added pagination to result page

ProtHGT_app.py

@@ -104,7 +104,8 @@ with st.sidebar:
         )        
 
         if uploaded_file:
-            protein_list = [line.decode('utf-8').strip() for line in uploaded_file]
+            protein_list = [line.strip() for line in uploaded_file.read().decode('utf-8').splitlines()]
+
             # Remove empty lines and duplicates
             protein_list = list(filter(None, protein_list))
             protein_list = list(dict.fromkeys(protein_list))
@@ -305,10 +306,55 @@ if st.session_state.submitted:
         filtered_df = filtered_df.sort_values('Probability', ascending=False)
 
 
-        # Display the filtered dataframe
+        # Custom CSS to increase table width and improve layout
+        st.markdown("""
+            <style>
+                .stDataFrame {
+                    width: 100%;
+                }
+                .stDataFrame > div {
+                    width: 100%;
+                }
+                .stDataFrame [data-testid="stDataFrameResizable"] {
+                    width: 100%;
+                    min-width: 100%;
+                }
+                .pagination-info {
+                    font-size: 14px;
+                    color: #666;
+                    padding: 10px 0;
+                }
+                .page-controls {
+                    display: flex;
+                    align-items: center;
+                    justify-content: center;
+                    gap: 20px;
+                    padding: 10px 0;
+                }
+            </style>
+        """, unsafe_allow_html=True)
+
+        # Add pagination controls
+        col1, col2, col3 = st.columns([2, 1, 2])
+        with col2:
+            rows_per_page = st.selectbox("Rows per page", [50, 100, 200, 500], index=1)
+
+        total_rows = len(filtered_df)
+        total_pages = (total_rows + rows_per_page - 1) // rows_per_page
+
+        # Initialize page number in session state
+        if "page_number" not in st.session_state:
+            st.session_state.page_number = 0
+
+        # Calculate start and end indices for current page
+        start_idx = st.session_state.page_number * rows_per_page
+        end_idx = min(start_idx + rows_per_page, total_rows)
+
+        # Display the paginated dataframe with increased width
         st.dataframe(
-            filtered_df,
+            filtered_df.iloc[start_idx:end_idx],
             hide_index=True,
+            use_container_width=True,  # This makes the table use full width
             column_config={
                 "Probability": st.column_config.ProgressColumn(
                     "Probability",
@@ -331,6 +377,27 @@ if st.session_state.submitted:
             }
         )
 
+        # Pagination controls with better layout
+        col1, col2, col3 = st.columns([1, 3, 1])
+        with col1:
+            if st.button("⬅️ Previous", disabled=st.session_state.page_number == 0):
+                st.session_state.page_number -= 1
+                st.rerun()
+
+        with col2:
+            st.markdown(f"""
+                <div class="pagination-info" style="text-align: center">
+                    Page {st.session_state.page_number + 1} of {total_pages}<br>
+                    Showing rows {start_idx + 1} to {end_idx} of {total_rows}
+                </div>
+            """, unsafe_allow_html=True)
+
+        with col3:
+            if st.button("Next ➡️", disabled=st.session_state.page_number >= total_pages - 1):
+                st.session_state.page_number += 1
+                st.rerun()
+
+
         # Download filtered results
         st.download_button(
             label="Download Filtered Results",