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
Object paramValueObj = null;
				
				if ( !this.parametersAsString.containsKey( paramName ) )
				{
					
					paramValueObj = this.defaultValues.get( paramName );
				}
				if ( parameter.isMultiValue( ) )
				{
					params.put( paramName, new Object[]{paramValueObj} );
				}
				else
				{
					params.put( paramName, paramValueObj );
				}
			}
		}
		return params;
	}
	/**
	 * Returns parameter default values map
	 * 
	 * @param design
	 * @param parameterList
	 * @param request
	 * @param options
	 * @return
	 * @throws ReportServiceException
	 */
	protected Map getDefaultValues( IViewerReportDesignHandle design,