[731efec] | 1 | import logging |
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[676f137] | 2 | |
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[116dd4c1] | 3 | from twisted.internet import threads |
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| 4 | |
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[676f137] | 5 | import sas.qtgui.Utilities.GuiUtils as GuiUtils |
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[14ec91c5] | 6 | import sas.qtgui.Utilities.LocalConfig as LocalConfig |
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| 7 | |
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[676f137] | 8 | from PyQt5 import QtGui, QtCore, QtWidgets |
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| 9 | |
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[116dd4c1] | 10 | from sas.sascalc.fit.BumpsFitting import BumpsFit as Fit |
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[676f137] | 11 | |
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[116dd4c1] | 12 | import sas.qtgui.Utilities.ObjectLibrary as ObjectLibrary |
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[676f137] | 13 | from sas.qtgui.Perspectives.Fitting.UI.ConstraintWidgetUI import Ui_ConstraintWidgetUI |
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[be8f4b0] | 14 | from sas.qtgui.Perspectives.Fitting.FittingWidget import FittingWidget |
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[116dd4c1] | 15 | from sas.qtgui.Perspectives.Fitting.FitThread import FitThread |
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| 16 | from sas.qtgui.Perspectives.Fitting.ConsoleUpdate import ConsoleUpdate |
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[2d466e4] | 17 | from sas.qtgui.Perspectives.Fitting.ComplexConstraint import ComplexConstraint |
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[14ec91c5] | 18 | from sas.qtgui.Perspectives.Fitting.Constraint import Constraint |
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[676f137] | 19 | |
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| 20 | class ConstraintWidget(QtWidgets.QWidget, Ui_ConstraintWidgetUI): |
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| 21 | """ |
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[be8f4b0] | 22 | Constraints Dialog to select the desired parameter/model constraints. |
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[676f137] | 23 | """ |
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| 24 | |
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[14ec91c5] | 25 | def __init__(self, parent=None): |
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[676f137] | 26 | super(ConstraintWidget, self).__init__() |
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| 27 | self.parent = parent |
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| 28 | self.setupUi(self) |
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| 29 | self.currentType = "FitPage" |
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[116dd4c1] | 30 | # Page id for fitting |
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| 31 | # To keep with previous SasView values, use 300 as the start offset |
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[14ec91c5] | 32 | self.page_id = 301 |
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[676f137] | 33 | |
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[47d7d2d] | 34 | # Remember previous content of modified cell |
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| 35 | self.current_cell = "" |
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| 36 | |
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[ba01ad1] | 37 | # Tabs used in simultaneous fitting |
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| 38 | # tab_name : True/False |
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| 39 | self.tabs_for_fitting = {} |
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| 40 | |
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[be8f4b0] | 41 | # Set up the widgets |
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| 42 | self.initializeWidgets() |
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| 43 | |
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[676f137] | 44 | # Set up signals/slots |
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| 45 | self.initializeSignals() |
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| 46 | |
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| 47 | # Create the list of tabs |
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[be8f4b0] | 48 | self.initializeFitList() |
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| 49 | |
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| 50 | def acceptsData(self): |
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| 51 | """ Tells the caller this widget doesn't accept data """ |
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| 52 | return False |
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| 53 | |
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| 54 | def initializeWidgets(self): |
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| 55 | """ |
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| 56 | Set up various widget states |
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| 57 | """ |
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[47d7d2d] | 58 | labels = ['FitPage', 'Model', 'Data', 'Mnemonic'] |
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[be8f4b0] | 59 | # tab widget - headers |
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[47d7d2d] | 60 | self.editable_tab_columns = [labels.index('Mnemonic')] |
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[be8f4b0] | 61 | self.tblTabList.setColumnCount(len(labels)) |
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| 62 | self.tblTabList.setHorizontalHeaderLabels(labels) |
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| 63 | self.tblTabList.horizontalHeader().setSectionResizeMode(QtWidgets.QHeaderView.Stretch) |
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| 64 | |
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| 65 | self.tblTabList.setContextMenuPolicy(QtCore.Qt.CustomContextMenu) |
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| 66 | self.tblTabList.customContextMenuRequested.connect(self.showModelContextMenu) |
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| 67 | |
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| 68 | # disabled constraint |
