Minor fixes to thingie.

inventory/templates/fragments/_combobox_fragment.html

@@ -77,8 +77,10 @@ create_url = none, edit_url = none, delete_url = none, refresh_url = none
     </select>
 
     {% if refresh_url %}
-    <div id="{{ id }}-htmx-refresh" class="d-none" hx-get="{{ refresh_url }}"
-        hx-trigger="load, combobox:refresh from:#{{ id }}-container" hx-target="#{{ id }}-list" hx-swap="innerHTML"></div>
+    {% set url = refresh_url ~ ('&' if '?' in refresh_url else '?') ~ 'view=option' %}
+    <div id="{{ id }}-htmx-refresh" class="d-none" hx-get="{{ url }}"
+        hx-trigger="revealed, combobox:refresh from:#{{ id }}-container" hx-target="#{{ id }}-list" hx-swap="innerHTML">
+    </div>
     {% endif %}
 </div>
 {% endmacro %}

inventory/templates/fragments/_option_fragment.html

@@ -1,6 +1,7 @@
-{% for option in options %}
-  <option value="{{ option.id }}"
-    {% for k,v in option.items() if k not in ('id','name') and v is not none %}
-      data-{{ k }}="{{ v }}"
-    {% endfor %}>{{ option.name }}</option>
-{% endfor %}
+{# templates/fragments/_option_fragment.html #}
+{% for it in options %}
+  <option value="{{ it.id }}"
+    {% for k, v in it.items() if k not in ('id','name') and v is not none %}
+      data-{{ k|e }}="{{ v|e }}"
+    {% endfor %}>{{ it.name }}</option>
+{% endfor %}

inventory/templates/playground.html

@@ -4,6 +4,6 @@
     {{ combos.dynamic_combobox(
         id='play',
         label='Breakfast!',
-        refresh_url=url_for('ui.list_items', model_name='brand', view='option')
+        refresh_url=url_for('ui.list_items', model_name='brand')
     ) }}
 {% endblock %}

inventory/ui/blueprint.py

@@ -53,6 +53,7 @@ def list_items(model_name):
     items = [call(Model, 'ui_serialize', r, view=view) or default_serialize(Model, r, view=view)
              for r in rows]
 
-    if view=="option":
-        return render_template('fragments/_option_fragment.html', options=items)
+    want_html = (request.args.get("view") == "option") or ("HX-Request" in request.headers)
+    if want_html:
+        return render_template("fragments/_option_fragment.html", options=items)
     return jsonify({"items": items})