jquery.bxslider.min.js

/**
 * BxSlider v4.1.1 - Fully loaded, responsive content slider
 * http://bxslider.com
 *
 * Copyright 2013, Steven Wanderski - http://stevenwanderski.com - http://bxcreative.com
 * Written while drinking Belgian ales and listening to jazz
 *
 * Released under the MIT license - http://opensource.org/licenses/MIT
 */
(function(e){var t={};var n={mode:"horizontal",slideSelector:"",infiniteLoop:true,hideControlOnEnd:false,speed:500,easing:null,slideMargin:0,startSlide:0,randomStart:false,captions:false,ticker:false,tickerHover:false,adaptiveHeight:false,adaptiveHeightSpeed:500,video:false,useCSS:true,preloadImages:"visible",responsive:true,touchEnabled:true,swipeThreshold:50,oneToOneTouch:true,preventDefaultSwipeX:true,preventDefaultSwipeY:false,pager:true,pagerType:"full",pagerShortSeparator:" / ",pagerSelector:null,buildPager:null,pagerCustom:null,controls:true,nextText:"Next",prevText:"Prev",nextSelector:null,prevSelector:null,autoControls:false,startText:"Start",stopText:"Stop",autoControlsCombine:false,autoControlsSelector:null,auto:false,pause:4e3,autoStart:true,autoDirection:"next",autoHover:false,autoDelay:0,minSlides:1,maxSlides:1,moveSlides:0,slideWidth:0,onSliderLoad:function(){},onSlideBefore:function(){},onSlideAfter:function(){},onSlideNext:function(){},onSlidePrev:function(){}};e.fn.bxSlider=function(r){if(this.length==0)return this;if(this.length>1){this.each(function(){e(this).bxSlider(r)});return this}var s={};var o=this;t.el=this;var u=e(window).width();var a=e(window).height();var f=function(){s.settings=e.extend({},n,r);s.settings.slideWidth=parseInt(s.settings.slideWidth);s.children=o.children(s.settings.slideSelector);if(s.children.length<s.settings.minSlides)s.settings.minSlides=s.children.length;if(s.children.length<s.settings.maxSlides)s.settings.maxSlides=s.children.length;if(s.settings.randomStart)s.settings.startSlide=Math.floor(Math.random()*s.children.length);s.active={index:s.settings.startSlide};s.carousel=s.settings.minSlides>1||s.settings.maxSlides>1;if(s.carousel)s.settings.preloadImages="all";s.minThreshold=s.settings.minSlides*s.settings.slideWidth+(s.settings.minSlides-1)*s.settings.slideMargin;s.maxThreshold=s.settings.maxSlides*s.settings.slideWidth+(s.settings.maxSlides-1)*s.settings.slideMargin;s.working=false;s.controls={};s.interval=null;s.animProp=s.settings.mode=="vertical"?"top":"left";s.usingCSS=s.settings.useCSS&&s.settings.mode!="fade"&&function(){var e=document.createElement("div");var t=["WebkitPerspective","MozPerspective","OPerspective","msPerspective"];for(var n in t){if(e.style[t[n]]!==undefined){s.cssPrefix=t[n].replace("Perspective","").toLowerCase();s.animProp="-"+s.cssPrefix+"-transform";return true}}return false}();if(s.settings.mode=="vertical")s.settings.maxSlides=s.settings.minSlides;o.data("origStyle",o.attr("style"));o.children(s.settings.slideSelector).each(function(){e(this).data("origStyle",e(this).attr("style"))});l()};var l=function(){o.wrap('<div class="bx-wrapper"><div class="bx-viewport"></div></div>');s.viewport=o.parent();s.loader=e('<div