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| 69 | labels = ['Constraint'] |
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| 70 | self.tblConstraints.setColumnCount(len(labels)) |
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| 71 | self.tblConstraints.setHorizontalHeaderLabels(labels) |
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| 72 | self.tblConstraints.horizontalHeader().setSectionResizeMode(QtWidgets.QHeaderView.Stretch) |
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| 73 | self.tblConstraints.setEnabled(False) |
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| 74 | |
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| 75 | self.tblConstraints.setContextMenuPolicy(QtCore.Qt.CustomContextMenu) |
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| 76 | self.tblConstraints.customContextMenuRequested.connect(self.showConstrContextMenu) |
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[676f137] | 77 | |
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| 78 | def initializeSignals(self): |
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| 79 | """ |
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| 80 | Set up signals/slots for this widget |
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| 81 | """ |
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[47d7d2d] | 82 | # simple widgets |
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[676f137] | 83 | self.btnSingle.toggled.connect(self.onFitTypeChange) |
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| 84 | self.btnBatch.toggled.connect(self.onFitTypeChange) |
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[be8f4b0] | 85 | self.cbCases.currentIndexChanged.connect(self.onSpecialCaseChange) |
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[676f137] | 86 | self.cmdFit.clicked.connect(self.onFit) |
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| 87 | self.cmdHelp.clicked.connect(self.onHelp) |
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[47d7d2d] | 88 | |
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| 89 | # QTableWidgets |
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[ba01ad1] | 90 | self.tblTabList.cellChanged.connect(self.onTabCellEdit) |
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[47d7d2d] | 91 | self.tblTabList.cellDoubleClicked.connect(self.onTabCellEntered) |
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| 92 | self.tblConstraints.cellChanged.connect(self.onConstraintChange) |
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| 93 | |
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| 94 | # External signals |
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[a90c9c5] | 95 | self.parent.tabsModifiedSignal.connect(self.initializeFitList) |
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[be8f4b0] | 96 | |
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| 97 | def updateSignalsFromTab(self, tab=None): |
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| 98 | """ |
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| 99 | Intercept update signals from fitting tabs |
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| 100 | """ |
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[731efec] | 101 | if tab is None: |
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| 102 | return |
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| 103 | tab_object = ObjectLibrary.getObject(tab) |
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| 104 | |
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| 105 | # Disconnect all local slots |
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| 106 | tab_object.disconnect() |
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| 107 | |
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| 108 | # Reconnect tab signals to local slots |
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| 109 | tab_object.constraintAddedSignal.connect(self.initializeFitList) |
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| 110 | tab_object.newModelSignal.connect(self.initializeFitList) |
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[676f137] | 111 | |
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| 112 | def onFitTypeChange(self, checked): |
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| 113 | """ |
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| 114 | Respond to the fit type change |
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| 115 | single fit/batch fit |
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| 116 | """ |
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[ba01ad1] | 117 | source = self.sender().objectName() |
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| 118 | self.currentType = "BatchPage" if source == "btnBatch" else "FitPage" |
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| 119 | self.initializeFitList() |
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[676f137] | 120 | |
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| 121 | def onSpecialCaseChange(self, index): |
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| 122 | """ |
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| 123 | Respond to the combobox change for special case constraint sets |
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| 124 | """ |
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| 125 | pass |
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| 126 | |
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[14ec91c5] | 127 | def getTabsForFit(self): |
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| 128 | """ |
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| 129 | Returns list of tab names selected for fitting |
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| 130 | """ |
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| 131 | return [tab for tab in self.tabs_for_fitting if self.tabs_for_fitting[tab]] |
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| 132 | |
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[676f137] | 133 | def onFit(self): |
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| 134 | """ |
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| 135 | Perform the constrained/simultaneous fit |
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| 136 | """ |
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[116dd4c1] | 137 | # Find out all tabs to fit |
