Fixed the waiting time calculation and added graphical representation on the checkouts fill

Caisses/Checkout.cs

@@ -22,32 +22,16 @@ namespace Caisses
             Clients = new List<Client>();
             Open = false;
         }
-        public void Tick(int averageWaitingTime, int CrossoverTime)
+        public void Tick(int averageWaitingTime, int CrossoverTime, int openedCheckoutsCount)
         {
-            if (!Open && averageWaitingTime > CrossoverTime)
+            if (!Open && averageWaitingTime > CrossoverTime || openedCheckoutsCount == 0)
             {
                 Open = true;
             }
-            if (Open && averageWaitingTime < CrossoverTime && Clients.Count == 0)
+            if (Open && averageWaitingTime < 1 && Clients.Count == 0 && openedCheckoutsCount > 1)
             {
                 Open = false;
             }
-            /*
-            if (Clients.Count != 0)
-            {
-                //This is the first client inline
-                Client client = Clients[0];
-                if (client.State == Client.ClientState.Inline)
-                    client.State = Client.ClientState.Checkout;
-
-                
-                if (client.CheckoutTime <= 0)
-                {
-                    I think we need to do this processing in the store
-                }
-                
-            }
-        */
         }
     }
 }