Bug 201236 Issue about Allow multiple and duplicate values in Layout preview[0705]
Description: Issue about Allow multiple and duplicate values in Layout preview Build number:2.2.1.v20070827 Steps to reproduce: 1. New sample data source and dataset from CUSTOMERS. 2. New a parameter p1, listbox, dynamic, value field COUNTRY, tick on allow duplicate value, tick on allow multiple values. 3. Insert a data item to Layout, set expression as var values=""; for (i=0;i<params["p1"].value.length;i++) values=values+params["p1"].value[i]+"."; values; 4. In Layout, click Preview and select France. Expected result: Display one France. Actual result: Display several France. I tried the same action but preview in Web viewer and extenal html, the result is only one France. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/taglib/ParamDefTag.java
*/
	protected void __process( ) throws Exception
	{
		if ( viewer == null )
			return;
		HttpServletRequest request = (HttpServletRequest) pageContext
				.getRequest( );
		this.locale = BirtTagUtil.getLocale( request, viewer.getLocale( ) );
		
		this.options = new InputOptions( );
		options.setOption( InputOptions.OPT_REQUEST, request );
		options.setOption( InputOptions.OPT_LOCALE, this.locale );
		options.setOption( InputOptions.OPT_RTL, Boolean.valueOf( viewer
				.getRtl( ) ) );
		
		Collection paramDefList = viewer.getParameterDefList( );
		if ( paramDefList == null )
		{
			
			BirtReportServiceFactory.getReportService( ).setContext(
					pageContext.getServletContext( ), options );
			
			IViewerReportDesignHandle designHandle = BirtTagUtil
					.getDesignHandle( request, viewer );
			viewer.setReportDesignHandle( designHandle );
			paramDefList = BirtReportServiceFactory.getReportService( )
					.getParameterDefinitions( designHandle, options, false );
			viewer.setParameterDefList( paramDefList );
		}