Add a hint which questions will be publicly shown

pretix_public_registrations/locale/de/LC_MESSAGES/django.po

@@ -2,7 +2,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: \n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-09-11 22:48+0200\n"
+"POT-Creation-Date: 2019-09-12 10:44+0200\n"
 "PO-Revision-Date: \n"
 "Last-Translator: Felix Schäfer\n"
 "Language-Team: \n"
@@ -15,7 +15,6 @@ msgstr ""
 "X-Poedit-SearchPath-0: .\n"
 
 #: __init__.py:13
-#| msgid "Public registration"
 msgid "Pretix public registrations"
 msgstr ""
 
@@ -43,10 +42,16 @@ msgstr "Teilnehmername anzeigen"
 msgid "Show product name"
 msgstr "Produktname anzeigen"
 
-#: signals.py:38
+#: signals.py:46
 msgid "Public registration"
 msgstr "Öffentliche Anmeldung"
 
-#: signals.py:97
+#: signals.py:49
+#, python-format
+msgid ""
+"The answers to the following questions will be publicly shown: %(qlist)s"
+msgstr "Antworten auf folgende Fragen werden öffentlich angezeigt: %(qlist)s"
+
+#: signals.py:108
 msgid "Public registrations"
 msgstr "Öffentliche Anmeldungen"

pretix_public_registrations/signals.py

@@ -34,10 +34,21 @@ def add_public_registrations_html_head(sender, request=None, **kwargs):
 @receiver(question_form_fields, dispatch_uid="public_registration_question")
 def add_public_registration_question(sender, position, **kwargs):
     if str(position.item.pk) in sender.settings.get('public_registrations_items'):
+        public_questions = sender.questions.filter(pk__in=sender.settings.get('public_registrations_questions'))
+        headers = (
+            [_("Product")] if sender.settings.get('public_registrations_show_item_name') else []
+        ) + (
+            [_("Name")] if sender.settings.get('public_registrations_show_attendee_name') else []
+        ) + [
+            q.question for q in public_questions
+        ]
         return {'public_registrations_public_registration': forms.BooleanField(
             label=_('Public registration'),
             required=False,
-            help_text=sender.settings.get('public_registrations_field_help_text', as_type=LazyI18nString),
+            help_text=_(
+                'The answers to the following questions will be publicly shown: %(qlist)s'
+                % {'qlist': ", ".join(str(h) for h in headers)}
+            ),
         )}
     else:
         return {}