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Generate galleries from image directories

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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 2017-04-03 00:50:26 -07:00
parent 2a110c80e5
commit 0c1692e722
4 changed files with 134 additions and 40 deletions
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48
layouts/shortcodes/figure.html
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@ -4,48 +4,26 @@ NB this overrides Hugo's built-in "figure" shortcode but is backwards compatible
Documentation and licence at https://github.com/liwenyip/hugo-easy-gallery/ Documentation and licence at https://github.com/liwenyip/hugo-easy-gallery/
--> -->
<!-- count how many times we've called this shortcode; load the css if it's the first time --> <!-- count how many times we've called this shortcode; load the css if it's the first time -->
{{ if not ($.Page.Scratch.Get "figurecount") }} {{- if not ($.Page.Scratch.Get "figurecount") }}<link rel="stylesheet" href="/css/hugo-easy-gallery.css" />{{ end }}
<link rel="stylesheet" href="/css/hugo-easy-gallery.css" /> {{- $.Page.Scratch.Add "figurecount" 1 -}}
{{ end }}
{{ $.Page.Scratch.Add "figurecount" 1 }}
<!-- use either src or link-thumb for thumbnail image --> <!-- use either src or link-thumb for thumbnail image -->
{{ with .Get "src" }} {{- $thumb := .Get "src" | default (printf "%s." (.Get "thumb") | replace (.Get "link") ".") }}
{{ $.Scratch.Add "thumb" . }}
{{ else }}
{{ $.Scratch.Add "thumb" (printf "%s." (.Get "thumb") | replace (.Get "link") ".") }}
{{ end }}
<!-- use either link or src for linked image -->
{{ with .Get "link" }}
{{ $.Scratch.Add "link" . }}
{{ else }}
{{ $.Scratch.Add "link" (.Get "src") }}
{{ end }}
<!-- use either alt or caption for image alt -->
{{ with .Get "alt" }}
{{ $.Scratch.Add "alt" .}}
{{else}}
{{ with .Get "caption" }}
{{ $.Scratch.Add "alt" .}}
{{ end }}
{{ end }}
<style>.gallery .img{{$.Page.Scratch.Get "figurecount"}} {background-image: url('{{ $.Scratch.Get "thumb" }}');}</style>
<!-- ^background image is applied this way to ensure it is only shown when inside a .gallery -->
<div class="box{{ with .Get "caption-position" }} fancy-figure caption-position-{{.}}{{end}}{{ with .Get "caption-effect" }} caption-effect-{{.}}{{end}}" {{ with .Get "width" }}style="max-width:{{.}}"{{end}}> <div class="box{{ with .Get "caption-position" }} fancy-figure caption-position-{{.}}{{end}}{{ with .Get "caption-effect" }} caption-effect-{{.}}{{end}}" {{ with .Get "width" }}style="max-width:{{.}}"{{end}}>
<figure {{ with .Get "class" }}class="{{.}}"{{ end }} itemprop="associatedMedia" itemscope itemtype="http://schema.org/ImageObject"> <figure {{ with .Get "class" }}class="{{.}}"{{ end }} itemprop="associatedMedia" itemscope itemtype="http://schema.org/ImageObject">
<div class="img img{{$.Page.Scratch.Get "figurecount"}}" {{ with .Get "size" }}data-size="{{.}}"{{ end }} > <div class="img"{{ if .Parent }} style="background-image: url('{{ $thumb }}');"{{ end }}{{ with .Get "size" }} data-size="{{.}}"{{ end }}>
<img itemprop="thumbnail" src="{{ $.Scratch.Get "thumb" }}" {{ with $.Scratch.Get "alt" }}alt="{{.}}"{{ end }}/><!-- <img> hidden if in .gallery --> <img itemprop="thumbnail" src="{{ $thumb }}" {{ with .Get "alt" | default (.Get "caption") }}alt="{{.}}"{{ end }}/><!-- <img> hidden if in .gallery -->
</div> </div>
{{ if or (or (.Get "title") (.Get "caption")) (.Get "attr")}} {{- if or (or (.Get "title") (.Get "caption")) (.Get "attr")}}
<figcaption> <figcaption>
{{ with .Get "title" }}<h4>{{.}}</h4>{{ end }} {{- with .Get "title" }}<h4>{{.}}</h4>{{ end }}
{{ if or (.Get "caption") (.Get "attr")}} {{- if or (.Get "caption") (.Get "attr")}}
<p> <p>
