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
|| DesignChoiceConstants.PARAM_TYPE_INTEGER.equals( getSelectedDataType( ) ) )
				{
					formatCategroy = choiceSet.findChoice( DesignChoiceConstants.NUMBER_FORMAT_TYPE_UNFORMATTED )
							.getName( );
				}
				formatPattern = null;
			}
			else
			{
				formatCategroy = inputParameter.getCategory( );
				if ( formatCategroy == null )
				{
					formatCategroy = DesignChoiceConstants.STRING_FORMAT_TYPE_UNFORMATTED;
				}
				formatPattern = inputParameter.getPattern( );
			}
		}
		updateFormatField( );
	}
	private void refreshDataSets( )
	{
		String selectedDataSetName = dataSetChooser.getText( );
		String[] oldList = dataSetChooser.getItems( );
		List dataSetList = new ArrayList( );
		for ( Iterator iterator = inputParameter.getModuleHandle( )
				.getVisibleDataSets( )
				.iterator( ); iterator.hasNext( ); )
		{
			DataSetHandle DataSetHandle = (DataSetHandle) iterator.next( );
			dataSetList.add( DataSetHandle.getQualifiedName( ) );