Bug 164430 [regression]Dynamic parameter without display text display no values[0705]
Description: Dynamic parameter without display text display no values in parameter dialog when preview the report. Build number: 2.2.0.v20061114-1013 Steps to reproduce: 1. New a data source and dataset. 2. New a dynamic report parameter, keep display text none. 3. Preview Expected result: Values from dataset are listed in paramter dialog. Actual result: empty list. Error log: N/A
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
.getElement( ReportDesignConstants.SCALAR_PARAMETER_ELEMENT )
			.getProperty( ScalarParameterHandle.DATA_TYPE_PROP )
			.getAllowedChoices( );
	private static final IChoiceSet CONTROL_TYPE_CHOICE_SET = DEUtil.getMetaDataDictionary( )
			.getChoiceSet( DesignChoiceConstants.CHOICE_PARAM_CONTROL );
	private ScalarParameterHandle inputParameter;
	private boolean loading = true;
	private Text nameEditor, promptTextEditor, defaultValueEditor,
			helpTextEditor, formatField;
	
	private Label promptMessageLine;
	
	private CLabel errorMessageLine;
	
	private Button allowNull, allowBlank, doNotEcho, isHidden, needSort;
	
	private Button importValue, changeDefault, changeFormat, createDataSet;
	
	private Button dynamicRadio, staticRadio;
	
	private Combo dataTypeChooser, controlTypeChooser, defaultValueChooser;
	
	private Combo dataSetChooser, columnChooser, displayTextChooser;
	
	private Label previewLabel;
	private TableViewer valueTable;
	private String lastDataType, lastControlType;
	private String formatCategroy, formatPattern;
	private String defaultValue;
	private Composite valueArea;