#7 New Form

* extends KonovaCode filtering for parent objects matching given input
* renames data_form into form for easier template render support
* simplifies empty geometry form initialization

templates/map/geom_form.html

@@ -4,8 +4,7 @@
     Encapsules the rendering and initializing of a geometry view component, e.g. used in the detail views.
 {% endcomment %}
 
-
-{% if geom_form.area == 0 %}
+{% if geom_form.empty %}
     <div class="alert alert-info">{% trans 'No geometry added, yet.' %}</div>
 {% endif %}
 {{geom_form.media}}