class="bx-loading" />');s.viewport.prepend(s.loader);o.css({width:s.settings.mode=="horizontal"?s.children.length*100+215+"%":"auto",position:"relative"});if(s.usingCSS&&s.settings.easing){o.css("-"+s.cssPrefix+"-transition-timing-function",s.settings.easing)}else if(!s.settings.easing){s.settings.easing="swing"}var t=m();s.viewport.css({width:"100%",overflow:"hidden",position:"relative"});s.viewport.parent().css({maxWidth:d()});if(!s.settings.pager){s.viewport.parent().css({margin:"0 auto 0px"})}s.children.css({"float":s.settings.mode=="horizontal"?"left":"none",listStyle:"none",position:"relative"});s.children.css("width",v());if(s.settings.mode=="horizontal"&&s.settings.slideMargin>0)s.children.css("marginRight",s.settings.slideMargin);if(s.settings.mode=="vertical"&&s.settings.slideMargin>0)s.children.css("marginBottom",s.settings.slideMargin);if(s.settings.mode=="fade"){s.children.css({position:"absolute",zIndex:0,display:"none"});s.children.eq(s.settings.startSlide).css({zIndex:50,display:"block"})}s.controls.el=e('<div class="bx-controls" />');if(s.settings.captions)N();s.active.last=s.settings.startSlide==g()-1;if(s.settings.video)o.fitVids();var n=s.children.eq(s.settings.startSlide);if(s.settings.preloadImages=="all")n=s.children;if(!s.settings.ticker){if(s.settings.pager)S();if(s.settings.controls)x();if(s.settings.auto&&s.settings.autoControls)T();if(s.settings.controls||s.settings.autoControls||s.settings.pager)s.viewport.after(s.controls.el)}else{s.settings.pager=false}c(n,h)};var c=function(t,n){var r=t.find("img, iframe").length;if(r==0){n();return}var i=0;t.find("img, iframe").each(function(){e(this).one("load",function(){if(++i==r)n()}).each(function(){if(this.complete)e(this).load()})})};var h=function(){if(s.settings.infiniteLoop&&s.settings.mode!="fade"&&!s.settings.ticker){var t=s.settings.mode=="vertical"?s.settings.minSlides:s.settings.maxSlides;var n=s.children.slice(0,t).clone().addClass("bx-clone");var r=s.children.slice(-t).clone().addClass("bx-clone");o.append(n).prepend(r)}s.loader.remove();b();if(s.settings.mode=="vertical")s.settings.adaptiveHeight=true;s.viewport.height(p());o.redrawSlider();s.settings.onSliderLoad(s.active.index);s.initialized=true;if(s.settings.responsive)e(window).bind("resize",U);if(s.settings.auto&&s.settings.autoStart)H();if(s.settings.ticker)B();if(s.settings.pager)M(s.settings.startSlide);if(s.settings.controls)P();if(s.settings.touchEnabled&&!s.settings.ticker)F()};var p=function(){var t=0;var n=e();if(s.settings.mode!="vertical"&&!s.settings.adaptiveHeight){n=s.children}else{if(!s.carousel){n=s.children.eq(s.active.index)}else{var r=s.settings.moveSlides==1?s.active.index:s.active.index*y();n=s.children.eq(r);for(i=1;i<=s.settings.maxSlides-1;i++){if(r+i>=s.children.length){n=n.add(s.children.eq(i-1))}else{n=n.add(s.children.eq(r+i))}}}}if(s.settings.mode=="vertical"){n.each(function(n){t+=e(this).outerHeight()});if(s.settings.slideMargin>0){t+=s.settings.slideMargin*(s.settings.minSlides-1)}}else{t=Math.max.apply(Math,n.map(function(){return e(this).outerHeight(false)}).get())}return t};var d=function(){var e="100%";if(s.settings.slideWidth>0){if(s.settings.mode=="horizontal"){e=s.settings.maxSlides*s.settings.slideWidth+(s.settings.maxSlides-1)*s.settings.slideMargin}else{e=s.settings.slideWidth}}return