Add request to organizer_edit_tabs signal and actually send it

src/pretix/control/signals.py

@@ -124,12 +124,13 @@ As with all plugin signals, the ``sender`` keyword argument will contain the eve
 """
 
 organizer_edit_tabs = Signal(
-    providing_args=['organizer']
+    providing_args=['organizer', 'request']
 )
 """
 This signal is sent out to include tabs on the detail page of an organizer. Receivers
 should return a tuple with the first item being the tab title and the second item
-being the content as HTML. The receivers get the ``organizer`` as a keyword argument.
+being the content as HTML. The receivers get the ``organizer`` and the ``request`` as
+keyword arguments.
 
 This is a regular django signal (no pretix event signal).
 """

src/pretix/control/templates/pretixcontrol/organizers/detail.html

@@ -151,7 +151,7 @@
         {% for title, content in tabs %}
             <div class="tab-pane" id="tab-{{ forloop.index }}">
                 <div class="tab-inner">
-                    {{ field }}
+                    {{ content }}
                 </div>
             </div>
         {% endfor %}

src/pretix/control/views/organizer.py

@@ -14,6 +14,7 @@ from pretix.base.models import Organizer, OrganizerPermission, User
 from pretix.base.services.mail import SendMailException, mail
 from pretix.control.forms.organizer import OrganizerForm, OrganizerUpdateForm
 from pretix.control.permissions import OrganizerPermissionRequiredMixin
+from pretix.control.signals import organizer_edit_tabs
 from pretix.helpers.urls import build_absolute_uri
 
 
@@ -74,6 +75,12 @@ class OrganizerDetail(OrganizerPermissionRequiredMixin, DetailView):
         ctx['formset'] = self.formset
         ctx['add_form'] = self.add_form
         ctx['events'] = self.request.organizer.events.all()
+        ctx['tabs'] = []
+
+        for recv, retv in organizer_edit_tabs.send(sender=self.request.organizer, request=self.request,
+                                                   organizer=self.request.organizer):
+            ctx['tabs'].append(retv)
+
         return ctx
 
     def _send_invite(self, instance):