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/internal/ui/dialogs/ImportValueDialog.java
return true;
		}
		if ( DesignChoiceConstants.COLUMN_DATA_TYPE_DATETIME.equals( column.getDataType( ) ) )
		{
			return style.equals( DesignChoiceConstants.PARAM_TYPE_DATETIME );
		}
		else if ( DesignChoiceConstants.COLUMN_DATA_TYPE_DECIMAL.equals( column.getDataType( ) ) )
		{
			return style.equals( DesignChoiceConstants.PARAM_TYPE_DECIMAL )
					|| style.equals( DesignChoiceConstants.PARAM_TYPE_INTEGER );
		}
		else if ( DesignChoiceConstants.COLUMN_DATA_TYPE_FLOAT.equals( column.getDataType( ) ) )
		{
			return style.equals( DesignChoiceConstants.PARAM_TYPE_FLOAT );
		}
		else if ( DesignChoiceConstants.COLUMN_DATA_TYPE_INTEGER.equals( column.getDataType( ) ) )
		{
			return style.equals( DesignChoiceConstants.PARAM_TYPE_INTEGER );
		}
		return false;
	}
	private void refreshValues( )
	{
		resultList.clear( );
		if ( columnChooser.isEnabled( ) )
		{
			ResultSetColumnHandle selectedColumn = null;
			try
			{
				BaseQueryDefinition query = (BaseQueryDefinition) DataUtil.getPreparedQuery( engine,