Bug 166919 Combo Box and List Box are reverse in Cascading Parameter
Combo Box and List Box are reverse in Cascading Parameter. The appearance of Combo/List must be consistent.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/CascadingParametersDialog.java
private Text cascadingNameEditor;
	private Text promptTextEditor;
	private Text paramNameEditor;
	private Text helpTextEditor;
	private Text defaultValueEditor;
	private Text formatField;
	private Text listLimit;
	private Text promptText;
	private Combo dataTypeChooser;
	private Combo displayTypeChooser;
	private Button changeFormat;
	private Button singleDataSet, multiDataSet;
	private Label previewLable;
	private Table table;
	private TableViewer valueTable;
	private CellEditor[] cellEditors;
	private static final IChoiceSet DATA_TYPE_CHOICE_SET = DEUtil.getMetaDataDictionary( )
			.getElement( ReportDesignConstants.SCALAR_PARAMETER_ELEMENT )
			.getProperty( ScalarParameterHandle.DATA_TYPE_PROP )
			.getAllowedChoices( );
	private CascadingParameterGroupHandle inputParameterGroup;
	private ScalarParameterHandle selectedParameter;
	
	protected ScalarParameterHandle newParameter = null;
	private String defaultValue;
	private String formatPattern;
	private String formatCategroy;
	private boolean loading = true;
	private Button allowNull;
	private int maxStrLengthProperty;