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( "{\n" ); 
		writer.write( "inputCtl.onchange = function( ) { \n" ); 
		writer.write( "handleTextParam" + encParamId + "( );\n" ); 
		writer.write( "progressBar.setHandler(" + casObj + ");\n" ); 
		writer.write( casObj + ".process( ); };\n" ); 
		writer.write( "}\n" ); 
		writer.write( "</script>\n" ); 
	}
	/**
	 * Get parameter selection list from cascading parameter
	 * 
	 * @return
	 * @throws ReportServiceException
	 */
	private Collection getParameterSelectionListForCascadingGroup( )
			throws ReportServiceException
	{
		ParameterGroupDefinition group = (ParameterGroupDefinition) paramDef
				.getGroup( );
		int index = group.getParameters( ).indexOf( paramDef );
		Object[] groupKeys = new Object[index];
		for ( int i = 0; i < index; i++ )
		{
			ParameterDefinition def = (ParameterDefinition) group
					.getParameters( ).get( i );
			String parameterName = def.getName( );
			groupKeys[i] = requesterTag.getParameters( ).get( parameterName );
		}
		return BirtReportServiceFactory.getReportService( )
				.getSelectionListForCascadingGroup(