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.. image:: https://img.shields.io/badge/licence-AGPL--3-blue.svg
:target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
:alt: License: AGPL-3
================
Web Domain Field
================
When you define a view you can specify on the relational fields a domain
attribute. This attribute is evaluated as filter to apply when displaying
existing records for selection.
.. code-block:: xml
<field name="product_id" domain="[('type','=','product')]"/>
The value provided for the domain attribute must be a string representing a
valid Odoo domain. This string is evaluated on the client side in a
restricted context where we can reference as right operand the values of
fields present into the form and a limited set of functions.
In this context it's hard to build complex domain and we are facing to some
limitations as:
* The syntax to include in your domain a criteria involving values from a
x2many field is complex.
* The right side of domain in case of x2many can involve huge amount of ids
(performance problem).
* Domains computed by an onchange on an other field are not recomputed when
you modify the form and don't modify the field triggering the onchange.
* It's not possible to extend an existing domain. You must completely redefine
the domain in your specialized addon
* etc...
In order to mitigate these limitations this new addon allows you to use the
value of a field as domain of an other field in the xml definition of your
view.
.. code-block:: xml
<field name="product_id_domain" invisible="1"/>
<field name="product_id" domain="product_id_domain"/>
The field used as domain must provide the domain as a JSON encoded string.
.. code-block:: python
product_id_domain = fields.Char(
compute="_compute_product_id_domain",
readonly=True,
store=False,
)
@api.multi
@api.depends('name')
def _compute_product_id_domain(self):
for rec in self:
rec.product_id_domain = json.dumps(
[('type', '=', 'product'), ('name', 'like', rec.name)]
)
Usage
=====
.. image:: https://odoo-community.org/website/image/ir.attachment/5784_f2813bd/datas
:alt: Try me on Runbot
:target: https://runbot.odoo-community.org/runbot/162/10.0
Bug Tracker
===========
Bugs are tracked on `GitHub Issues
<https://github.com/OCA/web/issues>`_. In case of trouble, please
check there if your issue has already been reported. If you spotted it first,
help us smashing it by providing a detailed and welcomed feedback.
Credits
=======
Images
------
* Odoo Community Association: `Icon <https://github.com/OCA/maintainer-tools/blob/master/template/module/static/description/icon.svg>`_.
Contributors
------------
* Laurent Mignon <laurent.mignon@acsone.eu>
* Denis Roussel <denis.roussel@acsone.eu>
Maintainer
----------
.. image:: https://odoo-community.org/logo.png
:alt: Odoo Community Association
:target: https://odoo-community.org
This module is maintained by the OCA.
OCA, or the Odoo Community Association, is a nonprofit organization whose
mission is to support the collaborative development of Odoo features and
promote its widespread use.
To contribute to this module, please visit https://odoo-community.org.
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