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I need to hide a column depending on a condition. This is a snippet of the Shipment Package Line model:

class ShipmentPackageLine(models.Model):
    _name = 'shipment.package.line'
    _rec_name = 'package'
    ...
    gross_column_air_hidden = fields.Boolean(compute='_compute_column_visibility')
   
    @api.depends('shipment_id.transport')
    def _compute_column_visibility(self):
        for line in self:
            if (line.shipment_id.transport == 'air'):
                line.gross_column_air_hidden = True
                _logger.info('Gross column set to invisible')
            else:
                line.gross_column_air_hidden = False
                _logger.info('Gross column set to visible')

Here is the Freight Shipment model:

class FreightShipment(models.Model):
    _name = 'freight.shipment'
    _inherit = ['mail.thread', 'mail.activity.mixin']
    ...
    transport = fields.Selection(([('air', 'Air'), ('ocean', 'Ocean'), ('land', 'Land')]),
                                 string='Transport Via')
    freight_packages = fields.One2many('shipment.package.line', 'shipment_id')


This is the XML view template snippet, please note that the model used in the Freight Shipment

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <data>
        <record model="ir.ui.view" id="freight_shipment_form_view">
            <field name="name">freight.shipment.form.view</field>
            <field name="model">freight.shipment</field>
            <field name="arch" type="xml">
                <form edit="stage_id != 5">
                ...
                <notebook>
                ...
                   <page string="Package Details">
                       <field name="freight_packages" nolabel="1" widget="one2many_list">
                          <tree string="Package">
                             <field name="gross_column_air_hidden" invisible="1" column_invisible="1"/>
                             <field name="name" />
                             <field name="seal_number"/>
                             <field name="package_type"/>
                             <field name="package" required="1"/>
                             <field name="container_type" optional="hide"/>
                             <field name="qty" sum="Total Qty."/>
                             <field name="volume" column_invisible="gross_column_air_hidden"/>
                             <field name="gross_weight" column_invisible="gross_column_air_hidden"/>
                             <field name="net_weight" sum="Total Net"/>
                             <field name="total_cbm" column_invisible="gross_column_air_hidden"/>
                             <field name="line_added" column_invisible="1"/>
                             <button name="action_insert_line_service" type="object" string="Add to Service"
                                 icon="fa-plus-square-o" invisible="line_added"/>
                          </tree>
                        ...


I got the error:

UncaughtPromiseError > OwlError
Uncaught Promise > An error occurred in the owl lifecycle (see this Error's "cause" property)
OwlError: An error occurred in the owl lifecycle (see this Error's "cause" property)
    Error: An error occurred in the owl lifecycle (see this Error's "cause" property)
        at handleError (.../web/assets/518164d/web.assets_web.min.js:916:101)
        at App.handleError (.../web/assets/518164d/web.assets_web.min.js:1559:29)
        at Fiber._render (.../web/assets/518164d/web.assets_web.min.js:941 :19)
        at Fiber.render (.../web/assets/518164d/web.assets_web.min.js:939:6)
        at ComponentNode. initiateRender (.../web.assets_web.min.js:1009:47)

Caused by: EvalError: Can not evaluate python expression: (bool(gross_column_air_hidden))
    Error: Name 'gross_column_air_hidden' is not defined
    EvalError: Can not evaluate python expression : (bool(gross_column_air_hidden))
    Error: Name 'gross_column_air_hidden' is not defined
        at evaluateExpr (.../web/assets/518164d/web.assets_web.min.js:3068:54)
        at evaluateBooleanExpr (.../web/assets/518164d/web.assets_web.min.js:3071:8)
        at Object .evalViewModifier (.../web/assets/518164d/web.assets_web.min.js:8599:154)
        at ListRenderer.evalColumnInvisible (.../web/assets/518164d/web.assets_web.min.js:9508:56)
        at .../web/assets/518164d/web.assets_web.min.js:9409:9
        at Array .filter (<anonymous>)
        at ListRenderer.getActiveColumns (.../web/assets/518164d/web.assets_web.min.js:9407:47)
        at ListRenderer.setup (.../web/assets/518164d/web.assets_web.min.js:9401:456)
        at ListRenderer.setup (.../web/assets/518164d/web.assets_web.min.js:17112:861)
        at ListRenderer.setup (.../web/assets/518164d/web.assets_web.min.js:17793:535)


If i used invisible instead of column_invisible, there would be no error, but the column will be shown


How can I fix this?


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Huỷ bỏ
Tác giả

I noticed that when I used 'invisible' instead of 'column_invisible', the values under the columns are hidden/not showing but the column is still showing. If I used 'column_invisible', it will prompt an error that the 'gross_column_air_hidden' is undefined even though I have defined it.

Tác giả

Hi Sahar, I cannot comment on your reply since I do not have points. How should I solve this? If I use a field inside the tree from the shipment.package, it would not be recognize. For example, the transport field, it will show Caused by: EvalError: Can not evaluate python expression: (bool(transport == 'air'))
Error: Name 'transport' is not defined
EvalError: Can not evaluate python expression: (bool(transport == 'air'))

Câu trả lời hay nhất

Hi,

If you're in a nested tree view inside a form, and the visibility of a column depends on a flag set in the parent form (like a boolean field), you must use the' parent.' prefix. Otherwise, Odoo will not find the variable, and the column might not behave as expected.


Use the code column_invisible="parent.gross_column_air_hidden" instead of column_invisible="gross_column_air_hidden" to ensure that the field's visibility is controlled by the parent context variable.


Hope it helps.

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Huỷ bỏ
Câu trả lời hay nhất

The field used in the column_invisible must be belong to the shipment.package model not shipment.package.line,
to hide the column if the parent model meets a certain condition.

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