cms_toolbars.py 文件源码

def get_insert_position(admin_menu, item_name):
        """
        Ensures that there is a SHORTCUTS_BREAK and returns a position for an
        alphabetical position against all items between SHORTCUTS_BREAK, and
        the ADMINISTRATION_BREAK.
        """
        start = admin_menu.find_first(Break, identifier=SHORTCUTS_BREAK)
        if not start:
            end = admin_menu.find_first(Break, identifier=ADMINISTRATION_BREAK)
            admin_menu.add_break(SHORTCUTS_BREAK, position=end.index)
            start = admin_menu.find_first(Break, identifier=SHORTCUTS_BREAK)
        end = admin_menu.find_first(Break, identifier=ADMINISTRATION_BREAK)

        items = admin_menu.get_items()[start.index + 1: end.index]
        for idx, item in enumerate(items):
            try:
                if force_text(item_name.lower()) < force_text(item.name.lower()):
                    return idx + start.index + 1
            except AttributeError:
                # Some item types do not have a 'name' attribute.
                pass
        return end.index