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[14ec91c5] | 138 | tabs_to_fit = self.getTabsForFit() |
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[116dd4c1] | 139 | |
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| 140 | # Single fitter for the simultaneous run |
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[6ca0da0] | 141 | fitter = Fit() |
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| 142 | fitter.fitter_id = self.page_id |
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[116dd4c1] | 143 | |
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[14ec91c5] | 144 | # Notify the parent about fitting started |
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| 145 | self.parent.fittingStartedSignal.emit(tabs_to_fit) |
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| 146 | |
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[116dd4c1] | 147 | # prepare fitting problems for each tab |
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| 148 | # |
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| 149 | page_ids = [] |
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| 150 | fitter_id = 0 |
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[6ca0da0] | 151 | sim_fitter_list=[fitter] |
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[c6343a5] | 152 | # Prepare the fitter object |
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| 153 | try: |
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| 154 | for tab in tabs_to_fit: |
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| 155 | tab_object = ObjectLibrary.getObject(tab) |
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| 156 | if tab_object is None: |
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| 157 | # No such tab! |
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| 158 | return |
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[6ca0da0] | 159 | sim_fitter_list, fitter_id = tab_object.prepareFitters(fitter=sim_fitter_list[0], fit_id=fitter_id) |
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[c6343a5] | 160 | page_ids.append([tab_object.page_id]) |
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[6ca0da0] | 161 | except ValueError: |
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[c6343a5] | 162 | # No parameters selected in one of the tabs |
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| 163 | no_params_msg = "Fitting can not be performed.\n" +\ |
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| 164 | "Not all tabs chosen for fitting have parameters selected for fitting." |
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[6ca0da0] | 165 | QtWidgets.QMessageBox.question(self, |
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| 166 | 'Warning', |
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| 167 | no_params_msg, |
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| 168 | QtWidgets.QMessageBox.Ok) |
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[c6343a5] | 169 | |
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| 170 | return |
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[116dd4c1] | 171 | |
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| 172 | # Create the fitting thread, based on the fitter |
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| 173 | completefn = self.onBatchFitComplete if self.currentType=='BatchPage' else self.onFitComplete |
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| 174 | |
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[14ec91c5] | 175 | if LocalConfig.USING_TWISTED: |
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| 176 | handler = None |
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| 177 | updater = None |
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| 178 | else: |
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| 179 | handler = ConsoleUpdate(parent=self.parent, |
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| 180 | manager=self, |
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| 181 | improvement_delta=0.1) |
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| 182 | updater = handler.update_fit |
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[116dd4c1] | 183 | |
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| 184 | batch_inputs = {} |
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| 185 | batch_outputs = {} |
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| 186 | |
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| 187 | # new fit thread object |
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| 188 | calc_fit = FitThread(handler=handler, |
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[6ca0da0] | 189 | fn=sim_fitter_list, |
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[116dd4c1] | 190 | batch_inputs=batch_inputs, |
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| 191 | batch_outputs=batch_outputs, |
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| 192 | page_id=page_ids, |
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| 193 | updatefn=updater, |
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| 194 | completefn=completefn) |
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| 195 | |
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[14ec91c5] | 196 | if LocalConfig.USING_TWISTED: |
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| 197 | # start the trhrhread with twisted |
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| 198 | calc_thread = threads.deferToThread(calc_fit.compute) |
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| 199 | calc_thread.addCallback(completefn) |
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| 200 | calc_thread.addErrback(self.onFitFailed) |
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| 201 | else: |
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| 202 | # Use the old python threads + Queue |
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| 203 | calc_fit.queue() |
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| 204 | calc_fit.ready(2.5) |
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[116dd4c1] | 205 | |
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| 206 | |
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| 207 | #disable the Fit button |
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| 208 | self.cmdFit.setText('Running...') |
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| 209 | self.parent.communicate.statusBarUpdateSignal.emit('Fitting started...') |
