from PyQt4 import QtGui from PyQt4 import QtCore from sas.qtgui.UI import main_resources_rc from UI.KiessigPanel import Ui_KiessigPanel import sas.qtgui.Utilities.GuiUtils as GuiUtils # sas-global from sas.sascalc.calculator.kiessig_calculator import KiessigThicknessCalculator class KiessigPanel(QtGui.QDialog, Ui_KiessigPanel): def __init__(self, parent=None): super(KiessigPanel, self).__init__() self.setupUi(self) self.setWindowTitle("Kiessig Thickness Calculator") self.manager = parent self.thickness = KiessigThicknessCalculator() self.deltaq_in.setText("0.05") # signals self.helpButton.clicked.connect(self.onHelp) self.computeButton.clicked.connect(self.onCompute) self.closeButton.clicked.connect(self.onClose) # no reason to have this widget resizable self.setFixedSize(self.minimumSizeHint()) def onHelp(self): """ Bring up the Kiessig fringe calculator Documentation whenever the HELP button is clicked. Calls DocumentationWindow with the path of the location within the documentation tree (after /doc/ ....". """ try: location = GuiUtils.HELP_DIRECTORY_LOCATION + \ "/user/sasgui/perspectives/calculator/kiessig_calculator_help.html" self.manager._helpView.load(QtCore.QUrl(location)) self.manager._helpView.show() except AttributeError: # No manager defined - testing and standalone runs pass def onCompute(self): """ Execute the computation of thickness """ try: self.thickness.set_deltaq(dq=float(self.deltaq_in.text())) kiessing_result = self.thickness.compute_thickness() float_as_str = "{:.3f}".format(kiessing_result) self.lengthscale_out.setText(float_as_str) except (ArithmeticError, ValueError): self.lengthscale_out.setText("") def onClose(self): """ close the window containing this panel """ self.close()