def objects(self):
"""The objects for which we want breadcrumbs."""
# Start the chain with the deepest object that has a breadcrumb.
try:
objects = [(
obj for obj in reversed(self.request.traversed_objects)
if IBreadcrumb(obj, None)).next()]
except StopIteration:
return []
# Now iterate. If an object has a breadcrumb, it can override
# its parent. Otherwise we just follow the normal URL hierarchy
# until we reach the end.
while True:
next_obj = None
breadcrumb = IBreadcrumb(objects[0], None)
if breadcrumb is not None:
next_obj = breadcrumb.inside
if next_obj is None:
urldata = ICanonicalUrlData(objects[0], None)
if urldata is not None:
next_obj = urldata.inside
if next_obj is None:
break
objects.insert(0, next_obj)
return objects
def items(self):
"""Return a list of `IBreadcrumb` objects visible in the hierarchy.
The list starts with the breadcrumb closest to the hierarchy root.
"""
breadcrumbs = []
for obj in self.objects:
breadcrumb = IBreadcrumb(obj, None)
if breadcrumb is not None:
breadcrumbs.append(breadcrumb)
facet = queryUtility(IFacet, name=get_facet(self._naked_context_view))
if breadcrumbs and facet is not None:
# We have breadcrumbs and we're on a custom facet, so we'll
# sneak an extra breadcrumb for the facet we're on.
# Iterate over the context of our breadcrumbs in reverse order and
# find the first one that implements IMultiFactedBreadcrumb.
# It'll be facet-agnostic, so insert a facet-specific one
# after it.
for idx, breadcrumb in reversed(list(enumerate(breadcrumbs))):
if IMultiFacetedBreadcrumb.providedBy(breadcrumb):
facet_crumb = Breadcrumb(
breadcrumb.context, rootsite=facet.rootsite,
text=facet.text)
alsoProvides(facet_crumb, IFacetBreadcrumb)
breadcrumbs.insert(idx + 1, facet_crumb)
# Ensure that all remaining breadcrumbs are
# themselves faceted.
for remaining_crumb in breadcrumbs[idx + 1:]:
remaining_crumb.rootsite_override = facet.rootsite
break
if len(breadcrumbs) > 0:
breadcrumbs.extend(self.makeBreadcrumbsForRequestedPage())
return breadcrumbs
def items(self):
"""Return a list of `IBreadcrumb` objects visible in the hierarchy.
The list starts with the breadcrumb closest to the hierarchy root.
"""
breadcrumbs = []
for obj in self.objects:
breadcrumb = IBreadcrumb(obj, None)
if breadcrumb is not None:
breadcrumbs.append(breadcrumb)
host = URI(self.request.getURL()).host
mainhost = allvhosts.configs['mainsite'].hostname
if (len(breadcrumbs) != 0 and
host != mainhost and
self.vhost_breadcrumb):
# We have breadcrumbs and we're not on the mainsite, so we'll
# sneak an extra breadcrumb for the vhost we're on.
vhost = host.split('.')[0]
# Iterate over the context of our breadcrumbs in reverse order and
# for the first one we find an adapter named after the vhost we're
# on, generate an extra breadcrumb and insert it in our list.
for idx, breadcrumb in reversed(list(enumerate(breadcrumbs))):
extra_breadcrumb = queryAdapter(
breadcrumb.context, IBreadcrumb, name=vhost)
if extra_breadcrumb is not None:
breadcrumbs.insert(idx + 1, extra_breadcrumb)
break
if len(breadcrumbs) > 0:
page_crumb = self.makeBreadcrumbForRequestedPage()
if page_crumb:
breadcrumbs.append(page_crumb)
return breadcrumbs
def text(self):
return IBreadcrumb(self.context.distroseries).text
def test_breadcrumb(self):
# Person products give the product as their breadcrumb url.
pp = self._makePersonProduct()
breadcrumb = IBreadcrumb(pp, None)
self.assertEqual(canonical_url(pp.product), breadcrumb.url)
def test_breadcrumb(self):
# Person DSPs give the DSP as their breadcrumb url.
pdsp = self._makePersonDistributionSourcePackage()
breadcrumb = IBreadcrumb(pdsp, None)
self.assertEqual(canonical_url(pdsp.distro_source_package),
breadcrumb.url)