e};var v=function(){var e=s.settings.slideWidth;var t=s.viewport.width();if(s.settings.slideWidth==0||s.settings.slideWidth>t&&!s.carousel||s.settings.mode=="vertical"){e=t}else if(s.settings.maxSlides>1&&s.settings.mode=="horizontal"){if(t>s.maxThreshold){}else if(t<s.minThreshold){e=(t-s.settings.slideMargin*(s.settings.minSlides-1))/s.settings.minSlides}}return e};var m=function(){var e=1;if(s.settings.mode=="horizontal"&&s.settings.slideWidth>0){if(s.viewport.width()<s.minThreshold){e=s.settings.minSlides}else if(s.viewport.width()>s.maxThreshold){e=s.settings.maxSlides}else{var t=s.children.first().width();e=Math.floor(s.viewport.width()/t)}}else if(s.settings.mode=="vertical"){e=s.settings.minSlides}return e};var g=function(){var e=0;if(s.settings.moveSlides>0){if(s.settings.infiniteLoop){e=s.children.length/y()}else{var t=0;var n=0;while(t<s.children.length){++e;t=n+m();n+=s.settings.moveSlides<=m()?s.settings.moveSlides:m()}}}else{e=Math.ceil(s.children.length/m())}return e};var y=function(){if(s.settings.moveSlides>0&&s.settings.moveSlides<=m()){return s.settings.moveSlides}return m()};var b=function(){if(s.children.length>s.settings.maxSlides&&s.active.last&&!s.settings.infiniteLoop){if(s.settings.mode=="horizontal"){var e=s.children.last();var t=e.position();w(-(t.left-(s.viewport.width()-e.width())),"reset",0)}else if(s.settings.mode=="vertical"){var n=s.children.length-s.settings.minSlides;var t=s.children.eq(n).position();w(-t.top,"reset",0)}}else{var t=s.children.eq(s.active.index*y()).position();if(s.active.index==g()-1)s.active.last=true;if(t!=undefined){if(s.settings.mode=="horizontal")w(-t.left,"reset",0);else if(s.settings.mode=="vertical")w(-t.top,"reset",0)}}};var w=function(e,t,n,r){if(s.usingCSS){var i=s.settings.mode=="vertical"?"translate3d(0, "+e+"px, 0)":"translate3d("+e+"px, 0, 0)";o.css("-"+s.cssPrefix+"-transition-duration",n/1e3+"s");if(t=="slide"){o.css(s.animProp,i);o.bind("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd",function(){o.unbind("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd");_()})}else if(t=="reset"){o.css(s.animProp,i)}else if(t=="ticker"){o.css("-"+s.cssPrefix+"-transition-timing-function","linear");o.css(s.animProp,i);o.bind("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd",function(){o.unbind("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd");w(r["resetValue"],"reset",0);j()})}}else{var u={};u[s.animProp]=e;if(t=="slide"){o.animate(u,n,s.settings.easing,function(){_()})}else if(t=="reset"){o.css(s.animProp,e)}else if(t=="ticker"){o.animate(u,speed,"linear",function(){w(r["resetValue"],"reset",0);j()})}}};var E=function(){var t="";var n=g();for(var r=0;r<n;r++){var i="";if(s.settings.buildPager&&e.isFunction(s.settings.buildPager)){i=s.settings.buildPager(r);s.pagerEl.addClass("bx-custom-pager")}else{i=r+1;s.pagerEl.addClass("bx-default-pager")}t+='<div class="bx-pager-item"><a href="" data-slide-index="'+r+'" class="bx-pager-link">'+i+"</a></div>"}s.pagerEl.html(t)};var S=function(){if(!s.settings.pagerCustom){s.pagerEl=e('<div