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November 29, 2016 10:02
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<div class="container"> | |
<div class="row"> | |
<div class="col-full col-xs-12 col-sm-12 col-md-12 col-lg-12"> | |
<div class="gallery | js-gallery"> | |
<figure class="gallery__item | js-gallery-item"><a href="http://lorempixel.com/1200/800/sports/1" data-size="1200x800"><img src="http://lorempixel.com/1200/800/sports/1" /></a></figure> | |
<figure class="gallery__item | js-gallery-item"><a href="http://lorempixel.com/1200/800/sports/2" data-size="1200x800"><img src="http://lorempixel.com/1200/800/sports/2" /></a></figure> | |
</div><!-- /.gallery --> | |
<div class="gallery gallery--nav | js-gallery-nav"> | |
<div class="gallery__item gallery__item--nav" style="background-image: url('http://lorempixel.com/300/200/sports/1');"></div><!-- /.gallery__item --> | |
<div class="gallery__item gallery__item--nav" style="background-image: url('http://lorempixel.com/300/200/sports/2');"></div><!-- /.gallery__item --> | |
</div><!-- /.gallery --> | |
</div><!-- /.col-full col-xs-12 col-sm-12 col-md-12 col-lg-12 --> | |
</div><!-- /.row --> | |
</div><!-- /.container --> | |
<div class="pswp" tabindex="-1" role="dialog" aria-hidden="true"> | |
<div class="pswp__bg"></div> | |
<div class="pswp__scroll-wrap"> | |
<div class="pswp__container"> | |
<div class="pswp__item"></div> | |
<div class="pswp__item"></div> | |
<div class="pswp__item"></div> | |
</div> | |
<div class="pswp__ui pswp__ui--hidden"> | |
<div class="pswp__top-bar"> | |
<div class="pswp__counter"></div> | |
<button class="pswp__button pswp__button--close" title="Close (Esc)"></button> | |
<button class="pswp__button pswp__button--share" title="Share"></button> | |
<button class="pswp__button pswp__button--fs" title="Toggle fullscreen"></button> | |
<button class="pswp__button pswp__button--zoom" title="Zoom in/out"></button> | |
<div class="pswp__preloader"> | |
<div class="pswp__preloader__icn"> | |
<div class="pswp__preloader__cut"> | |
<div class="pswp__preloader__donut"></div> | |
</div> | |
</div> | |
</div> | |
</div> | |
<div class="pswp__share-modal pswp__share-modal--hidden pswp__single-tap"> | |
<div class="pswp__share-tooltip"></div> | |
</div> | |
<button class="pswp__button pswp__button--arrow--left" title="Previous (arrow left)"> | |
</button> | |
<button class="pswp__button pswp__button--arrow--right" title="Next (arrow right)"> | |
</button> | |
<div class="pswp__caption"> | |
<div class="pswp__caption__center"></div> | |
</div> | |
</div> | |
</div> | |
</div> |
Package.json
"dependencies": {
"photoswipe": "^4.1.1",
"slick-carousel": "^1.6.0"
}
Photoswipe.js
function 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 < numNodes; i++) {
figureEl = thumbElements[i]; // <figure> element
// include only element nodes
if(figureEl.nodeType !== 1) {
continue;
}
linkEl = figureEl.children[0]; // <a> 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) {
// <figcaption> content
item.title = figureEl.children[1].innerHTML;
}
if(linkEl.children.length > 0) {
// <img> 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 < numChildNodes; i++) {
if(childNodes[i].nodeType !== 1) {
continue;
}
if(childNodes[i] === clickedListItem) {
index = nodeIndex;
break;
}
nodeIndex++;
}
if(index >= 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 < 5) {
return params;
}
var vars = hash.split('&');
for (var i = 0; i < vars.length; i++) {
if(!vars[i]) {
continue;
}
var pair = vars[i].split('=');
if(pair.length < 2) {
continue;
}
params[pair[0]] = pair[1];
}
if(params.gid) {
params.gid = parseInt(params.gid, 10);
}
return params;
};
var openPhotoSwipe = function(index, galleryElement, disableAnimation, fromURL) {
var pswpElement = document.querySelectorAll('.pswp')[0],
gallery,
options,
items;
items = parseThumbnailElements(galleryElement);
// define options (if needed)
options = {
// define gallery index (for URL)
galleryUID: galleryElement.getAttribute('data-pswp-uid'),
getThumbBoundsFn: function(index) {
// See Options -> 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 < items.length; j++) {
if(items[j].pid == index) {
options.index = j;
break;
}
}
} else {
// in URL indexes start from 1
options.index = parseInt(index, 10) - 1;
}
} else {
options.index = parseInt(index, 10);
}
// exit if index not found
if( isNaN(options.index) ) {
return;
}
if(disableAnimation) {
options.showAnimationDuration = 0;
}
// Pass data to PhotoSwipe and initialize it
gallery = new PhotoSwipe( pswpElement, PhotoSwipeUI_Default, items, options);
gallery.init();
};
// loop through all gallery elements and bind events
var galleryElements = document.querySelectorAll( gallerySelector );
for(var i = 0, l = galleryElements.length; i < l; i++) {
galleryElements[i].setAttribute('data-pswp-uid', i+1);
galleryElements[i].onclick = onThumbnailsClick;
}
// Parse URL and open gallery if it contains #&pid=3&gid=1
var hashData = photoswipeParseHash();
if(hashData.pid && hashData.gid) {
openPhotoSwipe( hashData.pid , galleryElements[ hashData.gid - 1 ], true, true );
}
};
// execute above function
initPhotoSwipeFromDOM('.js-gallery');
}
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Main.js