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| 210 | self.cmdFit.setEnabled(False) |
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[676f137] | 211 | |
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| 212 | def onHelp(self): |
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| 213 | """ |
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[c6343a5] | 214 | Show the "Fitting" section of help |
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[676f137] | 215 | """ |
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[c6343a5] | 216 | tree_location = "/user/sasgui/perspectives/fitting/" |
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| 217 | |
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| 218 | helpfile = "fitting_help.html#simultaneous-fit-mode" |
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| 219 | help_location = tree_location + helpfile |
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| 220 | |
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| 221 | # OMG, really? Crawling up the object hierarchy... |
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| 222 | self.parent.parent.showHelp(help_location) |
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[676f137] | 223 | |
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[ba01ad1] | 224 | def onTabCellEdit(self, row, column): |
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[47d7d2d] | 225 | """ |
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[ba01ad1] | 226 | Respond to check/uncheck and to modify the model moniker actions |
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[47d7d2d] | 227 | """ |
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[ba01ad1] | 228 | item = self.tblTabList.item(row, column) |
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| 229 | if column == 0: |
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| 230 | # Update the tabs for fitting list |
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| 231 | tab_name = item.text() |
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| 232 | self.tabs_for_fitting[tab_name] = (item.checkState() == QtCore.Qt.Checked) |
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| 233 | # Enable fitting only when there are models to fit |
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| 234 | self.cmdFit.setEnabled(any(self.tabs_for_fitting.values())) |
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| 235 | |
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[47d7d2d] | 236 | if column not in self.editable_tab_columns: |
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| 237 | return |
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| 238 | new_moniker = item.data(0) |
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| 239 | |
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| 240 | # The new name should be validated on the fly, with QValidator |
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| 241 | # but let's just assure it post-factum |
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| 242 | is_good_moniker = self.validateMoniker(new_moniker) |
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| 243 | if not is_good_moniker: |
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[eb1a386] | 244 | self.tblTabList.blockSignals(True) |
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[47d7d2d] | 245 | item.setBackground(QtCore.Qt.red) |
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[eb1a386] | 246 | self.tblTabList.blockSignals(False) |
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[47d7d2d] | 247 | self.cmdFit.setEnabled(False) |
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[ba01ad1] | 248 | return |
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| 249 | self.tblTabList.blockSignals(True) |
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| 250 | item.setBackground(QtCore.Qt.white) |
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| 251 | self.tblTabList.blockSignals(False) |
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| 252 | self.cmdFit.setEnabled(True) |
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| 253 | if not self.current_cell: |
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| 254 | return |
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| 255 | # Remember the value |
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| 256 | if self.current_cell not in self.available_tabs: |
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| 257 | return |
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| 258 | temp_tab = self.available_tabs[self.current_cell] |
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| 259 | # Remove the key from the dictionaries |
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| 260 | self.available_tabs.pop(self.current_cell, None) |
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| 261 | # Change the model name |
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| 262 | model = temp_tab.kernel_module |
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| 263 | model.name = new_moniker |
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| 264 | # Replace constraint name |
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| 265 | temp_tab.replaceConstraintName(self.current_cell, new_moniker) |
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[0764593] | 266 | # Replace constraint name in the remaining tabs |
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| 267 | for tab in self.available_tabs.values(): |
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| 268 | tab.replaceConstraintName(self.current_cell, new_moniker) |
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[ba01ad1] | 269 | # Reinitialize the display |
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| 270 | self.initializeFitList() |
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[47d7d2d] | 271 | |
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| 272 | def onConstraintChange(self, row, column): |
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| 273 | """ |
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[116dd4c1] | 274 | Modify the constraint's "active" instance variable. |
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[47d7d2d] | 275 | """ |
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[ba01ad1] | 276 | item = self.tblConstraints.item(row, column) |
