1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
# -*- coding: utf-8 -*-
"""
***************************************************************************
NumberInputPanel.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__ = '$Format:%H$'
import os
from PyQt4 import uic
from PyQt4.QtCore import pyqtSignal
from math import log10, floor
from processing.gui.NumberInputDialog import NumberInputDialog
pluginPath = os.path.split(os.path.dirname(__file__))[0]
WIDGET, BASE = uic.loadUiType(
os.path.join(pluginPath, 'ui', 'widgetNumberSelector.ui'))
class NumberInputPanel(BASE, WIDGET):
hasChanged = pyqtSignal()
def __init__(self, number, minimum, maximum, isInteger):
super(NumberInputPanel, self).__init__(None)
self.setupUi(self)
self.isInteger = isInteger
if self.isInteger:
self.spnValue.setDecimals(0)
else:
#Guess reasonable step value
if (maximum == 0 or maximum) and (minimum == 0 or minimum):
self.spnValue.setSingleStep(self.calculateStep(minimum, maximum))
if maximum == 0 or maximum:
self.spnValue.setMaximum(maximum)
else:
self.spnValue.setMaximum(99999999)
if minimum == 0 or minimum:
self.spnValue.setMinimum(minimum)
else:
self.spnValue.setMinimum(-99999999)
#Set default value
if number == 0 or number:
self.spnValue.setValue(float(number))
self.spnValue.setClearValue(float(number))
elif minimum == 0 or minimum:
self.spnValue.setValue(float(minimum))
self.spnValue.setClearValue(float(minimum))
else:
self.spnValue.setValue(0)
self.spnValue.setClearValue(0)
self.btnCalc.clicked.connect(self.showNumberInputDialog)
self.spnValue.valueChanged.connect(lambda: self.hasChanged.emit())
def showNumberInputDialog(self):
dlg = NumberInputDialog(self.isInteger)
dlg.exec_()
if dlg.value is not None:
self.spnValue.setValue(dlg.value)
def getValue(self):
return self.spnValue.value()
def calculateStep(self, minimum, maximum):
valueRange = maximum - minimum
if valueRange <= 1.0:
step = valueRange / 10.0
# round to 1 significant figure
return round(step, -int(floor(log10(step))))
else:
return 1.0
|
