/*
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*/
package de.wannawork.jcalendar;
import javax.swing.SpinnerDateModel;
/**
*
* @author mg
*/
public class NullableSpinnerDateModel extends SpinnerDateModel {
protected boolean isNull;
public NullableSpinnerDateModel() {
super();
setValue(null);
}
@Override
public Object getValue() {
if (isNull) {
return null;
} else {
return super.getValue();
}
}
@Override
public void setValue(Object value) {
if (!(value instanceof OptimisticDateFormatter.StringContainer)) {
boolean oldIsNull = isNull;
isNull = value == null;
if (!isNull) {
super.setValue(value);
}
if (isNull != oldIsNull) {
fireStateChanged();
}
}
}
}