/GUI/Generic/MenuLists.py

 1#
 2#		Python GUI - Menu Lists - Generic
 3#
 4
 5class MenuList(list):
 6    """A MenuList is a sequence of Menus with methods for finding
 7    menus and menu items by command."""
 8    
 9    def menu_with_command(self, cmd):
10        """Returns the menu containing the given command, or None
11        if there is no such menu in the list."""
12        for menu in self:
13            if menu.item_with_command(cmd):
14                return menu
15        return None
16    
17    def item_with_command(self, cmd):
18        """Returns the menu item having the given command, or None
19        if there is no such item."""
20        for menu in self:
21            item = menu.item_with_command(cmd)
22            if item:
23                return item
24        return None