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Show list fields as a matrix

Project description

Beta License: AGPL-3 OCA/web Translate me on Weblate Try me on Runbot

This module allows to show an x2many field with 3-tuples ($x_value, $y_value, $value) in a table

$x_value1 $x_value2
$y_value1 $value(1/1) $value(2/1)
$y_value2 $value(1/2) $value(2/2)

where value(n/n) is editable.

An example use case would be: Select some projects and some employees so that a manager can easily fill in the planned_hours for one task per employee. The result could look like this:

Screenshot

The beauty of this is that you have an arbitrary amount of columns with this widget, trying to get this in standard x2many lists involves some quite ugly hacks.

Table of contents

Usage

Use this widget by saying:

<field name="my_field" widget="x2many_2d_matrix" />

This assumes that my_field refers to a model with the fields x, y and value. If your fields are named differently, pass the correct names as attributes:

<field name="my_field" widget="x2many_2d_matrix" field_x_axis="my_field1" field_y_axis="my_field2" field_value="my_field3" />

You can pass the following parameters:

field_x_axis
The field that indicates the x value of a point
field_y_axis
The field that indicates the y value of a point
field_label_x_axis
Use another field to display in the table header
field_label_y_axis
Use another field to display in the table header
x_axis_clickable
It indicates if the X axis allows to be clicked for navigating to the field (if it’s a many2one field). True by default
y_axis_clickable
It indicates if the Y axis allows to be clicked for navigating to the field (if it’s a many2one field). True by default
field_value
Show this field as value
show_row_totals
If field_value is a numeric field, it indicates if you want to calculate row totals. True by default
show_column_totals
If field_value is a numeric field, it indicates if you want to calculate column totals. True by default
field_att_<name>
Declare as many options prefixed with this string as you need for binding a field value with an HTML node attribute (disabled, class, style…) called as the <name> passed in the option.

Example

You need a data structure already filled with values. Let’s assume we want to use this widget in a wizard that lets the user fill in planned hours for one task per project per user. In this case, we can use project.task as our data model and point to it from our wizard. The crucial part is that we fill the field in the default function:

class MyWizard(models.TransientModel):
   _name = 'my.wizard'

   def _default_task_ids(self):
       # your list of project should come from the context, some selection
       # in a previous wizard or wherever else
       projects = self.env['project.project'].browse([1, 2, 3])
       # same with users
       users = self.env['res.users'].browse([1, 2, 3])
       return [
           (0, 0, {'project_id': p.id, 'user_id': u.id, 'planned_hours': 0})
           # if the project doesn't have a task for the user, create a new one
           if not p.task_ids.filtered(lambda x: x.user_id == u) else
           # otherwise, return the task
           (4, p.task_ids.filtered(lambda x: x.user_id == u)[0].id)
           for p in projects
           for u in users
       ]

   task_ids = fields.Many2many('project.task', default=_default_task_ids)

Now in our wizard, we can use:

<field name="task_ids" widget="x2many_2d_matrix" field_x_axis="project_id" field_y_axis="user_id" field_value="planned_hours" />

Note that all values in the matrix must exist, so you need to create them previously if not present, but you can control visually the editability of the fields in the matrix through field_att_disabled option with a control field.

Known issues / Roadmap

  • It would be worth trying to instantiate the proper field widget and let it render the input
  • Let the widget deal with the missing values of the full Cartesian product, instead of being forced to pre-fill all the possible values.
  • If you pass values with an onchange, you need to overwrite the model’s method onchange for making the widget work:
@api.multi
def onchange(self, values, field_name, field_onchange):
    if "one2many_field" in field_onchange:
        for sub in [<field_list>]:
            field_onchange.setdefault("one2many_field." + sub, u"")
    return super(model, self).onchange(values, field_name, field_onchange)

Bug Tracker

Bugs are tracked on GitHub 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.

Do not contact contributors directly about support or help with technical issues.

Credits

Authors

  • Therp BV
  • Tecnativa

Contributors

Maintainers

This module is maintained by the OCA.

Odoo Community Association

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.

This module is part of the OCA/web project on GitHub.

You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

Project details


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