Merge 92a0b19805 into 196cb02d10

client/src/components/ChooserWidget/PageChooserWidget.js

@@ -34,6 +34,7 @@ export class PageChooser extends Chooser {
       matchSubclass: this.opts.matchSubclass,
       canChooseRoot: this.opts.canChooseRoot,
       userPerms: this.opts.userPerms,
+      instanceId: this.opts.instanceId,
     };
     if (this.state && this.state.parentId) {
       opts.parentId = this.state.parentId;

client/src/entrypoints/admin/page-chooser-modal.js

@@ -251,6 +251,9 @@ class PageChooserModal extends ChooserModal {
     if (opts.userPerms) {
       urlParams.user_perms = opts.userPerms;
     }
+    if (opts.instanceId) {
+      urlParams.instance_id = opts.instanceId;
+    }
     return urlParams;
   }
 }

wagtail/admin/forms/pages.py

@@ -1,5 +1,6 @@
 from django import forms
 from django.conf import settings
+from django.forms import models
 from django.utils.translation import gettext as _
 from django.utils.translation import ngettext
 
@@ -166,6 +167,19 @@ class WagtailAdminPageForm(WagtailAdminModelForm):
 
         self.parent_page = parent_page
 
+        # bind the parent page of this forms page to the PageChooser widget
+        for obj in self.fields.values():
+            if isinstance(obj, models.ModelChoiceField):
+                try:
+                    obj.widget.page_instance = (
+                        self.instance
+                        if self.instance.id is not None
+                        else self.parent_page
+                    )
+                except AttributeError:
+                    # Then propably it isn't a page chooser
+                    pass
+
         if not self.show_comments_toggle:
             del self.fields["comment_notifications"]
 

wagtail/admin/views/chooser.py

@@ -296,9 +296,12 @@ class BrowseView(View):
                     selected_locale = get_object_or_404(
                         Locale, language_code=request.GET["locale"]
                     )
-                    active_locale_id = selected_locale.pk
+                elif request.GET.get("instance_id"):
+                    page_instance = Page.objects.get(id=request.GET["instance_id"])
+                    selected_locale = page_instance.locale
                 else:
-                    active_locale_id = Locale.get_active().pk
+                    selected_locale = Locale.get_active()
+                active_locale_id = selected_locale.pk
 
                 # we are at the Root level, so get the locales from the current pages
                 choose_url = reverse("wagtailadmin_choose_page")

wagtail/admin/widgets/chooser.py

@@ -224,6 +224,7 @@ class AdminPageChooser(BaseChooser):
     icon = "doc-empty-inverse"
     classname = "page-chooser"
     js_constructor = "PageChooser"
+    page_instance = None
 
     def __init__(
         self, target_models=None, can_choose_root=False, user_perms=None, **kwargs
@@ -301,6 +302,9 @@ class AdminPageChooser(BaseChooser):
         parent_id = value_data.get("parent_id")
         if parent_id is not None:
             opts["parentId"] = parent_id
+
+        if self.page_instance is not None:
+            opts["instanceId"] = self.page_instance.id
         return opts
 
     @property