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
String[] sValues = (String[]) param.getValue( );
				Object[] values = new Object[sValues.length];
				for ( int i = 0; i < sValues.length; i++ )
				{
					Object valueObj = DataUtil.validateWithPattern( dataType,
							this.pattern, sValues[i], locale, isLocale );
					values[i] = valueObj;
				}
				param.setValue( values );
			}
		}
		else
		{
			Object defaultValue = BirtReportServiceFactory.getReportService( )
					.getParameterDefaultValue( viewer.getReportDesignHandle( ),
							param.getName( ), options );
			if ( this.paramDef.isMultiValue( ) )
				param.setValue( new Object[]{defaultValue} );
			else
				param.setValue( defaultValue );
		}
		
		if ( this.paramDef.isMultiValue( ) )
		{
			
			this.valueStringList = new ArrayList( );
			Object[] values = (Object[]) param.getValue( );
			if ( values != null )
			{