Generate galleries from image directories
Update to the latest version of hugo-easy-gallery. Use default functions in shortcodes, surpress newlines, simplify background CSS, and generate galleries from directories. 5c7171497ceca912cc9d61d7340f9b9cdf213f67
This commit is contained in:
Michael Romero
parent
2a110c80e5
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0c1692e722
@ -4,48 +4,26 @@ NB this overrides Hugo's built-in "figure" shortcode but is backwards compatible
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Documentation and licence at https://github.com/liwenyip/hugo-easy-gallery/
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-->
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<!-- count how many times we've called this shortcode; load the css if it's the first time -->
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{{ if not ($.Page.Scratch.Get "figurecount") }}
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<link rel="stylesheet" href="/css/hugo-easy-gallery.css" />
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{{ end }}
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{{ $.Page.Scratch.Add "figurecount" 1 }}
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{{- if not ($.Page.Scratch.Get "figurecount") }}<link rel="stylesheet" href="/css/hugo-easy-gallery.css" />{{ end }}
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{{- $.Page.Scratch.Add "figurecount" 1 -}}
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<!-- use either src or link-thumb for thumbnail image -->
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{{ with .Get "src" }}
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{{ $.Scratch.Add "thumb" . }}
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{{ else }}
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{{ $.Scratch.Add "thumb" (printf "%s." (.Get "thumb") | replace (.Get "link") ".") }}
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{{ end }}
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<!-- use either link or src for linked image -->
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{{ with .Get "link" }}
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{{ $.Scratch.Add "link" . }}
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{{ else }}
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{{ $.Scratch.Add "link" (.Get "src") }}
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{{ end }}
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<!-- use either alt or caption for image alt -->
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{{ with .Get "alt" }}
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{{ $.Scratch.Add "alt" .}}
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{{else}}
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{{ with .Get "caption" }}
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{{ $.Scratch.Add "alt" .}}
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{{ end }}
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{{ end }}
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<style>.gallery .img{{$.Page.Scratch.Get "figurecount"}} {background-image: url('{{ $.Scratch.Get "thumb" }}');}</style>
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<!-- ^background image is applied this way to ensure it is only shown when inside a .gallery -->
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<div class="box {{ with .Get "caption-position" }}fancy-figure caption-position-{{.}}{{end}} {{ with .Get "caption-effect" }}caption-effect-{{.}}{{end}}" {{ with .Get "width" }}style="max-width:{{.}}"{{end}}>
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{{- $thumb := .Get "src" | default (printf "%s." (.Get "thumb") | replace (.Get "link") ".") }}
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<div class="box{{ with .Get "caption-position" }} fancy-figure caption-position-{{.}}{{end}}{{ with .Get "caption-effect" }} caption-effect-{{.}}{{end}}" {{ with .Get "width" }}style="max-width:{{.}}"{{end}}>
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<figure {{ with .Get "class" }}class="{{.}}"{{ end }} itemprop="associatedMedia" itemscope itemtype="http://schema.org/ImageObject">
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<div class="img img{{$.Page.Scratch.Get "figurecount"}}" {{ with .Get "size" }}data-size="{{.}}"{{ end }} >
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<img itemprop="thumbnail" src="{{ $.Scratch.Get "thumb" }}" {{ with $.Scratch.Get "alt" }}alt="{{.}}"{{ end }}/><!-- <img> hidden if in .gallery -->
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<div class="img"{{ if .Parent }} style="background-image: url('{{ $thumb }}');"{{ end }}{{ with .Get "size" }} data-size="{{.}}"{{ end }}>
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<img itemprop="thumbnail" src="{{ $thumb }}" {{ with .Get "alt" | default (.Get "caption") }}alt="{{.}}"{{ end }}/><!-- <img> hidden if in .gallery -->
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</div>
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{{ if or (or (.Get "title") (.Get "caption")) (.Get "attr")}}
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{{- if or (or (.Get "title") (.Get "caption")) (.Get "attr")}}
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<figcaption>
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{{ with .Get "title" }}<h4>{{.}}</h4>{{ end }}
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{{ if or (.Get "caption") (.Get "attr")}}
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{{- with .Get "title" }}<h4>{{.}}</h4>{{ end }}
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{{- if or (.Get "caption") (.Get "attr")}}
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<p>
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{{ .Get "caption" }}
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{{ with .Get "attrlink"}}<a href="{{.}}">{{ .Get "attr" }}</a>{{ else }}{{ .Get "attr"}}{{ end }}
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{{- .Get "caption" -}}
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{{- with .Get "attrlink"}}<a href="{{.}}">{{ .Get "attr" }}</a>{{ else }}{{ .Get "attr"}}{{ end -}}
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</p>
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{{ end }}
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{{- end }}
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</figcaption>
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{{ end }}
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{{ with $.Scratch.Get "link" }}<a href="{{.}}" itemprop="contentUrl"></a>{{ end }}<!-- put <a> last so it is stacked on top -->
