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84 lines
2.8 KiB
Python
84 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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NumberInputPanel.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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__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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import os
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from PyQt4 import uic
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from math import log10, floor
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from processing.gui.NumberInputDialog import NumberInputDialog
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pluginPath = os.path.split(os.path.dirname(__file__))[0]
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WIDGET, BASE = uic.loadUiType(
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os.path.join(pluginPath, 'ui', 'widgetNumberSelector.ui'))
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class NumberInputPanel(BASE, WIDGET):
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def __init__(self, number, minimum, maximum, isInteger):
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super(NumberInputPanel, self).__init__(None)
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self.setupUi(self)
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self.isInteger = isInteger
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if self.isInteger:
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self.spnValue.setDecimals(0)
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else:
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#Guess reasonable step value
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if (maximum == 0 or maximum) and (minimum == 0 or minimum):
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self.spnValue.setSingleStep(self.calculateStep(minimum, maximum))
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if maximum == 0 or maximum:
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self.spnValue.setMaximum(maximum)
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else:
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self.spnValue.setMaximum(99999999)
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if minimum == 0 or minimum:
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self.spnValue.setMinimum(minimum)
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else:
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self.spnValue.setMinimum(-99999999)
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self.spnValue.setValue(float(number))
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self.btnCalc.clicked.connect(self.showNumberInputDialog)
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def showNumberInputDialog(self):
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dlg = NumberInputDialog(self.isInteger)
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dlg.exec_()
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if dlg.value is not None:
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self.spnValue.setValue(dlg.value)
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def getValue(self):
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return self.spnValue.value()
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def calculateStep(self, minimum, maximum):
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valueRange = maximum - minimum
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if valueRange <= 1.0:
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step = valueRange / 10.0
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# round to 1 significant figure
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return round(step, -int(floor(log10(step))))
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else:
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return 1.0
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