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              <h2>Inline PhotoSwipe gallery example</h2>
<div class="gallery-container">
  
  <div class="my-simple-gallery" itemscope itemtype="http://schema.org/ImageGallery">

    <figure itemprop="associatedMedia" itemscope itemtype="http://schema.org/ImageObject">
      <a href="https://farm3.staticflickr.com/2567/5697107145_a4c2eaa0cd_o.jpg" itemprop="contentUrl" data-size="1024x1024">
          <img src="https://farm3.staticflickr.com/2567/5697107145_3c27ff3cd1_m.jpg" itemprop="thumbnail" alt="Image description" />
      </a>
                                          <figcaption itemprop="caption description">Image caption  1</figcaption>
                                          
    </figure>

    <figure itemprop="associatedMedia" itemscope itemtype="http://schema.org/ImageObject">
      <a href="https://farm2.staticflickr.com/1043/5186867718_06b2e9e551_b.jpg" itemprop="contentUrl" data-size="964x1024">
          <img src="https://farm2.staticflickr.com/1043/5186867718_06b2e9e551_m.jpg" itemprop="thumbnail" alt="Image description" />
      </a>
      <figcaption itemprop="caption description">Image caption 2</figcaption>
    </figure>

    <figure itemprop="associatedMedia" itemscope itemtype="http://schema.org/ImageObject">
      <a href="https://farm7.staticflickr.com/6175/6176698785_7dee72237e_b.jpg" itemprop="contentUrl" data-size="1024x683">
          <img src="https://farm7.staticflickr.com/6175/6176698785_7dee72237e_m.jpg" itemprop="thumbnail" alt="Image description" />
      </a>
      <figcaption itemprop="caption description">Image caption 3</figcaption>
    </figure>

    <figure itemprop="associatedMedia" itemscope itemtype="http://schema.org/ImageObject">
      <a href="https://farm6.staticflickr.com/5023/5578283926_822e5e5791_b.jpg" itemprop="contentUrl" data-size="1024x768">
          <img src="https://farm6.staticflickr.com/5023/5578283926_822e5e5791_m.jpg" itemprop="thumbnail" alt="Image description" />
      </a>
      <figcaption itemprop="caption description">Image caption 4</figcaption>
    </figure>


  </div>
  
  <!-- Root element of PhotoSwipe. Must have class pswp. -->
<div class="pswp" tabindex="-1" role="dialog" aria-hidden="true">

    <!-- Background of PhotoSwipe. 
         It's a separate element, as animating opacity is faster than rgba(). -->
    <div class="pswp__bg"></div>

    <!-- Slides wrapper with overflow:hidden. -->
    <div class="pswp__scroll-wrap">

        <!-- Container that holds slides. PhotoSwipe keeps only 3 slides in DOM to save memory. -->
        <!-- don't modify these 3 pswp__item elements, data is added later on. -->
        <div class="pswp__container">
            <div class="pswp__item"></div>
            <div class="pswp__item"></div>
            <div class="pswp__item"></div>
        </div>

        <!-- Default (PhotoSwipeUI_Default) interface on top of sliding area. Can be changed. -->
        <div class="pswp__ui pswp__ui--hidden">

            <div class="pswp__top-bar">

                <!--  Controls are self-explanatory. Order can be changed. -->

                <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>

                <!-- Preloader demo https://codepen.io/dimsemenov/pen/yyBWoR -->
                <!-- element will get class pswp__preloader--active when preloader is running -->
                <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>
  
