2013-08-20 09:22:03 +02:00

59 lines
2.1 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
ParameterCrs.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 ParameterCrs(Parameter):
def __init__(self, name="", description="", default = "EPSG:4326"):
'''The value is the auth id of the CRS'''
Parameter.__init__(self, name, description)
self.value = None
self.default = default
def setValue(self, value):
if value is None:
self.value = self.default
return True
#TODO: check it is a valid authid
self.value = str(value)
return True
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("|")
if tokens[3]==str(None):
tokens[3] = None
return ParameterCrs(tokens[1], tokens[2], tokens[3])
def getAsScriptCode(self):
return "##" + self.name + "=crs " + str(self.default)