Bug 146790 Help text/help text key for cascading parameter group is not supported
Steps to reproduce: 1.New a cascading parameter group 2.Switch to Properties, select the cascading parameter group 3.Set help text to "helpme" 4.Preview Expected result: Help text appears when hovering over the cascading parameter group name in Parameter input dialog Actual result: Help text/help text key is not supported
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/BirtViewerReportService.java
String paramValue = null;
			Object paramValueObj = null;
			String paramName = parameterObj.getName( );
			String format = parameterObj.getPattern( );
			ReportParameterConverter converter = new ReportParameterConverter(
					format, locale );
			Set paramNames = null;
			if ( parameters != null )
			{
				paramNames = parameters.keySet( );
			}
			if ( parameters != null && paramName != null )
			{
				boolean found = false;
				for ( Iterator it = paramNames.iterator( ); it.hasNext( ); )
				{
					String name = (String) it.next( );
					if ( paramName.equals( name ) )
					{
						if ( parameters.get( name ) != null )
							paramValue = parameters.get( name ).toString( );
						paramValueObj = converter.parse( paramValue,
								parameterObj.getDataType( ) );
						paramMap.put( paramName, paramValueObj );
						found = true;
						break;
					}
				}
				if ( !found && configMap.containsKey( paramName ) && isDesigner )
				{