[d1fb22ee] | 1 | from PyQt4 import QtGui |
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| 2 | from PyQt4 import QtCore |
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| 3 | from UI.SlitSizeCalculator import Ui_SlitSizeCalculator |
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| 4 | |
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| 5 | # sas-global |
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| 6 | from sas.sascalc.calculator.slit_length_calculator import SlitlengthCalculator |
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| 7 | |
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| 8 | |
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| 9 | class SlitSizeCalculator(QtGui.QDialog, Ui_SlitSizeCalculator): |
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| 10 | def __init__(self, parent=None): |
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| 11 | super(SlitSizeCalculator, self).__init__() |
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| 12 | self.setupUi(self) |
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| 13 | |
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| 14 | self.setWindowTitle("Slit Size Calculator") |
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| 15 | self._parent = parent |
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| 16 | |
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| 17 | self.thickness = SlitlengthCalculator() |
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| 18 | |
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| 19 | # signals |
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| 20 | self.helpButton.clicked.connect(self.onHelp) |
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| 21 | self.browseButton.clicked.connect(self.onBrowse) |
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| 22 | self.closeButton.clicked.connect(self.onClose) |
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| 23 | |
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| 24 | # no reason to have this widget resizable |
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| 25 | self.setFixedSize(self.minimumSizeHint()) |
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| 26 | |
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| 27 | def onHelp(self): |
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| 28 | """ |
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| 29 | Bring up the Kiessig fringe calculator Documentation whenever |
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| 30 | the HELP button is clicked. |
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| 31 | Calls DocumentationWindow with the path of the location within the |
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| 32 | documentation tree (after /doc/ ....". |
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| 33 | """ |
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| 34 | try: |
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| 35 | location = self._parent.HELP_DIRECTORY_LOCATION + \ |
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| 36 | "/user/sasgui/perspectives/calculator/slit_lenght_calculator.html" |
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| 37 | |
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| 38 | self._parent._helpView.load(QtCore.QUrl(location)) |
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| 39 | self._parent._helpView.show() |
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| 40 | except AttributeError: |
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| 41 | # No manager defined - testing and standalone runs |
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| 42 | pass |
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| 43 | |
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| 44 | def onBrowse(self): |
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| 45 | """ |
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| 46 | Execute the computation of thickness |
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| 47 | """ |
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| 48 | path_str = self.chooseFiles() |
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| 49 | if not path_str: |
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| 50 | return |
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| 51 | self.loadFromURL(path_str) |
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| 52 | |
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| 53 | def loadFromURL(self, url): |
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| 54 | """ |
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| 55 | Threaded file load |
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| 56 | """ |
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| 57 | load_thread = threads.deferToThread(self.readData, url) |
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| 58 | load_thread.addCallback(self.loadComplete) |
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| 59 | |
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| 60 | def chooseFiles(self): |
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| 61 | """ |
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| 62 | Shows the Open file dialog and returns the chosen path(s) |
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| 63 | """ |
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| 64 | |
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| 65 | # Location is automatically saved - no need to keep track of the last dir |
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| 66 | # But only with Qt built-in dialog (non-platform native) |
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| 67 | paths = QtGui.QFileDialog.getOpenFileNames(self, "Choose a file", "", |
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| 68 | "Scattering data (*.DAT, *.dat)", None, QtGui.QFileDialog.DontUseNativeDialog) |
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| 69 | if paths is None: |
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| 70 | return |
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| 71 | |
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| 72 | if isinstance(paths, QtCore.QStringList): |
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| 73 | paths = [str(f) for f in paths] |
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| 74 | |
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| 75 | if not isinstance(paths, list): |
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| 76 | paths = [paths] |
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| 77 | |
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| 78 | return paths |
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| 79 | |
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| 80 | def onClose(self): |
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| 81 | """ |
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| 82 | close the window containing this panel |
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| 83 | """ |
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| 84 | self.close() |
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