Bug 160659 CCE in ResourceNavigator
16 failures in the org.eclipse.ui.tests java.lang.ClassCastException at org.eclipse.ui.tests.navigator.ResourceNavigatorTest.testSelectReveal(ResourceNavigatorTest.java:133) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:327) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:201) at org.eclipse.test.UITestApplication$3.run(UITestApplication.java:188) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3182) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2884) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1916) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1880) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95) at org.eclipse.test.UITestApplication.runApplication(UITestApplication.java:131) at org.eclipse.test.UITestApplication.run(UITestApplication.java:58) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:74) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:348) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:165) at org.eclipse.core.launcher.Main.invokeFramework(Main.java:341) at org.eclipse.core.launcher.Main.basicRun(Main.java:285) at org.eclipse.core.launcher.Main.run(Main.java:987) at org.eclipse.core.launcher.Main.main(Main.java:962)
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/navigator/ResourceNavigator.java
protected void handleDoubleClick(DoubleClickEvent event) {
        IStructuredSelection selection = (IStructuredSelection) event
                .getSelection();
        Object element = selection.getFirstElement();
        
        TreeViewer viewer = getTreeViewer();
        if (viewer.isExpandable(element)) {
            viewer.setExpandedState(element, !viewer.getExpandedState(element));
        }
    }
    /**
     * Handles a selection changed event from the viewer.
     * Updates the status line and the action bars, and links to editor (if option enabled).
     * 
     * @param event the selection event
     * @since 2.0
     */
    protected void handleSelectionChanged(SelectionChangedEvent event) {
        final IStructuredSelection sel = (IStructuredSelection) event
                .getSelection();
        updateStatusLine(sel);
        updateActionBars(sel);
        dragDetected = false;
        if (isLinkingEnabled() && !linkScheduled) {
            
            
            linkScheduled = true;
            getShell().getDisplay().asyncExec(new Runnable() {
                public void run() {