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503b3f7b
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Assos Assos
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(function (factory) {
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if (typeof define === 'function' && define.amd) {
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define(['jquery'], factory);
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} else {
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factory(jQuery);
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}
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}(function ($) {
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var toFix = ['wheel', 'mousewheel', 'DOMMouseScroll'];
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var toBind = 'onwheel' in document || document.documentMode >= 9 ? ['wheel'] : ['mousewheel', 'DomMouseScroll', 'MozMousePixelScroll'];
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var lowestDelta, lowestDeltaXY;
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if ($.event.fixHooks) {
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for ( var i=toFix.length; i; ) {
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$.event.fixHooks[ toFix[--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=toBind.length; i; ) {
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this.addEventListener( toBind[--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=toBind.length; i; ) {
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this.removeEventListener( toBind[--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, deltaX = 0, deltaY = 0, absDelta = 0, absDeltaXY = 0;
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event = $.event.fix(orgEvent);
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event.type = "mousewheel";
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if ( orgEvent.wheelDelta ) { delta = orgEvent.wheelDelta; }
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if ( orgEvent.detail ) { delta = orgEvent.detail * -1; }
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if ( orgEvent.deltaY ) {
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deltaY = orgEvent.deltaY * -1;
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delta = deltaY;
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}
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if ( orgEvent.deltaX ) {
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deltaX = orgEvent.deltaX;
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delta = deltaX * -1;
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}
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if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY; }
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if ( orgEvent.wheelDeltaX !== undefined ) { deltaX = orgEvent.wheelDeltaX * -1; }
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absDelta = Math.abs(delta);
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if ( !lowestDelta || absDelta < lowestDelta ) { lowestDelta = absDelta; }
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absDeltaXY = Math.max( Math.abs(deltaY), Math.abs(deltaX) );
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if ( !lowestDeltaXY || absDeltaXY < lowestDeltaXY ) { lowestDeltaXY = absDeltaXY; }
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args.unshift(event, Math.floor(delta/lowestDelta), Math.floor(deltaX/lowestDeltaXY), Math.floor(deltaY/lowestDeltaXY));
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return ($.event.dispatch || $.event.handle).apply(this, args);
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}
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})); |