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| 277 | if column == 0: |
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| 278 | # Update the tabs for fitting list |
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| 279 | constraint = self.available_constraints[row] |
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| 280 | constraint.active = (item.checkState() == QtCore.Qt.Checked) |
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[47d7d2d] | 281 | |
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| 282 | def onTabCellEntered(self, row, column): |
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| 283 | """ |
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| 284 | Remember the original tab list cell data. |
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| 285 | Needed for reverting back on bad validation |
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| 286 | """ |
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| 287 | if column != 3: |
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| 288 | return |
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| 289 | self.current_cell = self.tblTabList.item(row, column).data(0) |
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| 290 | |
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[116dd4c1] | 291 | def onFitComplete(self, result): |
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| 292 | """ |
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| 293 | Respond to the successful fit complete signal |
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| 294 | """ |
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[17968c3] | 295 | #re-enable the Fit button |
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| 296 | self.cmdFit.setText("Fit") |
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| 297 | self.cmdFit.setEnabled(True) |
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| 298 | |
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[14ec91c5] | 299 | # Notify the parent about completed fitting |
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| 300 | self.parent.fittingStoppedSignal.emit(self.getTabsForFit()) |
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| 301 | |
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[235d766] | 302 | # Assure the fitting succeeded |
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| 303 | if result is None or not result: |
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| 304 | msg = "Fitting failed. Please ensure correctness of chosen constraints." |
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| 305 | self.parent.communicate.statusBarUpdateSignal.emit(msg) |
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| 306 | return |
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| 307 | |
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[c6343a5] | 308 | # get the elapsed time |
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| 309 | elapsed = result[1] |
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| 310 | |
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| 311 | # result list |
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| 312 | results = result[0][0] |
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| 313 | |
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| 314 | # Find out all tabs to fit |
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| 315 | tabs_to_fit = [tab for tab in self.tabs_for_fitting if self.tabs_for_fitting[tab]] |
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| 316 | |
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| 317 | # update all involved tabs |
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| 318 | for i, tab in enumerate(tabs_to_fit): |
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| 319 | tab_object = ObjectLibrary.getObject(tab) |
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| 320 | if tab_object is None: |
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| 321 | # No such tab. removed while job was running |
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| 322 | return |
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| 323 | # Make sure result and target objects are the same (same model moniker) |
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| 324 | if tab_object.kernel_module.name == results[i].model.name: |
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| 325 | tab_object.fitComplete(([[results[i]]], elapsed)) |
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[116dd4c1] | 326 | |
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[17968c3] | 327 | msg = "Fitting completed successfully in: %s s.\n" % GuiUtils.formatNumber(elapsed) |
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| 328 | self.parent.communicate.statusBarUpdateSignal.emit(msg) |
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| 329 | |
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[116dd4c1] | 330 | def onBatchFitComplete(self, result): |
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| 331 | """ |
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| 332 | Respond to the successful batch fit complete signal |
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| 333 | """ |
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[17968c3] | 334 | #re-enable the Fit button |
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| 335 | self.cmdFit.setText("Fit") |
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| 336 | self.cmdFit.setEnabled(True) |
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| 337 | |
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[14ec91c5] | 338 | # Notify the parent about completed fitting |
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| 339 | self.parent.fittingStoppedSignal.emit(self.getTabsForFit()) |
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| 340 | |
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[17968c3] | 341 | # get the elapsed time |
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| 342 | elapsed = result[1] |
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| 343 | |
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| 344 | # ADD THE BATCH FIT VIEW HERE |
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| 345 | # |
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| 346 | |
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| 347 | msg = "Fitting completed successfully in: %s s.\n" % GuiUtils.formatNumber(elapsed) |
