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/context/ViewerAttributeBean.java
this.defaultValues = getDefaultValues( this.reportDesignHandle,
				parameterDefList, request, options );
		
		this.displayTexts = BirtUtility.getDisplayTexts( this.parameterDefList,
				this.displayTexts, request );
		
		this.locParams = BirtUtility.getLocParams( this.locParams, request );
		
		this.parameters = (HashMap) getParsedParameters(
				this.reportDesignHandle, parameterDefList, request, options );
		
		this.parametersAsString = getParsedParametersAsStringWithDefaultValue(
				this.parametersAsString, parameterDefList, request, options );
	}
	/**
	 * Check whether show parameter page or not
	 * 
	 * @param request
	 * @return
	 */
	private boolean checkShowParameterPage( HttpServletRequest request )
	{
		if ( !ParameterAccessor.HEADER_REQUEST_TYPE_SOAP
				.equalsIgnoreCase( this.requestType )
				&& !IBirtConstants.SERVLET_PATH_DOWNLOAD
						.equalsIgnoreCase( request.getServletPath( ) ) )
		{
			String showParameterPage = ParameterAccessor
					.getShowParameterPage( request );
			if ( "false".equalsIgnoreCase( showParameterPage ) )