Banktransfer: Big import refactoring

src/pretix/plugins/banktransfer/signals.py

@@ -1,9 +1,11 @@
 from django.core.urlresolvers import resolve, reverse
 from django.dispatch import receiver
+from django.template import Context
+from django.template.loader import get_template
 from django.utils.translation import ugettext_lazy as _
 
 from pretix.base.signals import register_payment_providers
-from pretix.control.signals import nav_event
+from pretix.control.signals import html_head, nav_event
 
 from .payment import BankTransfer
 
@@ -29,3 +31,14 @@ def control_nav_import(sender, request=None, **kwargs):
             'icon': 'upload',
         }
     ]
+
+
+@receiver(html_head, dispatch_uid="banktransfer_html_head")
+def html_head_presale(sender, request=None, **kwargs):
+    url = resolve(request.path_info)
+    if url.namespace == 'plugins:banktransfer':
+        template = get_template('pretixplugins/banktransfer/control_head.html')
+        ctx = Context({})
+        return template.render(ctx)
+    else:
+        return ""