Allow to explicitly set ticket language

src/pretix/base/pdf.py

@@ -34,6 +34,7 @@ from reportlab.pdfbase.ttfonts import TTFont
 from reportlab.pdfgen.canvas import Canvas
 from reportlab.platypus import Paragraph
 
+from pretix.base.i18n import language
 from pretix.base.invoice import ThumbnailingImageReader
 from pretix.base.models import Order, OrderPosition
 from pretix.base.settings import PERSON_NAME_SCHEMES
@@ -407,7 +408,11 @@ class Renderer:
     def _get_ev(self, op, order):
         return op.subevent or order.event
 
-    def _get_text_content(self, op: OrderPosition, order: Order, o: dict):
+    def _get_text_content(self, op: OrderPosition, order: Order, o: dict, inner=False):
+        if o.get('locale', None) and not inner:
+            with language(o['locale']):
+                return self._get_text_content(op, order, o, True)
+
         ev = self._get_ev(op, order)
         if not o['content']:
             return '(error)'

src/pretix/control/templates/pretixcontrol/pdf/index.html

@@ -198,11 +198,24 @@
                         </div>
                         <div class="col-sm-12 help-inline">
                             <p>
-                                After you changed the page size, you need to create a new empty background. If you
+                                {% blocktrans trimmed %}
-                                want to use a custom background, it already needs to have the correct size.
+                                    After you changed the page size, you need to create a new empty background. If you
+                                    want to use a custom background, it already needs to have the correct size.
+                                {% endblocktrans %}
                             </p>
                         </div>
                     </div>
+                    <div class="row control-group pdf-info">
+                        <div class="col-sm-12">
+                            <label>{% trans "Prefered language" %}</label><br>
+                            <select class="form-control" id="pdf-info-locale">
+                                <option value="">{% trans "Order locale" %}</option>
+                                {% for l in locales %}
+                                    <option value="{{ l.0 }}">{{ l.1 }}</option>
+                                {% endfor %}
+                            </select>
+                        </div>
+                    </div>
                     <div class="row control-group position">
                         <div class="col-sm-6">
                             <label>{% trans "x (mm)" %}</label><br>

src/pretix/control/views/pdf.py

@@ -4,6 +4,7 @@ import mimetypes
 from datetime import timedelta
 from io import BytesIO
 
+from django.conf import settings
 from django.core.files import File
 from django.core.files.base import ContentFile
 from django.core.files.storage import default_storage
@@ -217,6 +218,7 @@ class BaseEditorView(EventPermissionRequiredMixin, TemplateView):
         ctx['variables'] = self.get_variables()
         ctx['layout'] = json.dumps(self.get_current_layout())
         ctx['title'] = self.title
+        ctx['locales'] = [p for p in settings.LANGUAGES if p[0] in self.request.event.settings.locales]
         return ctx
 
 

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

@@ -119,6 +119,7 @@ var editor = {
                 var col = (new fabric.Color(o.getFill()))._source;
                 d.push({
                     type: "textarea",
+                    locale: $("#pdf-info-locale").val(),
                     left: editor._px2mm(left).toFixed(2),
                     bottom: editor._px2mm(editor.pdf_viewport.height - o.height - top).toFixed(2),
                     fontsize: editor._px2pt(o.getFontSize()).toFixed(1),
@@ -178,6 +179,10 @@ var editor = {
             } else {
                 o.setText(editor._get_text_sample(d.content));
             }
+            if (d.locale) {
+                // The data format allows to set the locale per text field but we currently only expose a global field
+                $("#pdf-info-locale").val(d.locale);
+            }
         }
 
         var new_top = editor.pdf_viewport.height - editor._mm2px(d.bottom) - (o.height * o.scaleY);