{{ .Get "caption" }} {{- .Get "caption" -}}
{{ with .Get "attrlink"}}<a href="{{.}}">{{ .Get "attr" }}</a>{{ else }}{{ .Get "attr"}}{{ end }} {{- with .Get "attrlink"}}<a href="{{.}}">{{ .Get "attr" }}</a>{{ else }}{{ .Get "attr"}}{{ end -}}
</p> </p>
{{ end }} {{- end }}
</figcaption> </figcaption>
{{ end }} {{- end }}
{{ with $.Scratch.Get "link" }}<a href="{{.}}" itemprop="contentUrl"></a>{{ end }}<!-- put <a> last so it is stacked on top --> {{ with .Get "link" | default (.Get "src") }}<a href="{{.}}" itemprop="contentUrl"></a>{{ end }}<!-- put <a> last so it is stacked on top -->
</figure> </figure>
</div> </div>

37
layouts/shortcodes/gallery.html
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@ -2,6 +2,39 @@
Put this file in /layouts/shortcodes/gallery.html Put this file in /layouts/shortcodes/gallery.html
Documentation and licence at https://github.com/liwenyip/hugo-easy-gallery/ Documentation and licence at https://github.com/liwenyip/hugo-easy-gallery/
--> -->
<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"> <!-- count how many times we've called this shortcode; load the css if it's the first time -->
{{ .Inner }} {{- if not ($.Page.Scratch.Get "figurecount") }}<link rel="stylesheet" href="/css/hugo-easy-gallery.css" />{{ end }}
{{- $.Page.Scratch.Add "figurecount" 1 }}
<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">
{{- with (.Get "dir") -}}
<!-- If a directory was specified, generate figures for all of the images in the directory -->
{{- $files := readDir (print "/static/" .) }}
{{- range $files -}}
<!-- skip files that aren't images, or that inlcude the thumb suffix in their name -->
{{- $thumbext := $.Get "thumb" | default "-thumb" }}
{{- $isthumb := .Name | findRE ($thumbext | printf "%s\\.") }}<!-- is the current file a thumbnail image? -->
{{- $isimg := lower .Name | findRE "\\.(gif|jpg|jpeg|tiff|png|bmp)" }}<!-- is the current file an image? -->
{{- if and $isimg (not $isthumb) }}
{{- $caption := .Name | replaceRE "\\..*" "" | humanize }}<!-- humanized filename without extension -->
{{- $linkURL := print ($.Get "dir") "/" .Name | absURL }}<!-- absolute URL to hi-res image -->
{{- $thumb := .Name | replaceRE "(\\.)" ($thumbext | printf "%s.") }}<!-- filename of thumbnail image -->
{{- $thumbexists := where $files "Name" $thumb }}<!-- does a thumbnail image exist? -->
{{- $thumbURL := print ($.Get "dir") "/" $thumb | absURL }}<!-- absolute URL to thumbnail image -->
<div class="box">
<figure itemprop="associatedMedia" itemscope itemtype="http://schema.org/ImageObject">
<div class="img" style="background-image: url('{{ if $thumbexists }}{{ $thumbURL }}{{ else }}{{ $linkURL }}{{ end }}');" >
<img itemprop="thumbnail" src="{{ if $thumbexists }}{{ $thumbURL }}{{ else }}{{ $linkURL }}{{ end }}" alt="{{ $caption }}" /><!-- <img> hidden if in .gallery -->
</div>
<figcaption>
<p>{{ $caption }}</p>
</figcaption>
<a href="{{ $linkURL }}" itemprop="contentUrl"></a><!-- put <a> last so it is stacked on top -->
</figure>
</div>
{{- end }}
{{- end }}
{{- else -}}
<!-- If no directory was specified, include any figure shortcodes called within the gallery -->
{{ .Inner }}
{{- end }}
</div> </div>

75
layouts/shortcodes/load-photoswipe-theme.html Normal file
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@ -0,0 +1,75 @@
<!--
Put this file in /layouts/shortcodes/load-photoswipe.html
Documentation and licence at https://github.com/liwenyip/hugo-easy-gallery/
-->
<!-- prevent this shortcode from being loaded more than once per page -->
{{ if not ($.Page.Scratch.Get "photoswipeloaded") }}
{{ $.Page.Scratch.Set "photoswipeloaded" 1 }}
<!--
*** jQuery must be loaded before load-photoswipe.js ***
- If your template already loads jQuery in the header then you don't need to load it again here.
