embedded bar charts seem to work

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/ExpandableSortableColumn.java

@@ -146,6 +146,7 @@ public abstract class ExpandableSortableColumn<C> extends SortableColumn<Leaderb
                     public void run() {
                         int insertIndex = table.getColumnIndex(ExpandableSortableColumn.this) + 1;
                         for (SortableColumn<LeaderboardRowDAO, ?> column : getAllVisibleChildren()) {
+                            column.updateMinMax(getLeaderboardPanel().getLeaderboard());
                             getLeaderboardPanel().insertColumn(insertIndex++, column);
                         }
                     }

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/FormattedDoubleLegDetailColumn.java

@@ -5,7 +5,6 @@ import com.google.gwt.cell.client.TextCell;
 import com.google.gwt.i18n.client.NumberFormat;
 import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
 import com.google.gwt.user.cellview.client.CellTable;
-import com.google.gwt.user.client.Random;
 import com.sap.sailing.gwt.ui.shared.LeaderboardRowDAO;
 
 public class FormattedDoubleLegDetailColumn extends LegDetailColumn<Double, String> {
@@ -45,7 +44,12 @@ public class FormattedDoubleLegDetailColumn extends LegDetailColumn<Double, Stri
     }
 
     private int getPercentage(LeaderboardRowDAO row) {
-        return Random.nextInt(100);
+        Double value = getField().get(row);
+        int percentage = 0;
+        if (value != null) {
+            percentage = (int) (100.*(value-getMinimum())/(getMaximum()-getMinimum()));
+        }
+        return percentage;
     }
 
 }

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/LeaderboardPanel.java

@@ -469,12 +469,19 @@ public class LeaderboardPanel extends FormPanel implements LegDetailSelectionPro
         return namesOfExpandedRaces;
     }
 
+    /**
+     * Also updates the min/max values on the columns
+     */
     private void updateLeaderboard(LeaderboardDAO leaderboard) {
         setLeaderboard(leaderboard);
         adjustColumnLayout(leaderboard);
         getData().getList().clear();
         if (leaderboard != null) {
             getData().getList().addAll(leaderboard.rows.values());
+            for (int i=0; i<getLeaderboardTable().getColumnCount(); i++) {
+                SortableColumn<?, ?> c = (SortableColumn<?, ?>) getLeaderboardTable().getColumn(i);
+                c.updateMinMax(leaderboard);
+            }
             Comparator<LeaderboardRowDAO> comparator = getComparatorForSelectedSorting();
             if (comparator != null) {
                 Collections.sort(getData().getList(), comparator);

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/LeaderboardTable.css

@@ -55,7 +55,7 @@
 
 .cellTableEvenRow {
 	border-bottom: 1px solid #e5e5e5;
-	background-color: #FFFFFF;
+	background-color: #f2f2f2;
 }
 
 .cellTableEvenRowCell {

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/LegColumn.java

@@ -26,7 +26,7 @@ public class LegColumn extends ExpandableSortableColumn<String> {
     private final StringConstants stringConstants;
     private final LegDetailSelectionProvider legDetailSelectionProvider;
     
-    private abstract class AbstractLegDetailField<T> implements LegDetailField<T> {
+    private abstract class AbstractLegDetailField<T extends Comparable<?>> implements LegDetailField<T> {
         public T get(LeaderboardRowDAO row) {
             LegEntryDAO entry = getLegEntry(row);
             if (entry == null) {

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/LegDetailColumn.java

@@ -6,14 +6,17 @@ import com.google.gwt.cell.client.Cell;
 import com.google.gwt.user.cellview.client.CellTable;
 import com.google.gwt.user.cellview.client.Header;
 import com.google.gwt.user.cellview.client.TextHeader;
+import com.sap.sailing.gwt.ui.shared.LeaderboardDAO;
 import com.sap.sailing.gwt.ui.shared.LeaderboardRowDAO;
 
-public abstract class LegDetailColumn<FieldType, RenderingType> extends SortableColumn<LeaderboardRowDAO, RenderingType> {
+public abstract class LegDetailColumn<FieldType extends Comparable<?>, RenderingType> extends SortableColumn<LeaderboardRowDAO, RenderingType> {
     private final String title;
     private final LegDetailField<FieldType> field;
     private final CellTable<LeaderboardRowDAO> leaderboardTable;
+    private FieldType minimum;
+    private FieldType maximum;
     
-    public interface LegDetailField<T> {
+    public interface LegDetailField<T extends Comparable<?>> {
         T get(LeaderboardRowDAO row);
     }
     
@@ -57,4 +60,33 @@ public abstract class LegDetailColumn<FieldType, RenderingType> extends Sortable
         return new TextHeader(title);
     }
 
+    public FieldType getMinimum() {
+        return minimum;
+    }
+    
+    public FieldType getMaximum() {
+        return maximum;
+    }
+
+    @Override
+    protected void updateMinMax(LeaderboardDAO leaderboard) {
+        Comparator<LeaderboardRowDAO> comparator = getComparator();
+        LeaderboardRowDAO minimumRow = null;
+        LeaderboardRowDAO maximumRow = null;
+        for (LeaderboardRowDAO row : leaderboard.rows.values()) {
+            if (minimumRow == null || (comparator.compare(minimumRow, row) > 0 && getField().get(row) != null)) {
+                minimumRow = row;
+            }
+            if (maximumRow == null || (comparator.compare(maximumRow, row) < 0 && getField().get(row) != null)) {
+                maximumRow = row;
+            }
+        }
+        if (minimumRow != null) {
+            minimum = getField().get(minimumRow);
+        }
+        if (maximumRow != null) {
+            maximum = getField().get(maximumRow);
+        }
+    }
+    
 }

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/SortableColumn.java

@@ -7,6 +7,7 @@ import com.google.gwt.user.cellview.client.CellTable;
 import com.google.gwt.user.cellview.client.Column;
 import com.google.gwt.user.cellview.client.ColumnSortList;
 import com.google.gwt.user.cellview.client.Header;
+import com.sap.sailing.gwt.ui.shared.LeaderboardDAO;
 import com.sap.sailing.gwt.ui.shared.LeaderboardRowDAO;
 
 public abstract class SortableColumn<T, C> extends Column<T, C> {
@@ -15,6 +16,8 @@ public abstract class SortableColumn<T, C> extends Column<T, C> {
         setSortable(true);
     }
     
+    protected void updateMinMax(LeaderboardDAO leaderboard) {}
+    
     /**
      * To enable sorting of <code>null</code> values to the end even in ascending order, the comparators provided
      * by the subclasses will want to know whether the leaderboard table is currently sorted in ascending order

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/StringRenderingLegDetailColumn.java

@@ -1,19 +0,0 @@
-package com.sap.sailing.gwt.ui.client;
-
-import com.google.gwt.cell.client.TextCell;
-import com.google.gwt.user.cellview.client.CellTable;
-import com.sap.sailing.gwt.ui.shared.LeaderboardRowDAO;
-
-public class StringRenderingLegDetailColumn<FieldType> extends LegDetailColumn<FieldType, String> {
-
-    protected StringRenderingLegDetailColumn(String title,
-            com.sap.sailing.gwt.ui.client.LegDetailColumn.LegDetailField<FieldType> field, CellTable<LeaderboardRowDAO> leaderboardTable) {
-        super(title, field, new TextCell(), leaderboardTable);
-    }
-
-    @Override
-    public String getValue(LeaderboardRowDAO row) {
-        FieldType fieldValue = getField().get(row);
-        return fieldValue == null ? "" : fieldValue.toString();
-    }
-}