def ModifiedAnnotator(event):
dc = IZopeDublinCore(event.object, None)
if dc is not None:
# Principals that can modify objects do not necessary have permissions
# to arbitrarily modify DC data, see issue 373
dc = removeSecurityProxy(dc)
dc.modified = datetime.now(pytz.utc)
def CreatorAnnotator(event):
"""Update Dublin-Core creator property"""
dc = IZopeDublinCore(event.object, None)
# Principals that can create object do not necessarily have
# 'zope.app.dublincore.change' permission. See issue 373.
dc = removeSecurityProxy(dc)
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.
interaction = queryInteraction()
if interaction is not None:
for participation in interaction.participations:
principalid = participation.principal.id
if not principalid in dc.creators:
dc.creators = dc.creators + (unicode(principalid), )
def edit(self):
request = self.request
formatter = self.request.locale.dates.getFormatter('dateTime', 'medium')
dc = IZopeDublinCore(self.context)
message=''
if 'dctitle' in request:
dc.title = unicode(request['dctitle'])
dc.description = unicode(request['dcdescription'])
description = Attributes(IZopeDublinCore, 'title', 'description')
notify(ObjectModifiedEvent(self.context, description))
message = _("Changed data ${datetime}",
mapping={'datetime': formatter.format(datetime.utcnow())})
return {
'message': message,
'dctitle': dc.title,
'dcdescription': dc.description,
'modified': (dc.modified or dc.created) and \
formatter.format(dc.modified or dc.created) or '',
'created': dc.created and formatter.format(dc.created) or '',
'creators': dc.creators
}