gcg-website/layouts/shortcodes/gallery.html
2020-09-13 09:59:08 +02:00

42 lines
2.7 KiB
HTML

<!--
Put this file in /layouts/shortcodes/gallery.html
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 -->
{{- if not ($.Page.Scratch.Get "figurecount") }}<link rel="stylesheet" href="/css/hugo-easy-gallery.css" />{{ end }}
{{- $.Page.Scratch.Add "figurecount" 1 }}
{{ $baseURL := .Site.BaseURL }}
<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 $baseURL ($.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 $baseURL ($.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>