import sys import json import os from collections import defaultdict from PyQt4 import QtGui from PyQt4 import QtCore from UI.FittingUI import Ui_FittingUI from sasmodels import generate from sasmodels import modelinfo from sas.sasgui.guiframe.CategoryInstaller import CategoryInstaller class FittingWindow(QtGui.QDialog, Ui_FittingUI): """ Main window for selecting form and structure factor models """ def __init__(self, manager=None, parent=None): """ :param manager: :param parent: :return: """ super(FittingWindow, self).__init__() self.setupUi(self) self.setWindowTitle("Fitting") self._model_model = QtGui.QStandardItemModel() self._poly_model = QtGui.QStandardItemModel() self.tableView.setModel(self._model_model) self._readCategoryInfo() structure_factor_list = self.master_category_dict.pop('Structure Factor') for (structure_factor, enabled) in structure_factor_list: self.cbStructureFactor.addItem(structure_factor) self.cbStructureFactor.currentIndexChanged.connect(self.selectStructureFactor) category_list = sorted(self.master_category_dict.keys()) self.cbCategory.addItems(category_list) self.cbCategory.currentIndexChanged.connect(self.selectCategory) category = self.cbCategory.currentText() model_list = self.master_category_dict[str(category)] for (model, enabled) in model_list: self.cbModel.addItem(model) self.cbModel.currentIndexChanged.connect(self.selectModel) self.pushButton.setEnabled(False) self.chkPolydispersity.setEnabled(False) self.chkSmearing.setEnabled(False) self.lblMinRangeDef.setText("---") self.lblMaxRangeDef.setText("---") self.lblChi2Value.setText("---") #self.setTableProperties(self.tableView) self.tableView_2.setModel(self._poly_model) self.setPolyModel() self.setTableProperties(self.tableView_2) for row in range(2): c = QtGui.QComboBox() c.addItems(['rectangle','array','lognormal','gaussian','schulz',]) i = self.tableView_2.model().index(row,6) self.tableView_2.setIndexWidget(i,c) def selectCategory(self): """ Select Category from list :return: """ self.cbModel.clear() category = self.cbCategory.currentText() model_list = self.master_category_dict[str(category)] for (model, enabled) in model_list: self.cbModel.addItem(model) def selectModel(self): """ Select Model from list :return: """ model = self.cbModel.currentText() self.setModelModel(model) def selectStructureFactor(self): """ Select Structure Factor from list :param: :return: """ def _readCategoryInfo(self): """ Reads the categories in from file """ self.master_category_dict = defaultdict(list) self.by_model_dict = defaultdict(list) self.model_enabled_dict = defaultdict(bool) try: categorization_file = CategoryInstaller.get_user_file() if not os.path.isfile(categorization_file): categorization_file = CategoryInstaller.get_default_file() cat_file = open(categorization_file, 'rb') self.master_category_dict = json.load(cat_file) self._regenerate_model_dict() cat_file.close() except IOError: raise print 'Problem reading in category file.' print 'We even looked for it, made sure it was there.' print 'An existential crisis if there ever was one.' def _regenerate_model_dict(self): """ regenerates self.by_model_dict which has each model name as the key and the list of categories belonging to that model along with the enabled mapping """ self.by_model_dict = defaultdict(list) for category in self.master_category_dict: for (model, enabled) in self.master_category_dict[category]: self.by_model_dict[model].append(category) self.model_enabled_dict[model] = enabled def setModelModel(self, model_name): """ Setting model parameters into table based on selected :param model_name: :return: """ # Crete/overwrite model items self._model_model.clear() model_name = str(model_name) kernel_module = generate.load_kernel_module(model_name) parameters = modelinfo.make_parameter_table(getattr(kernel_module, 'parameters', [])) #TODO: scaale and background are implicit in sasmodels and needs to be added item1 = QtGui.QStandardItem('scale') item1.setCheckable(True) item2 = QtGui.QStandardItem('1.0') item3 = QtGui.QStandardItem('0.0') item4 = QtGui.QStandardItem('inf') item5 = QtGui.QStandardItem('') self._model_model.appendRow([item1, item2, item3, item4, item5]) item1 = QtGui.QStandardItem('background') item1.setCheckable(True) item2 = QtGui.QStandardItem('0.001') item3 = QtGui.QStandardItem('-inf') item4 = QtGui.QStandardItem('inf') item5 = QtGui.QStandardItem('1/cm') self._model_model.appendRow([item1, item2, item3, item4, item5]) #TODO: iq_parameters are used here. If orientation paramateres or magnetic are needed kernel_paramters should be used instead #For orientation and magentic parameters param.type needs to be checked for param in parameters.iq_parameters: item1 = QtGui.QStandardItem(param.name) item1.setCheckable(True) item2 = QtGui.QStandardItem(str(param.default)) item3 = QtGui.QStandardItem(str(param.limits[0])) item4 = QtGui.QStandardItem(str(param.limits[1])) item5 = QtGui.QStandardItem(param.units) self._model_model.appendRow([item1, item2, item3, item4, item5]) self._model_model.setHeaderData(0, QtCore.Qt.Horizontal, QtCore.QVariant("Parameter")) self._model_model.setHeaderData(1, QtCore.Qt.Horizontal, QtCore.QVariant("Value")) self._model_model.setHeaderData(2, QtCore.Qt.Horizontal, QtCore.QVariant("Min")) self._model_model.setHeaderData(3, QtCore.Qt.Horizontal, QtCore.QVariant("Max")) self._model_model.setHeaderData(4, QtCore.Qt.Horizontal, QtCore.QVariant("[Units]")) def setTableProperties(self, table): """ Setting table properties :param table: :return: """ table.setStyleSheet("background-image: url(model.png);") # Table properties table.verticalHeader().setVisible(False) table.setAlternatingRowColors(True) table.setSizePolicy(QtGui.QSizePolicy.MinimumExpanding, QtGui.QSizePolicy.Expanding) table.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows) # Header header = table.horizontalHeader() header.setResizeMode(QtGui.QHeaderView.Stretch) header.setStretchLastSection(True) def setPolyModel(self): """ Set polydispersity values :return: """ item1 = QtGui.QStandardItem("Distribution of radius") item1.setCheckable(True) item2 = QtGui.QStandardItem("0") item3 = QtGui.QStandardItem("") item4 = QtGui.QStandardItem("") item5 = QtGui.QStandardItem("35") item6 = QtGui.QStandardItem("3") item7 = QtGui.QStandardItem("") self._poly_model.appendRow([item1, item2, item3, item4, item5, item6, item7]) item1 = QtGui.QStandardItem("Distribution of thickness") item1.setCheckable(True) item2 = QtGui.QStandardItem("0") item3 = QtGui.QStandardItem("") item4 = QtGui.QStandardItem("") item5 = QtGui.QStandardItem("35") item6 = QtGui.QStandardItem("3") item7 = QtGui.QStandardItem("") self._poly_model.appendRow([item1, item2, item3, item4, item5, item6, item7]) self._poly_model.setHeaderData(0, QtCore.Qt.Horizontal, QtCore.QVariant("Parameter")) self._poly_model.setHeaderData(1, QtCore.Qt.Horizontal, QtCore.QVariant("PD[ratio]")) self._poly_model.setHeaderData(2, QtCore.Qt.Horizontal, QtCore.QVariant("Min")) self._poly_model.setHeaderData(3, QtCore.Qt.Horizontal, QtCore.QVariant("Max")) self._poly_model.setHeaderData(4, QtCore.Qt.Horizontal, QtCore.QVariant("Npts")) self._poly_model.setHeaderData(5, QtCore.Qt.Horizontal, QtCore.QVariant("Nsigs")) self._poly_model.setHeaderData(6, QtCore.Qt.Horizontal, QtCore.QVariant("Function")) self.tableView_2.resizeColumnsToContents() header = self.tableView_2.horizontalHeader() header.ResizeMode(QtGui.QHeaderView.Stretch) header.setStretchLastSection(True) if __name__ == "__main__": app = QtGui.QApplication([]) dlg = FittingWindow() dlg.show() sys.exit(app.exec_())