def open_zonal_layer_dialog(self):
"""
Open a file dialog to select the zonal layer to be loaded
:returns: the zonal layer
"""
text = self.tr('Select zonal layer to import')
filters = self.tr('Vector shapefiles (*.shp);;SQLite (*.sqlite);;'
'All files (*.*)')
default_dir = QSettings().value('irmt/select_layer_dir',
QDir.homePath())
file_name, file_type = QFileDialog.getOpenFileNameAndFilter(
self, text, default_dir, filters)
if not file_name:
return None
selected_dir = QFileInfo(file_name).dir().path()
QSettings().setValue('irmt/select_layer_dir', selected_dir)
zonal_layer_plus_stats = self.load_zonal_layer(file_name)
return zonal_layer_plus_stats
def open_file_dialog(self, dialog_type):
"""
Open a file dialog to select the data file to be loaded
:param string dialog_type: 'loss_layer' or 'zonal_layer'
:returns: a layer
"""
if dialog_type == 'loss_layer':
text = self.tr('Select loss map to import')
# FIXME: What should be the format of the raster maps?
filters = self.tr('Loss curves from the OpenQuake-engine (*.csv);;'
'Shapefile vector loss curves (*.shp);;'
'Geojson vector loss curves (*.geojson);;'
'Raster loss curves (*.*)')
elif dialog_type == 'zonal_layer':
text = self.tr('Select zonal layer to import')
filters = self.tr('Vector shapefiles (*.shp);;SQLite (*.sqlite);;'
'All files (*.*)')
else:
raise RuntimeError('Invalid dialog_type: {}'.format(dialog_type))
default_dir = QSettings().value('irmt/select_layer_dir',
QDir.homePath())
file_name, file_type = QFileDialog.getOpenFileNameAndFilter(
self, text, default_dir, filters)
if dialog_type == 'zonal_layer':
if not file_name:
return None
selected_dir = QFileInfo(file_name).dir().path()
QSettings().setValue('irmt/select_layer_dir', selected_dir)
layer = self.load_zonal_layer(file_name)
elif dialog_type == 'loss_layer':
if not file_name:
return None
selected_dir = QFileInfo(file_name).dir().path()
QSettings().setValue('irmt/select_layer_dir', selected_dir)
if file_type == 'Raster loss curves (*.*)':
self.loss_layer_is_vector = False
if file_type == 'Loss curves from the OpenQuake-engine (*.csv)':
layer = self.import_loss_layer_from_csv(file_name)
else:
layer = self.load_loss_layer(file_name)
else:
raise RuntimeError
return layer