select2/docs/themes/learn2/js/jquery.scrollbar.min.js

/**
 * jQuery CSS Customizable Scrollbar
 *
 * Copyright 2015, Yuriy Khabarov
 * Dual licensed under the MIT or GPL Version 2 licenses.
 *
 * If you found bug, please contact me via email <13real008@gmail.com>
 *
 * Compressed by http://jscompress.com/
 *
 * @author Yuriy Khabarov aka Gromo
 * @version 0.2.9
 * @url https://github.com/gromo/jquery.scrollbar/
 *
 */
!function(l,e){"function"==typeof define&&define.amd?define(["jquery"],e):e(l.jQuery)}(this,function(l){"use strict";function e(e){if(t.webkit&&!e)return{height:0,width:0};if(!t.data.outer){var o={border:"none","box-sizing":"content-box",height:"200px",margin:"0",padding:"0",width:"200px"};t.data.inner=l("<div>").css(l.extend({},o)),t.data.outer=l("<div>").css(l.extend({left:"-1000px",overflow:"scroll",position:"absolute",top:"-1000px"},o)).append(t.data.inner).appendTo("body")}return t.data.outer.scrollLeft(1e3).scrollTop(1e3),{height:Math.ceil(t.data.outer.offset().top-t.data.inner.offset().top||0),width:Math.ceil(t.data.outer.offset().left-t.data.inner.offset().left||0)}}function o(){var l=e(!0);return!(l.height||l.width)}function s(l){var e=l.originalEvent;return e.axis&&e.axis===e.HORIZONTAL_AXIS?!1:e.wheelDeltaX?!1:!0}var r=!1,t={data:{index:0,name:"scrollbar"},macosx:/mac/i.test(navigator.platform),mobile:/android|webos|iphone|ipad|ipod|blackberry/i.test(navigator.userAgent),overlay:null,scroll:null,scrolls:[],webkit:/webkit/i.test(navigator.userAgent)&&!/edge\/\d+/i.test(navigator.userAgent)};t.scrolls.add=function(l){this.remove(l).push(l)},t.scrolls.remove=function(e){for(;l.inArray(e,this)>=0;)this.splice(l.inArray(e,this),1);return this};var i={autoScrollSize:!0,autoUpdate:!0,debug:!1,disableBodyScroll:!1,duration:200,ignoreMobile:!1,ignoreOverlay:!1,scrollStep:30,showArrows:!1,stepScrolling:!0,scrollx:null,scrolly:null,onDestroy:null,onInit:null,onScroll:null,onUpdate:null},n=function(s){t.scroll||(t.overlay=o(),t.scroll=e(),a(),l(window).resize(function(){var l=!1;if(t.scroll&&(t.scroll.height||t.scroll.width)){var o=e();(o.height!==t.scroll.height||o.width!==t.scroll.width)&&(t.scroll=o,l=!0)}a(l)})),this.container=s,this.namespace=".scrollbar_"+t.data.index++,this.options=l.extend({},i,window.jQueryScrollbarOptions||{}),this.scrollTo=null,this.scrollx={},this.scrolly={},s.data(t.data.name,this),t.scrolls.add(this)};n.prototype={destroy:function(){if(this.wrapper){this.container.removeData(t.data.name),t.scrolls.remove(this);var e=this.container.scrollLeft(),o=this.container.scrollTop();this.container.insertBefore(this.wrapper).css({height:"",margin:"","max-height":""}).removeClass("scroll-content scroll-scrollx_visible scroll-scrolly_visible").off(this.namespace).scrollLeft(e).scrollTop(o),this.scrollx.scroll.removeClass("scroll-scrollx_visible").find("div").andSelf().off(this.namespace),this.scrolly.scroll.removeClass("scroll-scrolly_visible").find("div").andSelf().off(this.namespace),this.wrapper.remove(),l(document).add("body").off(this.namespace),l.isFunction(this.options.onDestroy)&&this.options.onDestroy.apply(this,[this.container])}},init:function(e){var