def _build_boolean_indicator(spec, context):
wrapped = BooleanIndicatorSpec.wrap(spec)
return BooleanIndicator(
wrapped.display_name,
wrapped.column_id,
FilterFactory.from_spec(wrapped.filter, context),
)
def _build_choice_list_indicator(spec, context):
wrapped_spec = ChoiceListIndicatorSpec.wrap(spec)
base_display_name = wrapped_spec.display_name
def _construct_display(choice):
return '{base} ({choice})'.format(base=base_display_name,
choice=choice)
def _construct_column(choice):
return '{col}_{choice}'.format(col=spec['column_id'], choice=choice)
choice_indicators = [
BooleanIndicator(
display_name=_construct_display(choice),
column_id=_construct_column(choice),
filter=SinglePropertyValueFilter(
expression=wrapped_spec.getter,
operator=wrapped_spec.get_operator(),
reference_expression=ExpressionFactory.from_spec(choice),
),
wrapped_spec=None,
) for choice in spec['choices']
]
return CompoundIndicator(base_display_name, choice_indicators,
wrapped_spec)
def _build_count_indicator(spec, context):
wrapped = IndicatorSpecBase.wrap(spec)
return BooleanIndicator(
wrapped.display_name,
wrapped.column_id,
CustomFilter(lambda item, context=None: True),
)