{{- /* This partial requires input context to have a Scratch with "content"

    $.Scratch.Get "content" must return a slice (array) of object maps

    Those objects need a "type" key, which can be "link" or something else.

    See below to see what needs to be in those different types
    */}}

<div class="flexrow">

    {{- $column_count := default 2 ($.Param "column_count") }}
    {{- $downloadable := default true ($.Param "images_downloadable") }}
    {{- $orig_download := default false ($.Param "images_downloadable_use_orig") }}

    {{- /* Initialize the column storage */}}
    {{- range $column_ind := seq $column_count }}
        {{- $st_name := printf "col-%d" $column_ind }}
        {{- $st_height_name := printf "col-height-%d" $column_ind }}
        {{- $.Scratch.Set $st_name (slice) }}
        {{- $.Scratch.Set $st_height_name 0 }}
    {{- end }}


    {{- /* Add the sections into the columns followed by images */}}
    {{- range $elem_index, $elem_val := $.Scratch.Get "content" }}
        {{- /* Find the least-filled column */}}
        {{- $.Scratch.Set "min_height" -1 }}
        {{- $.Scratch.Set "min_col" -1 }}
        {{- range $column_ind := seq $column_count }}
            {{- $st_height_name := printf "col-height-%d" $column_ind }}
            {{- $col_height := $.Scratch.Get $st_height_name }}
            {{- $min_height := $.Scratch.Get "min_height" }}
            {{- if (or (eq $min_height -1) (lt $col_height $min_height)) }}
                {{- $.Scratch.Set "min_height" $col_height }}
                {{- $.Scratch.Set "min_col" $column_ind }}
            {{- end }}
        {{- end }}

        {{- /* column_ind becomes the least-filled column */}}
        {{- $column_ind := $.Scratch.Get "min_col" }}
        {{- if eq $column_ind -1 }}
            {{- errorf (printf "When processing '%s', failed to find a least-filled column!" $.Page.File.Path) }}
        {{- end }}
        {{- $st_name := printf "col-%d" $column_ind }}
        {{- $st_height_name := printf "col-height-%d" $column_ind }}

        {{- /* Create a new version of the elem_val with an index reflecting position now, well after sorting is complete, and as we're placing things */}}
        {{- $reind_val := merge $elem_val (dict "index" $elem_index) }}

        {{- $column := $.Scratch.Get $st_name }}
        {{- $column := $column | append $reind_val }}
        {{- $.Scratch.Set $st_name $column }}

        {{- $.Scratch.Set $st_height_name (add ($.Scratch.Get $st_height_name) $reind_val.thumb.Height) }}
    {{- end }}

    {{- /* Output the images in columns */}}
    {{- range $column_ind := seq $column_count }}
        {{- $st_name := printf "col-%d" $column_ind }}
        {{- $column := $.Scratch.Get $st_name }}
        <div class="flexcol">
        {{- range $column }}
            {{- $filename := path.Base .image.Name }}
            <article class="thumb">
                {{- if (eq .type "link") }}
                    <a href="{{ .link }}" class="link" tabindex="0"><img src="{{ .thumb.RelPermalink }}" alt="{{ .title }}" /></a>
                    <h2>{{ .title }}</h2>
                {{- else }}
                    <a class="gallery-item" phototitle="{{ .phototitle }}"
                            {{ printf "description='%s'" (.description | markdownify) | safeHTMLAttr }}
                            gallery_index="{{ .index }}"
                            id="{{ md5 $filename }}"
                            downloadable="{{ cond $downloadable "true" "false" }}"
                            {{- if $downloadable }}
                                download_file="{{ (cond $orig_download .orig .full).RelPermalink }}"
                            {{- end }}
                            orig_name="{{ $filename }}"
                            href="{{ .full.RelPermalink }}">
                        <div id="image_number_{{ .index }}" class="gallery-item-marker"></div>
                        <img src="{{ .thumb.RelPermalink }}"
                            {{ with .alt }} alt="{{ . }}"{{ end }}>
                    </a>
                    {{- if (default false ($.Param "taxonomies_links")) }}
                        <div class="caption_tax">
                            {{- range $taxname, $terms := .taxonomies }}
                                {{- range $terms }}
                                    <div class="tax_term">
                                        {{- $url := ( printf "/%s/#%s" ($taxname | urlize) ( . | urlize ) ) | relURL }}
                                        <a href="{{ $url }}">{{ . | humanize }}</a>
                                    </div>
                                {{- end }}
                            {{- end }}
                        </div>
                    {{- end }}
                    <h2>{{ .phototitle }}</h2>
                {{- end }}
            </article>
        {{- end }}
        </div>
    {{- end }}
</div>