Update app2.py

app2.py

@@ -74,11 +74,11 @@ current_state = 'main_panel'  # Variable to keep track of the current state
 # Function to reset the main panel content to the initial content and store the previous content
 def reset_main_panel(event):
     global previous_content, current_state
-    current_state = 'main_panel'
     # Store the previous content of the current state if it's not already stored
-    if current_state not in previous_content:
+    if current_state in previous_content:
         previous_content[current_state] = main_body_instance.main_body.copy()
 
+    current_state = 'main_panel'  # Update the current state
     # Reset the main panel to the initial state
     main_body_instance.main_body.clear()  # Clear the existing main panel content
     main_body_instance.main_body.append(pn.pane.LaTeX("Please select some tags!", styles={'font-size': '20pt'}))
@@ -88,13 +88,11 @@ def reset_main_panel(event):
 def update_main_panel_button3(event):
     global previous_content, current_state
     # Store the previous content of the current state if it's not already stored
-    if current_state not in previous_content:
+    if current_state in previous_content:
         previous_content[current_state] = main_body_instance.main_body.copy()
 
-    # Update the current state to main_panel_button3
-    current_state = 'main_panel_button3'
-
-    # Reset the main panel to the desired content when button3 is pressed
+    current_state = 'main_panel_button3'  # Update the current state
+    # Update the main panel to the desired content when button3 is pressed
     main_body_instance.main_body.clear()  # Clear the existing main panel content
     main_body_instance.main_body.append(pn.pane.Markdown("You pressed button3!"))
     main_body_instance.param.trigger('main_body')  # Trigger the update manually