Update app.py

app.py

@@ -30,22 +30,23 @@ filter_list = pn.widgets.MultiChoice(
     button_type='default'
 )
 
-# "+" button to show the search options
-add_option_button = pn.widgets.Button(icon='search', name="", icon_size='2em', width=60, height=30)
+# Create buttons for the header
+header_buttons = []
 
-# Callback for the "+" button to add the selected option to the filter list
-def add_new_option(event):
+# Callback for adding selected option to the header as a button
+def add_to_header(event):
     selected_option = filter_list.value
     if selected_option:
-        entered_options.remove(selected_option[0])  # Remove the selected option from the list
-        filter_list.options = entered_options  # Update the filter_list options
+        new_button = pn.widgets.Button(name=selected_option[0], width=130, sizing_mode='fixed')
+        header_buttons.append(new_button)
+        filter_list.value = []  # Clear the selected option after adding it to the header
 
-add_option_button.on_click(add_new_option)
+filter_list.param.watch(add_to_header, 'value')
 
 # Layout using Template
 template = pn.template.FastListTemplate(
     title="EasySciRead",
-    header=[pn.Row(filter_list, add_option_button)],
+    header=[pn.Row(filter_list), pn.Row(header_buttons, sizing_mode='stretch_width')],
     sidebar=[buttons],
     main=[
         pn.Column(text),