Show message when selection of a trackedrace is changed that is already linked to a leaderboard.

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/adminconsole/AbstractLeaderboardConfigPanel.java

@@ -33,6 +33,7 @@ import com.sap.sailing.domain.common.dto.FleetDTO;
 import com.sap.sailing.domain.common.dto.NamedDTO;
 import com.sap.sailing.domain.common.dto.RaceColumnDTO;
 import com.sap.sailing.domain.common.dto.RaceDTO;
+import com.sap.sailing.gwt.ui.adminconsole.AbstractLeaderboardConfigPanel.RaceColumnDTOAndFleetDTOWithNameBasedEquality;
 import com.sap.sailing.gwt.ui.adminconsole.RaceColumnInLeaderboardDialog.RaceColumnDescriptor;
 import com.sap.sailing.gwt.ui.client.LeaderboardsDisplayer;
 import com.sap.sailing.gwt.ui.client.LeaderboardsRefresher;
@@ -235,20 +236,48 @@ public abstract class AbstractLeaderboardConfigPanel extends FormPanel implement
                 // if no leaderboard column is selected, ignore the race selection change
                 RaceColumnDTOAndFleetDTOWithNameBasedEquality selectedRaceColumnAndFleetName = getSelectedRaceColumnWithFleet();
                 if (selectedRaceColumnAndFleetName != null) {
+                    RaceDTO oldRace = selectedRaceColumnAndFleetName.getA().getRace(selectedRaceColumnAndFleetName.getB());
                     if (selectedRaces.isEmpty()) {
-                        if (selectedRaceColumnAndFleetName.getA()
-                                .getRaceIdentifier(selectedRaceColumnAndFleetName.getB()) != null) {
+                        if (isRaceColumnAlreadyLinkedToAnotherTrackedRace(selectedRaceColumnAndFleetName)) {
                             unlinkRaceColumnFromTrackedRace(selectedRaceColumnAndFleetName.getA().getRaceColumnName(),
                                     selectedRaceColumnAndFleetName.getB());
                         }
                     } else {
-                        linkTrackedRaceToSelectedRaceColumn(selectedRaceColumnAndFleetName.getA(),
-                                selectedRaceColumnAndFleetName.getB(),
-                                selectedRaces.iterator().next().getRaceIdentifier());
+                        if(isRaceColumnAlreadyLinkedToAnotherTrackedRace(selectedRaceColumnAndFleetName)){
+                            if(Window.confirm("Do you really want to change the link?")){
+                                linkTrackedRaceToSelectedRaceColumn(selectedRaceColumnAndFleetName.getA(),
+                                        selectedRaceColumnAndFleetName.getB(),
+                                        selectedRaces.iterator().next().getRaceIdentifier());
+                            }
+                            else{
+                                trackedRacesListComposite.removeTrackedRaceChangeListener(AbstractLeaderboardConfigPanel.this);
+                                refreshableTrackedRaceSelectionModel.setSelected(selectedRaceColumnAndFleetName.getA().getRace(selectedRaceColumnAndFleetName.getB()),true);
+                                trackedRacesListComposite.addTrackedRaceChangeListener(AbstractLeaderboardConfigPanel.this);
+                            }
+                        }
+                        else{
+                            linkTrackedRaceToSelectedRaceColumn(selectedRaceColumnAndFleetName.getA(),
+                                    selectedRaceColumnAndFleetName.getB(),
+                                    selectedRaces.iterator().next().getRaceIdentifier());
+                        }
+                        
                     }
                 }
             }
+
+        private boolean isRaceColumnAlreadyLinkedToAnotherTrackedRace(
+                RaceColumnDTOAndFleetDTOWithNameBasedEquality selectedRaceColumnAndFleetName) {
+            if(selectedRaceColumnAndFleetName.getA()
+                    .getRaceIdentifier(selectedRaceColumnAndFleetName.getB()) != null)
+                    {
+                return true;
+            }
+            return false;
+        }
+        
         };
+        
+        
         trackedRaceListHandlerRegistration = refreshableTrackedRaceSelectionModel.addSelectionChangeHandler(trackedRaceListHandler);
 
         Button reloadAllRaceLogs = new Button(stringMessages.reloadAllRaceLogs());

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/adminconsole/AbstractTrackedRacesListComposite.java