</div>
  
<p style="width:300px;">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Cupiditate assumenda odio optio omnis aliquid voluptatem, voluptatum impedit eos officiis consequuntur esse fugit illum nemo, deserunt, quisquam hic, sit tenetur quod? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Cupiditate assumenda odio optio omnis aliquid voluptatem, voluptatum impedit eos officiis consequuntur esse fugit illum nemo, deserunt, quisquam hic, sit tenetur quod? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Cupiditate assumenda odio optio omnis aliquid voluptatem, voluptatum impedit eos officiis consequuntur esse fugit illum nemo, deserunt, quisquam hic, sit tenetur quod? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Cupiditate assumenda odio optio omnis aliquid voluptatem, voluptatum impedit eos officiis consequuntur esse fugit illum nemo, deserunt, quisquam hic, sit tenetur quod? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Cupiditate assumenda odio optio omnis aliquid voluptatem, voluptatum impedit eos officiis consequuntur esse fugit illum nemo, deserunt, quisquam hic, sit tenetur quod? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Cupiditate assumenda odio optio omnis aliquid voluptatem, voluptatum impedit eos officiis consequuntur esse fugit illum nemo, deserunt, quisquam hic, sit tenetur quod? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Cupiditate assumenda odio optio omnis aliquid voluptatem, voluptatum impedit eos officiis consequuntur esse fugit illum nemo, deserunt, quisquam hic, sit tenetur quod? Lorem ipsum dolor sit amet, consectetur adipisicing elit. Cupiditate assumenda odio optio omnis aliquid voluptatem, voluptatum impedit eos officiis consequuntur esse fugit illum nemo, deserunt, quisquam hic, sit tenetur quod?</p>
  





            
          
!
            
              .gallery-container {
  position:relative;
  background:#bbb;
  width:400px;
  height:300px;
}
.my-simple-gallery {
  width: 100%;
  float: left;
}
.my-simple-gallery img {
  width: 100%;
  height: auto;
}
.my-simple-gallery figure {
  display: block;
  float: left;
  margin: 0 5px 5px 0;
  width: 150px;
}
.my-simple-gallery figcaption {
  display: none;
}
            
          
!
            
              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,
	        childElements,
	        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;

	    var clickedListItem = closest(eTarget, function(el) {
	        return (el.tagName && el.tagName.toUpperCase() === 'FIGURE');
	    });

	    if(!clickedListItem) {
	        return;
	    }


	    // find index of clicked item
	    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) {
	        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);
	    }

	    if(!params.hasOwnProperty('pid')) {
	        return params;
	    }
	    params.pid = parseInt(params.pid, 10);
	    return params;
	};

	var openPhotoSwipe = function(index, galleryElement, disableAnimation) {
	    var pswpElement = document.querySelectorAll('.pswp')[0],
	        gallery,
	        options,
	        items;

		items = parseThumbnailElements(galleryElement);

	    // define options (if needed)
	    options = {
	        index: index,

			// define gallery index (for URL)
	        galleryUID: galleryElement.getAttribute('data-pswp-uid'),

	        getThumbBoundsFn: function(index) {
	            // See Options -> getThumbBoundsFn section of docs for more info
	            var thumbnail = items[index].el.getElementsByTagName('img')[0], // find thumbnail
	                pageYScroll = window.pageYOffset || document.documentElement.scrollTop,
	                boundingRect = thumbnail.getBoundingClientRect(); 
            
              var rect = {x:boundingRect.left, y:boundingRect.top + pageYScroll, w:boundingRect.width};
              var templateBounds = pswpElement.parentElement.getBoundingClientRect();
              rect.x -= templateBounds.left;
              rect.y -= templateBounds.top;
            

	            return rect;
	        },

	        // history & focus options are disabled on CodePen
           	// remove these lines in real life: 
		   history: false,
		   focus: false,
        
       modal:false,
       closeOnScroll:false

	    };

	    if(disableAnimation) {
	        options.showAnimationDuration = 0;
	    }

	    // Pass data to PhotoSwipe and initialize it
	    gallery = new PhotoSwipe( pswpElement, PhotoSwipeUI_Default, items, options);
    	gallery.listen('updateScrollOffset', function(_offset) {
          var r = pswpElement.getBoundingClientRect();
          _offset.x += r.left;
          _offset.y += r.top;
      });
	    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 > 0 && hashData.gid > 0) {
		openPhotoSwipe( hashData.pid - 1 ,  galleryElements[ hashData.gid - 1 ], true );
	}
};

// execute above function
initPhotoSwipeFromDOM('.my-simple-gallery');
            
          
!
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