{{/* Count number of gallery on page */}}
{{- $.Page.Scratch.Add "gallerycount" 1 -}}
{{- $galno := $.Page.Scratch.Get "gallerycount" -}}
{{/* Load CSS/JS and make sure it is only loaded once */}}
{{- if eq ($.Page.Scratch.Get "gallerycount") 1 -}}
{{- with resources.Get "scss/snap-gallery.scss" | toCSS -}}
{{- end -}}
{{- end -}}
{{/* Initialise index of this gallery */}}
{{/* Initialise variables holding image paths and extension */}}
{{- $imgs_collect := slice -}}
{{- $imgs := slice -}}
{{- $img_exts := slice ".jpg" ".jpeg" ".png" ".gif" ".webp" ".tiff" -}}
{{/* Get information from optional metadata file */}}
{{- $metadata := dict -}}
{{- with .Params.metadata -}}
{{- $metadata = index $.Site.Data . -}}
{{- end -}}
{{/* Get images from src Param, separated by comma */}}
{{- range (split .Params.src ",") -}}
{{- $img := (trim . " ") -}}
{{- $img_static := print "/static/" $img -}}
{{/* Only proceed when path exists */}}
{{- if os.FileExists $img_static -}}
{{/* If current item is a directory, range each of them, and add with full path to the slice */}}
{{- if (os.Stat $img_static).IsDir -}}
{{- range readDir $img_static -}}
{{- $imgs_collect = $imgs_collect | append (path.Join $img .Name ) -}}
{{- end -}}
{{/* If a single file, just add it to the slice */}}
{{- else -}}
{{- $imgs_collect = $imgs_collect | append $img -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{/* Filter collected files, store them as slice of dicts/maps */}}
{{- range $imgs_collect -}}
{{/* Only process files if they are recognised as an image */}}
{{- if in $img_exts (lower (path.Ext .)) -}}
{{/* Create a dict holding path and optional metadata */}}
{{- $imgdict := dict "src" . -}}
{{/* If metadata for this image path found, add all of it to dict */}}
{{- $img_metadata := where $metadata "src" . -}}
{{- with $img_metadata -}}
{{- $imgdict = merge $imgdict (index . 0) -}}
{{- end -}}
{{/* Add final dict to slice */}}
{{- $imgs = $imgs | append $imgdict -}}
{{- end -}}
{{- end -}}
{{/* Define cursor when hovering over images, depending on lightbox status */}}
{{- $lightbox := (default true .Params.lightbox) -}}
{{- $cursor := "auto" -}}
{{- if $lightbox }}{{ $cursor = "zoom-in" }}{{ end -}}
{{/* Visible images in separate modes */}}
{{- $mode := default "gallery" .Params.mode -}}
{{/* Gallery mode */}}
{{- if eq $mode "gallery" -}}
{{- partial "gallery" (dict "columns" .Params.columns "minwidth" .Params.minwidth "imgs" $imgs "galno" $galno "cursor" $cursor "aspectratio" .Params.aspectratio) -}}
{{/* Slideshow mode */}}
{{- else if eq $mode "slideshow" -}}
{{- partial "slideshow" (dict "imgs" $imgs "galno" $galno "width" .Params.slideshowwidth "cursor" $cursor "aspectratio" .Params.aspectratio) -}}
{{/* Set autorotate timer for slideshow, if configured (default: yes) */}}
{{- if (default true .Params.slideshowrotate) -}}
{{- end -}}
{{- end -}}
{{/* The Modal/Lightbox */}}
{{ if $lightbox -}}
{{- partial "lightbox" (dict "galno" $galno "imgs" $imgs) -}}
{{- end -}}