From d575c058ee560ea60a4fdb05e9a9864263699c9a Mon Sep 17 00:00:00 2001
From: Brent Schroeter <contact@brentsch.com>
Date: Tue, 20 Jan 2026 18:39:45 +0000
Subject: [PATCH] handle backspace input from table selection

---
 svelte/src/datum-editor.svelte      | 11 +++++++++++
 svelte/src/table-viewer.webc.svelte |  3 ++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/svelte/src/datum-editor.svelte b/svelte/src/datum-editor.svelte
index a1c0037..4277a91 100644
--- a/svelte/src/datum-editor.svelte
+++ b/svelte/src/datum-editor.svelte
@@ -145,6 +145,17 @@ example within the `<TableViewer />` or `<ExpressionEditor />`.
       // Cancel edit before blurring, or else the table will try to commit it.
       on_cancel_edit?.();
       on_restore_focus?.();
+    } else if (ev.key === "Backspace") {
+      if (
+        editor_state &&
+        ["Dropdown", "Numeric", "Text", "Uuid"].includes(
+          current_presentation.t ?? "",
+        ) &&
+        editor_state.text_value === ""
+      ) {
+        editor_state.is_null = !editor_state.is_null;
+        handle_input();
+      }
     } else if (
       current_presentation.t === "Dropdown" &&
       filtered_dropdown_options.length > 0
diff --git a/svelte/src/table-viewer.webc.svelte b/svelte/src/table-viewer.webc.svelte
index aa8825d..d3576cd 100644
--- a/svelte/src/table-viewer.webc.svelte
+++ b/svelte/src/table-viewer.webc.svelte
@@ -393,7 +393,7 @@
       !ev.altKey &&
       !ev.ctrlKey &&
       !ev.metaKey &&
-      /^[a-zA-Z0-9`~!@#$%^&*()_=+[\]{}\\|;:'",<.>/?-]$/.test(ev.key)
+      /^([a-zA-Z0-9`~!@#$%^&*()_=+[\]{}\\|;:'",<.>/?-]|Backspace)$/.test(ev.key)
     ) {
       const sel = selections[0];
       if (sel) {
@@ -401,6 +401,7 @@
           lazy_data.fields[sel.coords.field_idx].field.presentation,
         );
         datum_editor?.focus();
+        try_sync_edit_to_cells();
       }
     } else if (ev.key === "Enter") {
       if (ev.shiftKey) {