https://www.setym.com/wp-content/cache/min/1/wp-content/themes/set…/lightbox/src/js/lightbox.js?ver=1791386733

1/*!
2 * Lightbox v2.11.4
3 * by Lokesh Dhakar
4 *
5 * More info:
6 * http://lokeshdhakar.com/projects/lightbox2/
7 *
8 * Copyright Lokesh Dhakar
9 * Released under the MIT license
10 * https://github.com/lokesh/lightbox2/blob/master/LICENSE
11 *
12 * @preserve
13 */
14(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)}
15Lightbox.defaults={albumLabel:'Image %1 of %2',alwaysShowNavOnTouchDevices:!1,fadeDuration:600,fitImagesInViewport:!0,imageFadeDuration:600,positionFromTop:50,resizeDuration:700,showImageNumberLabel:!0,wrapAround:!1,disableScrolling:!1,sanitizeTitle:!1};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!1})};Lightbox.prototype.build=function(){if($('#lightbox').length>0){return}
16var self=this;$('<div id="lightboxOverlay" tabindex="-1" class="lightboxOverlay"></div><div id="lightbox" tabindex="-1" class="lightbox"><div class="lb-outerContainer"><div class="lb-container"><img class="lb-image" src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==" alt=""/><div class="lb-nav"><a class="lb-prev" role="button" tabindex="0" aria-label="Previous image" href="" ></a><a class="lb-next" role="button" tabindex="0" aria-label="Next image" href="" ></a></div><div class="lb-loader"><a class="lb-cancel" role="button" tabindex="0"></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" role="button" tabindex="0"></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!1});this.$lightbox.hide().on('click',function(event){if($(event.target).attr('id')==='lightbox'){self.end()}});this.$outerContainer.on('click',function(event){if($(event.target).attr('id')==='lightbox'){self.end()}
17return!1});this.$lightbox.find('.lb-prev').on('click',function(){if(self.currentImageIndex===0){self.changeImage(self.album.length-1)}else{self.changeImage(self.currentImageIndex-1)}
18return!1});this.$lightbox.find('.lb-next').on('click',function(){if(self.currentImageIndex===self.album.length-1){self.changeImage(0)}else{self.changeImage(self.currentImageIndex+1)}
19return!1});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.$lightbox.find('.lb-loader, .lb-close').on('click keyup',function(e){if(e.type==='click'||(e.type==='keyup'&&(e.which===13||e.which===32))){self.end();return!1}})};Lightbox.prototype.start=function($link){var self=this;var $window=$(window);$window.on('resize',$.proxy(this.sizeOverlay,this));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')}

19)}
20var 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}}}}
21var top=$window.scrollTop()+this.options.positionFromTop;var left=$window.scrollLeft();this.$lightbox.css({top:top+'px',left:left+'px'}).fadeIn(this.options.fadeDuration);if(this.options.disableScrolling){$('body').addClass('lb-disable-scrolling')}
22this.changeImage(imageNumber)};Lightbox.prototype.changeImage=function(imageNumber){var self=this;var filename=this.album[imageNumber].link;var filetype=filename.split('.').slice(-1)[0];var $image=this.$lightbox.find('.lb-image');this.disableKeyboardNav();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':filename});$preloader=$(preloader);$image.width(preloader.width);$image.height(preloader.height);var aspectRatio=preloader.width/preloader.height;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-self.options.positionFromTop-70;if(filetype==='svg'){if(aspectRatio>=1){imageWidth=maxImageWidth;imageHeight=parseInt(maxImageWidth/aspectRatio,10)}else{imageWidth=parseInt(maxImageHeight/aspectRatio,10);imageHeight=maxImageHeight}
23$image.width(imageWidth);$image.height(imageHeight)}else{if(self.options.fitImagesInViewport){if(self.options.maxWidth&&self.options.maxWidth<maxImageWidth){maxImageWidth=self.options.maxWidth}