class="bx-pager" />');if(s.settings.pagerSelector){e(s.settings.pagerSelector).html(s.pagerEl)}else{s.controls.el.addClass("bx-has-pager").append(s.pagerEl)}E()}else{s.pagerEl=e(s.settings.pagerCustom)}s.pagerEl.delegate("a","click",O)};var x=function(){s.controls.next=e('<a class="bx-next" href="">'+s.settings.nextText+"</a>");s.controls.prev=e('<a class="bx-prev" href="">'+s.settings.prevText+"</a>");s.controls.next.bind("click",C);s.controls.prev.bind("click",k);if(s.settings.nextSelector){e(s.settings.nextSelector).append(s.controls.next)}if(s.settings.prevSelector){e(s.settings.prevSelector).append(s.controls.prev)}if(!s.settings.nextSelector&&!s.settings.prevSelector){s.controls.directionEl=e('<div class="bx-controls-direction" />');s.controls.directionEl.append(s.controls.prev).append(s.controls.next);s.controls.el.addClass("bx-has-controls-direction").append(s.controls.directionEl)}};var T=function(){s.controls.start=e('<div class="bx-controls-auto-item"><a class="bx-start" 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k=function(e){if(s.settings.auto)o.stopAuto();o.goToPrevSlide();e.preventDefault()};var L=function(e){o.startAuto();e.preventDefault()};var A=function(e){o.stopAuto();e.preventDefault()};var O=function(t){if(s.settings.auto)o.stopAuto();var n=e(t.currentTarget);var r=parseInt(n.attr("data-slide-index"));if(r!=s.active.index)o.goToSlide(r);t.preventDefault()};var M=function(t){var n=s.children.length;if(s.settings.pagerType=="short"){if(s.settings.maxSlides>1){n=Math.ceil(s.children.length/s.settings.maxSlides)}s.pagerEl.html(t+1+s.settings.pagerShortSeparator+n);return}s.pagerEl.find("a").removeClass("active");s.pagerEl.each(function(n,r){e(r).find("a").eq(t).addClass("active")})};var _=function(){if(s.settings.infiniteLoop){var e="",t=s.active.index;if(s.active.index==0){t=0}else if(s.active.index==g()-1&&s.carousel){t=(g()-1)*y()}else if(s.active.index==s.children.length-1){t=s.children.length-1}e=s.children.eq(t).position();if(s.settings.mode=="horizontal"){w(-e.left,"reset",0);}else if(s.settings.mode=="vertical"){w(-e.top,"reset",0);}}s.working=false;s.settings.onSlideAfter(s.children.eq(s.active.index),s.oldIndex,s.active.index)};var D=function(e){if(s.settings.autoControlsCombine){s.controls.autoEl.html(s.controls[e])}else{s.controls.autoEl.find("a").removeClass("active");s.controls.autoEl.find("a:not(.bx-"+e+")").addClass("active")}};var P=function(){if(g()==1){s.controls.prev.addClass("disabled");s.controls.next.addClass("disabled")}else if(!s.settings.infiniteLoop&&s.settings.hideControlOnEnd){if(s.active.index==0){s.controls.prev.addClass("disabled");s.controls.next.removeClass("disabled")}else if(s.active.index==g()-1){s.controls.next.addClass("disabled");s.controls.prev.removeClass("disabled")}else{s.controls.prev.removeClass("disabled");s.controls.next.removeClass("disabled")}}};var H=function(){if(s.settings.autoDelay>0){var e=setTimeout(o.startAuto,s.settings.autoDelay)}else{o.startAuto()}if(s.settings.autoHover){o.hover(function(){if(s.interval){o.stopAuto(true);s.autoPaused=true}},function(){if(s.autoPaused){o.startAuto(true);s.autoPaused=null}})}};var B=function(){var t=0;if(s.settings.autoDirection=="next"){o.append(s.children.clone().addClass("bx-clone"))}else{o.prepend(s.children.clone().addClass("bx-clone"));var n=s.children.first().position();t=s.settings.mode=="horizontal"?