Alexey Boroda / kristal-estet

  <?php
      /**
       * @var View    $this
       * @var Image[] $images
       */
      
      use artbox\core\helpers\ImageHelper;
      use artbox\core\models\Image;
      use modernkernel\photoswipe\PhotoswipeAsset;
      use yii\web\View;
      
      PhotoswipeAsset::register($this);
  
  ?>
  

  <div id="content">

      <div class="container">
          <div class="row">
              <div class="my-gallery" itemscope itemtype="http://schema.org/ImageGallery">
                  <?php foreach ($images as $image) {
                      if (file_exists(\Yii::getAlias('@storage/' . $image->id . '_' . $image->fileHash . '.' . $image->extension))) {
                          ?>
                          <figure class="reviews_gallery">
                              <a href="<?= $image->getUrl() ?>" itemprop="contentUrl" data-size="<?= getimagesize(
                                  $image->getPath()
                              )[ 0 ] . 'x' . getimagesize(
                                  $image->getPath()
                              )[ 1 ] ?>">
                                  <img src="<?= ImageHelper::set($image->getPath())
                                      ->cropResize(500, 325)
                                      ->render() ?>" itemprop="thumbnail" alt=""/>
                              </a>
                          </figure>
                          <?php
                      }
                  }
                  ?>

              </div>
          </div>
      </div>

  </div>
  
  <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 of them in the 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 http://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>
  
  <script>
      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('.my-gallery');
  </script>