[4.0.x] Fixed #33725 -- Made hidden quick filter in admin's navigation sidebar not focusable.

Regression in d915dd1c5809d7c2bb3679751cd5277571dcd9f7.

Follow up to 780473d75625d014cbe9b0acdea40b7a5970d5d8.

Backport of 90dcf271147693a8897f644c4c8943c5b73c02f8 from main.

1 files changed, 9 insertions, 0 deletions

diff --git a/django/contrib/admin/static/admin/js/nav_sidebar.js b/django/contrib/admin/static/admin/js/nav_sidebar.js
index 86cb1cf837..261a9d4992 100644
--- a/django/contrib/admin/static/admin/js/nav_sidebar.js
+++ b/django/contrib/admin/static/admin/js/nav_sidebar.js
@@ -13,6 +13,12 @@
                 navLink.tabIndex = 0;
             }
         }
+        function disableNavFilterTabbing() {
+            document.getElementById('nav-filter').tabIndex = -1;
+        }
+        function enableNavFilterTabbing() {
+            document.getElementById('nav-filter').tabIndex = 0;
+        }
 
         const main = document.getElementById('main');
         let navSidebarIsOpen = localStorage.getItem('django.admin.navSidebarIsOpen');
@@ -21,6 +27,7 @@
         }
         if (navSidebarIsOpen === 'false') {
             disableNavLinkTabbing();
+            disableNavFilterTabbing();
         }
         main.classList.toggle('shifted', navSidebarIsOpen === 'true');
 
@@ -28,9 +35,11 @@
             if (navSidebarIsOpen === 'true') {
                 navSidebarIsOpen = 'false';
                 disableNavLinkTabbing();
+                disableNavFilterTabbing();
             } else {
                 navSidebarIsOpen = 'true';
                 enableNavLinkTabbing();
+                enableNavFilterTabbing();
             }
             localStorage.setItem('django.admin.navSidebarIsOpen', navSidebarIsOpen);
             main.classList.toggle('shifted');