def vocabulary_filters(vocabulary):
# Only IHugeVocabulary's have filters.
if not IHugeVocabulary.providedBy(vocabulary):
return []
supported_filters = vocabulary.supportedFilters()
# If we have no filters or just the ALL filter, then no filtering
# support is required.
filters = []
if (len(supported_filters) == 0 or
(len(supported_filters) == 1 and supported_filters[0].name == 'ALL')):
return filters
for filter in supported_filters:
filters.append({
'name': filter.name,
'title': filter.title,
'description': filter.description,
})
return filters
def vocabulary_filters(vocabulary):
# Only IHugeVocabulary's have filters.
if not IHugeVocabulary.providedBy(vocabulary):
return []
supported_filters = vocabulary.supportedFilters()
# If we have no filters or just the ALL filter, then no filtering
# support is required.
filters = []
if (len(supported_filters) == 0 or
(len(supported_filters) == 1
and supported_filters[0].name == 'ALL')):
return filters
for filter in supported_filters:
filters.append({
'name': filter.name,
'title': filter.title,
'description': filter.description,
})
return filters
def show_search_box(self):
return IHugeVocabulary.providedBy(self.vocabulary)
def __call__(self):
name = self.request.form.get('name')
if name is None:
raise MissingInputError('name', '')
search_text = self.request.form.get('search_text')
if search_text is None:
raise MissingInputError('search_text', '')
search_filter = self.request.form.get('search_filter')
try:
factory = getUtility(IVocabularyFactory, name)
except ComponentLookupError:
raise UnexpectedFormData(
'Unknown vocabulary %r' % name)
vocabulary = factory(self.context)
if IHugeVocabulary.providedBy(vocabulary):
matches = vocabulary.searchForTerms(search_text, search_filter)
total_size = matches.count()
else:
matches = list(vocabulary)
total_size = len(matches)
batch_navigator = BatchNavigator(matches, self.request)
# We need to collate what IPickerEntrySource adapters are required for
# the items in the current batch. We expect that the batch will be
# homogenous and so only one adapter instance is required, but we
# allow for the case where the batch may contain disparate entries
# requiring different adapter implementations.
# A mapping from adapter class name -> adapter instance
adapter_cache = {}
# A mapping from adapter class name -> list of vocab terms
picker_entry_terms = {}
for term in batch_navigator.currentBatch():
picker_entry_source = IPickerEntrySource(term.value)
adapter_class = picker_entry_source.__class__.__name__
picker_terms = picker_entry_terms.get(adapter_class)
if picker_terms is None:
picker_terms = []
picker_entry_terms[adapter_class] = picker_terms
adapter_cache[adapter_class] = picker_entry_source
picker_terms.append(term.value)
# A mapping from vocab terms -> picker entries
picker_term_entries = {}
# For the list of terms associated with a picker adapter, we get the
# corresponding picker entries by calling the adapter.
for adapter_class, term_values in picker_entry_terms.items():
picker_entries = adapter_cache[adapter_class].getPickerEntries(
term_values,
self.context)
for term_value, picker_entry in izip(term_values, picker_entries):
picker_term_entries[term_value] = picker_entry
result = []
for term in batch_navigator.currentBatch():
entry = dict(value=term.token, title=term.title)
# The canonical_url without just the path (no hostname) can
# be passed directly into the REST PATCH call.
api_request = IWebServiceClientRequest(self.request)
try:
entry['api_uri'] = canonical_url(
term.value, request=api_request,
path_only_if_possible=True)
except NoCanonicalUrl:
# The exception is caught, because the api_url is only
# needed for inplace editing via a REST call. The
# form picker doesn't need the api_url.
entry['api_uri'] = 'Could not find canonical url.'
picker_entry = picker_term_entries[term.value]
if picker_entry.description is not None:
if len(picker_entry.description) > MAX_DESCRIPTION_LENGTH:
entry['description'] = (
picker_entry.description[:MAX_DESCRIPTION_LENGTH - 3]
+ '...')
else:
entry['description'] = picker_entry.description
if picker_entry.image is not None:
entry['image'] = picker_entry.image
if picker_entry.css is not None:
entry['css'] = picker_entry.css
if picker_entry.alt_title is not None:
entry['alt_title'] = picker_entry.alt_title
if picker_entry.title_link is not None:
entry['title_link'] = picker_entry.title_link
if picker_entry.details is not None:
entry['details'] = picker_entry.details
if picker_entry.alt_title_link is not None:
entry['alt_title_link'] = picker_entry.alt_title_link
if picker_entry.link_css is not None:
entry['link_css'] = picker_entry.link_css
if picker_entry.badges:
entry['badges'] = picker_entry.badges
if picker_entry.metadata is not None:
entry['metadata'] = picker_entry.metadata
if picker_entry.target_type is not None:
entry['target_type'] = picker_entry.target_type
result.append(entry)
self.request.response.setHeader('Content-type', 'application/json')
return simplejson.dumps(dict(total_size=total_size, entries=result))
def show_search_box(self):
return IHugeVocabulary.providedBy(self.vocabulary)