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/DataItemScriptExecutor.java
{
		try
		{
			ReportItemDesign dataItemDesign = ( ReportItemDesign ) content
					.getGenerateBy( );
			IDataItemInstance dataItem = new DataItemInstance( content, context );
			if ( handleJS( dataItem, dataItemDesign.getOnRender( ), context )
					.didRun( ) )
				return;
			IDataItemEventHandler eh = getEventHandler( dataItemDesign, context );
			if ( eh != null )
				eh.onRender( dataItem, context.getReportContext( ) );
		} catch ( Exception e )
		{
			addException( context, e );
		}
	}
	
	public static void handleOnPageBreak( IDataContent content,
			ExecutionContext context )
	{
		try
		{
			ReportItemDesign dataItemDesign = ( ReportItemDesign ) content
					.getGenerateBy( );
			IDataItemInstance dataItem = new DataItemInstance( content, context );
			if ( handleJS( dataItem, dataItemDesign.getOnPageBreak( ), context )
					.didRun( ) )
				return;
			IDataItemEventHandler eh = getEventHandler( dataItemDesign, context );