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# This file is part of Tryton. The COPYRIGHT file at the toplevel of this
# repository contains the full copyright notices and license terms.
from trytond.i18n import lazy_gettext
from trytond.pyson import Eval
from . import fields
from .model import Model
from .modelview import ModelView
class DeactivableMixin(Model):
"Mixin to allow to soft deletion of records"
__slots__ = ()
active = fields.Boolean(
lazy_gettext('ir.msg_active'),
help=lazy_gettext('ir.msg_active_help'))
@classmethod
def default_active(cls):
return True
@classmethod
def __post_setup__(cls):
super().__post_setup__()
inactive = ~Eval('active', cls.default_active())
for name, field in cls._fields.items():
if name == 'active':
continue
if 'readonly' in field.states:
field.states['readonly'] |= inactive
else:
field.states['readonly'] = inactive
if issubclass(cls, ModelView):
for states in cls._buttons.values():
if 'readonly' in states:
states['readonly'] |= inactive
else:
states['readonly'] = inactive
if 'active' not in states.setdefault('depends', []):
states['depends'].append('active')
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