Merge branch 'gwt' of ssh://kielweek.web4sap.com/home/trac/git into gwt

java/com.sap.sailing.gwt.ui/SailingGWT.launch

@@ -21,5 +21,5 @@
 <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value="com.google.gwt.dev.DevMode"/>
 <stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="-war &quot;${project_loc:com.sap.sailing.gwt.ui}&quot; -noserver -remoteUI &quot;${gwt_remote_ui_server_port}:${unique_id}&quot; -logLevel INFO -codeServerPort 9997 -startupUrl /gwt/AdminConsole.html com.sap.sailing.gwt.ui.AdminConsole -startupUrl /gwt/LeaderboardEditing.html com.sap.sailing.gwt.ui.LeaderboardEditing -startupUrl /gwt/UserManagement.html com.sap.sailing.gwt.ui.UserManagement -startupUrl /gwt/Leaderboard.html com.sap.sailing.gwt.ui.Leaderboard -startupUrl /gwt/Spectator.html com.sap.sailing.gwt.ui.Spectator -startupUrl /gwt/RaceBoard.html com.sap.sailing.gwt.ui.RaceBoard"/>
 <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="com.sap.sailing.gwt.ui"/>
-<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Xmx512m"/>
+<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Xmx1024m"/>
 </launchConfiguration>

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

@@ -134,10 +134,12 @@ public class WindChart implements Component<WindChartSettings>, RaceSelectionCha
         plot.addHoverListener(new PlotHoverListener() {
             public void onPlotHover(Plot plot, PlotPosition position, PlotItem item) {
                 if (item != null) {
-                    SeriesHandler seriesHandler = seriesHandlersInOrder.get(item.getSeriesIndex());
-                    WindSource windSource = getWindSource(seriesHandler);
-                    selectedPointLabel.setText(windSource.name()+": "+position.getY().intValue());
-                    selectedPointLabel.setVisible(true);
+                    if (item.getSeriesIndex() < seriesHandlersInOrder.size()) {
+                        SeriesHandler seriesHandler = seriesHandlersInOrder.get(item.getSeriesIndex());
+                        WindSource windSource = getWindSource(seriesHandler);
+                        selectedPointLabel.setText(windSource.name() + ": " + position.getY().intValue());
+                        selectedPointLabel.setVisible(true);
+                    }
                 } else {
                     selectedPointLabel.setVisible(false);
                 }

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

@@ -0,0 +1,47 @@
+package com.sap.sailing.gwt.ui.client;
+
+import com.google.gwt.user.client.rpc.AsyncCallback;
+
+/**
+ * The class is used together with the #{ParallelExecutionHolder} when two or more asynchronous service calls should run in parallel
+ * and only in case all of them has been executed successfully the next action makes sense.
+ */
+public class ParallelExecutionCallback<T> implements AsyncCallback<T> {
+
+    /** The data returned from the service call. */
+    private T data;
+
+    /** A reference to the execution holder of the parallel callbacks */
+    private ParallelExecutionHolder parallelExecutionHolder;
+
+    /**
+     * The success method, which is called when the service call completes.
+     */
+    @Override
+    public void onSuccess(T t) {
+        this.data = t;
+        parallelExecutionHolder.done();
+    }
+
+    /**
+     * Gets the data returned from the async service call.
+     */
+    public T getData() {
+        return data;
+    }
+
+    /**
+     * Called by the execution holder to inject a reference to itself into the child.
+     */
+    protected void setExecutionHolder(ParallelExecutionHolder parallelExecutionHolder) {
+        this.parallelExecutionHolder = parallelExecutionHolder;
+    }
+
+    /**
+     * Handle method for a failure.
+     */
+    @Override
+    public void onFailure(Throwable t) {
+        this.parallelExecutionHolder.handleFailure(t);
+    }
+}

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

@@ -0,0 +1,43 @@
+package com.sap.sailing.gwt.ui.client;
+
+public abstract class ParallelExecutionHolder {
+
+    /** The number of successfully completed services */
+    private int doneCount = 0;
+
+    private ParallelExecutionCallback<?> asyncCallbacks[];
+
+    protected ParallelExecutionHolder(ParallelExecutionCallback<?>... callbacks) {
+        if (callbacks == null || callbacks.length == 0) {
+            throw new RuntimeException("No callbacks passed to execution holder");
+        }
+
+        this.asyncCallbacks = callbacks;
+
+        for (ParallelExecutionCallback<?> callback : callbacks) {
+            callback.setExecutionHolder(this);
+        }
+    }
+
+    /**
+     * Called by each async service call on completion. Only when all calls have been completed
+     * the handleSuccess() is called.
+     */
+    protected synchronized void done() {
+        doneCount++;
+
+        if (doneCount == asyncCallbacks.length) {
+            handleSuccess();
+        }
+    }
+
+    /**
+     * Called only when all parallel callbacks have been completed.
+     */
+    protected abstract void handleSuccess();
+
+    /**
+     * Called when one of the parallel callbacks has returned with a failure.
+     */
+    protected abstract void handleFailure(Throwable t);
+}