Show live document creation button only if usable

CHANGELOG.rst

@@ -14,6 +14,11 @@ Added
 
 * Open poster group menu entries in new tab.
 
+Fixed
+~~~~~
+
+* Button for creation of live documents was there even if there weren't any live document types registered.
+
 `2.0`_ - 2021-12-27
 -------------------
 

aleksis/apps/resint/templates/resint/live_document/list.html

@@ -9,21 +9,28 @@
 {% block page_title %}{% blocktrans %}Live documents{% endblocktrans %}{% endblock %}
 
 {% block content %}
-  <a class="btn green waves-effect waves-light dropdown-trigger" href="#" data-target="widget-dropdown">
-    <i class="material-icons left">add</i>
-    {% trans "Create live document" %}
-  </a>
+  {% if widget_types %}
+    <a class="btn green waves-effect waves-light dropdown-trigger" href="#" data-target="widget-dropdown">
+      <i class="material-icons left">add</i>
+      {% trans "Create live document" %}
+    </a>
 
-  <ul id="widget-dropdown" class="dropdown-content">
-    {% for ct, model in widget_types %}
-      <li>
-        <a href="{% url 'create_live_document' ct.app_label ct.model %}">
-          {% verbose_name_object model as widget_name %}
-          {% blocktrans with name=widget_name %}Create {{ name }}{% endblocktrans %}
-        </a>
-      </li>
-    {% endfor %}
-  </ul>
+    <ul id="widget-dropdown" class="dropdown-content">
+      {% for ct, model in widget_types %}
+        <li>
+          <a href="{% url 'create_live_document' ct.app_label ct.model %}">
+            {% verbose_name_object model as widget_name %}
+            {% blocktrans with name=widget_name %}Create {{ name }}{% endblocktrans %}
+          </a>
+        </li>
+      {% endfor %}
+    </ul>
+  {% else %}
+    <figure class="alert primary">
+      <i class="material-icons left">info</i>
+      {% trans "There is no app installed which registers any live document types." %}
+    </figure>
+  {% endif %}
 
   {% render_table table %}
 {% endblock %}