Refactor player selection and pagination in app.py for enhanced usability

- Updated player selection logic to allow filtering by specific players or all players, improving user interaction.
- Adjusted pagination layout for better alignment and spacing, enhancing the overall user experience.
- Ensured that the contest data is filtered based on player selection, maintaining accurate data representation.

app.py

@@ -88,11 +88,8 @@ with tab2:
         with col1:
             with st.form(key='filter_form'):
                 type_var = st.selectbox("Select Game Type", ['Classic', 'Showdown'])
-                player_parse_var = st.selectbox("Do you want to view a specific player(s) or a group of players?", ['All', 'Specific'])
-                if player_parse_var == 'Specific':
-                    player_names = st.multiselect("Select players", options=st.session_state['entry_list'])
-                else:
-                    player_names = st.session_state['entry_list']
+                entry_parse_var = st.selectbox("Do you want to view a specific player(s) or a group of players?", ['All', 'Specific'])
+                entry_names = st.multiselect("Select players", options=st.session_state['entry_list'], default=[])
                 submitted = st.form_submit_button("Submit")
 
 
@@ -108,6 +105,11 @@ with tab2:
             'cpt_own_map':dict(zip(st.session_state['projections_df']['player_names'], st.session_state['projections_df']['captain ownership']))
         }
         
+        if entry_parse_var == 'Specific':
+            st.session_state['Contest'] = st.session_state['Contest'][st.session_state['Contest']['BaseName'].isin(entry_names)]
+        else:
+            st.session_state['Contest'] = st.session_state['Contest']
+        
         if type_var == 'Classic':
             st.session_state['Contest']['salary'] = st.session_state['Contest'].apply(lambda row: sum(map_dict['salary_map'].get(player, 0) for player in row), axis=1)
             st.session_state['Contest']['median'] = st.session_state['Contest'].apply(lambda row: sum(map_dict['proj_map'].get(player, 0) for player in row), axis=1)
@@ -146,13 +148,13 @@ with tab2:
             total_pages = (total_rows + rows_per_page - 1) // rows_per_page
             
             # Create pagination controls in a single row
-            pagination_cols = st.columns([1, 1, 1, 6])  # Last column for spacing
-            with pagination_cols[0]:
+            pagination_cols = st.columns([4, 1, 1, 1, 4])  # Last column for spacing
+            with pagination_cols[1]:
                 if st.button("← Previous", disabled=st.session_state.current_page == 0):
                     st.session_state.current_page -= 1
-            with pagination_cols[1]:
-                st.markdown(f"**Page {st.session_state.current_page + 1} of {total_pages}**", unsafe_allow_html=True)
             with pagination_cols[2]:
+                st.markdown(f"**Page {st.session_state.current_page + 1} of {total_pages}**", unsafe_allow_html=True)
+            with pagination_cols[3]:
                 if st.button("Next →", disabled=st.session_state.current_page == total_pages - 1):
                     st.session_state.current_page += 1