o=this,r=this.container,i=this.containerWrapper||r,n=this.namespace,c=l.extend(this.options,e||{}),a={x:this.scrollx,y:this.scrolly},d=this.wrapper,h={scrollLeft:r.scrollLeft(),scrollTop:r.scrollTop()};if(t.mobile&&c.ignoreMobile||t.overlay&&c.ignoreOverlay)return!1;if(d)i.css({height:"auto","margin-bottom":-1*t.scroll.height+"px","margin-right":-1*t.scroll.width+"px","max-height":""});else{if(this.wrapper=d=l("<div>").addClass("scroll-wrapper").addClass(r.attr("class")).css("position","absolute"==r.css("position")?"absolute":"relative").insertBefore(r).append(r),r.is("textarea")&&(this.containerWrapper=i=l("<div>").insertBefore(r).append(r),d.addClass("scroll-textarea")),i.addClass("scroll-content").css({height:"auto","margin-bottom":-1*t.scroll.height+"px","margin-right":-1*t.scroll.width+"px","max-height":""}),r.on("scroll"+n,function(){l.isFunction(c.onScroll)&&c.onScroll.call(o,{maxScroll:a.y.maxScrollOffset,scroll:r.scrollTop(),size:a.y.size,visible:a.y.visible},{maxScroll:a.x.maxScrollOffset,scroll:r.scrollLeft(),size:a.x.size,visible:a.x.visible}),a.x.isVisible&&a.x.scroll.bar.css("left",r.scrollLeft()*a.x.kx+"px"),a.y.isVisible&&a.y.scroll.bar.css("top",r.scrollTop()*a.y.kx+"px")}),d.on("scroll"+n,function(){d.scrollTop(0).scrollLeft(0)}),c.disableBodyScroll){var p=function(l){s(l)?a.y.isVisible&&a.y.mousewheel(l):a.x.isVisible&&a.x.mousewheel(l)};d.on("MozMousePixelScroll"+n,p),d.on("mousewheel"+n,p),t.mobile&&d.on("touchstart"+n,function(e){var o=e.originalEvent.touches&&e.originalEvent.touches[0]||e,s={pageX:o.pageX,pageY:o.pageY},t={left:r.scrollLeft(),top:r.scrollTop()};l(document).on("touchmove"+n,function(l){var e=l.originalEvent.targetTouches&&l.originalEvent.targetTouches[0]||l;r.scrollLeft(t.left+s.pageX-e.pageX),r.scrollTop(t.top+s.pageY-e.pageY),l.preventDefault()}),l(document).on("touchend"+n,function(){l(document).off(n)})})}l.isFunction(c.onInit)&&c.onInit.apply(this,[r])}l.each(a,function(e,t){var i=null,d=1,h="x"===e?"scrollLeft":"scrollTop",p=c.scrollStep,u=function(){var l=r[h]();r[h](l+p),1==d&&l+p>=f&&(l=r[h]()),-1==d&&f>=l+p&&(l=r[h]()),r[h]()==l&&i&&i()},f=0;t.scroll||(t.scroll=o._getScroll(c["scroll"+e]).addClass("scroll-"+e),c.showArrows&&t.scroll.addClass("scroll-element_arrows_visible"),t.mousewheel=function(l){if(!t.isVisible||"x"===e&&s(l))return!0;if("y"===e&&!s(l))return a.x.mousewheel(l),!0;var i=-1*l.originalEvent.wheelDelta||l.originalEvent.detail,n=t.size-t.visible-t.offset;return(i>0&&n>f||0>i&&f>0)&&(f+=i,0>f&&(f=0),f>n&&(f=n),o.scrollTo=o.scrollTo||{},o.scrollTo[h]=f,setTimeout(function(){o.scrollTo&&(r.stop().animate(o.scrollTo,240,"linear",function(){f=r[h]()}),o.scrollTo=null)},1)),l.preventDefault(),!1},t.scroll.on("MozMousePixelScroll"+n,t.mousewheel).on("mousewheel"+n,t.mousewheel).on("mouseenter"+n,function(){f=r[h]()}),t.scroll.find(".scroll-arrow, .scroll-element_track").on("mousedown"+n,function(s){if(1!