// BZ-996932: Added value change notifications.
public static Widget getDefaultValueWidget( final AttributeCol52 ac,
final boolean isReadOnly,
final DefaultValueChangedEventHandler defaultValueChangedEventHandler ) {
Widget editor = null;
final AttributeCol52 originCol = ac;
final String attributeName = ac.getAttribute();
if ( attributeName.equals( RuleAttributeWidget.RULEFLOW_GROUP_ATTR )
|| attributeName.equals( RuleAttributeWidget.AGENDA_GROUP_ATTR )
|| attributeName.equals( RuleAttributeWidget.ACTIVATION_GROUP_ATTR )
|| attributeName.equals( RuleAttributeWidget.TIMER_ATTR )