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
writer.write( ParameterAccessor.htmlEncode( label ) );
			writer.write( "</option>\n" ); 
		}
		String defaultValueText = null;
		if ( !isSelected )
		{
			Object defaultValue = BirtReportServiceFactory.getReportService( )
					.getParameterDefaultValue( viewer.getReportDesignHandle( ),
							param.getName( ), options );
			if ( defaultValue == null )
			{
				isNullValue = true;
			}
			else
			{
				isNullValue = false;
				defaultValueText = DataUtil.getDisplayValue( defaultValue );
				if ( this.valueString.equalsIgnoreCase( defaultValueText )
						|| paramDef.mustMatch( ) )
				{
					if ( defaultValueText != null )
						this.valueString = defaultValueText;
					String defaultDisplayText = ParameterValidationUtil
							.getDisplayValue( null, this.pattern, defaultValue,
									locale );
					if ( defaultDisplayText != null )
						this.displayTextString = defaultDisplayText;
					writer.write( "<option " ); 
					writer
							.write( " value=\"" + ParameterAccessor.htmlEncode( this.valueString ) + "\" " );