disable medal checkbox in race column edit table for regatta leaderboards

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

@@ -0,0 +1,26 @@
+package com.sap.sailing.gwt.ui.adminconsole;
+
+import com.google.gwt.cell.client.CheckboxCell;
+import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
+
+public class DisablableCheckboxCell extends CheckboxCell {
+    public static interface IsEnabled {
+        boolean isEnabled();
+    }
+    
+    private final IsEnabled isEnabled;
+    
+    public DisablableCheckboxCell(IsEnabled isEnabled) {
+        this.isEnabled = isEnabled;
+    }
+    
+    @Override
+    public void render(com.google.gwt.cell.client.Cell.Context context, Boolean value, SafeHtmlBuilder sb) {
+        if (isEnabled.isEnabled()) {
+            super.render(context, value, sb);
+        } else {
+            sb.appendEscaped(value ? "x" : "");
+        }
+    }
+
+}

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

@@ -47,6 +47,7 @@ import com.sap.sailing.domain.common.RegattaIdentifier;
 import com.sap.sailing.domain.common.RegattaName;
 import com.sap.sailing.domain.common.RegattaNameAndRaceName;
 import com.sap.sailing.domain.common.impl.Util.Pair;
+import com.sap.sailing.gwt.ui.adminconsole.DisablableCheckboxCell.IsEnabled;
 import com.sap.sailing.gwt.ui.adminconsole.RaceColumnInLeaderboardDialog.RaceColumnDescriptor;
 import com.sap.sailing.gwt.ui.client.DataEntryDialog.DialogCallback;
 import com.sap.sailing.gwt.ui.client.ErrorReporter;
@@ -393,7 +394,12 @@ public class LeaderboardConfigPanel extends FormPanel implements SelectedLeaderb
         };
 
         Column<Pair<RaceColumnDTO, FleetDTO>, Boolean> isMedalRaceCheckboxColumn = new Column<Pair<RaceColumnDTO, FleetDTO>, Boolean>(
-                new CheckboxCell()) {
+                new DisablableCheckboxCell(new IsEnabled() {
+                    @Override
+                    public boolean isEnabled() {
+                        return !getSelectedLeaderboard().isRegattaLeaderboard;
+                    }
+                })) {
             @Override
             public Boolean getValue(Pair<RaceColumnDTO, FleetDTO> race) {
                 return race.getA().isMedalRace();
@@ -746,7 +752,7 @@ public class LeaderboardConfigPanel extends FormPanel implements SelectedLeaderb
         }
         existingRacesWithoutThisRace.remove(raceColumnWithFleet.getA());
         final RaceColumnInLeaderboardDialog raceDialog = new RaceColumnInLeaderboardDialog(existingRacesWithoutThisRace,
-                raceColumnWithFleet.getA(), stringMessages, new DialogCallback<RaceColumnDescriptor>() {
+                raceColumnWithFleet.getA(), getSelectedLeaderboard().isRegattaLeaderboard, stringMessages, new DialogCallback<RaceColumnDescriptor>() {
             @Override
             public void cancel() {
             }

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

@@ -96,15 +96,17 @@ public class RaceColumnInLeaderboardDialog extends DataEntryDialog<RaceColumnInL
     }
 
     public RaceColumnInLeaderboardDialog(List<RaceColumnDTO> existingRaces, RaceColumnDTO raceColumnToEdit, 
-            StringMessages stringMessages, DialogCallback<RaceColumnDescriptor> callback) {
+            boolean isRegattaLeaderboard, StringMessages stringMessages, DialogCallback<RaceColumnDescriptor> callback) {
         super(stringMessages.actionRaceEdit(), null, stringMessages.ok(), stringMessages.cancel(),
                 new RaceDialogValidator(stringMessages, existingRaces), callback);
         this.stringMessages = stringMessages;
         raceNameBox = createTextBox(raceColumnToEdit.getRaceColumnName());
+        raceNameBox.setEnabled(!isRegattaLeaderboard);
         explicitFactorBox = raceColumnToEdit.getExplicitFactor() == null ?
                 createDoubleBox(/* visibleLength */ 4) : createDoubleBox(raceColumnToEdit.getExplicitFactor(), /* visibleLength */ 4);
         isMedalRace = createCheckbox(stringMessages.medalRace());
         isMedalRace.setValue(raceColumnToEdit.isMedalRace());
+        isMedalRace.setEnabled(!isRegattaLeaderboard);
     }
 
     @Override