=s.which)return!0;d=1;var n={eventOffset:s["x"===e?"pageX":"pageY"],maxScrollValue:t.size-t.visible-t.offset,scrollbarOffset:t.scroll.bar.offset()["x"===e?"left":"top"],scrollbarSize:t.scroll.bar["x"===e?"outerWidth":"outerHeight"]()},a=0,v=0;return l(this).hasClass("scroll-arrow")?(d=l(this).hasClass("scroll-arrow_more")?1:-1,p=c.scrollStep*d,f=d>0?n.maxScrollValue:0):(d=n.eventOffset>n.scrollbarOffset+n.scrollbarSize?1:n.eventOffset<n.scrollbarOffset?-1:0,p=Math.round(.75*t.visible)*d,f=n.eventOffset-n.scrollbarOffset-(c.stepScrolling?1==d?n.scrollbarSize:0:Math.round(n.scrollbarSize/2)),f=r[h]()+f/t.kx),o.scrollTo=o.scrollTo||{},o.scrollTo[h]=c.stepScrolling?r[h]()+p:f,c.stepScrolling&&(i=function(){f=r[h](),clearInterval(v),clearTimeout(a),a=0,v=0},a=setTimeout(function(){v=setInterval(u,40)},c.duration+100)),setTimeout(function(){o.scrollTo&&(r.animate(o.scrollTo,c.duration),o.scrollTo=null)},1),o._handleMouseDown(i,s)}),t.scroll.bar.on("mousedown"+n,function(s){if(1!=s.which)return!0;var i=s["x"===e?"pageX":"pageY"],c=r[h]();return t.scroll.addClass("scroll-draggable"),l(document).on("mousemove"+n,function(l){var o=parseInt((l["x"===e?"pageX":"pageY"]-i)/t.kx,10);r[h](c+o)}),o._handleMouseDown(function(){t.scroll.removeClass("scroll-draggable"),f=r[h]()},s)}))}),l.each(a,function(l,e){var o="scroll-scroll"+l+"_visible",s="x"==l?a.y:a.x;e.scroll.removeClass(o),s.scroll.removeClass(o),i.removeClass(o)}),l.each(a,function(e,o){l.extend(o,"x"==e?{offset:parseInt(r.css("left"),10)||0,size:r.prop("scrollWidth"),visible:d.width()}:{offset:parseInt(r.css("top"),10)||0,size:r.prop("scrollHeight"),visible:d.height()})}),this._updateScroll("x",this.scrollx),this._updateScroll("y",this.scrolly),l.isFunction(c.onUpdate)&&c.onUpdate.apply(this,[r]),l.each(a,function(l,e){var o="x"===l?"left":"top",s="x"===l?"outerWidth":"outerHeight",t="x"===l?"width":"height",i=parseInt(r.css(o),10)||0,n=e.size,a=e.visible+i,d=e.scroll.size[s]()+(parseInt(e.scroll.size.css(o),10)||0);c.autoScrollSize&&(e.scrollbarSize=parseInt(d*a/n,10),e.scroll.bar.css(t,e.scrollbarSize+"px")),e.scrollbarSize=e.scroll.bar[s](),e.kx=(d-e.scrollbarSize)/(n-a)||1,e.maxScrollOffset=n-a}),r.scrollLeft(h.scrollLeft).scrollTop(h.scrollTop).trigger("scroll")},_getScroll:function(e){var o={advanced:['<div class="scroll-element">','<div class="scroll-element_corner"></div>','<div class="scroll-arrow scroll-arrow_less"></div>','<div class="scroll-arrow scroll-arrow_more"></div>','<div class="scroll-element_outer">','<div class="scroll-element_size"></div>','<div class="scroll-element_inner-wrapper">','<div class="scroll-element_inner scroll-element_track">','<div class="scroll-element_inner-bottom"></div>',"</div>","</div>",'<div class="scroll-bar">','<div class="scroll-bar_body">','<div class="scroll-bar_body-inner"></div>',"</div>",'<div class="scroll-bar_bottom"></div>','<div class="scroll-bar_center"></div>',"</div>","</div>","</div>"].join(""),simple:['<div class="scroll-element">','<div class="scroll-element_outer">','<div class="scroll-element_size"></div>','<div class="scroll-element_track"></div>','<div