Bug 121370 ?eirst open BIRT, property editor can not be opened.
eirst open BIRT , create a new workspace, property editor can not be opened, system throws exception. Steps: 1.Install eclipse and birt 2.Open the eclipse 3.Create a new workspace Actual Results: 1.Propertye editor can not be opened, system throws exception java.lang.NullPointerException at org.eclipse.birt.report.model.api.GroupElementHandle.<init>(GroupElementHandle.java:86) at org.eclipse.birt.report.designer.util.DEUtil.getGroupElementHandle(DEUtil.java:1562) at org.eclipse.birt.report.designer.ui.views.attributes.AttributeView.addActions(AttributeView.java:334) at org.eclipse.birt.report.designer.ui.views.attributes.AttributeView.createPartControl(AttributeView.java:276) at org.eclipse.ui.internal.PartPane$2.run(PartPane.java:137) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:616) at org.eclipse.core.runtime.Platform.run(Platform.java:747) at org.eclipse.ui.internal.PartPane.createChildControl(PartPane.java:133) at org.eclipse.ui.internal.ViewPane.createChildControl(ViewPane.java:135) at org.eclipse.ui.internal.ViewFactory$1.run(ViewFactory.java:351) at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:616) at org.eclipse.core.runtime.Platform.run(Platform.java:747) at org.eclipse.ui.internal.ViewFactory.busyRestoreView(ViewFactory.java:273) at org.eclipse.ui.internal.ViewFactory$2.run(ViewFactory.java:530) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69) at org.eclipse.ui.internal.ViewFactory.restoreView(ViewFactory.java:528) at org.eclipse.ui.internal.ViewFactory$ViewReference.getPart(ViewFactory.java:102) at org.eclipse.ui.internal.WorkbenchPage$1.propertyChange(WorkbenchPage.java:132) at org.eclipse.ui.internal.LayoutPart.setVisible(LayoutPart.java:268) at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:317) at org.eclipse.ui.internal.ViewPane.setVisible(ViewPane.java:568) at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:122) at org.eclipse.ui.internal.presentations.DefaultPartPresentation.selectPart(DefaultPartPresentation.java:1116) at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:946) at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:921) at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1020) at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:383) at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:367) at org.eclipse.ui.internal.PartSashContainer.createControl(PartSashContainer.java:432) at org.eclipse.ui.internal.PerspectiveHelper.activate(PerspectiveHelper.java:155) at org.eclipse.ui.internal.Perspective.onActivate(Perspective.java:732) at org.eclipse.ui.internal.WorkbenchPage.setPerspective(WorkbenchPage.java:2818) at org.eclipse.ui.internal.WorkbenchPage.busySetPerspective(WorkbenchPage.java:743) at org.eclipse.ui.internal.WorkbenchPage.access$8(WorkbenchPage.java:728) at org.eclipse.ui.internal.WorkbenchPage$12.run(WorkbenchPage.java:2961) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69) at org.eclipse.ui.internal.WorkbenchPage.setPerspective(WorkbenchPage.java:2959) at org.eclipse.ui.internal.ChangeToPerspectiveMenu.run(ChangeToPerspectiveMenu.java:87) at org.eclipse.ui.actions.PerspectiveMenu.run(PerspectiveMenu.java:303) at org.eclipse.ui.actions.PerspectiveMenu$3.widgetSelected(PerspectiveMenu.java:119) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:89) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:82) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:796) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:2772) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2431) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1377) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1348) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:254) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:141) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:96) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:335) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:273) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:129) 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:324) at org.eclipse.core.launcher.Main.basicRun(Main.java:185) at org.eclipse.core.launcher.Main.run(Main.java:704) at org.eclipse.core.launcher.Main.main(Main.java:688) Expected Results: 1.Property editor can be opened.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DEUtil.java
{
			if ( decPlaces > 100 )
			{
				decPlaces = 100;
			}
			int quotient = decPlaces / 10;
			int remainder = decPlaces % 10;
			StringBuffer s = new StringBuffer( 100 );
			for ( int i = 0; i < quotient; i++ )
			{
				s.append( defaultDecs );
			}
			s.append( defaultDecs.substring( 0, remainder ) );
			decStr = s.toString( );
		}
		return decStr;
	}
	/**
	 * @param transferSource
	 * @return true if parameter is parameter group.
	 */
	public static boolean isParameterGroup( Object transferSource )
	{
		return ( transferSource instanceof IDesignElement && ( (IDesignElement) transferSource )
				.getDefn( ).getName( ).equals(
						ReportDesignConstants.PARAMETER_GROUP_ELEMENT ) );
	}
	/**
	 * @return Alphabetically sortted styles list.
	 */