def getFieldValue(self, field, id, **kw):
"""
Return a callable expression and cacheable boolean flag
"""
# Some field types have their own get_value implementation,
# then we must use it always. This check must be done at first.
template_field = self.getRecursiveTemplateField()
# Old ListBox instance might have default attribute. so we need to check it.
if checkOriginalGetValue(template_field, id):
return _USE_ORIGINAL_GET_VALUE_MARKER, True
try:
tales_expr = self.get_tales_expression(id)
except ValueError:
return None, False
if tales_expr:
tales_expr = copyMethod(tales_expr)
return TALESValue(tales_expr), isCacheable(tales_expr)
# FIXME: backwards compat hack to make sure overrides dict exists
if not hasattr(self, 'overrides'):
self.overrides = {}
override = self.overrides.get(id, "")
if override:
override = copyMethod(override)
return OverrideValue(override), isCacheable(override)
# Get a normal value.
try:
value = self.get_recursive_orig_value(id)
except KeyError:
# For ListBox and other exceptional fields.
return self._get_value(id, **kw), False
field_id = field.id
value = copyMethod(value)
cacheable = isCacheable(value)
if id == 'default' and (field_id.startswith('my_')
or field_id.startswith('listbox_')):
# XXX far from object-oriented programming
if template_field.meta_type == 'CheckBoxField':
return DefaultCheckBoxValue(field_id, value), cacheable
return DefaultValue(field_id, value), cacheable
# For the 'editable' value, we try to get a default value
if id == 'editable':
return EditableValue(value), cacheable
# Return default value in callable mode
if callable(value):
return StaticValue(value), cacheable
# Return default value in non callable mode
return_value = StaticValue(value)(field, id, **kw)
return return_value, isCacheable(return_value)
def getFieldValue(self, field, id, **kw):
"""
Return a callable expression and cacheable boolean flag
"""
# Some field types have their own get_value implementation,
# then we must use it always. This check must be done at first.
template_field = self.getRecursiveTemplateField()
# Old ListBox instance might have default attribute. so we need to check it.
if checkOriginalGetValue(template_field, id):
return _USE_ORIGINAL_GET_VALUE_MARKER, True
try:
tales_expr = self.get_tales_expression(id)
except ValueError:
return None, False
if tales_expr:
tales_expr = copyMethod(tales_expr)
return TALESValue(tales_expr), isCacheable(tales_expr)
# FIXME: backwards compat hack to make sure overrides dict exists
if not hasattr(self, 'overrides'):
self.overrides = {}
override = self.overrides.get(id, "")
if override:
override = copyMethod(override)
return OverrideValue(override), isCacheable(override)
# Get a normal value.
try:
value = self.get_recursive_orig_value(id)
except KeyError:
# For ListBox and other exceptional fields.
return self._get_value(id, **kw), False
field_id = field.id
value = copyMethod(value)
cacheable = isCacheable(value)
if id == 'default' and (field_id.startswith('my_') or
field_id.startswith('listbox_')):
# XXX far from object-oriented programming
if template_field.meta_type == 'CheckBoxField':
return DefaultCheckBoxValue(field_id, value), cacheable
return DefaultValue(field_id, value), cacheable
# For the 'editable' value, we try to get a default value
if id == 'editable':
return EditableValue(value), cacheable
# Return default value in callable mode
if callable(value):
return StaticValue(value), cacheable
# Return default value in non callable mode
return_value = StaticValue(value)(field, id, **kw)
return return_value, isCacheable(return_value)