test(centralui): TreeView keyboard-activation test + document preventDefault scope (T36a review)

2026-06-18 20:14:18 -04:00
parent fef4d4cf83
commit 828acd3266
2 changed files with 35 additions and 0 deletions
@@ -59,6 +59,9 @@ else
                          @onclick="() => ToggleExpand(key)"
                          @onclick:stopPropagation
                          @onkeydown="(e) => OnToggleKey(e, key)"
+                          @* preventDefault suppresses Space-bar page scroll on activation (intended for a role=button).
+                             It also suppresses Arrow-key default scroll while the toggle itself has focus — acceptable,
+                             as the chevron is Tab-navigated and Blazor offers no per-key conditional preventDefault. *@
                          @onkeydown:preventDefault><i class="bi bi-chevron-right"></i></span>
                }
                else