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menu.py
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menu.py
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from copy import deepcopy
from django.utils.encoding import python_2_unicode_compatible
class MenuItem(object):
def __init__(self, title, collapsible, group, active=False, submenu_items=[]):
self.title = title
self.collapsible = collapsible
self.submenu_items = submenu_items
self.group = group
self.active = active
@python_2_unicode_compatible
class LinkMenuItem(MenuItem):
def __init__(self, title, url, group=None, active=False, submenu_items=[]):
super(LinkMenuItem, self).__init__(title, False, group, active, submenu_items)
self.url = url
def __str__(self):
return self.title
class CollapsibleMenuItem(MenuItem):
def __init__(self, title, url=None, group=None, active=False, submenu_items=[]):
super(CollapsibleMenuItem, self).__init__(title, True, group, active, submenu_items)
self.url = url
class MenuGenerator(object):
default_menu_item_class = LinkMenuItem
def __init__(self, request, site, active_groups):
self.request = request
self.site = site
self.active_groups = active_groups
def get_core(self, core_name):
from .main import UIISCore
core = self.site._registry.get(core_name)
return core if isinstance(core, UIISCore) else None
def get_menu_item(self, core_name, group=None):
core = self.get_core(core_name)
return core.get_menu_item(self.request, group, self.default_menu_item_class) if core else None
def get_menu_items(self, items):
if self.active_groups:
group = self.active_groups[0]
else:
group = None
for item in items:
if isinstance(item, MenuItem):
menu_item = deepcopy(item)
if menu_item.submenu_items:
menu_item.submenu_items = list(self.get_menu_items(item.submenu_items))
yield menu_item
else:
menu_item = self.get_menu_item(item, group)
if menu_item:
yield menu_item
def get_menu_structure(self):
return self.site._registry.keys()