Bug 161385 Redundant display text occour when preview a parameter
Redundant display text occour when preview a parameter Steps to reproduce: 1.new a boolean parameter 2.set "combo box" display type and "list of value" to static 3.new a parameter and display text "false" ,value "0" 4.drag the parameter to the layout 5.preview Expected result: there's only "false" displayed in parameter dialogue Actual result: there are "false" and "0"
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/presentation/aggregation/parameter/ComboBoxParameterFragment.java
assert attrBean != null;
		InputOptions options = new InputOptions( );
		options.setOption( InputOptions.OPT_REQUEST, request );
		Collection selectionList = null;
		ParameterDefinition paramDef = parameterBean.getParameter( );
		if ( paramDef.getGroup( ) != null && paramDef.getGroup( ).cascade( ) )
		{
			Map paramValues = attrBean.getParameters( );
			selectionList = getParameterSelectionListForCascadingGroup(
					attrBean.getReportDesignHandle( request ), service,
					paramValues, options );
			
			parameterBean.setCascade( true );
		}
		else
		{
			selectionList = service.getParameterSelectionList( attrBean
					.getReportDesignHandle( request ), options, parameter
					.getName( ) );
			
			parameterBean.setCascade( false );
		}
		parameterBean.setValueInList( false );
		if ( selectionList != null )
		{
			
			ScalarParameterHandle parameterHandle = (ScalarParameterHandle) attrBean
					.findParameter( parameter.getName( ) );
			for ( Iterator iter = selectionList.iterator( ); iter.hasNext( ); )
			{