Bug 168808 Display text is lost after launching import values dialog
Steps to reproduce: 1.new a parameter; 2.select list box control type; 3.press "Import Values" button to import some values; 4.assign display texts for the imported values; 5.press "Import Values" button to launch import values dialog again; 6.press ok button on dialog; Expected result: The previous assigned display texts are remained. Actual result: The previous display texts are lost.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
{
			dynamicRadio.setSelection( true );
		}
		defaultValue = inputParameter.getDefaultValue( );
		if ( DesignChoiceConstants.PARAM_TYPE_DATETIME.equals( getSelectedDataType( ) ) )
		{
			try
			{
				defaultValue = convertToStandardFormat( DEUtil.convertToDate( defaultValue ) );
			}
			catch ( ParseException e )
			{
				ExceptionHandler.handle( e );
				return false;
			}
		}
		if ( inputParameter.getPropertyHandle( ScalarParameterHandle.LIST_LIMIT_PROP )
				.isSet( ) )
		{
			listLimit.setText( String.valueOf( inputParameter.getListlimit( ) ) );
		}
		isHidden.setSelection( inputParameter.isHidden( ) );
		allowNull.setSelection( inputParameter.allowNull( ) );
		allowBlank.setSelection( inputParameter.allowBlank( ) );
		doNotEcho.setSelection( inputParameter.isConcealValue( ) );
		needSort.setSelection( !inputParameter.isFixedOrder( ) );
		changeDataType( );
		dataTypeChooser.setText( DATA_TYPE_CHOICE_SET.findChoice( inputParameter.getDataType( ) )
				.getDisplayName( ) );
		switchParamterType( );