def set_timezone(self):
"""Set the timezone to the given zone and update all photos."""
if 'TZ' in environ:
del environ['TZ']
if gst.get_boolean('lookup-timezone'):
environ['TZ'] = self.gpx_timezone
elif gst.get_boolean('custom-timezone'):
region = self.region.get_active_id()
city = self.cities.get_active_id()
if region is not None and city is not None:
environ['TZ'] = '%s/%s' % (region, city)
tzset()
for photo in photos.values():
photo.calculate_timestamp()
auto_timestamp_comparison(photo)
def preferences_dialog(self, button, dialog, region, cities, colorpicker):
"""Allow the user to configure this application."""
previous = Struct({
'system': gst.get_boolean('system-timezone'),
'lookup': gst.get_boolean('lookup-timezone'),
'custom': gst.get_boolean('custom-timezone'),
'region': region.get_active(),
'city': cities.get_active(),
'color': colorpicker.get_current_color()
})
if not dialog.run():
colorpicker.set_current_color(previous.color)
colorpicker.set_previous_color(previous.color)
gst.set_boolean('system-timezone', previous.system)
gst.set_boolean('lookup-timezone', previous.lookup)
gst.set_boolean('custom-timezone', previous.custom)
region.set_active(previous.region)
cities.set_active(previous.city)
dialog.hide()
