Bug 193249 Exception is thrown out when open web browser in an old workspace [00]
Description: Exception is thrown out when open web browser in an old workspace Build number: 2.2.0.v20070619-0630 Steps to reproduce: 1. In an old workspace, open the web browser. Expected result: No exception is thrown out. Actual result: Exception is thrown out. Error log: java.lang.ArrayIndexOutOfBoundsException: 0 at org.eclipse.birt.report.designer.ui.actions.PreviewCascadingMenuGroup.isEnable(PreviewCascadingMenuGroup.java:181) at org.eclipse.birt.report.designer.ui.actions.PreviewCascadingMenuGroup.selectionChanged(PreviewCascadingMenuGroup.java:171) at org.eclipse.ui.internal.PluginAction.refreshEnablement(PluginAction.java:211) at org.eclipse.ui.internal.PluginAction.selectionChanged(PluginAction.java:282) at org.eclipse.ui.internal.PluginAction.selectionChanged(PluginAction.java:304) at org.eclipse.ui.internal.AbstractSelectionService.fireSelection(AbstractSelectionService.java:156) at org.eclipse.ui.internal.AbstractSelectionService.setActivePart(AbstractSelectionService.java:291) at org.eclipse.ui.internal.WWinPartService.updateActivePart(WWinPartService.java:125) at org.eclipse.ui.internal.WWinPartService.access$0(WWinPartService.java:115) at org.eclipse.ui.internal.WWinPartService$1.partDeactivated(WWinPartService.java:48) at org.eclipse.ui.internal.PartListenerList2$4.run(PartListenerList2.java:113) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) at org.eclipse.core.runtime.Platform.run(Platform.java:857) at org.eclipse.ui.internal.PartListenerList2.fireEvent(PartListenerList2.java:53) at org.eclipse.ui.internal.PartListenerList2.firePartDeactivated(PartListenerList2.java:111) at org.eclipse.ui.internal.PartService.firePartDeactivated(PartService.java:116) at org.eclipse.ui.internal.PartService.setActivePart(PartService.java:165) at org.eclipse.ui.internal.WorkbenchPagePartList.fireActivePartChanged(WorkbenchPagePartList.java:56) at org.eclipse.ui.internal.PartList.setActivePart(PartList.java:126) at org.eclipse.ui.internal.WorkbenchPage.setActivePart(WorkbenchPage.java:3384) at org.eclipse.ui.internal.WorkbenchPage.activate(WorkbenchPage.java:602) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2730) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2633) at org.eclipse.ui.internal.WorkbenchPage.access$12(WorkbenchPage.java:2625) at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2577) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2572) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2556) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2539) at org.eclipse.ui.internal.browser.InternalBrowserEditorInstance.openURL(InternalBrowserEditorInstance.java:47) at org.eclipse.wst.server.ui.internal.webbrowser.OpenBrowserWorkbenchAction.run(OpenBrowserWorkbenchAction.java:62) at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:256) at org.eclipse.ui.internal.WWinPluginAction.runWithEvent(WWinPluginAction.java:229) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:545) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:490) at org.eclipse.jface.action.ActionContributionItem$6.handleEvent(ActionContributionItem.java:443) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3682) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3293) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219) at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:153) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:504) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:443) at org.eclipse.equinox.launcher.Main.run(Main.java:1169)
UI/org.eclipse.birt.report.designer.ui.preview.web/src/org/eclipse/birt/report/designer/ui/actions/PreviewToolbarMenuAction.java
previewOption.setImage( previewPDFIcon );
			}
			
			else if ( format.equals( "doc" ) )
			{
				previewOption.setImage( previewDOCIcon );
			}
			else
			{
				previewOption.setImage( previewIcon );
			}
			previewOption.addSelectionListener( new SelectionAdapter( ) {
				public void widgetSelected( SelectionEvent e )
				{
					preview( format, false );
				}
			} );
		}
		return menu;
	}
	/**
	 * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow)
	 */
	public void init( IWorkbenchWindow window )
	{
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.ui.actions.PreviewAction#dispose()