/*! lg-thumbnail - v1.1.0 - 2017-08-08
* http://sachinchoolur.github.io/lightGallery
* Copyright (c) 2017 Sachin N; Licensed GPLv3 */
!function(a,b){"function"==typeof define&&define.amd?define(["jquery"],function(a){return b(a)}):"object"==typeof exports?module.exports=b(require("jquery")):b(jQuery)}(this,function(a){!function(){"use strict";var b={thumbnail:!0,animateThumb:!0,currentPagerPosition:"middle",thumbWidth:100,thumbHeight:"80px",thumbContHeight:100,thumbMargin:5,exThumbImage:!1,showThumbByDefault:!0,toogleThumb:!0,pullCaptionUp:!0,enableThumbDrag:!0,enableThumbSwipe:!0,swipeThreshold:50,loadYoutubeThumbnail:!0,youtubeThumbSize:1,loadVimeoThumbnail:!0,vimeoThumbSize:"thumbnail_small",loadDailymotionThumbnail:!0},c=function(c){return this.core=a(c).data("lightGallery"),this.core.s=a.extend({},b,this.core.s),this.$el=a(c),this.$thumbOuter=null,this.thumbOuterWidth=0,this.thumbTotalWidth=this.core.$items.length*(this.core.s.thumbWidth+this.core.s.thumbMargin),this.thumbIndex=this.core.index,this.core.s.animateThumb&&(this.core.s.thumbHeight="100%"),this.left=0,this.init(),this};c.prototype.init=function(){var a=this;this.core.s.thumbnail&&this.core.$items.length>1&&(this.core.s.showThumbByDefault&&setTimeout(function(){a.core.$outer.addClass("lg-thumb-open")},700),this.core.s.pullCaptionUp&&this.core.$outer.addClass("lg-pull-caption-up"),this.build(),this.core.s.animateThumb&&this.core.doCss()?(this.core.s.enableThumbDrag&&this.enableThumbDrag(),this.core.s.enableThumbSwipe&&this.enableThumbSwipe(),this.thumbClickable=!1):this.thumbClickable=!0,this.toogle(),this.thumbkeyPress())},c.prototype.build=function(){function b(a,b,c){var g,h=d.core.isVideo(a,c)||{},i="";h.youtube||h.vimeo||h.dailymotion?h.youtube?g=d.core.s.loadYoutubeThumbnail?"//img.youtube.com/vi/"+h.youtube[1]+"/"+d.core.s.youtubeThumbSize+".jpg":b:h.vimeo?d.core.s.loadVimeoThumbnail?(g="//i.vimeocdn.com/video/error_"+f+".jpg",i=h.vimeo[1]):g=b:h.dailymotion&&(g=d.core.s.loadDailymotionThumbnail?"//www.dailymotion.com/thumbnail/video/"+h.dailymotion[1]:b):g=b,e+='<div data-vimeo-id="'+i+'" class="lg-thumb-item" style="width:'+d.core.s.thumbWidth+"px; height: "+d.core.s.thumbHeight+"; margin-right: "+d.core.s.thumbMargin+'px"><img src="'+g+'" /></div>',i=""}var c,d=this,e="",f="",g='<div class="lg-thumb-outer"><div class="lg-thumb lg-group"></div></div>';switch(this.core.s.vimeoThumbSize){case"thumbnail_large":f="640";break;case"thumbnail_medium":f="200x150";break;case"thumbnail_small":f="100x75"}if(d.core.$outer.addClass("lg-has-thumb"),d.core.$outer.find(".lg").append(g),d.$thumbOuter=d.core.$outer.find(".lg-thumb-outer"),d.thumbOuterWidth=d.$thumbOuter.width(),d.core.s.animateThumb&&d.core.$outer.find(".lg-thumb").css({width:d.thumbTotalWidth+"px",position:"relative"}),this.core.s.animateThumb&&d.$thumbOuter.css("height",d.core.s.thumbContHeight+"px"),d.core.s.dynamic)for(var h=0;h<d.core.s.dynamicEl.length;h++)b(d.core.s.dynamicEl[h].src,d.core.s.dynamicEl[h].thumb,h);else d.core.$items.each(function(c){d.core.s.exThumbImage?b(a(this).attr("href")||a(this).attr("data-src"),a(this).attr(d.core.s.exThumbImage),c):b(a(this).attr("href")||a(this).attr("data-src"),a(this).find("img").attr("src"),c)});d.core.$outer.find(".lg-thumb").html(e),c=d.core.$outer.find(".lg-thumb-item"),c.each(function(){var b=a(this),c=b.attr("data-vimeo-id");c&&a.getJSON("//www.vimeo.com/api/v2/video/"+c+".json?callback=?",{format:"json"},function(a){b.find("img").attr("src",a[0][d.core.s.vimeoThumbSize])})}),c.eq(d.core.index).addClass("active"),d.core.$el.on("onBeforeSlide.lg.tm",function(){c.removeClass("active"),c.eq(d.core.index).addClass("active")}),c.on("click.lg touchend.lg",function(){var b=a(this);setTimeout(function(){(d.thumbClickable&&!d.core.lgBusy||!d.core.doCss())&&(d.core.index=b.index(),d.core.slide(d.core.index,!1,!0,!1))},50)}),d.core.