src/pyams_content/shared/news/manager.py
changeset 0 7c0001cacf8e
child 139 99a481dc4c89
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_content/shared/news/manager.py	Thu Oct 08 13:37:29 2015 +0200
@@ -0,0 +1,47 @@
+#
+# Copyright (c) 2008-2015 Thierry Florac <tflorac AT ulthar.net>
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+
+__docformat__ = 'restructuredtext'
+
+
+# import standard library
+
+# import interfaces
+from pyams_content.component.theme.interfaces import IThemesManagerTarget
+from pyams_content.shared.news.interfaces import INewsManager, NEWS_CONTENT_TYPE
+from zope.annotation.interfaces import IAttributeAnnotatable
+from zope.component.interfaces import ISite
+from zope.lifecycleevent.interfaces import IObjectAddedEvent
+
+# import packages
+from pyams_content.shared.common.manager import SharedTool
+from pyams_content.shared.news import NewsEvent
+from pyams_utils.traversing import get_parent
+from pyramid.events import subscriber
+from zope.interface import implementer
+
+
+@implementer(INewsManager, IThemesManagerTarget, IAttributeAnnotatable)
+class NewsManager(SharedTool):
+    """News manager class"""
+
+    shared_content_type = NEWS_CONTENT_TYPE
+    shared_content_factory = NewsEvent
+
+
+@subscriber(IObjectAddedEvent, context_selector=INewsManager)
+def handle_added_news_manager(event):
+    """Register news manager when added"""
+    site = get_parent(event.newParent, ISite)
+    registry = site.getSiteManager()
+    if registry is not None:
+        registry.registerUtility(event.object, INewsManager)