class="scroll-bar"></div>',"</div>","</div>"].join("")};return o[e]&&(e=o[e]),e||(e=o.simple),e="string"==typeof e?l(e).appendTo(this.wrapper):l(e),l.extend(e,{bar:e.find(".scroll-bar"),size:e.find(".scroll-element_size"),track:e.find(".scroll-element_track")}),e},_handleMouseDown:function(e,o){var s=this.namespace;return l(document).on("blur"+s,function(){l(document).add("body").off(s),e&&e()}),l(document).on("dragstart"+s,function(l){return l.preventDefault(),!1}),l(document).on("mouseup"+s,function(){l(document).add("body").off(s),e&&e()}),l("body").on("selectstart"+s,function(l){return l.preventDefault(),!1}),o&&o.preventDefault(),!1},_updateScroll:function(e,o){var s=this.container,r=this.containerWrapper||s,i="scroll-scroll"+e+"_visible",n="x"===e?this.scrolly:this.scrollx,c=parseInt(this.container.css("x"===e?"left":"top"),10)||0,a=this.wrapper,d=o.size,h=o.visible+c;o.isVisible=d-h>1,o.isVisible?(o.scroll.addClass(i),n.scroll.addClass(i),r.addClass(i)):(o.scroll.removeClass(i),n.scroll.removeClass(i),r.removeClass(i)),"y"===e&&r.css(s.is("textarea")||h>d?{height:h+t.scroll.height+"px","max-height":"none"}:{"max-height":h+t.scroll.height+"px"}),(o.size!=s.prop("scrollWidth")||n.size!=s.prop("scrollHeight")||o.visible!=a.width()||n.visible!=a.height()||o.offset!=(parseInt(s.css("left"),10)||0)||n.offset!=(parseInt(s.css("top"),10)||0))&&(l.extend(this.scrollx,{offset:parseInt(s.css("left"),10)||0,size:s.prop("scrollWidth"),visible:a.width()}),l.extend(this.scrolly,{offset:parseInt(s.css("top"),10)||0,size:this.container.prop("scrollHeight"),visible:a.height()}),this._updateScroll("x"===e?"y":"x",n))}};var c=n;l.fn.scrollbar=function(e,o){return"string"!=typeof e&&(o=e,e="init"),"undefined"==typeof o&&(o=[]),l.isArray(o)||(o=[o]),this.not("body, .scroll-wrapper").each(function(){var s=l(this),r=s.data(t.data.name);(r||"init"===e)&&(r||(r=new c(s)),r[e]&&r[e].apply(r,o))}),this},l.fn.scrollbar.options=i;var a=function(){var l=0,e=0;return function(o){var s,i,n,c,d,h,p;for(s=0;s<t.scrolls.length;s++)c=t.scrolls[s],i=c.container,n=c.options,d=c.wrapper,h=c.scrollx,p=c.scrolly,(o||n.autoUpdate&&d&&d.is(":visible")&&(i.prop("scrollWidth")!=h.size||i.prop("scrollHeight")!=p.size||d.width()!=h.visible||d.height()!=p.visible))&&(c.init(),n.debug&&(window.console&&console.log({scrollHeight:i.prop("scrollHeight")+":"+c.scrolly.size,scrollWidth:i.prop("scrollWidth")+":"+c.scrollx.size,visibleHeight:d.height()+":"+c.scrolly.visible,visibleWidth:d.width()+":"+c.scrollx.visible},!0),e++));r&&e>10?(window.console&&console.log("Scroll updates exceed 10"),a=function(){}):(clearTimeout(l),l=setTimeout(a,300))}}();window.angular&&!function(l){l.module("jQueryScrollbar",[]).provider("jQueryScrollbar",function(){var e=i;return{setOptions:function(o){l.extend(e,o)},$get:function(){return{options:l.copy(e)}}}}).directive("jqueryScrollbar",function(l,e){return{restrict:"AC",link:function(o,s,r){var t=e(r.jqueryScrollbar),i=t(o);s.scrollbar(i||l.options).on("$destroy",function(){s.scrollbar("destroy")})}}})}(window.angular)});