$el.on("onBeforeSlide.lg.tm",function(){d.animateThumb(d.core.index)}),a(window).on("resize.lg.thumb orientationchange.lg.thumb",function(){setTimeout(function(){d.animateThumb(d.core.index),d.thumbOuterWidth=d.$thumbOuter.width()},200)})},c.prototype.setTranslate=function(a){this.core.$outer.find(".lg-thumb").css({transform:"translate3d(-"+a+"px, 0px, 0px)"})},c.prototype.animateThumb=function(a){var b=this.core.$outer.find(".lg-thumb");if(this.core.s.animateThumb){var c;switch(this.core.s.currentPagerPosition){case"left":c=0;break;case"middle":c=this.thumbOuterWidth/2-this.core.s.thumbWidth/2;break;case"right":c=this.thumbOuterWidth-this.core.s.thumbWidth}this.left=(this.core.s.thumbWidth+this.core.s.thumbMargin)*a-1-c,this.left>this.thumbTotalWidth-this.thumbOuterWidth&&(this.left=this.thumbTotalWidth-this.thumbOuterWidth),this.left<0&&(this.left=0),this.core.lGalleryOn?(b.hasClass("on")||this.core.$outer.find(".lg-thumb").css("transition-duration",this.core.s.speed+"ms"),this.core.doCss()||b.animate({left:-this.left+"px"},this.core.s.speed)):this.core.doCss()||b.css("left",-this.left+"px"),this.setTranslate(this.left)}},c.prototype.enableThumbDrag=function(){var b=this,c=0,d=0,e=!1,f=!1,g=0;b.$thumbOuter.addClass("lg-grab"),b.core.$outer.find(".lg-thumb").on("mousedown.lg.thumb",function(a){b.thumbTotalWidth>b.thumbOuterWidth&&(a.preventDefault(),c=a.pageX,e=!0,b.core.$outer.scrollLeft+=1,b.core.$outer.scrollLeft-=1,b.thumbClickable=!1,b.$thumbOuter.removeClass("lg-grab").addClass("lg-grabbing"))}),a(window).on("mousemove.lg.thumb",function(a){e&&(g=b.left,f=!0,d=a.pageX,b.$thumbOuter.addClass("lg-dragging"),g-=d-c,g>b.thumbTotalWidth-b.thumbOuterWidth&&(g=b.thumbTotalWidth-b.thumbOuterWidth),g<0&&(g=0),b.setTranslate(g))}),a(window).on("mouseup.lg.thumb",function(){f?(f=!1,b.$thumbOuter.removeClass("lg-dragging"),b.left=g,Math.abs(d-c)<b.core.s.swipeThreshold&&(b.thumbClickable=!0)):b.thumbClickable=!0,e&&(e=!1,b.$thumbOuter.removeClass("lg-grabbing").addClass("lg-grab"))})},c.prototype.enableThumbSwipe=function(){var a=this,b=0,c=0,d=!1,e=0;a.core.$outer.find(".lg-thumb").on("touchstart.lg",function(c){a.thumbTotalWidth>a.thumbOuterWidth&&(c.preventDefault(),b=c.originalEvent.targetTouches[0].pageX,a.thumbClickable=!1)}),a.core.$outer.find(".lg-thumb").on("touchmove.lg",function(f){a.thumbTotalWidth>a.thumbOuterWidth&&(f.preventDefault(),c=f.originalEvent.targetTouches[0].pageX,d=!0,a.$thumbOuter.addClass("lg-dragging"),e=a.left,e-=c-b,e>a.thumbTotalWidth-a.thumbOuterWidth&&(e=a.thumbTotalWidth-a.thumbOuterWidth),e<0&&(e=0),a.setTranslate(e))}),a.core.$outer.find(".lg-thumb").on("touchend.lg",function(){a.thumbTotalWidth>a.thumbOuterWidth&&d?(d=!1,a.$thumbOuter.removeClass("lg-dragging"),Math.abs(c-b)<a.core.s.swipeThreshold&&(a.thumbClickable=!0),a.left=e):a.thumbClickable=!0})},c.prototype.toogle=function(){var a=this;a.core.s.toogleThumb&&(a.core.$outer.addClass("lg-can-toggle"),a.$thumbOuter.append('<span class="lg-toogle-thumb lg-icon"></span>'),a.core.$outer.find(".lg-toogle-thumb").on("click.lg",function(){a.core.$outer.toggleClass("lg-thumb-open")}))},c.prototype.thumbkeyPress=function(){var b=this;a(window).on("keydown.lg.thumb",function(a){38===a.keyCode?(a.preventDefault(),b.core.$outer.addClass("lg-thumb-open")):40===a.keyCode&&(a.preventDefault(),b.core.$outer.removeClass("lg-thumb-open"))})},c.prototype.destroy=function(){this.core.s.thumbnail&&this.core.$items.length>1&&(a(window).off("resize.lg.thumb orientationchange.lg.thumb keydown.lg.thumb"),this.$thumbOuter.remove(),this.core.$outer.removeClass("lg-has-thumb"))},a.fn.lightGallery.modules.Thumbnail=c}()});