clinic/netforce_clinic/models/setting_level.py

from netforce.model import Model, fields, get_model

class SettingLevel(Model):
    _name="clinic.setting.level"
    _string="Setting Line"

    def _get_formular(self,ids,context={}):
        res={}
        for obj in self.browse(ids):
            res[obj.id]=''.join(['%sX'%obj.var_a or '', obj.op or '', obj.var_b or ''])
        return res

    _fields={
        "setting_id": fields.Many2One("clinic.setting","Setting"),
        "level_id": fields.Many2One("clinic.staff.level","Level",domain=[['type','=','nurse']]),
        'var_a': fields.Char("Ax"),
        "op": fields.Selection([["+","+"],["-","-"]],"Operation"),
        'var_b': fields.Char("B"),
        'formular': fields.Text("Formular (Ax op B)",function="_get_formular"),
    }

SettingLevel.register()