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
viewer.getReportDesignHandle( ), group.getName( ),
						groupKeys, options );
	}
	/**
	 * Handle output Radio Button type parameter
	 * 
	 * @throws Exception
	 */
	protected void __handleRadioButton( ) throws Exception
	{
		Collection selectionList = BirtReportServiceFactory.getReportService( )
				.getParameterSelectionList( viewer.getReportDesignHandle( ),
						this.options, param.getName( ) );
		if ( selectionList == null || selectionList.size( ) <= 0 )
			return;
		JspWriter writer = pageContext.getOut( );
		String encParamId = ParameterAccessor.htmlEncode( param.getId( ) );
		String encParamName = ParameterAccessor.htmlEncode( param.getName( ) );
		String displayTextId = encParamId + "_displayText"; 
		String displayTextName = ParameterAccessor.PREFIX_DISPLAY_TEXT
				+ encParamName;
		String nullValueId = encParamId + "_null"; 
		String radioNullValueId = encParamId + "_radio_null"; 
		String radioName = encParamId + "_radio"; 
		String valueId = encParamId + "_value"; 
		boolean isChecked = false;
		
		writer.write( "\n<script language=\"JavaScript\">\n" ); 
		writer.write( "function handleParam" + encParamId + "( e )\n" ); 
		writer.write( "{\n" );