source: sasview/src/sas/qtgui/Plotting/SlicerModel.py @ 7969b9c

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalc
Last change on this file since 7969b9c was 4992ff2, checked in by Piotr Rozyczko <rozyczko@…>, 7 years ago

Initial, in-progress version. Not really working atm. SASVIEW-787

  • Property mode set to 100644
File size: 1.9 KB
Line 
1from PyQt5 import QtGui
2
3import sas.qtgui.Utilities.GuiUtils as GuiUtils
4
5class SlicerModel(object):
6    def __init__(self):
7        # Model representation of local parameters
8        self._model = QtGui.QStandardItemModel()
9
10        self.update_model = True
11        self._model.itemChanged.connect(self.setParamsFromModel)
12
13    def setModelFromParams(self):
14        """
15        Set up the Qt model for data handling between controls
16        """
17        parameters = self.getParams()
18        self._model.removeRows( 0, self._model.rowCount() )
19        # Crete/overwrite model items
20        for parameter in list(parameters.keys()):
21            item1 = QtGui.QStandardItem(parameter)
22            item2 = QtGui.QStandardItem(GuiUtils.formatNumber(parameters[parameter]))
23            self._model.appendRow([item1, item2])
24        self._model.setHeaderData(0, QtCore.Qt.Horizontal, "Parameter")
25        self._model.setHeaderData(1, QtCore.Qt.Horizontal, "Value")
26
27    def setParamsFromModel(self, item):
28        """
29        Set up the params dictionary based on the model content.
30        """
31        params = self.getParams()
32        index = self._model.indexFromItem(item)
33        row_index = index.row()
34        param_name = str(self._model.item(row_index, 0).text())
35        params[param_name] = float(self._model.item(row_index, 1).text())
36
37        self.update_model = False
38        self.setParams(params)
39        self.update_model = True
40
41    def model(self):
42        '''getter for the model'''
43        return self._model
44
45    def getParams(self):
46        ''' pure virtual '''
47        raise NotImplementedError("Parameter getter must be implemented in derived class.")
48
49    def setParams(self):
50        ''' pure virtual '''
51        raise NotImplementedError("Parameter setter must be implemented in derived class.")
52
53    def validate(self):
54        ''' pure virtual '''
55        raise NotImplementedError("Validator must be implemented in derived class.")
56
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