4 lines
10 KiB
JavaScript
4 lines
10 KiB
JavaScript
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/*! nanoScrollerJS - v0.8.7 - (c) 2015 James Florentino; Licensed MIT */
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!function(a){return"function"==typeof define&&define.amd?define(["jquery"],function(b){return a(b,window,document)}):"object"==typeof exports?module.exports=a(require("jquery"),window,document):a(jQuery,window,document)}(function(a,b,c){"use strict";var d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,A,B,C,D,E,F,G,H;z={paneClass:"nano-pane",sliderClass:"nano-slider",contentClass:"nano-content",enabledClass:"has-scrollbar",flashedClass:"flashed",activeClass:"active",iOSNativeScrolling:!1,preventPageScrolling:!1,disableResize:!1,alwaysVisible:!1,flashDelay:1500,sliderMinHeight:20,sliderMaxHeight:null,documentContext:null,windowContext:null},u="scrollbar",t="scroll",l="mousedown",m="mouseenter",n="mousemove",p="mousewheel",o="mouseup",s="resize",h="drag",i="enter",w="up",r="panedown",f="DOMMouseScroll",g="down",x="wheel",j="keydown",k="keyup",v="touchmove",d="Microsoft Internet Explorer"===b.navigator.appName&&/msie 7./i.test(b.navigator.appVersion)&&b.ActiveXObject,e=null,D=b.requestAnimationFrame,y=b.cancelAnimationFrame,F=c.createElement("div").style,H=function(){var a,b,c,d,e,f;for(d=["t","webkitT","MozT","msT","OT"],a=e=0,f=d.length;f>e;a=++e)if(c=d[a],b=d[a]+"ransform",b in F)return d[a].substr(0,d[a].length-1);return!1}(),G=function(a){return H===!1?!1:""===H?a:H+a.charAt(0).toUpperCase()+a.substr(1)},E=G("transform"),B=E!==!1,A=function(){var a,b,d;return a=c.createElement("div"),b=a.style,b.position="absolute",b.width="100px",b.height="100px",b.overflow=t,b.top="-9999px",c.body.appendChild(a),d=a.offsetWidth-a.clientWidth,c.body.removeChild(a),d},C=function(){var a,c,d;return c=b.navigator.userAgent,(a=/(?=.+Mac OS X)(?=.+Firefox)/.test(c))?(d=/Firefox\/\d{2}\./.exec(c),d&&(d=d[0].replace(/\D+/g,"")),a&&+d>23):!1},q=function(){function j(d,f){this.el=d,this.options=f,e||(e=A()),this.$el=a(this.el),this.doc=a(this.options.documentContext||c),this.win=a(this.options.windowContext||b),this.body=this.doc.find("body"),this.$content=this.$el.children("."+this.options.contentClass),this.$content.attr("tabindex",this.options.tabIndex||0),this.content=this.$content[0],this.previousPosition=0,this.options.iOSNativeScrolling&&null!=this.el.style.WebkitOverflowScrolling?this.nativeScrolling():this.generate(),this.createEvents(),this.addEvents(),this.reset()}return j.prototype.preventScrolling=function(a,b){if(this.isActive)if(a.type===f)(b===g&&a.originalEvent.detail>0||b===w&&a.originalEvent.detail<0)&&a.preventDefault();else if(a.type===p){if(!a.originalEvent||!a.originalEvent.wheelDelta)return;(b===g&&a.originalEvent.wheelDelta<0||b===w&&a.originalEvent.wheelDelta>0)&&a.preventDefault()}},j.prototype.nativeScrolling=function(){this.$content.css({WebkitOverflowScrolling:"touch"}),this.iOSNativeScrolling=!0,this.isActive=!0},j.prototype.updateScrollValues=function(){var a,b;a=this.content,this.maxScrollTop=a.scrollHeight-a.clientHeight,this.prevScrollTop=this.contentScrollTop||0,this.contentScrollTop=a.scrollTop,b=this.contentScrollTop>this.previousPosition?"down":this.contentScrollTop<this.previousPosition?"up":"same",this.previousPosition=this.contentScrollTop,"same"!==b&&this.$el.trigger("update",{position:this.contentScrollTop,maximum:this.maxScrollTop,direction:b}),this.iOSNativeScrolling||(this.maxSliderTop=this.paneHeight-this.sliderHeight,this.sliderTop=0===this.maxScrollTop?0:this.contentScrollTop*this.maxSliderTop/this.maxScrollTop)},j.prototype.setOnScrollStyles=function(){var a;B?(a={},a[E]="translate(0, "+this.sliderTop+"px)"):a={top:this.sliderTop},D?(y&&this.scrollRAF&&y(this.scrollRAF),this.scrollRAF=D(function(b){return function(){return b.scrollRAF=null,b.slider.css(a)}}(this))):this.slider.css(a)},j.prototype.createEvents=function(){this.events={down:function(a){return function(b){return a.isBeingDragged=!0,a.offsetY=b.pageY-a.slider.offset().top,a.slider.is(b.target)||(a.offsetY=0),a.pane.addClass(a.options.activeClass),a.doc.bind(n,a.events[h]).bind(o,a.events[w]),a.body.bind(m,a.events[i]),!1}}(this),drag:function(a){return function(b){return a.sliderY=b.pageY-a.$el.offset().top-a.paneTop-(a.offsetY||.5*a
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