Update app.py

app.py

@@ -36,6 +36,9 @@ header_buttons = pn.Column(sizing_mode='stretch_width', css_classes=['header-but
 # "+" button to trigger the addition to the header
 add_to_header_button = pn.widgets.Button(name="Add to Header", button_type='primary')
 
+# "Add" button to add selected options to the header
+add_button = pn.widgets.Button(name="Add", button_type='primary')
+
 # List to store the names of buttons to be added to the header
 buttons_to_add = []
 
@@ -48,17 +51,21 @@ def add_to_header(event):
 
 add_to_header_button.on_click(add_to_header)
 
-# Function to update the header layout with the newly created buttons
-def update_header():
-    # header_buttons.clear()  # Clear the existing buttons
-    for button_name in buttons_to_add:
-        new_button = pn.widgets.Button(name=button_name, width=130, sizing_mode='fixed')
-        # header_buttons.append(new_button)
+# Callback for the "Add" button to add the selected options to the header buttons
+def add_selected_to_header(event):
+    if buttons_to_add:
+        for button_name in buttons_to_add:
+            new_button = pn.widgets.Button(name=button_name, width=130, sizing_mode='fixed')
+            header_buttons.append(new_button)
+
+        buttons_to_add.clear()  # Clear the list after adding the buttons
+
+add_button.on_click(add_selected_to_header)
 
 # Layout using Template
 template = pn.template.FastListTemplate(
     title="EasySciRead",
-    header=[pn.Row(update_header(), sizing_mode='stretch_width'), pn.Row(filter_list, add_to_header_button)],
+    header=[pn.Row(header_buttons, sizing_mode='stretch_width'), pn.Row(filter_list, add_to_header_button, add_button)],
     main=[
         # pn.Row(header_buttons),
         pn.Column(text),