fix datetime fields

src/pretix/base/forms/questions.py

@@ -263,7 +263,7 @@ class BaseQuestionsForm(forms.Form):
                     label=label, required=required,
                     help_text=help_text,
                     initial=dateutil.parser.parse(initial.answer).astimezone(tz) if initial and initial.answer else (
-                        dateutil.parser.parse(default).astimezone(tz) if default else None),
+                        dateutil.parser.parse(default) if default else None),
                     widget=SplitDateTimePickerWidget(time_format=get_format_without_seconds('TIME_INPUT_FORMATS')),
                 )
             field.question = q

src/pretix/control/forms/item.py

@@ -2,6 +2,7 @@ from django import forms
 from django.core.exceptions import ValidationError
 from django.db.models import Max
 from django.forms.formsets import DELETION_FIELD_NAME
+from django.forms.utils import ErrorList
 from django.urls import reverse
 from django.utils.translation import (
     pgettext_lazy, ugettext as __, ugettext_lazy as _,
@@ -33,6 +34,17 @@ class CategoryForm(I18nModelForm):
         ]
 
 
+class AdjustableTypeField(forms.Textarea):
+    def __init__(self, *args, type=None, **kwargs):
+        super().__init__(*args, **kwargs)
+
+    def value_from_datadict(self, data, files, name):
+        if 'type' in data and data['type'] == 'W' and 'default_value_date' in data and 'default_value_time' in data:
+            return '{} {}'.format(data['default_value_date'], data['default_value_time'])
+        else:
+            return super().value_from_datadict(data, files, name)
+
+
 class QuestionForm(I18nModelForm):
     question = I18nFormField(
         label=_("Question"),
@@ -91,7 +103,8 @@ class QuestionForm(I18nModelForm):
             'items': forms.CheckboxSelectMultiple(
                 attrs={'class': 'scrolling-multiple-choice'}
             ),
-            'dependency_value': forms.Select,
+            'default_value': AdjustableTypeField(),
+            'dependency_value': forms.Select
         }
 
 

src/pretix/static/pretixcontrol/js/ui/main.js

@@ -2,8 +2,11 @@
 
 function update_default_value_field() {
     let input = $('#id_default_value');
-    let common_attrs = ' name="default_value" placeholder="' + input.attr('placeholder') + '" title="' + input.attr('title') + '" id="id_default_value"';
-    let value = input.val();
+    let parent = input.parent();
+
+    let field = input.prop("tagName") == 'DIV' ? input.children().first() : input;
+    let common_attrs = ' name="default_value" placeholder="' + field.attr('placeholder') + '" title="' + field.attr('title') + '" id="id_default_value"';
+    let value = field.val();
     switch ($("#id_type").val()) {
         case 'N':
             input.replaceWith('<input type="number" class="form-control" value="' + value + '" ' + common_attrs + '>');
@@ -24,17 +27,29 @@ function update_default_value_field() {
             break;
         case 'D':
             let dateField = input.replaceWith('<input type="text" class="form-control datepickerfield" value="' + value + '" ' + common_attrs + '>');
-            form_handlers(dateField.parent());
+            form_handlers(parent);
             $('.form-group:has(#id_default_value)').show();
             break;
         case 'H':
             let timeField = input.replaceWith('<input type="text" class="form-control timepickerfield" value="' + value + '" ' + common_attrs + '>');
-            form_handlers(timeField.parent());
+            form_handlers(parent);
             $('.form-group:has(#id_default_value)').show();
             break;
         case 'W':
-            let dtField = input.replaceWith('<input type="text" class="form-control datepickerfield" value="' + value + '" ' + common_attrs + '>');
-            form_handlers(dtField.parent());
+            let split = value.split(' ');
+            let date, time;
+            if (split.length > 1) {
+                date = split[0];
+                time = split[1];
+            } else {
+                date = null;
+                time = null;
+            }
+            let dtField = input.replaceWith('<div class="splitdatetimerow" id="id_default_value">\n' +
+                '<input type="text" class="form-control splitdatetimepart datepickerfield" value="' + date + '"  name="default_value_date" placeholder="' + field.attr('placeholder') + '" title="' + field.attr('title') + '">\n' +
+                '<input type="text" class="form-control splitdatetimepart timepickerfield" value="' + time + '"  name="default_value_time" placeholder="' + field.attr('placeholder') + '" title="' + field.attr('title') + '">\n' +
+                '</div>\n');
+            form_handlers(parent);
             $('.form-group:has(#id_default_value)').show();
             break;
         default: