fix enable control scan validator

orangecontrib/tomwer/qwidgets/stackplot.py

@@ -350,10 +350,13 @@ class _QImageFileStackPlot(_QImageStackPlot):
 
     def _updatefileName(self):
         imageIndex = self._qslider.value()
-        assert imageIndex in self._indexToFile
-        imageName = self._indexToFile[imageIndex]
-        self._qlFileName.setText(os.path.basename(imageName))
-        self._qlFileName.setToolTip(imageName)
+        if imageIndex not in self._indexToFile:
+            # TODO henri : raise error ? why not in the index file.
+            return
+        else:
+            imageName = self._indexToFile[imageIndex]
+            self._qlFileName.setText(os.path.basename(imageName))
+            self._qlFileName.setToolTip(imageName)
 
 
 def main():

orangecontrib/tomwer/qwidgets/viewerQWidget.py

@@ -356,36 +356,41 @@ class ValidationWidget(qt.QGroupBox):
         self.setLayout(layout)
 
         #  validate button
-        validateButton = qt.QPushButton('Validate')
+        self.validateButton = qt.QPushButton('Validate')
         style = qt.QApplication.style()
-        validateButton.setIcon(style.standardIcon(qt.QStyle.SP_DialogApplyButton))
-        validateButton.pressed.connect(self.__validated)
-        layout.addWidget(validateButton, 0, 2)
+        self.validateButton.setIcon(style.standardIcon(qt.QStyle.SP_DialogApplyButton))
+        self.validateButton.pressed.connect(self.__validated)
+        layout.addWidget(self.validateButton, 0, 2)
 
         spacer = qt.QWidget(self)
         spacer.setSizePolicy(qt.QSizePolicy.Expanding, qt.QSizePolicy.Minimum)
         layout.addWidget(spacer, 0, 1)
 
         #  cancel button
-        cancelButton = qt.QPushButton('Cancel')
-        cancelButton.setIcon(style.standardIcon(qt.QStyle.SP_DialogCancelButton))
-        cancelButton.pressed.connect(self.__canceled)
-        layout.addWidget(cancelButton, 0, 0)
+        self.cancelButton = qt.QPushButton('Cancel')
+        self.cancelButton.setIcon(style.standardIcon(qt.QStyle.SP_DialogCancelButton))
+        self.cancelButton.pressed.connect(self.__canceled)
+        layout.addWidget(self.cancelButton, 0, 0)
         # for now this button is hidden because the behavior haven't been
         # clearly defined
-        cancelButton.hide()
+        self.cancelButton.hide()
 
         #  change reconstruction parameters button
-        changeReconsParamButton = qt.QPushButton('Change reconstruction parameters')
-        changeReconsParamButton.setIcon(style.standardIcon(qt.QStyle.SP_FileDialogContentsView))
-        changeReconsParamButton.pressed.connect(self.__updateReconstructionParameters)
-        layout.addWidget(changeReconsParamButton, 2, 0)
+        self.changeReconsParamButton = qt.QPushButton('Change reconstruction parameters')
+        self.changeReconsParamButton.setIcon(style.standardIcon(qt.QStyle.SP_FileDialogContentsView))
+        self.changeReconsParamButton.pressed.connect(self.__updateReconstructionParameters)
+        layout.addWidget(self.changeReconsParamButton, 2, 0)
 
         #  redo acquisition button
         # redoAcquisitionButton = qt.QPushButton('Redo acquisition')
         # redoAcquisitionButton.setIcon(style.standardIcon(qt.QStyle.SP_MediaSkipBackward))
         # redoAcquisitionButton.pressed.connect(self.__redoacquisition)
         # layout.addWidget(redoAcquisitionButton, 3, 0)
+        
+    def setEnabled(self, b):
+        self.validateButton.setEnabled(b)
+        self.cancelButton.setEnabled(b)
+        self.changeReconsParamButton.setEnabled(b)
 
     def __validated(self):
         """Callback when the validate button is pushed"""