How to store field readonly in database with onchange method

Question

Hi

my code :

def fret_change (self,cr, uid,ids ,tva_p,t_c,prix_d,fret_p,context):
vals={}
vals['p_achat_ht']= (t_c*prix_d)*(1+(fret_p/100))

return {'value': vals}

def write(self,cr, uid, ids, vals, context=None):
for rec in self.browse(cr, uid, ids, context=context):
#Pass required value of fields in onchange

res = self.fret_change(cr, uid, [rec.id], rec.tva_p, rec.t_c,rec.prix_d,rec.fret_p,context)
if res.has_key('p_achat_ht'):

Annadurai · Accepted Answer

Hey! guys. We found a solution to store readonlyonchange in DB through below code.. CREATE edit, it will store in DB
samp_cal1=fields.Integer(string="a")
samp_cal2=fields.Integer(string="b")
samp_cal3=fields.Integer(string="c",readonly=True)
@api.onchange('samp_cal1','samp_cal2')
def adding_samp(self):
self.samp_cal3=self.samp_cal1+self.samp_cal2
@api.model
def create(self,vals):
if self.samp_cal3:
vals['samp_cal3']=self.samp_cal1+self.samp_cal2
res = super(tokenreservation, self).create(vals)
r

vadivel · Answer

Hi friend,
Usually when field is readonly and it gets input through on_change function after saving the record the value wont stored in database.So try below code:

addons/web/static/js/view_form.js:

In view_form.js:

in line:  840:
if (!f.get("readonly")) {
values[f.name] = f.get_value();
}
else {
readonly_values[f.name] = f.get_value();
}
values[f.name] = f.get_value();
if (f.get("readonly"))
readonly_values[f.name] = f.get_value();
}
}
I think it will help you Thanks

Bharat Devnani · Answer

Dear All,
Kindly look at this blog post for solution https://bharatrdevnani.wordpress.com/2016/02/04/readonly-attributes-onchange-odoo/ surely it will help.
Regards,
Bharat

meriem HAKKANI · Answer

Hi
Try this : http://www.odooninja.com/readonly-field-onchange-method/
i try it its OK

Deepa Venkatesh · Answer

As the term indicates Readonly, meaning values are not changed in those fields, hence odoo will not consider those values while saving it into database....

So best way to handle is making it as Functional / Computational field... that way it will be readonly and as well value will computated and can be either stored or not-stored...

But still you wish to use basic/normal fields with readonly property, then in ORM methods both create & write method, call the onchange event and update your value

sameer alhwety · Answer

If the field in new module you created you can making it functional field, but if the field already on system created by OpenERP/Odoo don't change the field just create new field and save the value on it

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