0d264436 | Olga Brani | */
|
12 | 0d264436 | Olga Brani | |
13 | 0d264436 | Olga Brani | (function (factory) {
|
14 | 0d264436 | Olga Brani | if ( typeof define === 'function' && define.amd ) { |
15 | 0d264436 | Olga Brani | // AMD. Register as an anonymous module.
|
16 | 0d264436 | Olga Brani | define(['jquery'], factory);
|
17 | 0d264436 | Olga Brani | } else if (typeof exports === 'object') { |
18 | 0d264436 | Olga Brani | // Node/CommonJS style for Browserify
|
19 | 0d264436 | Olga Brani | module.exports = factory; |
20 | 0d264436 | Olga Brani | } else {
|
21 | 0d264436 | Olga Brani | // Browser globals
|
22 | 0d264436 | Olga Brani | factory(jQuery); |
23 | 0d264436 | Olga Brani | } |
24 | 0d264436 | Olga Brani | }(function ($) { |
25 | 0d264436 | Olga Brani | |
26 | 0d264436 | Olga Brani | var toFix = ['wheel', 'mousewheel', 'DOMMouseScroll', 'MozMousePixelScroll']; |
27 | 0d264436 | Olga Brani | var toBind = 'onwheel' in document || document.documentMode >= 9 ? ['wheel'] : ['mousewheel', 'DomMouseScroll', 'MozMousePixelScroll']; |
28 | 0d264436 | Olga Brani | var lowestDelta, lowestDeltaXY;
|
29 | 0d264436 | Olga Brani | |
30 | 0d264436 | Olga Brani | if ( $.event.fixHooks ) { |
31 | 0d264436 | Olga Brani | for ( var i = toFix.length; i; ) { |
32 | 0d264436 | Olga Brani | $.event.fixHooks[ toFix[--i] ] = $.event.mouseHooks; |
33 | 0d264436 | Olga Brani | } |
34 | 0d264436 | Olga Brani | } |
35 | 0d264436 | Olga Brani | |
36 | 0d264436 | Olga Brani | $.event.special.mousewheel = {
|
37 | 0d264436 | Olga Brani | setup: function() { |
38 | 0d264436 | Olga Brani | if ( this.addEventListener ) { |
39 | 0d264436 | Olga Brani | for ( var i = toBind.length; i; ) { |
40 | 0d264436 | Olga Brani | this.addEventListener( toBind[--i], handler, false ); |
41 | 0d264436 | Olga Brani | } |
42 | 0d264436 | Olga Brani | } else {
|
43 | 0d264436 | Olga Brani | this.onmousewheel = handler;
|
44 | 0d264436 | Olga Brani | } |
45 | 0d264436 | Olga Brani | }, |
46 | 0d264436 | Olga Brani | |
47 | 0d264436 | Olga Brani | teardown: function() { |
48 | 0d264436 | Olga Brani | if ( this.removeEventListener ) { |
49 | 0d264436 | Olga Brani | for ( var i = toBind.length; i; ) { |
50 | 0d264436 | Olga Brani | this.removeEventListener( toBind[--i], handler, false ); |
51 | 0d264436 | Olga Brani | } |
52 | 0d264436 | Olga Brani | } else {
|
53 | 0d264436 | Olga Brani | this.onmousewheel = null; |
54 | 0d264436 | Olga Brani | } |
55 | 0d264436 | Olga Brani | } |
56 | 0d264436 | Olga Brani | }; |
57 | 0d264436 | Olga Brani | |
58 | 0d264436 | Olga Brani | $.fn.extend({
|
59 | 0d264436 | Olga Brani | mousewheel: function(fn) { |
60 | 0d264436 | Olga Brani | return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel"); |
61 | 0d264436 | Olga Brani | }, |
62 | 0d264436 | Olga Brani | |
63 | 0d264436 | Olga Brani | unmousewheel: function(fn) { |
64 | 0d264436 | Olga Brani | return this.unbind("mousewheel", fn); |
65 | 0d264436 | Olga Brani | } |
66 | 0d264436 | Olga Brani | }); |
