Updates

app.py

@@ -23,6 +23,10 @@ if 'pdf_data' not in st.session_state:
     st.session_state.pdf_data = None
 if 'selected_answer' not in st.session_state:
     st.session_state.selected_answer = None
+if 'submit_enabled' not in st.session_state:
+    st.session_state.submit_enabled = False
+if 'new_enabled' not in st.session_state:
+    st.session_state.new_enabled = False
 
 def reset_pdf_cache():
     st.session_state.pdf_data = None
@@ -96,8 +100,8 @@ def generate_new_question(module_name, module):
     question_data['answered'] = False
     question_data['module'] = module_name
     question_data['selected'] = None
-    if len(question_data['options']) != 4:
-        st.warning(f"Question in module '{module_name}' does not have 4 options. Found {len(question_data['options'])}.")
+    st.session_state.submit_enabled = False  # Disable submit initially
+    st.session_state.new_enabled = False  # Disable new initially
     return question_data
 
 def navigate_question(direction):
@@ -159,46 +163,57 @@ with col3:
 
 st.write(current_question["question"])
 
+# Create the form for the question
+selected_answer = st.radio(
+    "Choose an answer:", 
+    options=current_question['options'], 
+    key=f"question_{st.session_state.current_index}_options",
+    index=None  # Ensure no option is pre-selected
+)
+
+# Enable submit if an option is selected
+if selected_answer:
+    st.session_state.submit_enabled = True
+
 # Submit/New actions as radio buttons
 action = st.radio(
     "Choose an action:",
     ("Submit", "New"),
     index=0 if not current_question['answered'] else 1,
     key="action_radio",
+    disabled=not st.session_state.submit_enabled and not st.session_state.new_enabled,
     horizontal=True
 )
 
-if action == "Submit":
-    selected_answer = st.radio(
-        "Choose an answer:",
-        options=current_question['options'],
-        key=f"question_{st.session_state.current_index}_options",
-        index=None  # Ensure no option is pre-selected
-    )
-
-    if selected_answer:
-        # Process the answer
-        current_question['selected'] = selected_answer
-        current_question['answered'] = True
-        st.session_state.module_question_count[selected_module] += 1
-
-        if selected_answer == current_question['correct_answer']:
-            st.session_state.correct_count += 1
-            st.session_state.module_correct_count[selected_module] += 1
-
-        # Display correct/incorrect feedback
-        for option in current_question['options']:
-            if option == current_question['correct_answer']:
-                st.markdown(f"<span style='color:green;'>{option} ✅</span>", unsafe_allow_html=True)
-            elif option == current_question['selected']:
-                st.markdown(f"<span style='color:red;'>{option} ❌</span>", unsafe_allow_html=True)
-            else:
-                st.markdown(f"{option}")
-        
-        st.write(f"**Explanation:** {current_question['explanation']}")
-        st.write("**Step-by-Step Solution:**")
-        for step in current_question['step_by_step_solution']:
-            st.write(step)
-
-elif action == "New":
+if action == "Submit" and st.session_state.submit_enabled:
+    # Process the answer
+    current_question['selected'] = selected_answer
+    current_question['answered'] = True
+    st.session_state.module_question_count[selected_module] += 1
+
+    if selected_answer == current_question['correct_answer']:
+        st.session_state.correct_count += 1
+        st.session_state.module_correct_count[selected_module] += 1
+
+    # Display correct/incorrect feedback
+    for option in current_question['options']:
+        if option == current_question['correct_answer']:
+            st.markdown(f"<span style='color:green;'>{option} ✅</span>", unsafe_allow_html=True)
+        elif option == current_question['selected']:
+            st.markdown(f"<span style='color:red;'>{option} ❌</span>", unsafe_allow_html=True)
+        else:
+            st.markdown(f"{option}")
+    
+    st.write(f"**Explanation:** {current_question['explanation']}")
+    st.write("**Step-by-Step Solution:**")
+    for step in current_question['step_by_step_solution']:
+        st.write(step)
+
+    # Disable submit and enable new
+    st.session_state.submit_enabled = False
+    st.session_state.new_enabled = True
+
+elif action == "New" and st.session_state.new_enabled:
     navigate_question("new")
+    st.session_state.submit_enabled = False
+    st.session_state.new_enabled = False