From d9b059dc01024fb1d096d2b8cd1c041315c6a7ed Mon Sep 17 00:00:00 2001
From: gribse <achille.toupin@gadz.org>
Date: Thu, 17 Apr 2025 21:43:28 +0200
Subject: [PATCH] Add custom figure and gallery shortcodes from liwenyip

---
 layouts/shortcodes/figure.html  | 29 +++++++++++++++++++++++
 layouts/shortcodes/gallery.html | 41 +++++++++++++++++++++++++++++++++
 2 files changed, 70 insertions(+)
 create mode 100644 layouts/shortcodes/figure.html
 create mode 100644 layouts/shortcodes/gallery.html

diff --git a/layouts/shortcodes/figure.html b/layouts/shortcodes/figure.html
new file mode 100644
index 0000000..3676c68
--- /dev/null
+++ b/layouts/shortcodes/figure.html
@@ -0,0 +1,29 @@
+<!--
+Put this file in /layouts/shortcodes/figure.html
+NB this overrides Hugo's built-in "figure" shortcode but is backwards compatible
+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" | relURL }} />{{ end }}
+{{- $.Page.Scratch.Add "figurecount" 1 -}}
+<!-- use either src or link-thumb for thumbnail image -->
+{{- $thumb := .Get "src" | default (printf "%s." (.Get "thumb") | replace (.Get "link") ".") }}
+<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">
+    <div class="img"{{ if .Parent }} style="background-image: url('{{ $thumb | relURL }}');"{{ end }}{{ with .Get "size" }} data-size="{{.}}"{{ end }}>
+      <img itemprop="thumbnail" src="{{ $thumb | relURL }}" {{ with .Get "alt" | default (.Get "caption") }}alt="{{.}}"{{ end }}/><!-- <img> hidden if in .gallery -->
+    </div>
+    {{ with .Get "link" | default (.Get "src") }}<a href="{{ . | relURL }}" itemprop="contentUrl"></a>{{ end }}
+    {{- if or (or (.Get "title") (.Get "caption")) (.Get "attr")}}
+      <figcaption>
+        {{- with .Get "title" }}<h4>{{.}}</h4>{{ end }}
+        {{- if or (.Get "caption") (.Get "attr")}}
+          <p>
+            {{- .Get "caption" -}}
+            {{- with .Get "attrlink"}}<a href="{{.}}">{{ .Get "attr" }}</a>{{ else }}{{ .Get "attr"}}{{ end -}}
+          </p>
+        {{- end }}
+      </figcaption>
+    {{- end }}
+  </figure>
+</div>
diff --git a/layouts/shortcodes/gallery.html b/layouts/shortcodes/gallery.html
new file mode 100644
index 0000000..6c644b9
--- /dev/null
+++ b/layouts/shortcodes/gallery.html
@@ -0,0 +1,41 @@
+<!--
+Put this file in /layouts/shortcodes/gallery.html
+Documentation and licence at https://github.com/liwenyip/hugo-easy-gallery/
+-->
+<!-- count how many times we've called this shortcode; load the css if it's the first time -->
+{{- if not ($.Page.Scratch.Get "figurecount") }}<link rel="stylesheet" href={{ "css/hugo-easy-gallery.css" | relURL }} />{{ 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 include 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|webp|avif|jxl)" }}<!-- 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>