Merge pull request #776 from liqd/mn-2019-07-translatable-wagtail-pages

Mn 2019 07 translatable wagtail pages

apps/cms/pages/migrations/0007_rename_body_to_body_de.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.21 on 2019-07-02 11:43
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('a4_candy_cms_pages', '0006_rename_tables_to_default'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='homepage',
+            old_name='body',
+            new_name='body_de',
+        ),
+    ]

apps/cms/pages/migrations/0008_homepage_body_en.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.21 on 2019-07-02 11:44
+from __future__ import unicode_literals
+
+from django.db import migrations
+import wagtail.core.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('a4_candy_cms_pages', '0007_rename_body_to_body_de'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='homepage',
+            name='body_en',
+            field=wagtail.core.fields.RichTextField(blank=True),
+        ),
+    ]

apps/cms/pages/migrations/0009_rename_subtitle_to_subtititle_de.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.21 on 2019-07-02 12:00
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('a4_candy_cms_pages', '0008_homepage_body_en'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='homepage',
+            old_name='subtitle',
+            new_name='subtitle_de',
+        ),
+    ]

apps/cms/pages/migrations/0010_homepage_subtitle_en.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.21 on 2019-07-02 12:01
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('a4_candy_cms_pages', '0009_rename_subtitle_to_subtititle_de'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='homepage',
+            name='subtitle_en',
+            field=models.CharField(blank=True, max_length=500, verbose_name='Subtitle'),
+        ),
+    ]

apps/cms/pages/migrations/0011_rename_body_to_body_de.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.21 on 2019-07-02 14:46
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('a4_candy_cms_pages', '0010_homepage_subtitle_en'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='simplepage',
+            old_name='body',
+            new_name='body_de',
+        ),
+    ]

apps/cms/pages/migrations/0012_simplepage_body_en.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.21 on 2019-07-02 14:47
+from __future__ import unicode_literals
+
+from django.db import migrations
+import wagtail.core.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('a4_candy_cms_pages', '0011_rename_body_to_body_de'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='simplepage',
+            name='body_en',
+            field=wagtail.core.fields.RichTextField(blank=True),
+        ),
+    ]

apps/cms/pages/models.py

@@ -1,9 +1,13 @@
 from django.db import models
 from wagtail.admin.edit_handlers import FieldPanel
+from wagtail.admin.edit_handlers import ObjectList
+from wagtail.admin.edit_handlers import TabbedInterface
 from wagtail.core.fields import RichTextField
 from wagtail.core.models import Page
 from wagtail.images.edit_handlers import ImageChooserPanel
 
+from apps.contrib.translations import TranslatedField
+
 
 class HomePage(Page):
     image = models.ForeignKey(
@@ -15,31 +19,80 @@ class HomePage(Page):
         verbose_name="Header Image",
         help_text="The Image that is shown on top of the page"
     )
-    subtitle = models.CharField(
+
+    subtitle_de = models.CharField(
+        max_length=500, blank=True, verbose_name="Subtitle")
+    subtitle_en = models.CharField(
         max_length=500, blank=True, verbose_name="Subtitle")
-    body = RichTextField(blank=True)
 
-    subpage_types = ['a4_candy_cms_pages.EmptyPage']
+    body_de = RichTextField(blank=True)
+    body_en = RichTextField(blank=True)
+
+    body = TranslatedField(
+        'body_de',
+        'body_en'
+    )
+
+    subtitle = TranslatedField(
+        'subtitle_de',
+        'subtitle_en'
+    )
+
+    en_content_panels = [
+        FieldPanel('subtitle_en'),
+        FieldPanel('body_en')
+    ]
+
+    de_content_panels = [
+        FieldPanel('subtitle_de'),
+        FieldPanel('body_de')
+    ]
 
-    content_panels = [
+    common_panels = [
         FieldPanel('title'),
+        FieldPanel('slug'),
         ImageChooserPanel('image'),
-        FieldPanel('subtitle'),
-        FieldPanel('body')
     ]
 
-    promote_panels = Page.promote_panels
+    edit_handler = TabbedInterface([
+        ObjectList(common_panels, heading='Common'),
+        ObjectList(en_content_panels, heading='English'),
+        ObjectList(de_content_panels, heading='German')
+    ])
+
+    subpage_types = ['a4_candy_cms_pages.EmptyPage']
 
 
 class EmptyPage(Page):
     subpage_types = ['a4_candy_cms_pages.SimplePage']
 
 
 class SimplePage(Page):
-    body = RichTextField()
+    body_de = RichTextField()
+    body_en = RichTextField(blank=True)
 
-    content_panels = Page.content_panels + [
-        FieldPanel('body', classname='full'),
+    body = TranslatedField(
+        'body_de',
+        'body_en'
+    )
+
+    en_content_panels = [
+        FieldPanel('body_en')
     ]
 
+    de_content_panels = [
+        FieldPanel('body_de')
+    ]
+
+    common_panels = [
+        FieldPanel('title'),
+        FieldPanel('slug')
+    ]
+
+    edit_handler = TabbedInterface([
+        ObjectList(common_panels, heading='Common'),
+        ObjectList(en_content_panels, heading='English'),
+        ObjectList(de_content_panels, heading='German')
+    ])
+
     subpage_types = ['a4_candy_cms_pages.SimplePage']

apps/contrib/translations.py

@@ -0,0 +1,33 @@
+from django.utils import translation
+from wagtail.core.blocks.stream_block import StreamValue
+
+
+class TranslatedField(object):
+
+    def __init__(self, de_field, en_field):
+        self.de_field = de_field
+        self.en_field = en_field
+
+    def hasContent(self, field):
+        if isinstance(field, StreamValue):
+            value = field.stream_data
+            if value:
+                return True
+            else:
+                return False
+        elif isinstance(field, str):
+            if field:
+                return True
+            else:
+                return False
+        else:
+            return False
+
+    def __get__(self, instance, owner):
+        de = getattr(instance, self.de_field)
+        en = getattr(instance, self.en_field)
+
+        if translation.get_language() == 'en' and self.hasContent(en):
+            return en
+        else:
+            return de