slightbox.min.js

var slightBox={containerClass:"slightbox-container",currClassName:"slightbox-current",overlayID:"slightbox",toNextClass:"slightbox-to-next",toPrevClass:"slightbox-to-prev",closeText:"Close X",closeClass:"slightbox-close",nextText:"Next →",nextClass:"slightbox-next",prevText:"← Prev",prevClass:"slightbox-prev",mainControlsClass:"slightbox-main-controls",captionClass:"slightbox-caption",captionInnerClass:"slightbox-caption-inner",captionToggleClass:"slightbox-caption-toggle",captionToggleText:"Details ↑",
activeCapClass:"slightbox-active",overlayHideClass:"slightbox-hidden",noScrollClass:"slightbox-noscroll",lastFocus:"",b:document.body,scrollCapture:0,removeAClass:function(el,clssNm){el.className=el.className.replace(new RegExp("(^|\\b)"+clssNm.split(" ").join("|")+"(\\b|$)","gi")," ").trim()},openIt:function(el,src,alt,cap,cls){cls=cls||"";if(!document.getElementById(this.overlayID)){var o=document.createElement("FIGURE");o.setAttribute("id",this.overlayID);o.setAttribute("tabindex","0");this.b.appendChild(o)}var overlay=
document.getElementById(this.overlayID);if(this.lastFocus==="")this.lastFocus=document.activeElement;var curr=document.getElementsByClassName(this.currClassName);for(var i=0;i<curr.length;i++)this.removeAClass(curr[i],this.currClassName);el.className+=" "+this.currClassName;var img='<img class="'+cls+'" src="'+src+'" alt="'+alt+'">',caption="",closeButt='<button role="close" class="'+this.closeClass+'">'+this.closeText+"</button>",toggleButt='<button class="'+this.captionToggleClass+'" role="toggle">'+
this.captionToggleText+"</button>",nextButt='<button rel="next" class="'+this.nextClass+'">'+this.nextText+"</button>",prevButt='<button rel="prev" class="'+this.prevClass+'">'+this.prevText+"</button>",mainCtrls='<div class="'+this.mainControlsClass+'">'+nextButt+prevButt+closeButt+"</div>",scrl;if(cap!==""&&cap!==null)caption='<figcaption class="'+this.captionClass+'">'+toggleButt+'<div class="'+this.captionInnerClass+'">'+cap+"</div></figcaption>";overlay.innerHTML=img+caption+mainCtrls;if(this.b.scrollTop>
0)this.scrollCapture=this.b.scrollTop;this.b.className+=" "+this.noScrollClass;var left=(window.innerWidth-parseInt(getComputedStyle(this.b).getPropertyValue("width"),10))/2;this.b.style.top=-this.scrollCapture+"px";this.b.style.left=left+"px";this.removeAClass(overlay,this.overlayHideClass);overlay.setAttribute("tabindex","0");overlay.focus();this.removeAClass(overlay.getElementsByTagName("IMG")[0],cls)},closeIt:function(){document.getElementById(this.overlayID).className+=this.overlayHideClass;
this.removeAClass(this.b,this.noScrollClass);this.b.style.top="";this.b.style.left="";this.b.scrollTop=this.scrollCapture;this.lastFocus.focus();this.lastFocus=""},next:function(){var curr=document.getElementsByClassName(this.currClassName)[0]||document.getElementsByClassName(this.containerClass)[0].getElementsByTagName("IMG")[0];if(!curr.parentNode.nextElementSibling)return false;var nextEl=curr.parentNode.nextElementSibling.getElementsByTagName("IMG")[0];var nextSrc=nextEl.getAttribute("src"),nextAlt=
nextEl.getAttribute("alt"),nextCap=nextEl.getAttribute("title");var pThis=this;this.openIt(nextEl,nextSrc,nextAlt,nextCap,this.toNextClass)},prev:function(){var container=document.getElementsByClassName(this.containerClass)[0],curr=document.getElementsByClassName(this.currClassName)[0]||container.getElementsByTagName("IMG")[container.getElementsByTagName("IMG").length-1];if(!curr.parentNode.previousElementSibling)return false;var prevEl=curr.parentNode.previousElementSibling.getElementsByTagName("IMG")[0];
var prevSrc=prevEl.getAttribute("src"),prevAlt=prevEl.getAttribute("alt"),prevCap=prevEl.getAttribute("title");this.openIt(prevEl,prevSrc,prevAlt,prevCap,"slightbox-to-prev")},bindTouch:function(){var pThis=this,xDown=null,yDown=null;document.addEventListener("touchstart",handleTouchStart,false);document.addEventListener("touchmove",handleTouchMove,false);function handleTouchStart(evt){xDown=evt.touches[0].clientX;yDown=evt.touches[0].clientY}function handleTouchMove(evt){if(!xDown||!yDown)return;
var xUp=evt.touches[0].clientX;var yUp=evt.touches[0].clientY;var xDiff=xDown-xUp;var yDiff=yDown-yUp;if(Math.abs(xDiff)>Math.abs(yDiff))if(xDiff>0)pThis.next();else pThis.prev();else if(yDiff>0);else;xDown=null;yDown=null}},make:function(){var pThis=this,sb=document.getElementsByClassName(this.containerClass);for(var i=0;i<sb.length;i++)sb[i].addEventListener("click",function(e){e.preventDefault();var target=e.target;while(target!=sb[i]){if(target&&target.nodeName=="A"){var img=target.getElementsByTagName("img")[0],
src=img.getAttribute("src")||"",alt=img.getAttribute("alt")||"",cap=img.getAttribute("title")||"";pThis.openIt(img,src,alt,cap)}target=target.parentNode}});this.bindTouch();document.onkeyup=function(e){if(e.keyCode==27||e.keyCode==88)pThis.closeIt();if(e.keyCode==39)pThis.next();if(e.keyCode==37)pThis.prev();if(e.keyCode==38)pThis.toggleCaption(document.getElementById(pThis.overlayID).getElementsByClassName(pThis.captionClass)[0])};this.b.addEventListener("click",function(e){var t=e.target;if(!t)return false;
if(t.className===pThis.closeClass)pThis.closeIt();if(t.className.split(" ")[0]==pThis.captionToggleClass){var tp=t.parentElement;pThis.toggleCaption(tp)}if(t.className===pThis.nextClass)pThis.next();if(t.className===pThis.prevClass)pThis.prev()})},toggleCaption:function(el){if(!el.hasAttribute("data-activated")){el.className+=" "+this.activeCapClass;el.setAttribute("data-activated","true")}else{this.removeAClass(el,this.activeCapClass);el.removeAttribute("data-activated")}}};