-n.left:-n.top}w(t,"reset",0);s.settings.pager=false;s.settings.controls=false;s.settings.autoControls=false;if(s.settings.tickerHover&&!s.usingCSS){s.viewport.hover(function(){o.stop()},function(){var t=0;s.children.each(function(n){t+=s.settings.mode=="horizontal"?e(this).outerWidth(true):e(this).outerHeight(true)});var n=s.settings.speed/t;var r=s.settings.mode=="horizontal"?"left":"top";var i=n*(t-Math.abs(parseInt(o.css(r))));j(i)})}j()};var j=function(e){speed=e?e:s.settings.speed;var t={left:0,top:0};var n={left:0,top:0};if(s.settings.autoDirection=="next"){t=o.find(".bx-clone").first().position()}else{n=s.children.first().position()}var r=s.settings.mode=="horizontal"?-t.left:-t.top;var i=s.settings.mode=="horizontal"?-n.left:-n.top;var u={resetValue:i};w(r,"ticker",speed,u)};var F=function(){s.touch={start:{x:0,y:0},end:{x:0,y:0}};s.viewport.bind("touchstart",I)};var I=function(e){if(s.working){e.preventDefault()}else{s.touch.originalPos=o.position();var t=e.originalEvent;s.touch.start.x=t.changedTouches[0].pageX;s.touch.start.y=t.changedTouches[0].pageY;s.viewport.bind("touchmove",q);s.viewport.bind("touchend",R)}};var q=function(e){var t=e.originalEvent;var n=Math.abs(t.changedTouches[0].pageX-s.touch.start.x);var r=Math.abs(t.changedTouches[0].pageY-s.touch.start.y);if(n*3>r&&s.settings.preventDefaultSwipeX){e.preventDefault()}else if(r*3>n&&s.settings.preventDefaultSwipeY){e.preventDefault()}if(s.settings.mode!="fade"&&s.settings.oneToOneTouch){var i=0;if(s.settings.mode=="horizontal"){var o=t.changedTouches[0].pageX-s.touch.start.x;i=s.touch.originalPos.left+o}else{var o=t.changedTouches[0].pageY-s.touch.start.y;i=s.touch.originalPos.top+o}w(i,"reset",0)}};var R=function(e){s.viewport.unbind("touchmove",q);var t=e.originalEvent;var n=0;s.touch.end.x=t.changedTouches[0].pageX;s.touch.end.y=t.changedTouches[0].pageY;if(s.settings.mode=="fade"){var r=Math.abs(s.touch.start.x-s.touch.end.x);if(r>=s.settings.swipeThreshold){s.touch.start.x>s.touch.end.x?o.goToNextSlide():o.goToPrevSlide();o.stopAuto()}}else{var r=0;if(s.settings.mode=="horizontal"){r=s.touch.end.x-s.touch.start.x;n=s.touch.originalPos.left}else{r=s.touch.end.y-s.touch.start.y;n=s.touch.originalPos.top}if(!s.settings.infiniteLoop&&(s.active.index==0&&r>0||s.active.last&&r<0)){w(n,"reset",200)}else{if(Math.abs(r)>=s.settings.swipeThreshold){r<0?o.goToNextSlide():o.goToPrevSlide();o.stopAuto()}else{w(n,"reset",200)}}}s.viewport.unbind("touchend",R)};var U=function(t){var n=e(window).width();var r=e(window).height();if(u!=n||a!=r){u=n;a=r;o.redrawSlider()}};o.goToSlide=function(t,n){if(s.working||s.active.index==t)return;s.working=true;s.oldIndex=s.active.index;if(t<0){s.active.index=g()-1}else if(t>=g()){s.active.index=0}else{s.active.index=t}s.settings.onSlideBefore(s.children.eq(s.active.index),s.oldIndex,s.active.index);if(n=="next"){s.settings.onSlideNext(s.children.eq(s.active.index),s.oldIndex,s.active.index)}else if(n=="prev"){s.settings.onSlidePrev(s.children.eq(s.active.index),s.oldIndex,s.active.index)}s.active.last=s.active.index>=g()-1;if(s.settings.pager)M(s.active.index);if(s.settings.controls)P();if(s.settings.mode=="fade"){if(s.settings.adaptiveHeight&&s.viewport.height()!