1 | """ |
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2 | Widget/logic for smearing data. |
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3 | """ |
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4 | from PyQt4 import QtGui |
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5 | from PyQt4 import QtCore |
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6 | |
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7 | from sas.sasgui.guiframe.dataFitting import Data1D |
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8 | from sas.sasgui.guiframe.dataFitting import Data2D |
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9 | |
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10 | # Local UI |
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11 | from UI.SmearingWidgetUI import Ui_SmearingWidgetUI |
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12 | |
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13 | class DataWidgetMapper(QtGui.QDataWidgetMapper): |
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14 | def addMapping(self, widget, section, propertyName=None): |
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15 | if propertyName is None: |
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16 | super(DataWidgetMapper, self).addMapping(widget, section) |
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17 | else: |
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18 | super(DataWidgetMapper, self).addMapping(widget, section, propertyName) |
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19 | |
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20 | if isinstance(widget, QtGui.QComboBox): |
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21 | delegate = self.itemDelegate() |
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22 | widget.currentIndexChanged.connect(lambda: delegate.commitData.emit(widget)) |
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23 | |
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24 | SMEARING_1D = ["Custom Pinhole Smear", "Custom Slit Smear"] |
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25 | SMEARING_2D = ["Custom Pinhole Smear"] |
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26 | |
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27 | MODEL = [ |
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28 | 'SMEARING', |
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29 | 'PINHOLE_MIN', |
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30 | 'PINHOLE_MAX', |
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31 | 'ACCURACY'] |
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32 | |
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33 | class SmearingWidget(QtGui.QWidget, Ui_SmearingWidgetUI): |
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34 | def __init__(self, parent=None): |
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35 | super(SmearingWidget, self).__init__() |
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36 | |
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37 | self.setupUi(self) |
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38 | self.cbSmearing.currentIndexChanged.connect(self.onIndexChange) |
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39 | self.cbSmearing.setCurrentIndex(0) |
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40 | self.is_data = None |
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41 | self.model = None |
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42 | self.mapper = None |
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43 | |
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44 | self.initModel() |
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45 | self.initMapper() |
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46 | |
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47 | def initModel(self): |
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48 | """ |
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49 | Initialize the state |
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50 | """ |
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51 | self.model = QtGui.QStandardItemModel() |
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52 | for model_item in xrange(len(MODEL)): |
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53 | self.model.setItem(model_item, QtGui.QStandardItem()) |
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54 | |
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55 | self.model.dataChanged.connect(self.onModelChange) |
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56 | |
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57 | ##self.modelReset() |
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58 | |
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59 | def initMapper(self): |
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60 | """ |
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61 | Initialize model item <-> UI element mapping |
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62 | """ |
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63 | #self.mapper = QtGui.QDataWidgetMapper(self) |
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64 | self.mapper = DataWidgetMapper(self) |
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65 | |
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66 | self.mapper.setModel(self.model) |
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67 | self.mapper.setOrientation(QtCore.Qt.Vertical) |
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68 | |
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69 | self.mapper.addMapping(self.txtSmearUp, MODEL.index('PINHOLE_MIN')) |
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70 | self.mapper.addMapping(self.txtSmearDown, MODEL.index('PINHOLE_MAX')) |
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71 | self.mapper.addMapping(self.cbSmearing, MODEL.index('SMEARING')) |
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72 | self.mapper.addMapping(self.cbAccuracy, MODEL.index('ACCURACY')) |
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73 | self.mapper.toFirst() |
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74 | |
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75 | def updateSmearing(self, data=None): |
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76 | """ |
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77 | Update control elements based on data passed |
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78 | """ |
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79 | self.cbSmearing.clear() |
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80 | self.cbSmearing.addItem("None") |
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81 | self.cbAccuracy.setVisible(False) |
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82 | |
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83 | if data is None: |
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84 | self.setElementsVisibility(False) |
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85 | elif isinstance(data, Data1D): |
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86 | self.cbSmearing.addItems(SMEARING_1D) |
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87 | self.is_data = Data1D |
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88 | else: |
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89 | self.cbSmearing.addItems(SMEARING_2D) |
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90 | self.is_data = Data2D |
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91 | self.cbSmearing.setCurrentIndex(0) |
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92 | |
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93 | def onIndexChange(self, index): |
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94 | """ |
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95 | Callback for smearing combobox index change |
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96 | """ |
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97 | if index == 0: |
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98 | self.setElementsVisibility(False) |
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99 | return |
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100 | elif index == 1: |
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101 | self.setElementsVisibility(True) |
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102 | self.setPinholeLabels() |
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103 | elif index == 2: |
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104 | self.setElementsVisibility(True) |
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105 | self.setSlitLabels() |
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106 | |
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107 | def onModelChange(self, top, bottom): |
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108 | """ |
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109 | """ |
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110 | print "MODEL CHANGED: ", top, bottom |
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111 | pass |
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112 | |
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113 | def setElementsVisibility(self, visible): |
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114 | """ |
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115 | Labels and linedits visibility control |
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116 | """ |
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117 | self.lblSmearDown.setVisible(visible) |
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118 | self.lblSmearUp.setVisible(visible) |
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119 | self.txtSmearDown.setVisible(visible) |
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120 | self.txtSmearUp.setVisible(visible) |
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121 | self.label_14.setVisible(visible) |
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122 | self.label_15.setVisible(visible) |
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123 | self.setAccuracyVisibility() |
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124 | |
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125 | def setAccuracyVisibility(self): |
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126 | """ |
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127 | Accuracy combobox visibility |
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128 | """ |
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129 | if self.is_data == Data2D and self.cbSmearing.currentIndex() == 1: |
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130 | self.cbAccuracy.setVisible(True) |
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131 | else: |
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132 | self.cbAccuracy.setVisible(False) |
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133 | |
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134 | def setPinholeLabels(self): |
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135 | """ |
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136 | Use pinhole labels |
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137 | """ |
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138 | self.lblSmearUp.setText('<html><head/><body><p>dQ<span style=" vertical-align:sub;">low</span></p></body></html>') |
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139 | self.lblSmearDown.setText('<html><head/><body><p>dQ<span style=" vertical-align:sub;">high</span></p></body></html>') |
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140 | |
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141 | def setSlitLabels(self): |
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142 | """ |
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143 | Use pinhole labels |
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144 | """ |
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145 | self.lblSmearUp.setText('Slit height') |
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146 | self.lblSmearDown.setText('Slit width') |
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147 | |
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148 | def state(self): |
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149 | """ |
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150 | Returns current state of controls |
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151 | """ |
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152 | |
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