Bug 183733 Implement the IScriptOjectClassInfo to provide the class infromation to support the JS code assistant.
Engine should implement the IScriptObjectClassInfo interface to return the class information for script object.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/script/internal/ListGroupScriptExecutor.java
ExecutionContext context )
	{
		try
		{
			IListGroup group = new ListGroup( groupHandle );
			if ( handleJS( group, groupHandle.getOnPrepare( ), context )
					.didRun( ) )
				return;
			IListGroupEventHandler eh = getEventHandler( groupHandle, context );
			if ( eh != null )
				eh.onPrepare( group, context.getReportContext( ) );
		} catch ( Exception e )
		{
			addException( context, e );
		}
	}
	
	public static void handleOnPageBreak( IListGroupContent content,
			ExecutionContext context )
	{
		try
		{
			ReportItemDesign listGroupDesign = ( ReportItemDesign ) content
					.getGenerateBy( );
			ReportElementInstance list = new ReportElementInstance( content, context );
			if ( handleJS( list, listGroupDesign.getOnPageBreak( ), context ).didRun( ) )
				return;
			IListGroupEventHandler eh = getEventHandler( listGroupDesign, context );
			if ( eh != null )
				eh.onPageBreak( list, context.getReportContext( ) );