(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:500,fitImagesInViewport:true,positionFromTop:50,resizeDuration:700,showImageNumberLabel:true,wrapAround:false};Lightbox.prototype.option=function(options){$.extend(this.options,options);};Lightbox.prototype.imageCountLabel=function(currentImageNum,totalImages){return this.options.albumLabel.replace(/%1/g,currentImageNum).replace(/%2/g,totalImages);};Lightbox.prototype.init=function(){this.enable();this.build();};Lightbox.prototype.enable=function(){var self=this;$('body').on('click','a[rel^=lightbox], area[rel^=lightbox], a[data-lightbox], area[data-lightbox]',function(event){self.start($(event.currentTarget));return false;});};Lightbox.prototype.build=function(){var self=this;$('<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.$lightbox.find('.lb-container');this.containerTopPadding=parseInt(this.$container.css('padding-top'),10);this.containerRightPadding=parseInt(this.$container.css('padding-right'),10);this.containerBottomPadding=parseInt(this.$container.css('padding-bottom'),10);this.containerLeftPadding=parseInt(this.$container.css('padding-left'),10);this.$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.$lightbox.find('.lb-loader, .lb-close').on('click',function(){self.end();return false;});};Lightbox.prototype.start=function($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({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);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('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.containerLeftPadding-self.containerRightPadding-20;maxImageHeight=windowHeight-self.containerTopPadding-self.containerBottomPadding-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.$overlay.width($(window).width()).height($(document).height());};Lightbox.prototype.sizeContainer=function(imageWidth,imageHeight){var self=this;var oldWidth=this.$outerContainer.outerWidth();var oldHeight=this.$outerContainer.outerHeight();var newWidth=imageWidth+this.containerLeftPadding+this.containerRightPadding;var newHeight=imageHeight+this.containerTopPadding+this.containerBottomPadding;function postResize(){self.$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.$lightbox.find('.lb-image').fadeIn('slow');this.updateNav();this.updateDetails();this.preloadNeighboringImages();this.enableKeyboardNav();};Lightbox.prototype.updateNav=function(){var alwaysShowNav=false;try{document.createEvent('TouchEvent');alwaysShowNav=(this.options.alwaysShowNavOnTouchDevices)?true:false;}catch(e){}this.$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!==''){this.$lightbox.find('.lb-caption').html(this.album[this.currentImageIndex].title).fadeIn('fast').find('a').on('click',function(event){if($(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'});};return new Lightbox();}));