Bug 154178 Support projectFolder in BIRT viewer
If the report supports projectFolder, the viewer also need to enhance for this feature.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/BirtViewerReportService.java
public String runReport( IViewerReportDesignHandle design,
			String outputDocName, InputOptions runOptions, Map parameters )
			throws ReportServiceException
	{
		return runReport( design, outputDocName, runOptions, parameters, null );
	}
	public String runReport( IViewerReportDesignHandle design,
			String outputDocName, InputOptions runOptions, Map parameters,
			Map displayTexts ) throws ReportServiceException
	{
		IReportRunnable runnable;
		HttpServletRequest request = (HttpServletRequest) runOptions
				.getOption( InputOptions.OPT_REQUEST );
		Locale locale = (Locale) runOptions.getOption( InputOptions.OPT_LOCALE );
		ViewerAttributeBean attrBean = (ViewerAttributeBean) request
				.getAttribute( IBirtConstants.ATTRIBUTE_BEAN );
		
		Map parsedParams = attrBean.getParameters( );
		if ( parameters != null )
		{
			parsedParams.putAll( parameters );
		}
		
		Map displayTextMap = attrBean.getDisplayTexts( );
		if ( displayTexts != null )
		{
			displayTextMap.putAll( displayTexts );
		}
		runnable = (IReportRunnable) design.getDesignObject( );
		try