def validate_confirm(self): if not self.can_activate_printer(): return False if self.edit_mode: return True try: self._status = ECFAsyncPrinterStatus(self.model.device_name, self.model.printer_class, self.model.baudrate) except SerialException as e: warning(_('Error opening serial port'), str(e)) return False self._status.connect('reply', self._printer_status__reply) self._status.connect('timeout', self._printer_status__timeout) self.progress_dialog.set_label(_("Probing for a %s printer on %s") % ( self.model.model_name, self._status.get_device_name())) self.progress_dialog.start() return False
class ECFEditor(BaseEditor): gladefile = 'FiscalPrinterDialog' model_type = ECFPrinter model_name = _('Fiscal Printer') proxy_widgets = ['device_name', 'device_serial', 'is_active', 'baudrate', 'user_number', 'register_date', 'register_cro'] def __init__(self, store, model=None): self._device_manager = DeviceManager() BaseEditor.__init__(self, store, model) self.progress_dialog = ProgressDialog() self.progress_dialog.connect('cancel', self._on_progress_dialog__cancel) self.progress_dialog.set_transient_for(self.main_dialog) if self.edit_mode: self.printer.set_sensitive(False) self.main_dialog.ok_button.grab_focus() else: self.edit_constants.hide() self.device_serial.hide() self.device_serial_label.hide() self.is_active.hide() # # BaseEditor # def create_model(self, store): model = ECFPrinter(brand=u'daruma', model=u'FS345', device_name=u'/dev/ttyS0', device_serial=u'', baudrate=9600, station=get_current_station(store), is_active=True, store=store) if platform.system() == 'Windows': model.device_name = u'COM1' return model def setup_proxies(self): self._populate_printers() self._populate_serial_ports() self._populate_baudrate() self.proxy = self.add_proxy(self.model, ECFEditor.proxy_widgets) self.printer.select_item_by_label(self.model.get_description()) def validate_confirm(self): if not self.can_activate_printer(): return False if self.edit_mode: return True try: self._status = ECFAsyncPrinterStatus(self.model.device_name, self.model.printer_class, self.model.baudrate) except SerialException as e: warning(_('Error opening serial port'), str(e)) return False self._status.connect('reply', self._printer_status__reply) self._status.connect('timeout', self._printer_status__timeout) self.progress_dialog.set_label(_("Probing for a %s printer on %s") % ( self.model.model_name, self._status.get_device_name())) self.progress_dialog.start() return False def can_activate_printer(self): serial = self.model.device_serial printers = self.store.find(ECFPrinter, is_active=True, station=get_current_station(self.store)) till = self.store.find(Till, status=Till.STATUS_OPEN, station=get_current_station(self.store)).one() if till and printers: warning(_("You need to close the till opened at %s before " "changing this printer.") % till.opening_date.date()) return False for p in printers: if p.device_serial != serial and self.model.is_active: warning(_(u'The ECF %s is already active for this ' 'station. Deactivate that printer before ' 'activating this one.') % p.model) return False return True # # Callbacks # def _on_progress_dialog__cancel(self, progress): # FIXME: #status.stop() pass def on_printer__content_changed(self, combo): # Cannot change the model in edit mode! if self.edit_mode: return printer = combo.get_selected() self.model.model = printer.model self.model.brand = printer.brand # These are not persistent self.model.model_name = printer.model_name self.model.printer_class = printer.printer_class def on_edit_constants__clicked(self, button): run_dialog(DeviceConstantsDialog, self, self.store, self.model) def _printer_status__reply(self, status, reply): self.progress_dialog.stop() if not self._populate_ecf_printer(status): return if not yesno(_("An ECF Printer was added. You need to restart Stoq " "before using it. Would you like to restart it now?"), gtk.RESPONSE_NO, _("Restart later"), _("Restart now")): self.store.commit() raise SystemExit # FIXME: move to base dialogs or base editor self.retval = self.model self.main_dialog.close() def _printer_status__timeout(self, status): self.progress_dialog.stop() info(_("Could not find a %s printer connected to %s") % ( self.model.model_name, status.get_device_name())) # # Private # def _populate_baudrate(self): values = get_baudrate_values() self.baudrate.prefill(values) def _populate_printers(self): supported_ifaces = get_supported_printers_by_iface(ICouponPrinter).items() printers = [] for brand, printer_classes in supported_ifaces: for printer_class in printer_classes: printer = _PrinterModel(brand, printer_class) printers.append((printer.get_description(), printer)) if sysparam(self.store).DEMO_MODE: from stoqdrivers.printers.virtual.Simple import Simple printer = _PrinterModel('virtual', Simple) printers.append((printer.get_description(), printer)) self.printer.prefill(locale_sorted( printers, key=operator.itemgetter(0))) def _populate_serial_ports(self): values = [] for device in self._device_manager.get_serial_devices(): values.append(device.device_name) if not self.model.device_name in values: values.append(self.model.device_name) self.device_name.prefill(values) def _populate_ecf_printer(self, status): serial = unicode(status.printer.get_serial()) if self.store.find(ECFPrinter, device_serial=serial): status.stop() status.get_port().close() info(_("This printer is already known to the system")) return False self.model.device_serial = serial self._populate_constants(self.model, status) return True def _populate_constants(self, model, status): driver = status.get_driver() for tax_enum, device_value, value in driver.get_tax_constants(): if tax_enum == TaxType.CUSTOM: constant = self.store.find(SellableTaxConstant, tax_value=value).one() # If the constant is not defined in the system, create it if not constant: constant = SellableTaxConstant(tax_value=value, tax_type=int(TaxType.CUSTOM), description=u'%0.2f %%' % value, store=self.store) elif tax_enum == TaxType.SERVICE: constant = self.store.find(DeviceConstant, constant_enum=int(tax_enum), printer=model).one() # Skip, If we have a service tax defined for this printer # This needs to be improved when we support more than one # service tax if constant is not None: continue else: constant = self.store.find(SellableTaxConstant, tax_type=int(tax_enum)).one() # Ignore if its unkown tax if not constant: continue if value: constant_name = u'%0.2f %%' % (value, ) elif constant: constant_name = constant.description else: constant_name = None DeviceConstant(constant_enum=int(tax_enum), constant_name=constant_name, constant_type=DeviceConstant.TYPE_TAX, constant_value=value, device_value=device_value, printer=model, store=self.store) # This is going to be ugly, most printers don't support # a real constant for the payment methods, so we have to look # at the description and guess payment_enums = {'dinheiro': PaymentMethodType.MONEY, 'cheque': PaymentMethodType.CHECK, 'boleto': PaymentMethodType.BILL, 'cartao credito': PaymentMethodType.CREDIT_CARD, 'cartao debito': PaymentMethodType.DEBIT_CARD, 'financeira': PaymentMethodType.FINANCIAL, 'vale compra': PaymentMethodType.GIFT_CERTIFICATE } for device_value, constant_name in driver.get_payment_constants(): lower = constant_name.lower() lower = lower.replace('é', 'e') # Workaround method names with lower = lower.replace('ã', 'a') # accents payment_enum = payment_enums.get(lower) if payment_enum is None: continue DeviceConstant(constant_enum=int(payment_enum), constant_name=unicode(constant_name), constant_type=DeviceConstant.TYPE_PAYMENT, constant_value=value, device_value=device_value, printer=model, store=self.store)