source: products/quintagroup.dropdownmenu/trunk/quintagroup/dropdownmenu/browser/menu.py @ 3153

# -*- coding: utf-8 -*-
from zope.interface import implements

from Products.CMFPlone.browser.navtree import SitemapQueryBuilder
from Products.CMFPlone.browser.navtree import DefaultNavtreeStrategy

from plone.app.layout.navigation.interfaces import INavtreeStrategy
from plone.app.layout.navigation.interfaces import INavigationQueryBuilder

from quintagroup.dropdownmenu.util import getDropDownMenuSettings


class DropDownMenuQueryBuilder(SitemapQueryBuilder):

    implements(INavigationQueryBuilder)

    def __init__(self, context):
        super(DropDownMenuQueryBuilder, self).__init__(context)
        self.context = context

        # customize depth according to dropdown menu settings
        if self._settings.content_tabs_level > 0:
            self.query['path']['depth'] = self._settings.content_tabs_level
        elif 'depth' in self.query['path']:
            del self.query['path']['depth']

        # constrain non-folderish objects if required
        if not self._settings.show_nonfolderish_tabs:
            self.query['is_folderish'] = True

    @property
    def _settings(self):
        """Fetch dropdown menu settings registry"""
        return getDropDownMenuSettings(self.context)


class DropDownMenuStrategy(DefaultNavtreeStrategy):

    implements(INavtreeStrategy)

    def __init__(self, context, view=None):
        super(DropDownMenuStrategy, self).__init__(context, view)
        self.bottomLevel = self._settings.content_tabs_level

    @property
    def _settings(self):
        """Fetch dropdown menu settings registry"""
        return getDropDownMenuSettings(self.context)