Minerals now show their detail. The layout still needs work to get it showing correctly though.

three_d_viewer/views.py

@@ -48,4 +48,14 @@ class MineralDetailView(DetailView):
     """
 
     model = Mineral
-    template_name = 'three_d_viewer/mineral_detail.html'
+    template_name = 'three_d_viewer/mineral_detail.html'
+
+    parent_categories = Category.objects.filter(parent=None). \
+        filter(active=True).order_by("name")
+
+    def get_context_data(self, **kwargs):
+        context = super(DetailView, self).get_context_data(**kwargs)
+        context['active_samples'] = Sample.objects.select_subclasses(Mineral).filter(active=True).order_by('name')
+        context['parent_categories'] = Category.objects.filter(parent=None). \
+            filter(active=True).order_by('name')
+        return context