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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2010-2017 Étienne Loks <etienne.loks_AT_peacefrogsDOTnet>
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# See the file COPYING for details.
"""
Menus
"""
from django.conf import settings
from django.core.urlresolvers import reverse
_extra_menus = []
# collect menu from INSTALLED_APPS
for app in settings.INSTALLED_APPS:
mod = __import__(app, fromlist=['ishtar_menu'])
if hasattr(mod, 'ishtar_menu'):
menu = getattr(mod, 'ishtar_menu')
_extra_menus += menu.MENU_SECTIONS
# sort
__section_items = [mnu for order, mnu in sorted(_extra_menus,
key=lambda x:x[0])]
# regroup menus
_section_items, __keys = [], []
for section_item in __section_items:
if section_item.idx not in __keys:
__keys.append(section_item.idx)
_section_items.append(section_item)
continue
section_childs = _section_items[__keys.index(section_item.idx)].childs
childs_idx = [child.idx for child in section_childs]
for child in section_item.childs:
if child.idx not in childs_idx:
section_childs.append(child)
class Menu:
childs = _section_items
def __init__(self, user, current_action=None, session=None):
self.user = user
self.initialized = False
self.items = {}
self.current_action = current_action
self.current_section = None
self.current_url = None
self.current_section = ""
self.current_sections = []
self.current_subsection = ""
self.current_subsections = []
self.current_subsubsection = ""
self.current_subsubsections = []
self.selected_idx = None
self.session = session
self.items_by_idx = {}
def init(self):
if self.initialized:
return
self.items = {}
self.items_by_idx = {}
for idx, main_menu in enumerate(self.childs):
self.items_by_idx[main_menu.idx] = main_menu
for child in main_menu.childs:
self.items_by_idx[child.idx] = child
if hasattr(child, 'childs'):
for subchild in child.childs:
self.items_by_idx[subchild.idx] = subchild
selected = main_menu.set_items(
self.user, self.items,
self.current_action, session=self.session)
if selected:
self.selected_idx = idx
self.initialized = True
def get_current_selection(self, current_path):
# current_section, current_subsection, etc. are current labels
# current_sections, current_subsections, etc. are list of:
# (label, url, has_children)
self.current_section = ''
self.current_sections = []
self.current_subsection = ""
self.current_subsections = []
self.current_subsubsection = ""
self.current_subsubsections = []
self.current_url = None
for section in self.childs:
if not section.available:
continue
section_url = None
subsections = []
if not self.current_section:
# initialize by default with the first section
self.current_section = section.label
selected_section = None
for menu_item in section.childs:
if not menu_item.available:
continue
if not hasattr(menu_item, 'childs') or not menu_item.childs:
item_url = reverse('action', args=[menu_item.idx])
if not section_url:
section_url = item_url
subsections.append([menu_item.label, item_url, False])
if item_url in current_path:
self.current_url = item_url
self.current_section = section.label
self.current_subsection = menu_item.label
selected_section = True
continue
subsection_url = None
selected_subsection = None
subsubsections = []
for menu_subitem in menu_item.childs:
if not menu_subitem.available:
continue
item_url = reverse('action', args=[menu_subitem.idx])
if not section_url:
section_url = item_url
if not subsection_url:
subsection_url = item_url
subsections.append([menu_item.label, item_url, True])
subsubsections.append([menu_subitem.label, item_url, False])
if item_url in current_path:
self.current_url = item_url
self.current_section = section.label
self.current_subsection = menu_item.label
self.current_subsubsection = menu_subitem.label
selected_section = True
selected_subsection = True
if selected_subsection:
self.current_subsubsections = subsubsections
if selected_section:
self.current_subsections = subsections
if not section_url:
section_url = "/"
self.current_sections.append([section.label, section_url,
bool(subsections)])
menu = Menu(None)
menu.init()
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