(function(root,factory){if(typeof define==="function"&&define.amd){define(["jquery"],factory)}else{if(typeof exports==="object"){module.exports=factory(require("jquery"))}else{root.lightbox=factory(root.jQuery)}}}(this,function($){function Lightbox(options){this.album=[];this.currentImageIndex=void 0;this.init();this.options=$.extend({},this.constructor.defaults);this.option(options)}Lightbox.defaults={albumLabel:"Image %1 of %2",alwaysShowNavOnTouchDevices:false,fadeDuration:600,fitImagesInViewport:true,imageFadeDuration:600,positionFromTop:50,resizeDuration:700,showImageNumberLabel:true,wrapAround:false,disableScrolling:false,sanitizeTitle:false};Lightbox.prototype.option=function(options){$.extend(this.options,options)};Lightbox.prototype.imageCountLabel=function(currentImageNum,totalImages){return this.options.albumLabel.replace(/%1/g,currentImageNum).replace(/%2/g,totalImages)};Lightbox.prototype.init=function(){var self=this;$(document).ready(function(){self.enable();self.build()})};Lightbox.prototype.enable=function(){var self=this;$("body").on("click","a[rel^=lightbox], area[rel^=lightbox], a[data-lightbox], area[data-lightbox]",function(event){self.start($(event.currentTarget));return false})};Lightbox.prototype.build=function(){if($("#lightbox").length>0){return}var self=this;$('<div id="lightboxOverlay" class="lightboxOverlay"></div><div id="lightbox" class="lightbox"><div class="lb-outerContainer"><div class="lb-container"><img class="lb-image" src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==" /><div class="lb-nav"><a class="lb-prev" href="" ></a><a class="lb-next" href="" ></a></div><div class="lb-loader"><a class="lb-cancel"></a></div></div></div><div class="lb-dataContainer"><div class="lb-data"><div class="lb-details"><span class="lb-caption"></span><span class="lb-number"></span></div><div class="lb-closeContainer"><a class="lb-close"></a></div></div></div></div>').appendTo($("body"));this.$lightbox=$("#lightbox");this.$overlay=$("#lightboxOverlay");this.$outerContainer=this.$lightbox.find(".lb-outerContainer");this.$container=this.$lightbox.find(".lb-container");this.$image=this.$lightbox.find(".lb-image");this.$nav=this.$lightbox.find(".lb-nav");this.containerPadding={top:parseInt(this.$container.css("padding-top"),10),right:parseInt(this.$container.css("padding-right"),10),bottom:parseInt(this.$container.css("padding-bottom"),10),left:parseInt(this.$container.css("padding-left"),10)};this.imageBorderWidth={top:parseInt(this.$image.css("border-top-width"),10),right:parseInt(this.$image.css("border-right-width"),10),bottom:parseInt(this.$image.css("border-bottom-width"),10),left:parseInt(this.$image.css("border-left-width"),10)};this.$overlay.hide().on("click",function(){self.end();return false});this.$lightbox.hide().on("click",function(event){if($(event.target).attr("id")==="lightbox"){self.end()}return false});this.$outerContainer.on("click",function(event){if($(event.target).attr("id")==="lightbox"){self.end()}return false});this.$lightbox.find(".lb-prev").on("click",function(){if(self.currentImageIndex===0){self.changeImage(self.album.length-1)}else{self.changeImage(self.currentImageIndex-1)}return false});this.$lightbox.find(".lb-next").on("click",function(){if(self.currentImageIndex===self.album.length-1){self.changeImage(0)}else{self.changeImage(self.currentImageIndex+1)}return false});this.$nav.on("mousedown",function(event){if(event.which===3){self.$nav.css("pointer-events","none");self.$lightbox.one("contextmenu",function(){setTimeout(function(){this.$nav.css("pointer-events","auto")}.bind(self),0)})}});this.