display in event/regatta/race tree whether a race is currently being tracked

This makes the "Remove" button slightly better to understand

java/com.sap.sailing.gwt.ui/META-INF/MANIFEST.MF

@@ -14,7 +14,8 @@ Require-Bundle: javax.servlet;bundle-version="2.5.0",
  com.sap.sailing.domain.tractracadapter,
  org.json.simple;bundle-version="1.1.0",
  com.sap.sailing.mongodb,
- com.mongodb.driver;bundle-version="2.6.2"
+ com.mongodb.driver;bundle-version="2.6.2",
+ com.sap.sailing.declination
 Bundle-ClassPath: war/WEB-INF/classes/,
  .
 Bundle-Activator: com.sap.sailing.gwt.ui.server.Activator

java/com.sap.sailing.gwt.ui/src/com/sap/sailing/gwt/ui/client/SailingService.java

@@ -26,4 +26,6 @@ public interface SailingService extends RemoteService {
     void stopTrackingEvent(String eventName) throws Exception;
 
     void stopTrackingRace(String eventName, String raceName) throws Exception;
+
+    void startTrackingWind(String eventName, String raceName, int port, boolean correctByDeclination) throws Exception;
 }

java/com.sap.sailing.gwt.ui/src/com/sap/sailing/gwt/ui/client/SailingServiceAsync.java

@@ -25,4 +25,7 @@ public interface SailingServiceAsync {
     void stopTrackingEvent(String eventName, AsyncCallback<Void> callback);
 
     void stopTrackingRace(String eventName, String raceName, AsyncCallback<Void> asyncCallback);
+
+    void startTrackingWind(String eventName, String raceName, int port, boolean correctDeclination,
+            AsyncCallback<Void> callback);
 }

java/com.sap.sailing.gwt.ui/src/com/sap/sailing/gwt/ui/client/TrackedEventsTreeModel.java

@@ -77,6 +77,9 @@ public class TrackedEventsTreeModel implements TreeViewModel {
         @Override
         public void render(com.google.gwt.cell.client.Cell.Context context, RaceDAO value, SafeHtmlBuilder sb) {
             sb.appendEscaped(value.name);
+            if (value.currentlyTracked) {
+                sb.appendEscaped(" (tracked)");
+            }
         }
     }
 }

java/com.sap.sailing.gwt.ui/src/com/sap/sailing/gwt/ui/server/SailingServiceImpl.java

@@ -16,6 +16,7 @@ import org.osgi.framework.BundleContext;
 import org.osgi.util.tracker.ServiceTracker;
 
 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
+import com.sap.sailing.declination.DeclinationService;
 import com.sap.sailing.domain.base.BoatClass;
 import com.sap.sailing.domain.base.Competitor;
 import com.sap.sailing.domain.base.Event;
@@ -91,7 +92,7 @@ public class SailingServiceImpl extends RemoteServiceServlet implements SailingS
     private List<RaceDAO> getRaceDAOs(Set<RaceDefinition> races) {
         List<RaceDAO> result = new ArrayList<RaceDAO>();
         for (RaceDefinition r : races) {
-            result.add(new RaceDAO(r.getName(), getCompetitorDAOs(r.getCompetitors())));
+            result.add(new RaceDAO(r.getName(), getCompetitorDAOs(r.getCompetitors()), service.isRaceBeingTracked(r)));
         }
         return result;
     }
@@ -151,14 +152,30 @@ public class SailingServiceImpl extends RemoteServiceServlet implements SailingS
         service.stopTracking(service.getEventByName(eventName));
     }
 
+    private RaceDefinition getRaceByName(Event event, String raceName) {
+        for (RaceDefinition r : event.getAllRaces()) {
+            if (r.getName().equals(raceName)) {
+                return r;
+            }
+        }
+        return null;
+    }
+    
     @Override
     public void stopTrackingRace(String eventName, String raceName) throws Exception {
         Event event = service.getEventByName(eventName);
-        for (RaceDefinition r : event.getAllRaces()) {
-            if (r.getName().equals(raceName)) {
-                service.stopTracking(event,  r);
-            }
+        RaceDefinition r = getRaceByName(event, raceName);
+        if (r != null) {
+            service.stopTracking(event, r);
         }
     }
     
+    @Override
+    public void startTrackingWind(String eventName, String raceName, int port, boolean correctByDeclination) throws Exception {
+        Event event = service.getEventByName(eventName);
+        RaceDefinition race = getRaceByName(event, raceName);
+        service.startTrackingWind(event, race, port,
+                correctByDeclination ? DeclinationService.INSTANCE : null);
+    }
+    
 }

java/com.sap.sailing.gwt.ui/src/com/sap/sailing/gwt/ui/shared/RaceDAO.java

@@ -1,17 +1,27 @@
 package com.sap.sailing.gwt.ui.shared;
 
 import com.google.gwt.user.client.rpc.IsSerializable;
+import com.sap.sailing.domain.tracking.TrackedRace;
+import com.sap.sailing.domain.tractracadapter.RaceTracker;
 
 public class RaceDAO implements IsSerializable {
     public String name;
     public Iterable<CompetitorDAO> competitors;
     
+    /**
+     * Tells if this race is currently being tracked live, meaning that a {@link RaceTracker} is
+     * listening for incoming GPS fixes, mark passings etc., to update a {@link TrackedRace} object
+     * accordingly.
+     */
+    public boolean currentlyTracked;
+    
     public RaceDAO() {}
 
-    public RaceDAO(String name, Iterable<CompetitorDAO> competitors) {
+    public RaceDAO(String name, Iterable<CompetitorDAO> competitors, boolean currentlyTracked) {
         super();
         this.name = name;
         this.competitors = competitors;
+        this.currentlyTracked = currentlyTracked;
     }
     
     

java/com.sap.sailing.server/src/com/sap/sailing/server/RacingEventService.java

@@ -120,4 +120,6 @@ public interface RacingEventService {
      */
     List<RaceRecord> getRaceRecords(URL jsonURL) throws IOException, ParseException, org.json.simple.parser.ParseException;
 
+    boolean isRaceBeingTracked(RaceDefinition r);
+
 }

java/com.sap.sailing.server/src/com/sap/sailing/server/RacingEventServiceImpl.java

@@ -74,6 +74,18 @@ public class RacingEventServiceImpl implements RacingEventService {
     public Iterable<Event> getAllEvents() {
         return Collections.unmodifiableCollection(eventsByName.values());
     }
+    
+    @Override
+    public boolean isRaceBeingTracked(RaceDefinition r) {
+        for (Set<RaceTracker> trackers : raceTrackersByEvent.values()) {
+            for (RaceTracker tracker : trackers) {
+                if (tracker.getRace() == r) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
 
     @Override
     public Event getEventByName(String name) {