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# -*- coding: utf-8 -*-
from odoo import models, fields, api
class BarcodeEventsMixin(models.AbstractModel):
""" Mixin class for objects reacting when a barcode is scanned in their form views
which contains `<field name="_barcode_scanned" widget="barcode_handler"/>`.
Models using this mixin must implement the method on_barcode_scanned. It works
like an onchange and receives the scanned barcode in parameter.
"""
_name = 'barcodes.barcode_events_mixin'
_barcode_scanned = fields.Char("Barcode Scanned", help="Value of the last barcode scanned.", store=False)
@api.onchange('_barcode_scanned')
def _on_barcode_scanned(self):
barcode = self._barcode_scanned
if barcode:
self._barcode_scanned = ""
return self.on_barcode_scanned(barcode)
def on_barcode_scanned(self, barcode):
raise NotImplementedError("In order to use barcodes.barcode_events_mixin, method on_barcode_scanned must be implemented")
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