=p()){s.viewport.animate({height:p()},s.settings.adaptiveHeightSpeed)}s.children.filter(":visible").fadeOut(s.settings.speed).css({zIndex:0});s.children.eq(s.active.index).css("zIndex",51).fadeIn(s.settings.speed,function(){e(this).css("zIndex",50);_()})}else{if(s.settings.adaptiveHeight&&s.viewport.height()!=p()){s.viewport.animate({height:p()},s.settings.adaptiveHeightSpeed)}var r=0;var i={left:0,top:0};if(!s.settings.infiniteLoop&&s.carousel&&s.active.last){if(s.settings.mode=="horizontal"){var u=s.children.eq(s.children.length-1);i=u.position();r=s.viewport.width()-u.outerWidth()}else{var a=s.children.length-s.settings.minSlides;i=s.children.eq(a).position()}}else if(s.carousel&&s.active.last&&n=="prev"){var f=s.settings.moveSlides==1?s.settings.maxSlides-y():(g()-1)*y()-(s.children.length-s.settings.maxSlides);var u=o.children(".bx-clone").eq(f);i=u.position()}else if(n=="next"&&s.active.index==0){i=o.find("> .bx-clone").eq(s.settings.maxSlides).position();s.active.last=false}else if(t>=0){var l=t*y();i=s.children.eq(l).position()}if("undefined"!==typeof i){var c=s.settings.mode=="horizontal"?-(i.left-r):-i.top;w(c,"slide",s.settings.speed)}}};o.goToNextSlide=function(){if(!s.settings.infiniteLoop&&s.active.last)return;var e=parseInt(s.active.index)+1;o.goToSlide(e,"next")};o.goToPrevSlide=function(){if(!s.settings.infiniteLoop&&s.active.index==0)return;var e=parseInt(s.active.index)-1;o.goToSlide(e,"prev")};o.startAuto=function(e){if(s.interval)return;s.interval=setInterval(function(){s.settings.autoDirection=="next"?o.goToNextSlide():o.goToPrevSlide()},s.settings.pause);if(s.settings.autoControls&&e!=true)D("stop")};o.stopAuto=function(e){if(!s.interval)return;clearInterval(s.interval);s.interval=null;if(s.settings.autoControls&&e!=true)D("start")};o.getCurrentSlide=function(){return s.active.index};o.getSlideCount=function(){return s.children.length};o.redrawSlider=function(){s.children.add(o.find(".bx-clone")).outerWidth(v());s.viewport.css("height",p());if(!s.settings.ticker)b();if(s.active.last)s.active.index=g()-1;if(s.active.index>=g())s.active.last=true;if(s.settings.pager&&!s.settings.pagerCustom){E();M(s.active.index)}};o.destroySlider=function(){if(!s.initialized)return;s.initialized=false;e(".bx-clone",this).remove();s.children.each(function(){e(this).data("origStyle")!=undefined?e(this).attr("style",e(this).data("origStyle")):e(this).removeAttr("style")});e(this).data("origStyle")!=undefined?this.attr("style",e(this).data("origStyle")):e(this).removeAttr("style");e(this).unwrap().unwrap();if(s.controls.el)s.controls.el.remove();if(s.controls.next)s.controls.next.remove();if(s.controls.prev)s.controls.prev.remove();if(s.pagerEl)s.pagerEl.remove();e(".bx-caption",this).remove();if(s.controls.autoEl)s.controls.autoEl.remove();clearInterval(s.interval);if(s.settings.responsive)e(window).unbind("resize",U)};o.reloadSlider=function(e){if(e!=undefined)r=e;o.destroySlider();f()};f();return this}})(jQuery)