def getSortCriterion(self):
"""Return the Sort criterion if setup.
"""
for criterion in self.listCriteria():
if IATTopicSortCriterion.providedBy(criterion):
return criterion
return None
def listAvailableFields(self):
"""Return a list of available fields for new criteria.
"""
current = [crit.Field() for crit in self.listCriteria() if not IATTopicSortCriterion.providedBy(crit)]
fields = self.listFields()
val = [field for field in fields if field[0] not in current]
return val
def getSortCriterion(self):
"""Return the Sort criterion if setup.
"""
for criterion in self.listCriteria():
if IATTopicSortCriterion.providedBy(criterion):
return criterion
return None
def listAvailableFields(self):
# Return a list of available fields for new criteria.
current = [
crit.Field() for crit in self.listCriteria()
if not IATTopicSortCriterion.providedBy(crit)
]
fields = self.listFields()
val = [field for field in fields if field[0] not in current]
return val
