Update app2.py

app2.py

@@ -65,12 +65,19 @@ def toggle_settings(event):
 
 button3.param.watch(toggle_settings, 'value')
 
+# Store the initial content of the main panel
+initial_main_panel_content = pn.pane.LaTeX("Please select some tags!", styles={'font-size': '20pt'})
+
 # Function to reset the main panel content to the initial content
 def reset_main_panel(event):
-    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'}))
-    main_body_instance.param.trigger('main_body')  # Trigger the update manually
+    # Clear the existing main panel content if it's not the initial content
+    if main_body_instance.main_body != [initial_main_panel_content]:
+        main_body_instance.main_body.clear()
+        main_body_instance.main_body.append(initial_main_panel_content)
+        main_body_instance.param.trigger('main_body')  # Trigger the update manually
 
+# Attach the reset_main_panel function to the on_click event of button1
+button1.on_click(reset_main_panel)
 
 # Function to update the main panel content when button3 is pressed
 def update_main_panel_button3(event):
@@ -79,7 +86,6 @@ def update_main_panel_button3(event):
     main_body_instance.param.trigger('main_body')  # Trigger the update manually
 
 # Attach the functions to the on_click event of button1 and button3
-button1.on_click(reset_main_panel)
 button3.on_click(update_main_panel_button3)
 
 # Create the main panel with some initial content