Update app.py

app.py

@@ -20,23 +20,11 @@ text = pn.pane.Markdown(instructions)
 # List to store the entered options
 entered_options = ["option1", "option2", "option3", "option5", "option6", "option7", "option8", "option9"]
 
-# MultiChoice widget to display the filter options
-filter_list = pn.widgets.MultiChoice(
-    name='',
-    value=[],
-    options=entered_options,
-    margin=(20, 10),
-    sizing_mode='fixed',
-    styles={'background': '#f0f0f0'},
-    placeholder = "Search Topics"
-    
-)
-
 # Create buttons for the header
 header_buttons = pn.Row(sizing_mode='stretch_width', css_classes=['header-buttons'])
 
 # "+" button to trigger the addition to the header
-add_to_header_button = pn.widgets.Button(name="",icon='search', icon_size='1.5em', styles={'background': '#f0f0f0'})
+add_to_header_button = pn.widgets.Button(name="",icon='search', icon_size='1.5em', button_type='default', styles={'background': '#f0f0f0'})
 
 # List to store the names of buttons to be added to the header
 buttons_to_add = []
@@ -58,12 +46,25 @@ def update_header():
         new_button = pn.widgets.Button(name=button_name, width = 50, sizing_mode='fixed')
         header_buttons.append(new_button)
         
+    # Update the filter list options to exclude buttons that are already in the header
+    filter_list.options = [option for option in entered_options if option not in buttons_to_add]
+
+# MultiChoice widget to display the filter options with delete buttons
+filter_list = pn.widgets.MultiChoice(
+    name='',
+    value=[],
+    options=entered_options,
+    margin=(20, 10),
+    sizing_mode='fixed',
+    styles={'background': '#f0f0f0'},
+    placeholder="Search Topics"
+)
+
 # Layout using Template
 template = pn.template.FastListTemplate(
     title="EasySciRead",
-    header=[pn.Row(header_buttons, width = 800, sizing_mode='fixed'), pn.Row(filter_list, width = 250), pn.Row(add_to_header_button,width = 55)],
+    header=[pn.Row(header_buttons, width=800, sizing_mode='fixed'), pn.Row(filter_list, width=250), pn.Row(add_to_header_button, width=55)],
     main=[
-        # pn.Row(header_buttons),
         pn.Column(text),
     ],
     sidebar=[buttons],