public bool OnListenerRemoving(string eventType, Delegate listenerBeingRemoved)
{
#if LOG_ALL_MESSAGES
Debug.Log("MESSENGER OnListenerRemoving \t\"" + eventType + "\"\t{" + listenerBeingRemoved.Target + " -> " + listenerBeingRemoved.Method + "}");
#endif
bool success = true;
if (Routers.ContainsKey(eventType))
{
Delegate d = Routers[eventType];
if (d == null)
{
success = false;
throw new ListenerException(string.Format("Attempting to remove listener with for event type \"{0}\" but current listener is null.", eventType));
}
else if (d.GetType() != listenerBeingRemoved.GetType())
{
success = false;
throw new ListenerException(string.Format("Attempting to remove listener with inconsistent signature for event type {0}. Current listeners have type {1} and listener being removed has type {2}", eventType, d.GetType().Name, listenerBeingRemoved.GetType().Name));
}
}
else
{
success = false;
throw new ListenerException(string.Format("Attempting to remove listener for type \"{0}\" but Messenger doesn't know about this event type.", eventType));
}
return(success);
}
private void btnCompute_Click(object sender, EventArgs e)
{
if (listRouter.SelectedItem == null)
{
MessageBox.Show("Not selected router", "Error", MessageBoxButtons.OK);
return;
}
int routerId = Int32.Parse(listRouter.SelectedItem.ToString().Split('_')[0]);
int turn = Int32.Parse(listRouter.SelectedItem.ToString().Split('_')[1]);
DijkstraFinding dijkstra = new DijkstraFinding(BusManager.Inst());
Router router = null;
if (!Routers.ContainsKey(routerId))
{
MessageBox.Show("Invalid router", "Error", MessageBoxButtons.OK);
return;
}
router = Routers[routerId];
List <int> stationIds = null;
if (turn == 0)
{
stationIds = router.Stations1;
}
else if (turn == 1)
{
stationIds = router.Stations2;
}
if (stationIds == null)
{
MessageBox.Show("Invalid turn", "Error", MessageBoxButtons.OK);
return;
}
for (int i = 0; i < stationIds.Count - 1; i++)
{
dijkstra.addPath(stationIds[i], stationIds[i + 1]);
}
Vertex dest = dijkstra.computePath(stationIds[0], stationIds[stationIds.Count - 20]);
if (dest == null)
{
MessageBox.Show("Cannot find shortest path");
return;
}
List <int> listStation = new List <int>();
while (dest.PreviewVertex != null)
{
listStation.Add(dest.StationId);
dest = dest.PreviewVertex;
}
listStation.Reverse();
clearMap();
drawStationPath(listStation, Color.Red, sortedPathOverlay);
}
public void OnListenerAdding(string eventType, Delegate listenerBeingAdded)
{
#if LOG_ALL_MESSAGES || LOG_ADD_LISTENER
Debug.Log("MESSENGER OnListenerAdding \t\"" + eventType + "\"\t{" + listenerBeingAdded.Target + " -> " + listenerBeingAdded.Method + "}");
#endif
if (!Routers.ContainsKey(eventType))
{
Routers.Add(eventType, null);
}
Delegate d = Routers[eventType];
if (d != null && d.GetType() != listenerBeingAdded.GetType())
{
throw new ListenerException(string.Format("Attempting to add listener with inconsistent signature for event type {0}. Current listeners have type {1} and listener being added has type {2}", eventType, d.GetType().Name, listenerBeingAdded.GetType().Name));
}
}
public bool ContainsEvent(string eventType)
{
return(Routers.ContainsKey(eventType));
}