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| 348 | self.parent.communicate.statusBarUpdateSignal.emit(msg) |
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| 349 | |
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[116dd4c1] | 350 | def onFitFailed(self, reason): |
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| 351 | """ |
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[17968c3] | 352 | Respond to fitting failure. |
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[116dd4c1] | 353 | """ |
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[17968c3] | 354 | #re-enable the Fit button |
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| 355 | self.cmdFit.setText("Fit") |
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| 356 | self.cmdFit.setEnabled(True) |
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| 357 | |
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[14ec91c5] | 358 | # Notify the parent about completed fitting |
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| 359 | self.parent.fittingStoppedSignal.emit(self.getTabsForFit()) |
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| 360 | |
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[17968c3] | 361 | msg = "Fitting failed: %s s.\n" % reason |
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| 362 | self.parent.communicate.statusBarUpdateSignal.emit(msg) |
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[116dd4c1] | 363 | |
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[be8f4b0] | 364 | def isTabImportable(self, tab): |
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[676f137] | 365 | """ |
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[be8f4b0] | 366 | Determines if the tab can be imported and included in the widget |
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[676f137] | 367 | """ |
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[da9a0722] | 368 | if not isinstance(tab, str): return False |
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[be8f4b0] | 369 | if not self.currentType in tab: return False |
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| 370 | object = ObjectLibrary.getObject(tab) |
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| 371 | if not isinstance(object, FittingWidget): return False |
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| 372 | if object.data is None: return False |
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| 373 | return True |
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| 374 | |
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| 375 | def showModelContextMenu(self, position): |
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| 376 | """ |
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| 377 | Show context specific menu in the tab table widget. |
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| 378 | """ |
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| 379 | menu = QtWidgets.QMenu() |
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| 380 | rows = [s.row() for s in self.tblTabList.selectionModel().selectedRows()] |
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| 381 | num_rows = len(rows) |
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| 382 | if num_rows <= 0: |
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[676f137] | 383 | return |
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[be8f4b0] | 384 | # Select for fitting |
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| 385 | param_string = "Fit Page " if num_rows==1 else "Fit Pages " |
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[676f137] | 386 | |
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[be8f4b0] | 387 | self.actionSelect = QtWidgets.QAction(self) |
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| 388 | self.actionSelect.setObjectName("actionSelect") |
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| 389 | self.actionSelect.setText(QtCore.QCoreApplication.translate("self", "Select "+param_string+" for fitting")) |
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| 390 | # Unselect from fitting |
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| 391 | self.actionDeselect = QtWidgets.QAction(self) |
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| 392 | self.actionDeselect.setObjectName("actionDeselect") |
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| 393 | self.actionDeselect.setText(QtCore.QCoreApplication.translate("self", "De-select "+param_string+" from fitting")) |
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| 394 | |
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| 395 | self.actionRemoveConstraint = QtWidgets.QAction(self) |
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| 396 | self.actionRemoveConstraint.setObjectName("actionRemoveConstrain") |
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| 397 | self.actionRemoveConstraint.setText(QtCore.QCoreApplication.translate("self", "Remove all constraints on selected models")) |
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| 398 | |
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| 399 | self.actionMutualMultiConstrain = QtWidgets.QAction(self) |
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| 400 | self.actionMutualMultiConstrain.setObjectName("actionMutualMultiConstrain") |
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| 401 | self.actionMutualMultiConstrain.setText(QtCore.QCoreApplication.translate("self", "Mutual constrain of parameters in selected models...")) |
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| 402 | |
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| 403 | menu.addAction(self.actionSelect) |
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| 404 | menu.addAction(self.actionDeselect) |
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| 405 | menu.addSeparator() |
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| 406 | |
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| 407 | if num_rows >= 2: |
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| 408 | menu.addAction(self.actionMutualMultiConstrain) |
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[676f137] | 409 | |
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[be8f4b0] | 410 | # Define the callbacks |
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[47d7d2d] | 411 | self.actionMutualMultiConstrain.triggered.connect(self.showMultiConstraint) |