67 | 0d264436 | Olga Brani | |
68 | 0d264436 | Olga Brani | |
69 | 0d264436 | Olga Brani | function handler(event) { |
70 | 0d264436 | Olga Brani | var orgEvent = event || window.event,
|
71 | 0d264436 | Olga Brani | args = [].slice.call(arguments, 1), |
72 | 0d264436 | Olga Brani | delta = 0,
|
73 | 0d264436 | Olga Brani | deltaX = 0,
|
74 | 0d264436 | Olga Brani | deltaY = 0,
|
75 | 0d264436 | Olga Brani | absDelta = 0,
|
76 | 0d264436 | Olga Brani | absDeltaXY = 0,
|
77 | 0d264436 | Olga Brani | fn; |
78 | 0d264436 | Olga Brani | event = $.event.fix(orgEvent);
|
79 | 0d264436 | Olga Brani | event.type = "mousewheel";
|
80 | 0d264436 | Olga Brani | |
81 | 0d264436 | Olga Brani | // Old school scrollwheel delta
|
82 | 0d264436 | Olga Brani | if ( orgEvent.wheelDelta ) { delta = orgEvent.wheelDelta; }
|
83 | 0d264436 | Olga Brani | if ( orgEvent.detail ) { delta = orgEvent.detail * -1; } |
84 | 0d264436 | Olga Brani | |
85 | 0d264436 | Olga Brani | // New school wheel delta (wheel event)
|
86 | 0d264436 | Olga Brani | if ( orgEvent.deltaY ) {
|
87 | 0d264436 | Olga Brani | deltaY = orgEvent.deltaY * -1;
|
88 | 0d264436 | Olga Brani | delta = deltaY; |
89 | 0d264436 | Olga Brani | } |
90 | 0d264436 | Olga Brani | if ( orgEvent.deltaX ) {
|
91 | 0d264436 | Olga Brani | deltaX = orgEvent.deltaX; |
92 | 0d264436 | Olga Brani | delta = deltaX * -1;
|
93 | 0d264436 | Olga Brani | } |
94 | 0d264436 | Olga Brani | |
95 | 0d264436 | Olga Brani | // Webkit
|
96 | 0d264436 | Olga Brani | if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY; } |
97 | 0d264436 | Olga Brani | if ( orgEvent.wheelDeltaX !== undefined ) { deltaX = orgEvent.wheelDeltaX * -1; } |
98 | 0d264436 | Olga Brani | |
99 | 0d264436 | Olga Brani | // Look for lowest delta to normalize the delta values
|
100 | 0d264436 | Olga Brani | absDelta = Math.abs(delta); |
101 | 0d264436 | Olga Brani | if ( !lowestDelta || absDelta < lowestDelta ) { lowestDelta = absDelta; }
|
102 | 0d264436 | Olga Brani | absDeltaXY = Math.max(Math.abs(deltaY), Math.abs(deltaX)); |
103 | 0d264436 | Olga Brani | if ( !lowestDeltaXY || absDeltaXY < lowestDeltaXY ) { lowestDeltaXY = absDeltaXY; }
|
104 | 0d264436 | Olga Brani | |
105 | 0d264436 | Olga Brani | // Get a whole value for the deltas
|
106 | 0d264436 | Olga Brani | fn = delta > 0 ? 'floor' : 'ceil'; |
107 | 0d264436 | Olga Brani | delta = Math[fn](delta / lowestDelta); |
108 | 0d264436 | Olga Brani | deltaX = Math[fn](deltaX / lowestDeltaXY); |
109 | 0d264436 | Olga Brani | deltaY = Math[fn](deltaY / lowestDeltaXY); |
110 | 0d264436 | Olga Brani | |
111 | 0d264436 | Olga Brani | // Add event and delta to the front of the arguments
|
112 | 0d264436 | Olga Brani | args.unshift(event, delta, deltaX, deltaY); |
113 | 0d264436 | Olga Brani | |
114 | 0d264436 | Olga Brani | return ($.event.dispatch || $.event.handle).apply(this, args); |
115 | 0d264436 | Olga Brani | } |
116 | 0d264436 | Olga Brani | |
117 | 0d264436 | Olga Brani | })); |