Inspector: live data updates under interactive selections

2026-08-08 02:02:33 +00:00 · 2026-06-29 09:58:32 +03:00
parent 6656811b8e
commit 8aa05e503d
13 changed files with 269 additions and 21 deletions
@@ -61,6 +61,12 @@ when no chart is up), wrapping the view exactly like `toImageURL`. It works in t
  a collapsed inspector costs nothing, which is why the panel reads on demand rather than on
  every render. (A multi-view spec yields several tables; the panel's `SelectControl` picker
  chooses which to show — labels never expose Vega's compiler names, see arch 10.)
+- **Stay live under interaction.** A selection that _filters_ a downstream view recomputes
+  that view's compiled table in place (no re-embed), so the open panel re-reads to track it —
+  "what am I visualizing now". `RenderHandle.onDataChange` attaches a debounced
+  `view.addDataListener` to each drawn table; a highlight selection (a `condition` encoding)
+  changes no data, so it never fires. Always live, no toggle — gated on the panel being open
+  like the read itself, and re-subscribed per settled render so it tracks the current handle.

 ---