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 displayTextId = encParamId + "_displayText"; 
		String displayTextName = ParameterAccessor.PREFIX_DISPLAY_TEXT
				+ encParamName;
		boolean isSelected = false;
		boolean isNullValue = param.getValue( ) == null;
		String valueId = encParamId + "_value"; 
		String nullValueId = encParamId + "_null"; 
		String radioSelectId = encParamId + "_radio_select"; 
		String radioTextId = encParamId + "_radio_input"; 
		String inputTextId = encParamId + "_input"; 
		String isLocaleId = encParamId + "_islocale"; 		
		String patternId = encParamId + "_pattern"; 
		String patternName = encParamName + "_format"; 
		if ( !paramDef.mustMatch( ) )
		{
			writer.write( "\n<script language=\"JavaScript\">\n" ); 
			
			writer.write( "function updateParam" + encParamId + "( flag )\n" ); 
			writer.write( "{\n" ); 
			writer
					.write( "var radioSelectCtl = document.getElementById(\"" + radioSelectId + "\");\n" ); 
			writer
					.write( "if( radioSelectCtl ) radioSelectCtl.checked = flag;\n" ); 
			writer
					.write( "var radioTextCtl = document.getElementById(\"" + radioTextId + "\");\n" ); 
			writer.write( "if( radioTextCtl ) radioTextCtl.checked = !flag;\n" ); 
			writer
					.write( "var selectCtl = document.getElementById(\"" + encParamId + "\");\n" ); 
			writer.write( "if( selectCtl ) selectCtl.disabled = !flag;\n" ); 
			writer