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/CellScriptExecutor.java
eh.onPageBreak( cell, context.getReportContext( ) );
		} catch ( Exception e )
		{
			addException( context, e );
		}
	}
	private static ICellEventHandler getEventHandler( ReportItemDesign design,
			ExecutionContext context )
	{
		CellHandle handle = ( CellHandle ) design.getHandle( );
		if ( handle == null )
			return null;
		return getEventHandler( handle, context );
	}
	private static ICellEventHandler getEventHandler( CellHandle handle,
			ExecutionContext context )
	{
		ICellEventHandler eh = null;
		try
		{
			eh = ( ICellEventHandler ) getInstance( handle, context );
		} catch ( ClassCastException e )
		{
			addClassCastException( context, e, handle.getEventHandlerClass( ),
					ICellEventHandler.class );
		}
		return eh;
	}
}