$lightbox.find(".lb-loader, .lb-close").on("click",function(){self.end();return false})};Lightbox.prototype.start=function($link){var self=this;var $window=$(window);$window.on("resize",$.proxy(this.sizeOverlay,this));$("select, object, embed").css({visibility:"hidden"});this.sizeOverlay();this.album=[];var imageNumber=0;function addToAlbum($link){self.album.push({alt:$link.attr("data-alt"),link:$link.attr("href"),title:$link.attr("data-title")||$link.attr("title")})}var dataLightboxValue=$link.attr("data-lightbox");var $links;if(dataLightboxValue){$links=$($link.prop("tagName")+'[data-lightbox="'+dataLightboxValue+'"]');for(var i=0;i<$links.length;i=++i){addToAlbum($($links[i]));if($links[i]===$link[0]){imageNumber=i}}}else{if($link.attr("rel")==="lightbox"){addToAlbum($link)}else{$links=$($link.prop("tagName")+'[rel="'+$link.attr("rel")+'"]');for(var j=0;j<$links.length;j=++j){addToAlbum($($links[j]));if($links[j]===$link[0]){imageNumber=j}}}}var top=$window.scrollTop()+this.options.positionFromTop;var left=$window.scrollLeft();this.$lightbox.css({top:top+"px",left:left+"px"}).fadeIn(this.options.fadeDuration);if(this.options.disableScrolling){$("html").addClass("lb-disable-scrolling")}this.changeImage(imageNumber)};Lightbox.prototype.changeImage=function(imageNumber){var self=this;this.disableKeyboardNav();var $image=this.$lightbox.find(".lb-image");
  this.$overlay.fadeIn(this.options.fadeDuration);$(".lb-loader").fadeIn("slow");this.$lightbox.find(".lb-image, .lb-nav, .lb-prev, .lb-next, .lb-dataContainer, .lb-numbers, .lb-caption").hide();this.$outerContainer.addClass("animating");var preloader=new Image();preloader.onload=function(){var $preloader;var imageHeight;var imageWidth;var maxImageHeight;var maxImageWidth;var windowHeight;var windowWidth;$image.attr({"alt":self.album[imageNumber].alt,"src":self.album[imageNumber].link});$preloader=$(preloader);$image.width(preloader.width);$image.height(preloader.height);if(self.options.fitImagesInViewport){windowWidth=$(window).width();windowHeight=$(window).height();maxImageWidth=windowWidth-self.containerPadding.left-self.containerPadding.right-self.imageBorderWidth.left-self.imageBorderWidth.right-20;maxImageHeight=windowHeight-self.containerPadding.top-self.containerPadding.bottom-self.imageBorderWidth.top-self.imageBorderWidth.bottom-120;if(self.options.maxWidth&&self.options.maxWidth<maxImageWidth){maxImageWidth=self.options.maxWidth}if(self.options.maxHeight&&self.options.maxHeight<maxImageWidth){maxImageHeight=self.options.maxHeight}if((preloader.width>maxImageWidth)||(preloader.height>maxImageHeight)){if((preloader.width/maxImageWidth)>(preloader.height/maxImageHeight)){imageWidth=maxImageWidth;imageHeight=parseInt(preloader.height/(preloader.width/imageWidth),10);$image.width(imageWidth);$image.height(imageHeight)}else{imageHeight=maxImageHeight;imageWidth=parseInt(preloader.width/(preloader.height/imageHeight),10);$image.width(imageWidth);$image.height(imageHeight)}}}self.sizeContainer($image.width(),$image.height())};preloader.src=this.album[imageNumber].link;this.currentImageIndex=imageNumber};Lightbox.prototype.sizeOverlay=function(){this.$overlay.width($(document).width()).height($(document).height())};Lightbox.prototype.sizeContainer=function(imageWidth,imageHeight){var self=this;var oldWidth=this.$outerContainer.outerWidth();var oldHeight=this.$outerContainer.outerHeight();var newWidth=imageWidth+this.containerPadding.left+this.containerPadding.right+this.imageBorderWidth.left+this.imageBorderWidth.right;var newHeight=imageHeight+this.containerPadding.top+this.containerPadding.bottom+this.imageBorderWidth.top+this.imageBorderWidth.bottom;function postResize(){self.$lightbox.find(".lb-dataContainer").width(newWidth);self.$lightbox.find(".lb-prevLink").height(newHeight);self.