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# This file is part of Tryton. The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
from trytond.model import (
DeactivableMixin, ModelStorage, ModelView, fields, tree)
from trytond.pool import Pool, PoolMeta
class ClassificationMixin(DeactivableMixin):
__slots__ = ()
name = fields.Char('Name', translate=True, required=True)
selectable = fields.Boolean("Selectable")
@classmethod
def default_selectable(cls):
return True
def classification_tree(name):
'Return a ClassificationMixin with tree structure'
class ClassificationTreeMixin(tree(separator=' / '), ClassificationMixin):
__slots__ = ()
parent = fields.Many2One(name, "Parent")
childs = fields.One2Many(name, 'parent', 'Children')
return ClassificationTreeMixin
class Template(metaclass=PoolMeta):
__name__ = 'product.template'
classification = fields.Reference(
"Classification", selection='get_classification')
@classmethod
def __setup__(cls):
super().__setup__()
for model in cls._get_classification():
if model in cls.classification.domain:
cls.classification.domain[model] = [
cls.classification.domain[model],
('selectable', '=', True),
]
else:
cls.classification.domain[model] = [
('selectable', '=', True),
]
@classmethod
def _get_classification(cls):
'Return list of Model names for classification Reference'
return []
@classmethod
def get_classification(cls):
pool = Pool()
Model = pool.get('ir.model')
get_name = Model.get_name
models = cls._get_classification()
return [(None, '')] + [(m, get_name(m)) for m in models]
class Product(metaclass=PoolMeta):
__name__ = 'product.product'
@classmethod
def get_classification(cls):
pool = Pool()
Template = pool.get('product.template')
return Template.get_classification()
class ClassificationDummy(ClassificationMixin, ModelStorage, ModelView):
'Dummy Product Classification'
__name__ = 'product.classification.dummy'
class ClassificationTreeDummy(
classification_tree('product.classification_tree.dummy'),
ModelStorage, ModelView):
'Dummy Product Classification Tree'
__name__ = 'product.classification_tree.dummy'
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