42 lines
2.7 KiB
HTML
42 lines
2.7 KiB
HTML
<!--
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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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<!-- 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" | absURL }}" />{{ end }}
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{{- $.Page.Scratch.Add "figurecount" 1 }}
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{{ $baseURL := .Site.BaseURL }}
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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 $baseURL ($.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 $baseURL ($.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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