[Zope3-checkins] CVS: Zope3/src/zope/app/dublincore - creatorannotator.py:1.1 configure.zcml:1.3

[Christian Theune]

Update of /cvs-repository/Zope3/src/zope/app/dublincore
In directory cvs.zope.org:/tmp/cvs-serv6346/dublincore

Modified Files:
	configure.zcml 
Added Files:
	creatorannotator.py 
Log Message:
 - Added creator annotations which are set on the ObjectModified and ObjectCreated
   events. They list all users that took part on authoring the content. 
   


=== Added File Zope3/src/zope/app/dublincore/creatorannotator.py ===
##############################################################################
#
# Copyright (c) 2002 Zope Corporation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (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.
#
##############################################################################
"""Object that takes care of annotating the dublin core creator field.

$Id: creatorannotator.py,v 1.1 2003/03/27 12:51:46 ctheune Exp $
"""
__metaclass__ = type

from zope.component import getAdapter
from zope.app.interfaces.dublincore import IZopeDublinCore
from zope.app.interfaces.event import ISubscriber
from zope.security.management import getSecurityManager

class CreatorAnnotatorClass:
    """Update Dublin-Core creator property
    """
    __implements__ = ISubscriber

    def notify(self, event):
        dc = getAdapter(event.object, IZopeDublinCore)
        if dc is None:
            return
 
        # Try to find a principal for that one. If there
        # is no principal then we don't touch the list
        # of creators.
        principal = getSecurityManager().getPrincipal()
        if principal is None:
            return
        principalid = principal.getId()
        if not principalid in dc.creators:
            dc.creators = dc.creators + (principalid, )

CreatorAnnotator = CreatorAnnotatorClass()


=== Zope3/src/zope/app/dublincore/configure.zcml 1.2 => 1.3 ===
--- Zope3/src/zope/app/dublincore/configure.zcml:1.2	Wed Dec 25 09:12:50 2002
+++ Zope3/src/zope/app/dublincore/configure.zcml	Thu Mar 27 07:51:46 2003
@@ -18,4 +18,8 @@
       event_types = "zope.app.interfaces.event.IObjectCreatedEvent"
       />
 
+  <event:subscribe
+    subscriber=".creatorannotator.CreatorAnnotator"
+    event_types="zope.app.interfaces.event.IObjectModifiedEvent zope.app.interfaces.event.IObjectCreatedEvent"/>
+
 </zopeConfigure>