support language switcher for post detail view, add navigation modifier to select current category in the menu when in post detail view
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@ -1,6 +1,6 @@
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# -*- coding: utf-8 -*-
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from cms.menu_bases import CMSAttachMenu
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from menus.base import NavigationNode
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from menus.base import Modifier, NavigationNode
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from menus.menu_pool import menu_pool
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from django.db.models.signals import post_save, post_delete
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from django.utils.translation import ugettext_lazy as _, get_language
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@ -28,6 +28,30 @@ class BlogCategoryMenu(CMSAttachMenu):
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menu_pool.register_menu(BlogCategoryMenu)
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class BlogNavModifier(Modifier):
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"""
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This navigation modifier makes sure that when
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a particular blog post is viewed,
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a corresponding category is selected in menu
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"""
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def modify(self, request, nodes, namespace, root_id, post_cut, breadcrumb):
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if not post_cut: return nodes
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if not hasattr(request, 'toolbar'):
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return nodes
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if request.toolbar.get_object_model() != 'djangocms_blog.post':
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return nodes
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cat = request.toolbar.obj.categories.first()
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if not cat: return nodes
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for node in nodes:
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if (node.namespace == BlogCategoryMenu.__name__ and
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cat.pk == node.id):
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node.selected = True
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break
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return nodes
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menu_pool.register_modifier(BlogNavModifier)
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def clear_menu_cache(**kwargs):
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menu_pool.clear(all=True)
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