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86 lines
3.1 KiB
Python
86 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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ParameterNumber.py
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---------------------
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Date : August 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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from PyQt4 import QtGui
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__author__ = 'Victor Olaya'
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__date__ = 'August 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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from processing.parameters.Parameter import Parameter
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from PyQt4.QtGui import *
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class ParameterNumber(Parameter):
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def __init__(self, name="", description="", minValue = None, maxValue = None, default = 0.0):
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Parameter.__init__(self, name, description)
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'''if the passed value is an int or looks like one, then we assume that float values
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are not allowed'''
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try:
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self.default = int(str(default))
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self.isInteger = True
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except:
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self.default = default
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self.isInteger = False
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self.min = minValue
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self.max = maxValue
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self.value = None
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def setValue(self, n):
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if n is None:
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self.value = self.default
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return True
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try:
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if (float(n) - int(float(n)) == 0):
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value = int(float(n))
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else:
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value = float(n)
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if self.min is not None:
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if value < self.min:
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return False
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if self.max is not None:
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if value > self.max:
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return False
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self.value = value
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return True
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except:
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return False
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def serialize(self):
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return self.__module__.split(".")[-1] + "|" + self.name + "|" + self.description +\
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"|" + str(self.min) + "|" + str(self.max) + "|" + str(self.default)
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def deserialize(self, s):
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tokens = s.split("|")
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for i in range (3,5):
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if tokens[i] == str(None):
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tokens[i] = None
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else:
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tokens[i] = float(tokens[i])
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'''we force the default to int if possible, since that indicates if it is restricted
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to ints or not'''
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try:
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val = int(tokens[5])
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except:
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val = float(tokens[5])
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return ParameterNumber(tokens[1], tokens[2], tokens[3], tokens[4], val)
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def getAsScriptCode(self):
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return "##" + self.name + "=number " + str(self.default) |