darkbox.min.js

/**
 * Darkbox - by Roko.CB
 * https://github.com/rokobuljan/Darkbox-Gallery
 */
;(function(){jQuery(function($){var $imagesGroup,n=0,c=0,$prevNext=$("<a id='darkbox_prev'/><a id='darkbox_next'/>").on("touchstart mousedown",function(e){e.preventDefault();e.stopPropagation();var isNext=this.id==="darkbox_next";c=isNext?++c:--c;showImage()}),$darkbox=$("<div/>",{id:"darkbox",append:$prevNext,appendTo:"body"}),$darkboxClose=$("<a/>",{id:"darkbox_close",appendTo:$darkbox,on:{"touchstart mousedown":function(e){e.preventDefault();$darkbox.removeClass("show")}}}),$darkboxDescription=$("<div/>",{id:"darkbox_description",appendTo:$darkbox}),$darkboxStats=$("<div/>",{id:"darkbox_stats",appendTo:$darkbox});function showImage(){c=c<0?n-1:c%n;var doc=document.documentElement,docW=Math.max(doc.clientWidth,window.innerWidth||0),docH=Math.max(doc.clientHeight,window.innerHeight||0),$cur=$imagesGroup.eq(c),description=$cur.data("darkbox-description"),src=$cur.data("darkbox");$darkbox.addClass("show spinner");$darkboxDescription.html(description);$darkboxStats.html(n<2?"":(c+1)+"/"+n);$("<img/>").on("load",function(){var bigger=(this.width>docW||this.height>docH);$darkbox.removeClass("spinner").css({backgroundImage:"url('"+this.src+"')",backgroundSize:bigger?"contain":"auto"})}).attr("src",src)}$(document).on("click","[data-darkbox],[data-darkbox-group]",function(e){var src=$(this).data("darkbox"),isDummy=!src,groupID=$(this).data("darkbox-group");$imagesGroup=!groupID?$(this):$('[data-darkbox-group="'+groupID+'"]').filter("[data-darkbox]");n=$imagesGroup.length;c=isDummy?0:$imagesGroup.index(this);$prevNext.toggle(n>1);$darkbox.css({backgroundImage:"none"});showImage()});$(document).on("keyup",function(e){var k=e.which;if(k===27){$darkbox.removeClass("show")} if(k===37){--c;showImage()} if(k===39){++c;showImage()}})})}());