Show which image is headlined on nodes#show

The editable sidebar has had a star toggle since headline
designation shipped; the read-only view never gained any equivalent
indicator. Same visual language -- gold filled star, same
.is_headline card highlight already defined in admin.css.

2 files changed, 33 insertions, 1 deletions

diff --git a/app/views/nodes/show.html.erb b/app/views/nodes/show.html.erb
index af05778..a7be3c6 100644
--- a/app/views/nodes/show.html.erb
+++ b/app/views/nodes/show.html.erb
@@ -254,11 +254,19 @@
     </div>
 
     <% if @page.assets.images.any? %>
+      <% headline_asset_id = @page.related_assets.find_by(headline: true)&.asset_id %>
       <div class="node_description">Images</div>
       <div class="node_content node_info_group">
         <ul class="thumbnail_list">
           <% @page.assets.images.each do |asset| %>
-            <li><%= link_to image_tag(asset.upload.url(:thumb)), asset_path(asset) %></li>
+            <li class="<%= "is_headline" if asset.id == headline_asset_id %>">
+              <%= link_to image_tag(asset.upload.url(:thumb)), asset_path(asset) %>
+              <% if asset.id == headline_asset_id %>
+                <span class="headline_indicator" title="This page's headline image">
+                  <%= icon("star", library: "tabler", "aria-hidden": true) %>
+                </span>
+              <% end %>
+            </li>
           <% end %>
         </ul>
       </div>
diff --git a/public/stylesheets/admin.css b/public/stylesheets/admin.css
index 086e73d..88c9c8b 100644
--- a/public/stylesheets/admin.css
+++ b/public/stylesheets/admin.css
@@ -1316,6 +1316,30 @@ div#image_browser ul li {
   border-radius: 4px;
 }
 
+.thumbnail_list li {
+  position: relative;
+}
+
+.thumbnail_list li .headline_indicator {
+  position: absolute;
+  top: 4px;
+  right: 4px;
+  width: 1.4rem;
+  height: 1.4rem;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 50%;
+  background: rgba(255, 255, 255, 0.85);
+  color: #f5b400;
+}
+
+.thumbnail_list li .headline_indicator svg {
+  width: 0.9rem;
+  height: 0.9rem;
+  fill: currentColor;
+}
+
 .related_asset_handle {
   display: flex;
   color: #969696;