/**
* @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
*/
public void propertyChange(final PropertyChangeEvent event) {
IArticleAttribute attribute = ((IArticleAttributeModel) event.getSource()).getObject();
OrderLine orderLine = attribute.getOrderLine();
if (orderLine != null) {
orderLine.setHasArticle(null);
orderLine.setAttributeInfo(null);
orderLine.removeAllOrderLineAttributeInfo();
orderLine.setIsDefault(null);