3288 	def __init__(self, glb, label, placeholder_text, parent, id = "", default = ""):  argument
3291 		self.placeholder_text = placeholder_text
3304 		if placeholder_text:
3305 			self.widget.setPlaceholderText(placeholder_text)
3362 	def __init__(self, glb, label, placeholder_text, column_name, parent):  argument
3363 		super(NonNegativeIntegerRangesDataItem, self).__init__(glb, label, placeholder_text, parent)
3389 	def __init__(self, glb, label, placeholder_text, parent, id = "", default = ""):  argument
3390 		super(PositiveIntegerDataItem, self).__init__(glb, label, placeholder_text, parent, id, default)
3404 …def __init__(self, glb, label, placeholder_text, table_name, match_column, column_name1, column_na…  argument
3405 		super(SQLTableDataItem, self).__init__(glb, label, placeholder_text, parent)
3438 	def __init__(self, glb, label, placeholder_text, column_name, parent):  argument
3451 		if placeholder_text:
3452 			placeholder_text += ", between " + str(self.first_time) + " and " + str(self.last_time)
3454 		super(SampleTimeRangesDataItem, self).__init__(glb, label, placeholder_text, parent)