diff options
Diffstat (limited to 'apps/it/static/js/ui/external/jquery.mousewheel.js')
-rw-r--r-- | apps/it/static/js/ui/external/jquery.mousewheel.js | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/apps/it/static/js/ui/external/jquery.mousewheel.js b/apps/it/static/js/ui/external/jquery.mousewheel.js new file mode 100644 index 0000000..8c60304 --- /dev/null +++ b/apps/it/static/js/ui/external/jquery.mousewheel.js @@ -0,0 +1,101 @@ +/*! Copyright (c) 2013 Brandon Aaron (http://brandonaaron.net) + * Licensed under the MIT License (LICENSE.txt). + * + * Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers. + * Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix. + * Thanks to: Seamus Leahy for adding deltaX and deltaY + * + * Version: 3.1.0 + * + * Requires: 1.2.2+ + */ + +(function (factory) { + if (typeof define === 'function' && define.amd) { + // AMD. Register as an anonymous module. + define(['jquery'], factory); + } else { + // Browser globals + factory(jQuery); + } +}(function ($) { + + var toFix = ['wheel', 'mousewheel', 'DOMMouseScroll']; + var toBind = 'onwheel' in document || document.documentMode >= 9 ? ['wheel'] : ['mousewheel', 'DomMouseScroll', 'MozMousePixelScroll']; + var lowestDelta, lowestDeltaXY; + + if ($.event.fixHooks) { + for ( var i=toFix.length; i; ) { + $.event.fixHooks[ toFix[--i] ] = $.event.mouseHooks; + } + } + + $.event.special.mousewheel = { + setup: function() { + if ( this.addEventListener ) { + for ( var i=toBind.length; i; ) { + this.addEventListener( toBind[--i], handler, false ); + } + } else { + this.onmousewheel = handler; + } + }, + + teardown: function() { + if ( this.removeEventListener ) { + for ( var i=toBind.length; i; ) { + this.removeEventListener( toBind[--i], handler, false ); + } + } else { + this.onmousewheel = null; + } + } + }; + + $.fn.extend({ + mousewheel: function(fn) { + return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel"); + }, + + unmousewheel: function(fn) { + return this.unbind("mousewheel", fn); + } + }); + + + function handler(event) { + var orgEvent = event || window.event, args = [].slice.call( arguments, 1 ), delta = 0, deltaX = 0, deltaY = 0, absDelta = 0, absDeltaXY = 0; + event = $.event.fix(orgEvent); + event.type = "mousewheel"; + + // Old school scrollwheel delta + if ( orgEvent.wheelDelta ) { delta = orgEvent.wheelDelta; } + if ( orgEvent.detail ) { delta = orgEvent.detail * -1; } + + // New school wheel delta (wheel event) + if ( orgEvent.deltaY ) { + deltaY = orgEvent.deltaY * -1; + delta = deltaY; + } + if ( orgEvent.deltaX ) { + deltaX = orgEvent.deltaX; + delta = deltaX * -1; + } + + // Webkit + if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY; } + if ( orgEvent.wheelDeltaX !== undefined ) { deltaX = orgEvent.wheelDeltaX * -1; } + + absDelta = Math.abs(delta); + if ( !lowestDelta || absDelta < lowestDelta ) { lowestDelta = absDelta; } + + absDeltaXY = Math.max( Math.abs(deltaY), Math.abs(deltaX) ); + if ( !lowestDeltaXY || absDeltaXY < lowestDeltaXY ) { lowestDeltaXY = absDeltaXY; } + + // Add event and delta to the front of the arguments + args.unshift(event, Math.floor(delta/lowestDelta), Math.floor(deltaX/lowestDeltaXY), Math.floor(deltaY/lowestDeltaXY)); + + return ($.event.dispatch || $.event.handle).apply(this, args); + } + +})); |