def __iter__(self):
for item in self.previous:
pathkey = self.pathkey(*item.keys())[0]
if not pathkey:
yield item; continue
type_ = item.get(self.flagkey, None)
newtype = item.get('_type', None)
if type_ != 'Blog' and newtype != 'Large Plone Folder':
yield item; continue
path = item[pathkey]
obj = self.context.unrestrictedTraverse(path, None)
if obj is None: # path doesn't exist
yield item; continue
if type_ == 'Blog' and newtype == 'Large Plone Folder':
# mark as blog
if not IWeblogEnhanced.providedBy(obj) and \
IPossibleWeblog.providedBy(obj):
alsoProvides(obj, IWeblogEnhanced)
event.notify(WeblogActivationEvent(obj))
yield item
# reindex provided interfaces
catalog = utils.getToolByName(self.context, 'portal_catalog')
catalog.reindexIndex('object_provides', None)
def __call__(self):
if IWeblogEnhanced.providedBy(self.context):
# deactivate blog
event.notify(WeblogDeactivationEvent(self.context))
noLongerProvides(self.context, IWeblogEnhanced)
msg = 'blog deactivated'
elif IPossibleWeblog.providedBy(self.context):
alsoProvides(self.context, IWeblogEnhanced)
event.notify(WeblogActivationEvent(self.context))
msg = 'blog activated'
else:
msg = 'not bloggable'
# XXX This should set the status message with something like:
# from Products.statusmessages.interfaces import IStatusMessage
# IStatusMessage(self.request).addStatusMessage(msg, type='info')
url = self.context.absolute_url() + '?portal_status_message=' + msg
self.request.response.redirect(url)
def render(self):
if not IWeblogEnhanced.providedBy(self.context):
return super(ConditionalViewletManager, self).render()
return u''
def can_deactivate(self):
return IWeblogEnhanced.providedBy(self.context)
def can_activate(self):
return IPossibleWeblog.providedBy(self.context) and \
not IWeblogEnhanced.providedBy(self.context)