Include jquery-mousewheel in src.
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src/jquery.mousewheel.js
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84
src/jquery.mousewheel.js
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/*! Copyright (c) 2011 Brandon Aaron (http://brandonaaron.net)
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* Licensed under the MIT License (LICENSE.txt).
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*
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* Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers.
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* Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix.
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* Thanks to: Seamus Leahy for adding deltaX and deltaY
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*
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* Version: 3.0.6
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*
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* Requires: 1.2.2+
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*/
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(function($) {
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var types = ['DOMMouseScroll', 'mousewheel'];
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if ($.event.fixHooks) {
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for ( var i=types.length; i; ) {
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$.event.fixHooks[ types[--i] ] = $.event.mouseHooks;
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}
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}
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$.event.special.mousewheel = {
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setup: function() {
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if ( this.addEventListener ) {
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for ( var i=types.length; i; ) {
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this.addEventListener( types[--i], handler, false );
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}
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} else {
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this.onmousewheel = handler;
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}
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},
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teardown: function() {
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if ( this.removeEventListener ) {
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for ( var i=types.length; i; ) {
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this.removeEventListener( types[--i], handler, false );
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}
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} else {
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this.onmousewheel = null;
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}
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}
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};
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$.fn.extend({
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mousewheel: function(fn) {
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return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel");
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},
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unmousewheel: function(fn) {
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return this.unbind("mousewheel", fn);
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}
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});
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function handler(event) {
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var orgEvent = event || window.event, args = [].slice.call( arguments, 1 ), delta = 0, returnValue = true, deltaX = 0, deltaY = 0;
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event = $.event.fix(orgEvent);
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event.type = "mousewheel";
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// Old school scrollwheel delta
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if ( orgEvent.wheelDelta ) { delta = orgEvent.wheelDelta/120; }
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if ( orgEvent.detail ) { delta = -orgEvent.detail/3; }
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// New school multidimensional scroll (touchpads) deltas
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deltaY = delta;
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// Gecko
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if ( orgEvent.axis !== undefined && orgEvent.axis === orgEvent.HORIZONTAL_AXIS ) {
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deltaY = 0;
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deltaX = -1*delta;
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}
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// Webkit
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if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY/120; }
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if ( orgEvent.wheelDeltaX !== undefined ) { deltaX = -1*orgEvent.wheelDeltaX/120; }
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// Add event and delta to the front of the arguments
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args.unshift(event, delta, deltaX, deltaY);
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return ($.event.dispatch || $.event.handle).apply(this, args);
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}
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})(jQuery);
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