Update teacher_panel.py

teacher_panel.py

@@ -130,31 +130,29 @@ def teacher_delete_current(
 
 
 def teacher_on_table_select(
-    table: List[List[str]], evt: gr.SelectData
+    evt: gr.SelectData,
 ) -> Tuple[str, str, str, str]:
     """
     When teacher clicks a row in the Q&A table, load Q/A into textboxes.
 
-    Gradio passes:
-      - table: current Dataframe value (list of rows)
-      - evt:   gr.SelectData, where evt.index = (row, col)
+    We only use the SelectData event:
+      - evt.index      -> (row, col)
+      - evt.row_value  -> the whole row [id, question, answer]
     """
     try:
-        if evt is None or evt.index is None:
+        if evt is None or evt.index is None or evt.row_value is None:
             raise ValueError("Empty select event")
 
-        # evt.index can be int or (row, col)
-        idx = evt.index[0] if isinstance(evt.index, (list, tuple)) else evt.index
-
-        if idx is None or idx < 0 or idx >= len(table):
-            raise IndexError(f"Row index {idx} out of range")
-
-        row = table[idx]  # row should be [id, question, answer]
+        # row_value is already the full row (list-like)
+        row = list(evt.row_value)
 
         current_id = str(row[0]) if len(row) > 0 else ""
         question = str(row[1]) if len(row) > 1 else ""
         answer = str(row[2]) if len(row) > 2 else ""
 
+        if not current_id:
+            raise ValueError("Empty ID from selected row")
+
         msg = f"✏️ ເລືອກ Q&A ID {current_id} ສໍາລັບແກ້ໄຂ."
     except Exception as e:  # noqa: BLE001
         print(f"[WARN] teacher_on_table_select error: {e}")