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{{- end }}
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{{ with .Get "link" | default (.Get "src") }}<a href="{{.}}" itemprop="contentUrl"></a>{{ end }}<!-- put <a> last so it is stacked on top -->
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</figure>
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</div>
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@ -2,6 +2,39 @@
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Put this file in /layouts/shortcodes/gallery.html
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Documentation and licence at https://github.com/liwenyip/hugo-easy-gallery/
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-->
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<div class="gallery caption-position-{{ with .Get "caption-position" }}{{.}}{{else}}bottom{{end}} caption-effect-{{ with .Get "caption-effect" }}{{.}}{{else}}slide{{end}} hover-effect-{{ with .Get "hover-effect" }}{{.}}{{else}}zoom{{end}} {{ if ne (.Get "hover-transition") "none" }}hover-transition{{end}}" itemscope itemtype="http://schema.org/ImageGallery">
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{{ .Inner }}
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<!-- count how many times we've called this shortcode; load the css if it's the first time -->
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{{- if not ($.Page.Scratch.Get "figurecount") }}<link rel="stylesheet" href="/css/hugo-easy-gallery.css" />{{ end }}
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{{- $.Page.Scratch.Add "figurecount" 1 }}
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<div class="gallery caption-position-{{ with .Get "caption-position" | default "bottom" }}{{.}}{{end}} caption-effect-{{ with .Get "caption-effect" | default "slide" }}{{.}}{{end}} hover-effect-{{ with .Get "hover-effect" | default "zoom" }}{{.}}{{end}} {{ if ne (.Get "hover-transition") "none" }}hover-transition{{end}}" itemscope itemtype="http://schema.org/ImageGallery">
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{{- with (.Get "dir") -}}
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<!-- If a directory was specified, generate figures for all of the images in the directory -->
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{{- $files := readDir (print "/static/" .) }}
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{{- range $files -}}
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<!-- skip files that aren't images, or that inlcude the thumb suffix in their name -->
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{{- $thumbext := $.Get "thumb" | default "-thumb" }}
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{{- $isthumb := .Name | findRE ($thumbext | printf "%s\\.") }}<!-- is the current file a thumbnail image? -->
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{{- $isimg := lower .Name | findRE "\\.(gif|jpg|jpeg|tiff|png|bmp)" }}<!-- is the current file an image? -->
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{{- if and $isimg (not $isthumb) }}
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{{- $caption := .Name | replaceRE "\\..*" "" | humanize }}<!-- humanized filename without extension -->
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{{- $linkURL := print ($.Get "dir") "/" .Name | absURL }}<!-- absolute URL to hi-res image -->
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{{- $thumb := .Name | replaceRE "(\\.)" ($thumbext | printf "%s.") }}<!-- filename of thumbnail image -->
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{{- $thumbexists := where $files "Name" $thumb }}<!-- does a thumbnail image exist? -->
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{{- $thumbURL := print ($.Get "dir") "/" $thumb | absURL }}<!-- absolute URL to thumbnail image -->
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<div class="box">
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<figure itemprop="associatedMedia" itemscope itemtype="http://schema.org/ImageObject">
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<div class="img" style="background-image: url('{{ if $thumbexists }}{{ $thumbURL }}{{ else }}{{ $linkURL }}{{ end }}');" >
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<img itemprop="thumbnail" src="{{ if $thumbexists }}{{ $thumbURL }}{{ else }}{{ $linkURL }}{{ end }}" alt="{{ $caption }}" /><!-- <img> hidden if in .gallery -->
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</div>
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<figcaption>
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<p>{{ $caption }}</p>
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</figcaption>
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<a href="{{ $linkURL }}" itemprop="contentUrl"></a><!-- put <a> last so it is stacked on top -->
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</figure>
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</div>
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{{- end }}
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{{- end }}
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{{- else -}}
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<!-- If no directory was specified, include any figure shortcodes called within the gallery -->
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{{ .Inner }}
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{{- end }}
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</div>
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75
layouts/shortcodes/load-photoswipe-theme.html
Normal file
75
layouts/shortcodes/load-photoswipe-theme.html
Normal file
@ -0,0 +1,75 @@
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<!--
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Put this file in /layouts/shortcodes/load-photoswipe.html
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Documentation and licence at https://github.com/liwenyip/hugo-easy-gallery/
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-->
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<!-- prevent this shortcode from being loaded more than once per page -->
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{{ if not ($.Page.Scratch.Get "photoswipeloaded") }}
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{{ $.Page.Scratch.Set "photoswipeloaded" 1 }}
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<!--
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*** jQuery must be loaded before load-photoswipe.js ***
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- If your template already loads jQuery in the header then you don't need to load it again here.
