[templates] Made node template reusable

django_netjsongraph/base/admin.py

@@ -144,14 +144,16 @@ class AbstractNodeAdmin(BaseAdmin):
     def change_view(self, request, object_id, form_url='', extra_context=None):
         extra_context = extra_context or {}
         link_model = self.model.source_link_set.field.model
+        admin_url = 'admin:{0}_link_change'.format(self.opts.app_label)
         extra_context.update({
             'node_links': link_model.objects.select_related('source', 'target')
                                             .only('source__label',
                                                   'target__label',
                                                   'cost',
                                                   'status')
                                             .filter(Q(source_id=object_id) |
-                                                    Q(target_id=object_id))
+                                                    Q(target_id=object_id)),
+            'admin_url': admin_url
         })
         return super(AbstractNodeAdmin, self).change_view(request, object_id, form_url, extra_context)
 

django_netjsongraph/templates/admin/django_netjsongraph/node/change_form.html

@@ -8,7 +8,7 @@ <h2>{% trans 'Links to other nodes' %}: {{ node_links|length }}</h2>
     <div class="form-row link">
         <div>
             <p>
-                <a href="{% url 'admin:django_netjsongraph_link_change' link.pk %}">
+                <a href="{% url admin_url link.pk %}">
                     {% if link.source_id|lower == object_id|lower %}
                         {{ link.target }}
                     {% else %}