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[be8f4b0] | 412 | self.actionSelect.triggered.connect(self.selectModels) |
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| 413 | self.actionDeselect.triggered.connect(self.deselectModels) |
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| 414 | try: |
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| 415 | menu.exec_(self.tblTabList.viewport().mapToGlobal(position)) |
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| 416 | except AttributeError as ex: |
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| 417 | logging.error("Error generating context menu: %s" % ex) |
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| 418 | return |
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| 419 | |
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| 420 | def showConstrContextMenu(self, position): |
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[676f137] | 421 | """ |
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[be8f4b0] | 422 | Show context specific menu in the tab table widget. |
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[676f137] | 423 | """ |
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[be8f4b0] | 424 | menu = QtWidgets.QMenu() |
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| 425 | rows = [s.row() for s in self.tblConstraints.selectionModel().selectedRows()] |
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| 426 | num_rows = len(rows) |
---|
| 427 | if num_rows <= 0: |
---|
| 428 | return |
---|
| 429 | # Select for fitting |
---|
| 430 | param_string = "constraint " if num_rows==1 else "constraints " |
---|
| 431 | |
---|
| 432 | self.actionSelect = QtWidgets.QAction(self) |
---|
| 433 | self.actionSelect.setObjectName("actionSelect") |
---|
| 434 | self.actionSelect.setText(QtCore.QCoreApplication.translate("self", "Select "+param_string+" for fitting")) |
---|
| 435 | # Unselect from fitting |
---|
| 436 | self.actionDeselect = QtWidgets.QAction(self) |
---|
| 437 | self.actionDeselect.setObjectName("actionDeselect") |
---|
| 438 | self.actionDeselect.setText(QtCore.QCoreApplication.translate("self", "De-select "+param_string+" from fitting")) |
---|
[676f137] | 439 | |
---|
[be8f4b0] | 440 | self.actionRemoveConstraint = QtWidgets.QAction(self) |
---|
| 441 | self.actionRemoveConstraint.setObjectName("actionRemoveConstrain") |
---|
| 442 | self.actionRemoveConstraint.setText(QtCore.QCoreApplication.translate("self", "Remove "+param_string)) |
---|
| 443 | |
---|
| 444 | menu.addAction(self.actionSelect) |
---|
| 445 | menu.addAction(self.actionDeselect) |
---|
| 446 | menu.addSeparator() |
---|
| 447 | menu.addAction(self.actionRemoveConstraint) |
---|
| 448 | |
---|
| 449 | # Define the callbacks |
---|
| 450 | self.actionRemoveConstraint.triggered.connect(self.deleteConstraint) |
---|
| 451 | self.actionSelect.triggered.connect(self.selectConstraints) |
---|
| 452 | self.actionDeselect.triggered.connect(self.deselectConstraints) |
---|
| 453 | try: |
---|
| 454 | menu.exec_(self.tblConstraints.viewport().mapToGlobal(position)) |
---|
| 455 | except AttributeError as ex: |
---|
| 456 | logging.error("Error generating context menu: %s" % ex) |
---|
| 457 | return |
---|
| 458 | |
---|
| 459 | def selectConstraints(self): |
---|
| 460 | """ |
---|
| 461 | Selected constraints are chosen for fitting |
---|
| 462 | """ |
---|
| 463 | status = QtCore.Qt.Checked |
---|
| 464 | self.setRowSelection(self.tblConstraints, status) |
---|
| 465 | |
---|
| 466 | def deselectConstraints(self): |
---|
| 467 | """ |
---|
| 468 | Selected constraints are removed for fitting |
---|
| 469 | """ |
---|
| 470 | status = QtCore.Qt.Unchecked |
---|
| 471 | self.setRowSelection(self.tblConstraints, status) |
---|
| 472 | |
---|
| 473 | def selectModels(self): |
---|
| 474 | """ |
---|
| 475 | Selected models are chosen for fitting |
---|
| 476 | """ |
---|
| 477 | status = QtCore.Qt.Checked |
---|
| 478 | self.setRowSelection(self.tblTabList, status) |
---|
| 479 | |
---|
| 480 | def deselectModels(self): |
---|
| 481 | """ |
---|
| 482 | Selected models are removed for fitting |
---|
| 483 | """ |
---|
| 484 | status = QtCore.Qt.Unchecked |
---|
| 485 | self.setRowSelection(self.tblTabList, status) |
---|
| 486 | |
---|
| 487 | def selectedParameters(self, widget): |
---|
| 488 | """ Returns list of selected (highlighted) parameters """ |
---|
| 489 | return [s.row() for s in widget.selectionModel().selectedRows()] |
---|
| 490 | |
---|
| 491 | def setRowSelection(self, widget, status=QtCore.Qt.Unchecked): |
---|
| 492 | """ |
---|
| 493 | Selected models are chosen for fitting |
---|
| 494 | """ |
---|
| 495 | # Convert to proper indices and set requested enablement |
---|
| 496 | for row in self.selectedParameters(widget): |
---|
| 497 | widget.item(row, 0).setCheckState(status) |
---|
| 498 | |
---|
| 499 | def deleteConstraint(self):#, row): |
---|
| 500 | """ |
---|
| 501 | Delete all selected constraints. |
---|
| 502 | """ |
---|
[47d7d2d] | 503 | # Removing rows from the table we're iterating over, |
---|
| 504 | # so prepare a list of data first |
---|
[be8f4b0] | 505 | constraints_to_delete = [] |
---|
| 506 | for row in self.selectedParameters(self.tblConstraints): |
---|
| 507 | constraints_to_delete.append(self.tblConstraints.item(row, 0).data(0)) |
---|
| 508 | for constraint in constraints_to_delete: |
---|
| 509 | moniker = constraint[:constraint.index(':')] |
---|
| 510 | param = constraint[constraint.index(':')+1:constraint.index('=')].strip() |
---|
| 511 | tab = self.available_tabs[moniker] |
---|
| 512 | tab.deleteConstraintOnParameter(param) |
---|
| 513 | # Constraints removed - refresh the table widget |
---|
| 514 | self.initializeFitList() |
---|
| 515 | |
---|
[47d7d2d] | 516 | def uneditableItem(self, data=""): |
---|
| 517 | """ |
---|
| 518 | Returns an uneditable Table Widget Item |
---|
| 519 | """ |
---|
| 520 | item = QtWidgets.QTableWidgetItem(data) |
---|
| 521 | item.setFlags( QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled ) |
---|
| 522 | return item |
---|
| 523 | |
---|
[be8f4b0] | 524 | def updateFitLine(self, tab): |
---|
| 525 | """ |
---|
| 526 | Update a single line of the table widget with tab info |
---|
| 527 | """ |
---|
[ba01ad1] | 528 | fit_page = ObjectLibrary.getObject(tab) |
---|
| 529 | model = fit_page.kernel_module |
---|
[be8f4b0] | 530 | if model is None: |
---|
| 531 | return |
---|
| 532 | tab_name = tab |
---|