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- If your template already loads jQuery in the footer, then you could load load-photoswipe.js from the footer instead
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-->
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<!-- these files are loaded in the theme footer
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<script src="https://code.jquery.com/jquery-1.12.4.min.js" integrity="sha256-ZosEbRLbNQzLpnKIkEdrPv7lOy9C27hHQ+Xp8a4MxAQ=" crossorigin="anonymous"></script>
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<script src="/js/load-photoswipe.js"></script>
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-->
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<!-- Photoswipe css/js libraries -->
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/photoswipe.min.css" integrity="sha256-sCl5PUOGMLfFYctzDW3MtRib0ctyUvI9Qsmq2wXOeBY=" crossorigin="anonymous" />
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/default-skin/default-skin.min.css" integrity="sha256-BFeI1V+Vh1Rk37wswuOYn5lsTcaU96hGaI7OUVCLjPc=" crossorigin="anonymous" />
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<!-- these files are loaded in the theme footer
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<script src="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/photoswipe.min.js" integrity="sha256-UplRCs9v4KXVJvVY+p+RSo5Q4ilAUXh7kpjyIP5odyc=" crossorigin="anonymous"></script>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/photoswipe-ui-default.min.js" integrity="sha256-PWHOlUzc96pMc8ThwRIXPn8yH4NOLu42RQ0b9SpnpFk=" crossorigin="anonymous"></script>
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-->
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<!-- Root element of PhotoSwipe. Must have class pswp. -->
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<div class="pswp" tabindex="-1" role="dialog" aria-hidden="true">
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<!-- Background of PhotoSwipe.
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It's a separate element, as animating opacity is faster than rgba(). -->
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<div class="pswp__bg"></div>
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<!-- Slides wrapper with overflow:hidden. -->
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<div class="pswp__scroll-wrap">
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<!-- Container that holds slides.
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PhotoSwipe keeps only 3 of them in DOM to save memory.
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Don't modify these 3 pswp__item elements, data is added later on. -->
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<div class="pswp__container">
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<div class="pswp__item"></div>
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<div class="pswp__item"></div>
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<div class="pswp__item"></div>
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</div>
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<!-- Default (PhotoSwipeUI_Default) interface on top of sliding area. Can be changed. -->
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<div class="pswp__ui pswp__ui--hidden">
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<div class="pswp__top-bar">
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<!-- Controls are self-explanatory. Order can be changed. -->
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<div class="pswp__counter"></div>
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<button class="pswp__button pswp__button--close" title="Close (Esc)"></button>
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<button class="pswp__button pswp__button--share" title="Share"></button>
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<button class="pswp__button pswp__button--fs" title="Toggle fullscreen"></button>
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<button class="pswp__button pswp__button--zoom" title="Zoom in/out"></button>
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<!-- Preloader demo http://codepen.io/dimsemenov/pen/yyBWoR -->
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<!-- element will get class pswp__preloader--active when preloader is running -->
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<div class="pswp__preloader">
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<div class="pswp__preloader__icn">
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<div class="pswp__preloader__cut">
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<div class="pswp__preloader__donut"></div>
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</div>
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</div>
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</div>
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</div>
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<div class="pswp__share-modal pswp__share-modal--hidden pswp__single-tap">
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<div class="pswp__share-tooltip"></div>
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</div>
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<button class="pswp__button pswp__button--arrow--left" title="Previous (arrow left)">
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</button>
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<button class="pswp__button pswp__button--arrow--right" title="Next (arrow right)">
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</button>
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<div class="pswp__caption">
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<div class="pswp__caption__center"></div>
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</div>
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</div>
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</div>
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</div>
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{{ end }}
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@ -7,11 +7,19 @@ Documentation and licence at https://github.com/liwenyip/hugo-easy-gallery/
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{{ if not ($.Page.Scratch.Get "photoswipeloaded") }}
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{{ $.Page.Scratch.Set "photoswipeloaded" 1 }}
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<!-- NB jQuery and Photoswipe js is loaded in /layouts/partials/footer.html -->
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<!--
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*** jQuery must be loaded before load-photoswipe.js ***
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- If your template already loads jQuery in the header then you don't need to load it again here.
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- If your template already loads jQuery in the footer, then you could load load-photoswipe.js from the footer instead
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-->
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<script src="https://code.jquery.com/jquery-1.12.4.min.js" integrity="sha256-ZosEbRLbNQzLpnKIkEdrPv7lOy9C27hHQ+Xp8a4MxAQ=" crossorigin="anonymous"></script>
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<script src="/js/load-photoswipe.js"></script>
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<!-- Photoswipe css libraries -->
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<!-- Photoswipe css/js libraries -->
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/photoswipe.min.css" integrity="sha256-sCl5PUOGMLfFYctzDW3MtRib0ctyUvI9Qsmq2wXOeBY=" crossorigin="anonymous" />
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/default-skin/default-skin.min.css" integrity="sha256-BFeI1V+Vh1Rk37wswuOYn5lsTcaU96hGaI7OUVCLjPc=" crossorigin="anonymous" />
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<script src="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/photoswipe.min.js" integrity="sha256-UplRCs9v4KXVJvVY+p+RSo5Q4ilAUXh7kpjyIP5odyc=" crossorigin="anonymous"></script>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/photoswipe-ui-default.min.js" integrity="sha256-PWHOlUzc96pMc8ThwRIXPn8yH4NOLu42RQ0b9SpnpFk=" crossorigin="anonymous"></script>
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<!-- Root element of PhotoSwipe. Must have class pswp. -->
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<div class="pswp" tabindex="-1" role="dialog" aria-hidden="true">
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