Render edit URL in page usage view as a header button

wagtail/admin/tests/pages/test_page_usage.py

@@ -58,6 +58,14 @@ def test_simple(self):
         ]
         self.assertBreadcrumbsItemsRendered(items, response.content)
 
+        # There should be exactly one edit link, rendered as a header button
+        edit_url = reverse("wagtailadmin_pages:edit", args=(self.page.id,))
+        soup = self.get_soup(response.content)
+        edit_links = soup.select(f"a[href='{edit_url}']")
+        self.assertEqual(len(edit_links), 1)
+        edit_link = edit_links[0]
+        self.assertIn("w-header-button", edit_link.attrs.get("class"))
+
     def test_has_private_usage(self):
         PageChooserModel.objects.create(page=self.page)
         usage_url = reverse("wagtailadmin_pages:usage", args=(self.page.id,))

wagtail/admin/views/pages/usage.py

@@ -78,6 +78,7 @@ class UsageView(generic.UsageView):
     pk_url_kwarg = "page_id"
     header_icon = "doc-empty-inverse"
     usage_url_name = "wagtailadmin_pages:usage"
+    edit_url_name = "wagtailadmin_pages:edit"
     _show_breadcrumbs = True
 
     def dispatch(self, request, *args, **kwargs):
@@ -88,3 +89,11 @@ def dispatch(self, request, *args, **kwargs):
     @cached_property
     def breadcrumbs_items(self):
         return get_breadcrumbs_items_for_page(self.object, self.request.user)
+
+    def get_breadcrumbs_items(self):
+        # The generic UsageView will add an edit link for the current object as
+        # the second-to-last item, but we don't want that because we want to
+        # link to the explore view instead for consistency with how page
+        # breadcrumbs work elsewhere. So we only take the last item, which is
+        # the "self" (Usage) item.
+        return self.breadcrumbs_items + [super().get_breadcrumbs_items()[-1]]