class BreadcrumbContentProvider(
grok.MultiAdapter, zope.contentprovider.provider.ContentProviderBase):
"""Content provider rendering the breadcrumbs."""
grok.adapter(zope.interface.Interface,
icemac.addressbook.browser.interfaces.IAddressBookLayer,
zope.interface.Interface)
grok.provides(zope.contentprovider.interfaces.IContentProvider)
grok.name('breadcrumbs')
def render(self):
return '\n'.join(self.rendered_breadcrumbs)
@property
def rendered_breadcrumbs(self):
for bc in reversed(list(self.reversed_breadcrumbs)):
yield bc.render()
@property
def reversed_breadcrumbs(self):
bc = self.get_breadcrumb(self.__parent__)
parent = bc.parent
while parent is not None:
if bc.show:
yield bc
bc = self.get_breadcrumb(parent)
parent = bc.parent
assert not bc.show, 'Found a root breadcrumb with show = True'
def get_breadcrumb(self, context):
return zope.component.getMultiAdapter((context, self.request),
IBreadcrumb)
factory4 = CaveHomeFactory(u"four") factory5 = CaveHomeFactory(u"five") factory6 = CaveFireplaceHomeFactory(u"six") factory7a = CaveHomeFactory(u"seven-a") factory7b = CaveFireplaceHomeFactory(u"seven-b") # make some direct assertions implementer(IHome)(factory3) implementer(IHome)(factory4) implementer(IHome)(factory5) implementer(IHome)(factory6) implementer(IHome)(factory7a) implementer(IHome)(factory7b) grok.adapter(Fireplace)(factory5) grok.adapter(Fireplace)(factory7a) grok.adapter(Cave, Fireplace)(factory7b) # should accept single value for adapts grok.global_adapter(factory1, Cave, IHome) # should accept tuple for adapts grok.global_adapter(factory2, (Cave, ), IHome, name=u"two") # should look at the provided interface grok.global_adapter(factory3, Cave, name=u"three") # should pick the canonical context grok.global_adapter(factory4, name=u"four") # should use __component_adapts__ grok.global_adapter(factory5, name=u"five") # should work as multi-adapter grok.global_adapter(factory6, (
class CaveFireplaceHomeFactory(object):
def __init__(self, id):
self.id = id
def __call__(self, cave, fireplace):
return Home(self.id)
factory1 = CaveHomeFactory(u"one")
factory2 = CaveHomeFactory(u"two")
factory3 = CaveHomeFactory(u"three")
factory4 = CaveHomeFactory(u"four")
factory5 = CaveHomeFactory(u"five")
factory6 = CaveFireplaceHomeFactory(u"six")
# make some direct assertions
grok.implementer(IHome)(factory3)
grok.implementer(IHome)(factory4)
grok.implementer(IHome)(factory5)
grok.implementer(IHome)(factory6)
grok.adapter(Fireplace)(factory5)
grok.global_adapter(factory1, Cave, IHome) # should accept single value for adapts
grok.global_adapter(factory2, (Cave,), IHome, name="two") # should accept tuple for adapts
grok.global_adapter(factory3, Cave, name="three") # should look at the provided interface
grok.global_adapter(factory4, name=u"four") # should pick the canonical context
grok.global_adapter(factory5, name="five") # should use __component_adapts__
grok.global_adapter(factory6, (Cave, Fireplace,)) # should work as multi-adapter
factory4 = CaveHomeFactory(u"four") factory5 = CaveHomeFactory(u"five") factory6 = CaveFireplaceHomeFactory(u"six") factory7a = CaveHomeFactory(u"seven-a") factory7b = CaveFireplaceHomeFactory(u"seven-b") # make some direct assertions implementer(IHome)(factory3) implementer(IHome)(factory4) implementer(IHome)(factory5) implementer(IHome)(factory6) implementer(IHome)(factory7a) implementer(IHome)(factory7b) grok.adapter(Fireplace)(factory5) grok.adapter(Fireplace)(factory7a) grok.adapter(Cave, Fireplace)(factory7b) # should accept single value for adapts grok.global_adapter(factory1, Cave, IHome) # should accept tuple for adapts grok.global_adapter(factory2, (Cave,), IHome, name=u"two") # should look at the provided interface grok.global_adapter(factory3, Cave, name=u"three") # should pick the canonical context grok.global_adapter(factory4, name=u"four") # should use __component_adapts__ grok.global_adapter(factory5, name=u"five") # should work as multi-adapter grok.global_adapter(factory6, (Cave, Fireplace,))
