# -*- coding: utf-8 -*- """ *************************************************************************** ParameterExtent.py --------------------- Date : August 2012 Copyright : (C) 2012 by Victor Olaya Email : volayaf at gmail dot com *************************************************************************** * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * *************************************************************************** """ __author__ = 'Victor Olaya' __date__ = 'August 2012' __copyright__ = '(C) 2012, Victor Olaya' # This will get replaced with a git SHA1 when you do a git archive __revision__ = '$Format:%H$' from processing.parameters.Parameter import Parameter class ParameterExtent(Parameter): USE_MIN_COVERING_EXTENT = "USE_MIN_COVERING_EXTENT" def __init__(self, name="", description="", default="0,1,0,1"): Parameter.__init__(self, name, description) self.default = default self.value = None #The value is a string in the form "xmin, xmax, ymin, y max" def setValue(self, text): if text is None: self.value = self.default return True tokens = text.split(",") if len(tokens)!= 4: return False try: n1 = float(tokens[0]) n2 = float(tokens[1]) n3 = float(tokens[2]) n4 = float(tokens[3]) self.value=text return True except: return False def getValueAsCommandLineParameter(self): return "\"" + str(self.value) + "\"" def serialize(self): return self.__module__.split(".")[-1] + "|" + self.name + "|" + self.description +\ "|" + str(self.default) def deserialize(self, s): tokens = s.split("|") return ParameterExtent(tokens[1], tokens[2], tokens[3])