| 533 | model_name = model.id |
---|
| 534 | moniker = model.name |
---|
[ba01ad1] | 535 | model_data = fit_page.data |
---|
[be8f4b0] | 536 | model_filename = model_data.filename |
---|
[ba01ad1] | 537 | self.available_tabs[moniker] = fit_page |
---|
[be8f4b0] | 538 | |
---|
| 539 | # Update the model table widget |
---|
| 540 | pos = self.tblTabList.rowCount() |
---|
| 541 | self.tblTabList.insertRow(pos) |
---|
[47d7d2d] | 542 | item = self.uneditableItem(tab_name) |
---|
| 543 | item.setFlags(item.flags() ^ QtCore.Qt.ItemIsUserCheckable) |
---|
[ba01ad1] | 544 | if tab_name in self.tabs_for_fitting: |
---|
| 545 | state = QtCore.Qt.Checked if self.tabs_for_fitting[tab_name] else QtCore.Qt.Unchecked |
---|
| 546 | item.setCheckState(state) |
---|
| 547 | else: |
---|
| 548 | item.setCheckState(QtCore.Qt.Checked) |
---|
| 549 | self.tabs_for_fitting[tab_name] = True |
---|
| 550 | |
---|
[731efec] | 551 | # Disable signals so we don't get infinite call recursion |
---|
| 552 | self.tblTabList.blockSignals(True) |
---|
[be8f4b0] | 553 | self.tblTabList.setItem(pos, 0, item) |
---|
[47d7d2d] | 554 | self.tblTabList.setItem(pos, 1, self.uneditableItem(model_name)) |
---|
| 555 | self.tblTabList.setItem(pos, 2, self.uneditableItem(model_filename)) |
---|
| 556 | # Moniker is editable, so no option change |
---|
| 557 | item = QtWidgets.QTableWidgetItem(moniker) |
---|
| 558 | self.tblTabList.setItem(pos, 3, item) |
---|
| 559 | self.tblTabList.blockSignals(False) |
---|
[be8f4b0] | 560 | |
---|
| 561 | # Check if any constraints present in tab |
---|
[235d766] | 562 | constraint_names = fit_page.getComplexConstraintsForModel() |
---|
[ba01ad1] | 563 | constraints = fit_page.getConstraintObjectsForModel() |
---|
[be8f4b0] | 564 | if not constraints: |
---|
| 565 | return |
---|
| 566 | self.tblConstraints.setEnabled(True) |
---|
[731efec] | 567 | self.tblConstraints.blockSignals(True) |
---|
[ba01ad1] | 568 | for constraint, constraint_name in zip(constraints, constraint_names): |
---|
[be8f4b0] | 569 | # Create the text for widget item |
---|
[ba01ad1] | 570 | label = moniker + ":"+ constraint_name[0] + " = " + constraint_name[1] |
---|
| 571 | pos = self.tblConstraints.rowCount() |
---|
| 572 | self.available_constraints[pos] = constraint |
---|
[be8f4b0] | 573 | |
---|
| 574 | # Show the text in the constraint table |
---|
[ba01ad1] | 575 | item = self.uneditableItem(label) |
---|
| 576 | item.setFlags(item.flags() ^ QtCore.Qt.ItemIsUserCheckable) |
---|
[be8f4b0] | 577 | item.setCheckState(QtCore.Qt.Checked) |
---|
| 578 | self.tblConstraints.insertRow(pos) |
---|
| 579 | self.tblConstraints.setItem(pos, 0, item) |
---|
[731efec] | 580 | self.tblConstraints.blockSignals(False) |
---|
[be8f4b0] | 581 | |
---|
| 582 | def initializeFitList(self): |
---|
| 583 | """ |
---|
| 584 | Fill the list of model/data sets for fitting/constraining |
---|
| 585 | """ |
---|
| 586 | # look at the object library to find all fit tabs |
---|
| 587 | # Show the content of the current "model" |
---|
| 588 | objects = ObjectLibrary.listObjects() |
---|
| 589 | |
---|
| 590 | # Tab dict |
---|
| 591 | # moniker -> (kernel_module, data) |
---|
| 592 | self.available_tabs = {} |
---|
| 593 | # Constraint dict |
---|
| 594 | # moniker -> [constraints] |
---|
| 595 | self.available_constraints = {} |
---|
| 596 | |
---|
| 597 | # Reset the table widgets |
---|
| 598 | self.tblTabList.setRowCount(0) |
---|
| 599 | self.tblConstraints.setRowCount(0) |
---|
| 600 | |
---|
| 601 | # Fit disabled |
---|
| 602 | self.cmdFit.setEnabled(False) |
---|
| 603 | |
---|
| 604 | if not objects: |
---|
| 605 | return |
---|
[676f137] | 606 | |
---|
[be8f4b0] | 607 | tabs = [tab for tab in ObjectLibrary.listObjects() if self.isTabImportable(tab)] |
---|
| 608 | for tab in tabs: |
---|
| 609 | self.updateFitLine(tab) |
---|
| 610 | self.updateSignalsFromTab(tab) |
---|
| 611 | # We have at least 1 fit page, allow fitting |
---|
| 612 | self.cmdFit.setEnabled(True) |
---|
[47d7d2d] | 613 | |
---|
| 614 | def validateMoniker(self, new_moniker=None): |
---|
| 615 | """ |
---|
| 616 | Check new_moniker for correctness. |
---|
| 617 | It must be non-empty. |
---|
| 618 | It must not be the same as other monikers. |
---|
| 619 | """ |
---|
| 620 | if not new_moniker: |
---|
| 621 | return False |
---|
| 622 | |
---|
| 623 | for existing_moniker in self.available_tabs: |
---|
| 624 | if existing_moniker == new_moniker and existing_moniker != self.current_cell: |
---|
| 625 | return False |
---|
| 626 | |
---|
| 627 | return True |
---|
| 628 | |
---|
[c5a2722f] | 629 | def getObjectByName(self, name): |
---|
[731efec] | 630 | """ |
---|
| 631 | Given name of the fit, returns associated fit object |
---|
| 632 | """ |
---|
[c5a2722f] | 633 | for object_name in ObjectLibrary.listObjects(): |
---|
| 634 | object = ObjectLibrary.getObject(object_name) |
---|
| 635 | if isinstance(object, FittingWidget): |
---|
| 636 | try: |
---|
| 637 | if object.kernel_module.name == name: |
---|
| 638 | return object |
---|
| 639 | except AttributeError: |
---|
| 640 | # Disregard atribute errors - empty fit widgets |
---|
| 641 | continue |
---|
| 642 | return None |
---|
| 643 | |
---|
[47d7d2d] | 644 | def showMultiConstraint(self): |
---|
| 645 | """ |
---|
| 646 | Invoke the complex constraint editor |
---|
| 647 | """ |
---|
[2d466e4] | 648 | selected_rows = self.selectedParameters(self.tblTabList) |
---|
| 649 | assert(len(selected_rows)==2) |
---|
| 650 | |
---|
| 651 | tab_list = [ObjectLibrary.getObject(self.tblTabList.item(s, 0).data(0)) for s in selected_rows] |
---|
| 652 | # Create and display the widget for param1 and param2 |
---|
| 653 | cc_widget = ComplexConstraint(self, tabs=tab_list) |
---|
| 654 | if cc_widget.exec_() != QtWidgets.QDialog.Accepted: |
---|
| 655 | return |
---|
| 656 | |
---|
[c5a2722f] | 657 | constraint = Constraint() |
---|
| 658 | model1, param1, operator, constraint_text = cc_widget.constraint() |
---|
| 659 | |
---|
| 660 | constraint.func = constraint_text |
---|
[ba01ad1] | 661 | constraint.param = param1 |
---|
[c5a2722f] | 662 | # Find the right tab |
---|
| 663 | constrained_tab = self.getObjectByName(model1) |
---|
| 664 | if constrained_tab is None: |
---|
| 665 | return |
---|
| 666 | |
---|
| 667 | # Find the constrained parameter row |
---|
| 668 | constrained_row = constrained_tab.getRowFromName(param1) |
---|
| 669 | |
---|
| 670 | # Update the tab |
---|
| 671 | constrained_tab.addConstraintToRow(constraint, constrained_row) |
---|