@@ -29,6 +29,7 @@ import com.google.gwt.user.client.ui.Label;
 import com.google.gwt.user.client.ui.ListBox;
 import com.google.gwt.user.client.ui.VerticalPanel;
 import com.google.gwt.user.client.ui.Widget;
+import com.google.gwt.view.client.CellPreviewEvent;
 import com.google.gwt.view.client.ListDataProvider;
 import com.google.gwt.view.client.SelectionChangeEvent;
 import com.google.gwt.view.client.SelectionChangeEvent.Handler;
@@ -58,6 +59,10 @@ import com.sap.sse.gwt.client.shared.components.Component;
 import com.sap.sse.gwt.client.shared.components.SettingsDialogComponent;
 import com.sap.sse.gwt.client.shared.perspective.ComponentContext;
 
+/**
+ * @author D069485
+ *
+ */
 public abstract class AbstractTrackedRacesListComposite extends AbstractCompositeComponent<TrackedRacesSettings> implements
         RegattasDisplayer {
 
@@ -76,6 +81,8 @@ public abstract class AbstractTrackedRacesListComposite extends AbstractComposit
     private Iterable<RaceDTO> allRaces;
 
     private Label noTrackedRacesLabel;
+    
+    private RaceDTO oldSelectedRace;
 
     protected final SailingServiceAsync sailingService;
     protected final ErrorReporter errorReporter;
@@ -127,6 +134,7 @@ public abstract class AbstractTrackedRacesListComposite extends AbstractComposit
     }
     
     protected void createUI() {
+
         AdminConsoleTableResources tableResources = GWT.create(AdminConsoleTableResources.class);
         raceList = new ListDataProvider<>();
         settings = new TrackedRacesSettings();
@@ -241,6 +249,16 @@ public abstract class AbstractTrackedRacesListComposite extends AbstractComposit
             }
         });
         trackedRacesButtonPanel.add(btnRefresh);
+        
+        raceTable.addCellPreviewHandler(new CellPreviewEvent.Handler<RaceDTO>(){
+            @Override
+            public void onCellPreview(CellPreviewEvent<RaceDTO> event){
+                if ("click".equals(event.getNativeEvent().getType())) {
+                    oldSelectedRace = getSelectionModel().getSelectedSet().iterator().next();
+                }
+            }
+        });
+        
         addControlButtons(trackedRacesButtonPanel);
     }
     
@@ -482,6 +500,7 @@ public abstract class AbstractTrackedRacesListComposite extends AbstractComposit
     public void addRaceSelectionChangeHandler(Handler handler) {
         refreshableSelectionModel.addSelectionChangeHandler(handler);
     }
+    
 
     public RaceDTO getRaceByIdentifier(RaceIdentifier raceIdentifier) {
         RaceDTO result = null;
@@ -588,4 +607,14 @@ public abstract class AbstractTrackedRacesListComposite extends AbstractComposit
         return refreshableSelectionModel;
     }
 
+    public RaceDTO getOldSelectedRace() {
+        return oldSelectedRace;
+    }
+
+    public void setOldSelectedRace(RaceDTO oldSelectedRace) {
+        this.oldSelectedRace = oldSelectedRace;
+    }
+    
+    
+
 }

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/adminconsole/TrackedRacesListComposite.java

@@ -31,6 +31,7 @@ import com.sap.sse.gwt.client.shared.perspective.ComponentContext;
  */
 public class TrackedRacesListComposite extends AbstractTrackedRacesListComposite {
     final Set<TrackedRaceChangedListener> raceIsTrackedRaceChangeListener;
+   
     private Button btnUntrack;
     private Button btnRemoveRace;
     private Button btnSetDelayToLive;
@@ -45,6 +46,7 @@ public class TrackedRacesListComposite extends AbstractTrackedRacesListComposite
         super(parent, context, sailingService, errorReporter, regattaRefresher, stringMessages, hasMultiSelection);
         this.raceIsTrackedRaceChangeListener = new HashSet<TrackedRaceChangedListener>();
         this.actionButtonsEnabled = actionButtonsEnabled;
+        
         createUI();
     }
 
@@ -59,6 +61,12 @@ public class TrackedRacesListComposite extends AbstractTrackedRacesListComposite
     public void addTrackedRaceChangeListener(TrackedRaceChangedListener listener) {
         this.raceIsTrackedRaceChangeListener.add(listener);
     }
+    
+    public void removeTrackedRaceChangeListener(TrackedRaceChangedListener listener){
+        this.raceIsTrackedRaceChangeListener.remove(listener);
+        
+    }
+    
 
     void stopTrackingRaces(final Iterable<RaceDTO> races) {
         final List<RegattaAndRaceIdentifier> racesToStopTracking = new ArrayList<RegattaAndRaceIdentifier>();