// ------------------------------------------------------------------------------------------------------------------------------- // PHOTOSWIPE

var initPhotoSwipeFromDOM = function(gallerySelector) {

// parse slide data (url, title, size ...) from DOM elements // (children of gallerySelector) var parseThumbnailElements = function(el) { var thumbElements = el.childNodes, numNodes = thumbElements.length, items = [], figureEl, linkEl, size, item;

for(var i = 0; i element

// include only element nodes if(figureEl.nodeType !== 1) { continue; }

linkEl = figureEl.children[0]; // element

size = linkEl.getAttribute('data-size').split('x');

// create slide object item = { src: linkEl.getAttribute('href'), w: parseInt(size[0], 10), h: parseInt(size[1], 10) };

if(figureEl.children.length > 1) { //

if(linkEl.children.length > 0) { // thumbnail element, retrieving thumbnail url item.msrc = linkEl.children[0].getAttribute('src'); }

item.el = figureEl; // save link to element for getThumbBoundsFn items.push(item); }

return items; };

// find nearest parent element var closest = function closest(el, fn) { return el && ( fn(el) ? el : closest(el.parentNode, fn) ); };

// triggers when user clicks on thumbnail var onThumbnailsClick = function(e) { e = e || window.event; e.preventDefault ? e.preventDefault() : e.returnValue = false;

var eTarget = e.target || e.srcElement;

// find root element of slide var clickedListItem = closest(eTarget, function(el) { return (el.tagName && el.tagName.toUpperCase() === 'FIGURE'); });

if(!clickedListItem) { return; }

// find index of clicked item by looping through all child nodes // alternatively, you may define index via data- attribute var clickedGallery = clickedListItem.parentNode, childNodes = clickedListItem.parentNode.childNodes, numChildNodes = childNodes.length, nodeIndex = 0, index;

for (var i = 0; i = 0) { // open PhotoSwipe if valid index found openPhotoSwipe( index, clickedGallery ); } return false; };

// parse picture index and gallery index from URL (#&pid=1&gid=2) var photoswipeParseHash = function() { var hash = window.location.hash.substring(1), params = {};

if(hash.length getThumbBoundsFn section of documentation for more info var thumbnail = items[index].el.getElementsByTagName('img')[0], // find thumbnail pageYScroll = window.pageYOffset || document.documentElement.scrollTop, rect = thumbnail.getBoundingClientRect();

return {x:rect.left, y:rect.top + pageYScroll, w:rect.width}; }

};

// PhotoSwipe opened from URL if(fromURL) { if(options.galleryPIDs) { // parse real index when custom PIDs are used // http://photoswipe.com/documentation/faq.html#custom-pid-in-url for(var j = 0; j