def showSelectionDialog(self):
settings = QSettings()
text = unicode(self.cmbText.itemData(self.cmbText.currentIndex()))
if os.path.isdir(text):
path = text
elif os.path.isdir(os.path.dirname(text)):
path = os.path.dirname(text)
elif settings.contains(utils.baseKey + '/LastInputPath'):
path = unicode(settings.value(utils.baseKey + '/LastInputPath'))
else:
path = ''
filename = unicode(
QFileDialog.getOpenFileName(self, self.tr('Select file'), path,
self.tr('TIFF files (*.tif)')))
if filename:
layer = QgsRasterLayer(filename)
if layer.providerType() == 'gdal' and layer.source().lower(
).endswith(".tif"):
settings.setValue(utils.baseKey + '/LastInputPath',
os.path.dirname(unicode(filename)))
self.cmbText.addItem(filename, filename)
self.cmbText.setCurrentIndex(self.cmbText.count() - 1)
