def __enter__(self):
if self.__count__: # add counter indicator
label_text = self.params.get('label_text', '')
self.params['label_text'] = "[{0}/{1}] {2}".format(
self.__idx__, self.__count__, label_text)
self.__idx__ -= 1
self.progress_bar = ProgressDialogWidget(self.parent, **self.params)
self.progress_bar.setWindowModality(Qt.WindowModal)
self.progress_bar.setMinimumDuration(0)
self.progress_bar.forceShow()
return self.progress_bar
