HYTOS

        try:

            if flag is None:

                freeze = True

                for _attr, _value in self.attrs.items():

                    if _attr.Freeze:

                        freeze = False

                        break

                for _attr, _value in self.attrs.items():

                    _attr.Freeze = freeze

                labels = [item for item in self.scene().items() if issubclass(type(item), SymbolSvgItem) and (item.iType == 19 or item.iType == 29 or item.iType == 30)]

                if labels:

                    labels = [label for label in labels if label.EvaluatedAttribute('OWNERSYMBOL') == self or \

                            (type(label.EvaluatedAttribute('OWNERSYMBOL')) is str and label.EvaluatedAttribute('OWNERSYMBOL') == str(self.uid))]

                    for label in labels:

                        label.freeze_attriute(freeze)

                App.mainWnd().resultPropertyTableWidget.onSuccessSelectAttribute(self)

            else:

                for _attr, _value in self.attrs.items():

                    _attr.Freeze = flag

                labels = [item for item in self.scene().items() if issubclass(type(item), SymbolSvgItem) and (item.iType == 19 or item.iType == 29 or item.iType == 30)]

                if labels:

                    labels = [label for label in labels if label.EvaluatedAttribute('OWNERSYMBOL') == self or \

                            (type(label.EvaluatedAttribute('OWNERSYMBOL')) is str and label.EvaluatedAttribute('OWNERSYMBOL') == str(self.uid))]

                    for label in labels:

                        label.freeze_attriute(flag)

        except Exception as ex:

            message = 'error occurred({}) in {}:{}'.format(ex, sys.exc_info()[-1].tb_frame.f_code.co_filename,

                                                          sys.exc_info()[-1].tb_lineno)

            App.mainWnd().addMessage.emit(MessageType.Error, message)