24if(self.options.maxHeight&&self.options.maxHeight<maxImageHeight){maxImageHeight=self.options.maxHeight}}else{maxImageWidth=self.options.maxWidth||preloader.width||maxImageWidth;maxImageHeight=self.options.maxHeight||preloader.height||maxImageHeight}
25if((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)}}}
26self.sizeContainer($image.width(),$image.height())};preloader.src=this.album[imageNumber].link;this.currentImageIndex=imageNumber};Lightbox.prototype.sizeOverlay=function(){var self=this;setTimeout(function(){self.$overlay.width($(document).width()).height($(document).height())},0)};Lightbox.prototype.sizeContainer=function(imageWidth,imageHeight){var self=this;var oldWidth=this.$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.$overlay.trigger('focus');self.showImage()}
27if(oldWidth!==newWidth||oldHeight!==newHeight){this.$outerContainer.animate({width:newWidth,height:newHeight},this.options.resizeDuration,'swing',function(){postResize()})}else{postResize()}};Lightbox.prototype.showImage=function(){this.$lightbox.find('.lb-loader').stop(!0).hide();this.$lightbox.find('.lb-image').fadeIn(this.options.imageFadeDuration);this.updateNav();this.updateDetails();this.preloadNeighboringImages();this.enableKeyboardNav()};Lightbox.prototype.updateNav=function(){var alwaysShowNav=!1;try{document.createEvent('TouchEvent');alwaysShowNav=(this.options.alwaysShowNavOnTouchDevices)?!0:!1}catch(e){}
28this.$lightbox.find('.lb-nav').show();if(this.album.length>1){if(this.options.wrapAround){if(alwaysShowNav){this.$lightbox.find('.lb-prev, .lb-next').css('opacity','1')}
29this.$lightbox.find('.lb-prev, .lb-next').show()}else{if(this.currentImageIndex>0){this.$lightbox.find('.lb-prev').show();if(alwaysShowNav){this.$lightbox.find('.lb-prev').css('opacity','1')}}
30if(this.currentImageIndex<this.album.length-1){this.$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)}
31$caption.fadeIn('fast')}
32if(this.album.length>1&&this.options.showImageNumberLabel){var labelText=this.imageCountLabel(this.currentImageIndex+1,this.album.length);this.$lightbox.find('.lb-number').text(labelText).fadeIn('fast')}else{this.$lightbox.find('.lb-number').hide()}
33this.$outerContainer.removeClass('animating');this.$lightbox.find('.lb-dataContainer').fadeIn(this.options.resizeDuration,function(){return self.sizeOverlay()})};Lightbox.prototype.preloadNeighboringImages=function(){if(this.album.length>this.currentImageIndex+1){var preloadNext=new Image();preloadNext.src=this.album[this.currentImageIndex+1].link}
34if(this.currentImageIndex>0){var preloadPrev=new Image();preloadPrev.src=this.album[this.currentImageIndex-1].link}};Lightbox.prototype.enableKeyboardNav=function(){this.$lightbox.on('keyup.keyboard',$.proxy(this.keyboardAction,this));this.$overlay.on('keyup.keyboard',$.proxy(this.keyboardAction,this))};Lightbox.prototype.disableKeyboardNav=function(){this.$lightbox.off('.keyboard');this.$overlay.off('.keyboard')};Lightbox.prototype.keyboardAction=function(event){var KEYCODE_ESC=27;var KEYCODE_LEFTARROW=37;var KEYCODE_RIGHTARROW=39;var keycode=event.keyCode;if(keycode===KEYCODE_ESC){event.stopPropagation();this.end()}else if(keycode===KEYCODE_LEFTARROW){if(this.currentImageIndex!==0){this.changeImage(this.currentImageIndex-1)}else if(this.options.wrapAround&&this.album.length>1){this.changeImage(this.album.length-1)}}else if(keycode===KEYCODE_RIGHTARROW){if(this.currentImageIndex!==this.album.length-1){this.changeImage(this.currentImageIndex+1)}else if(this.options.wrapAround&&this.album.length>1){this.changeImage(0)}}};Lightbox.prototype.end=function(){this.disableKeyboardNav();$(window).off('resize',this.sizeOverlay);this.$lightbox.fadeOut(this.options.fadeDuration);this.$overlay.fadeOut(this.options.fadeDuration);if(this.options.disableScrolling){$('body').removeClass('lb-disable-scrolling')}};return new Lightbox()}))