Update app.py

app.py

@@ -663,7 +663,7 @@ def show_field(f: Field, index: int, data_collected):
                     st.session_state.following_mandatory = True
 
         if f.mandatory or st.session_state.following_mandatory:
-            f.title += " :red[* required!]" if (validation_error and not SHOW_VALIDATION_ERROR_MESSAGE) else' :red[*]'
+            f.title += " :green[* required!]" if (validation_error and not SHOW_VALIDATION_ERROR_MESSAGE) else' :green[*]'
         f.help = None
         
     value = st.session_state[key] if key in st.session_state else \
@@ -890,8 +890,19 @@ if 'current_index' not in st.session_state:
         st.session_state.current_index = start_index+1
     st.session_state.form_displayed = -2
 
-if 'step' not in st.session_state:
-    st.session_state.step = 0
+    data = read_saved_data(st.session_state.current_index)
+    if data is None:
+        st.session_state.step = 0
+    else:
+        for s, page_fields in enumerate(STEPS):
+            if not page_completed(page_fields, data, st.session_state.current_index):
+                st.session_state.step = s
+                break
+        else:
+            st.session_state.step = len(STEPS) - 1
+else:
+    if 'step' not in st.session_state:
+        st.session_state.step = 0
 
 if get_param_from_url('show_extra_fields'):
     fields1 += url_conditional_fields
@@ -939,9 +950,9 @@ elif st.session_state.current_index < len(st.session_state.data):
     show_fields(STEPS[step])
 
     # Action buttons
-    c1, c2, c3 = st.columns([5,3,2])
+    c1, c2, c3 = st.columns([4,5,4])
     with c1:
-        label = "**:red[Submit]**" if step < total_steps - 1 else "**:red[Submit & next session]**"
+        label = "**:green[Submit]**" if step < total_steps - 1 else "**:green[Submit & next session]**"
         if st.button(label):
             if validate_current_page(STEPS[step], st.session_state.current_index):
                 is_last_page = (step == total_steps - 1)
@@ -957,7 +968,7 @@ elif st.session_state.current_index < len(st.session_state.data):
                     st.session_state.step += 1
                     st.rerun()
     with c2:
-        if st.button("Previous"):
+        if st.button(":grey[Previous]"):
             if step > 0:
                 st.session_state.step -= 1
                 st.rerun()
@@ -967,8 +978,6 @@ elif st.session_state.current_index < len(st.session_state.data):
                 st.rerun()
 elif st.session_state.current_index == len(st.session_state.data):
     st.write(f"**Thank you for taking part in this study!** \n ")
-#    if st.button("Previous"):
-#        navigate(-2)
 
 # Navigation buttons
 #if 0 < st.session_state.current_index < len(st.session_state.data):