def breadcrumbs(request, context={}, resolver_match=None, path=None):
if path.endswith('/'):
path = path[:-1]
if path != request.path:
return
obj = context['object']
breadcrumb_list = []
while isinstance(obj, IndexableFedoraObject):
object_id = id_from_path(obj.pk, initkwargs.get('fedora_prefix', None))
if object_id:
breadcrumb_list.insert(0, (
reverse('%s:%s' % (resolver_match.app_name, resolver_match.url_name),
kwargs={'id': object_id}),
str(rdf2lang(obj.title))
))
else:
# reached root of the portion of repository given by fedora_prefix
break
parent_id = obj.fedora_parent_uri
if parent_id:
obj = FedoraObject.objects.get(pk=parent_id)
else:
# reached root of the repository
break
return breadcrumb_list
def _get_title():
try:
idd = id
if fedora_prefix:
idd = fedora_prefix + '/' + idd
return rdf2lang(FedoraObject.objects.get(pk=idd).title,
lang=lang)
except:
import traceback
traceback.print_exc()
return None
def _format_value(self, value):
from fedoralink_ui.templatetags.fedoralink_tags import rdf2lang
if isinstance(value, StringLikeList):
# TODO: implement correctly multi-valued fields !!!
print("Bad implementation - implement correctly multi-valued fields!")
if len(value)>0:
value = value[0]
else:
value = None
if isinstance(value, FedoraObject):
if DC.title in value.metadata:
value = (rdf2lang(value.metadata[DC.title]), str(value.id))
else:
value = (str(value.id), str(value.id))
return value
def _format_value(self, value):
from fedoralink_ui.templatetags.fedoralink_tags import rdf2lang
if isinstance(value, StringLikeList):
# TODO: implement correctly multi-valued fields !!!
print("Bad implementation - implement correctly multi-valued fields!")
if len(value)>0:
value = value[0]
else:
value = None
if isinstance(value, FedoraObject):
if DC.title in value.metadata:
value = (rdf2lang(value.metadata[DC.title]), str(value.id))
else:
value = (str(value.id), str(value.id))
return value
def cache_breadcrumbs(obj):
if getattr(settings, 'USE_BREADCRUMBS'):
from django.core.cache import cache
from fedoralink_ui.templatetags.fedoralink_tags import rdf2lang
import django.utils.translation
lang = django.utils.translation.get_language()
if cache.get('title__%s/__%s' % (obj.local_id, lang)):
return
local_id = obj.local_id
prefix = obj.id[:-len(local_id)]
ids = local_id.split('/')
ids = [prefix + '/'.join(ids[:k]) for k in range(1, len(ids) + 1)]
for found_obj in DCObject.objects.filter(pk__in=ids):
cache.set('title__%s__%s' % (found_obj.local_id, lang),
rdf2lang(found_obj.title, lang=lang), 3600)