- If your template already loads jQuery in the footer, then you could load load-photoswipe.js from the footer instead
-->
<!-- these files are loaded in the theme footer
<script src="https://code.jquery.com/jquery-1.12.4.min.js" integrity="sha256-ZosEbRLbNQzLpnKIkEdrPv7lOy9C27hHQ+Xp8a4MxAQ=" crossorigin="anonymous"></script>
<script src="/js/load-photoswipe.js"></script>
-->
<!-- Photoswipe css/js libraries -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/photoswipe.min.css" integrity="sha256-sCl5PUOGMLfFYctzDW3MtRib0ctyUvI9Qsmq2wXOeBY=" crossorigin="anonymous" />
<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" />
<!-- these files are loaded in the theme footer
<script src="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/photoswipe.min.js" integrity="sha256-UplRCs9v4KXVJvVY+p+RSo5Q4ilAUXh7kpjyIP5odyc=" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/photoswipe-ui-default.min.js" integrity="sha256-PWHOlUzc96pMc8ThwRIXPn8yH4NOLu42RQ0b9SpnpFk=" crossorigin="anonymous"></script>
-->
<!-- 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 of them 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 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>
{{ end }}

12
layouts/shortcodes/load-photoswipe.html
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@ -7,11 +7,19 @@ Documentation and licence at https://github.com/liwenyip/hugo-easy-gallery/
{{ if not ($.Page.Scratch.Get "photoswipeloaded") }} {{ if not ($.Page.Scratch.Get "photoswipeloaded") }}
{{ $.Page.Scratch.Set "photoswipeloaded" 1 }} {{ $.Page.Scratch.Set "photoswipeloaded" 1 }}
<!-- NB jQuery and Photoswipe js is loaded in /layouts/partials/footer.html --> <!--
*** jQuery must be loaded before load-photoswipe.js ***
- If your template already loads jQuery in the header then you don't need to load it again here.
- If your template already loads jQuery in the footer, then you could load load-photoswipe.js from the footer instead
-->
<script src="https://code.jquery.com/jquery-1.12.4.min.js" integrity="sha256-ZosEbRLbNQzLpnKIkEdrPv7lOy9C27hHQ+Xp8a4MxAQ=" crossorigin="anonymous"></script>
<script src="/js/load-photoswipe.js"></script>
<!-- Photoswipe css libraries --> <!-- Photoswipe css/js libraries -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/photoswipe.min.css" integrity="sha256-sCl5PUOGMLfFYctzDW3MtRib0ctyUvI9Qsmq2wXOeBY=" crossorigin="anonymous" /> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/photoswipe.min.css" integrity="sha256-sCl5PUOGMLfFYctzDW3MtRib0ctyUvI9Qsmq2wXOeBY=" crossorigin="anonymous" />
<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" /> <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" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/photoswipe.min.js" integrity="sha256-UplRCs9v4KXVJvVY+p+RSo5Q4ilAUXh7kpjyIP5odyc=" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/photoswipe-ui-default.min.js" integrity="sha256-PWHOlUzc96pMc8ThwRIXPn8yH4NOLu42RQ0b9SpnpFk=" crossorigin="anonymous"></script>
<!-- Root element of PhotoSwipe. Must have class pswp. --> <!-- Root element of PhotoSwipe. Must have class pswp. -->
<div class="pswp" tabindex="-1" role="dialog" aria-hidden="true"> <div class="pswp" tabindex="-1" role="dialog" aria-hidden="true">