def _calc_total(self):
prev = None
total = 0
for waypoint in self._task.waypoints:
if prev:
length = int(great_circle_distance(prev, waypoint.position))
total += length
prev = waypoint.position
self.set_value(self.get_iter(len(self._task.waypoints)),
2, 'total %u km' % total)
def __init__(self, task):
self._task = task
gtk.ListStore.__init__(self, str, str, str)
prev = None
total = 0
for waypoint in self._task.waypoints:
if prev:
length = int(great_circle_distance(prev, waypoint.position))
total += length
distance = '%u km' % length
else:
distance = ''
prev = waypoint.position
self.append((waypoint.name, str(waypoint.position), distance))
self.append((None, None, 'total %u km' % total))
