Refactor player selection handling in Handbuilder tab of app.py by removing unnecessary session state variables and simplifying the selection logic. Update the display of selected players to directly reflect current selections, enhancing clarity and user experience.

app.py

@@ -802,12 +802,7 @@ with tab3:
 with tab4:
     st.header("Handbuilder")
 
-    if 'handbuilder_editor_key' not in st.session_state:
-        st.session_state.handbuilder_editor_key = 0
-
     if st.button("Clear Data", key='clear_handbuild'):
-        st.session_state.handbuilder_editor_key += 1
-        st.session_state.handbuilder_selected_indices = []
         st.rerun()
 
     # --- TEAM FILTER UI ---
@@ -832,33 +827,18 @@ with tab4:
     else:
         player_select_df = dk_roo[['Player', 'Position', 'Team', 'Salary', 'Median', 'Order', 'Hand', 'Own%']].copy()
 
-    # --- ROW SELECTION STATE ---
-    # Map previous selection to the new filtered DataFrame
-    if 'handbuilder_selected_indices' not in st.session_state:
-        st.session_state.handbuilder_selected_indices = []
-
-    # Remove indices that are out of range (in case the player pool shrinks)
-    st.session_state.handbuilder_selected_indices = [
-        i for i in st.session_state.handbuilder_selected_indices if i < len(player_select_df)
-    ]
-
     col1, col2 = st.columns([1, 2])
     with col2:
         st.subheader("Player Select")
         event = st.dataframe(
             player_select_df,
-            key=f"handbuilder_editor_{st.session_state.handbuilder_editor_key}",
             on_select="rerun",
-            selection_mode=["multi-row"],
-            selected_rows=st.session_state.handbuilder_selected_indices
+            selection_mode=["multi-row"]
         )
 
-        # Update session state with new selection if changed
-        if event and "rows" in event.selection:
-            st.session_state.handbuilder_selected_indices = event.selection["rows"]
-
-    # Get selected rows
-    select_players_disp = player_select_df.iloc[st.session_state.handbuilder_selected_indices][['Player', 'Team', 'Salary', 'Median', 'Own%']]
+    # Get selected rows (if any)
+    selected_indices = event.selection["rows"] if event and "rows" in event.selection else []
+    select_players_disp = player_select_df.iloc[selected_indices][['Player', 'Team', 'Salary', 'Median', 'Own%']]
 
     with col1:
         st.subheader("Lineup")