Refresh tabwidget

def refresh(self, index=None):
        """Refresh tabwidget"""
        if index is None:
            index = self.get_stack_index()
        # Set current editor
        if self.get_stack_count():
            index = self.get_stack_index()
            finfo = self.data[index]
            editor = finfo.editor
            editor.setFocus()
            self._refresh_outlineexplorer(index, update=False)
            self.__refresh_statusbar(index)
            self.__refresh_readonly(index)
            self.__check_file_status(index)
            self.__modify_stack_title()
            self.update_plugin_title.emit()
        else:
            editor = None
        # Update the modification-state-dependent parameters
        self.modification_changed()
        # Update FindReplace binding
        self.find_widget.set_editor(editor, refresh=False)