$lightbox.find(".lb-nextLink").height(newHeight);self.showImage()}if(oldWidth!==newWidth||oldHeight!==newHeight){this.$outerContainer.animate({width:newWidth,height:newHeight},this.options.resizeDuration,"swing",function(){postResize()})}else{postResize()}};Lightbox.prototype.showImage=function(){this.$lightbox.find(".lb-loader").stop(true).hide();this.$lightbox.find(".lb-image").fadeIn(this.options.imageFadeDuration);this.updateNav();this.updateDetails();this.preloadNeighboringImages();this.enableKeyboardNav()};Lightbox.prototype.updateNav=function(){var alwaysShowNav=false;try{document.createEvent("TouchEvent");alwaysShowNav=(this.options.alwaysShowNavOnTouchDevices)?true:false}catch(e){}this.$lightbox.find(".lb-nav").show();if(this.album.length>1){if(this.options.wrapAround){if(alwaysShowNav){this.$lightbox.find(".lb-prev, .lb-next").css("opacity","1")}this.$lightbox.find(".lb-prev, .lb-next").show()}else{if(this.currentImageIndex>0){this.$lightbox.find(".lb-prev").show();if(alwaysShowNav){this.$lightbox.find(".lb-prev").css("opacity","1")}}if(this.currentImageIndex<this.album.length-1){this.$lightbox.find(".lb-next").show();if(alwaysShowNav){this.$lightbox.find(".lb-next").css("opacity","1")}}}}};Lightbox.prototype.updateDetails=function(){var self=this;if(typeof this.album[this.currentImageIndex].title!=="undefined"&&this.album[this.currentImageIndex].title!==""){var $caption=this.$lightbox.find(".lb-caption");if(this.options.sanitizeTitle){$caption.text(this.album[this.currentImageIndex].title)}else{$caption.html(this.album[this.currentImageIndex].title)}$caption.fadeIn("fast").find("a").on("click",function(event){if($(this).attr("target")!==undefined){window.open($(this).attr("href"),$(this).attr("target"))}else{location.href=$(this).attr("href")}})}if(this.album.length>1&&this.options.showImageNumberLabel){var labelText=this.imageCountLabel(this.currentImageIndex+1,this.album.length);this.$lightbox.find(".lb-number").text(labelText).fadeIn("fast")}else{this.$lightbox.find(".lb-number").hide()}this.$outerContainer.removeClass("animating");this.$lightbox.find(".lb-dataContainer").fadeIn(this.options.resizeDuration,function(){return self.sizeOverlay()})};Lightbox.prototype.preloadNeighboringImages=function(){if(this.album.length>this.currentImageIndex+1){var preloadNext=new Image();preloadNext.src=this.album[this.currentImageIndex+1].link}if(this.currentImageIndex>0){var preloadPrev=new Image();preloadPrev.src=this.album[this.currentImageIndex-1].link}};Lightbox.prototype.enableKeyboardNav=function(){$(document).on("keyup.keyboard",$.proxy(this.keyboardAction,this))
};Lightbox.prototype.disableKeyboardNav=function(){$(document).off(".keyboard")};Lightbox.prototype.keyboardAction=function(event){var KEYCODE_ESC=27;var KEYCODE_LEFTARROW=37;var KEYCODE_RIGHTARROW=39;var keycode=event.keyCode;var key=String.fromCharCode(keycode).toLowerCase();if(keycode===KEYCODE_ESC||key.match(/x|o|c/)){this.end()}else{if(key==="p"||keycode===KEYCODE_LEFTARROW){if(this.currentImageIndex!==0){this.changeImage(this.currentImageIndex-1)}else{if(this.options.wrapAround&&this.album.length>1){this.changeImage(this.album.length-1)}}}else{if(key==="n"||keycode===KEYCODE_RIGHTARROW){if(this.currentImageIndex!==this.album.length-1){this.changeImage(this.currentImageIndex+1)}else{if(this.options.wrapAround&&this.album.length>1){this.changeImage(0)}}}}}};Lightbox.prototype.end=function(){this.disableKeyboardNav();$(window).off("resize",this.sizeOverlay);this.$lightbox.fadeOut(this.options.fadeDuration);this.$overlay.fadeOut(this.options.fadeDuration);$("select, object, embed").css({visibility:"visible"});if(this.options.disableScrolling){$("html").removeClass("lb-disable-scrolling")}};return new Lightbox()}));