OpenSupport.java 文件源码

/** Accepts property changes from DataObject and fires them to
* own listeners.
*/
public void propertyChange(PropertyChangeEvent ev) {
    if (DataObject.PROP_MODIFIED.equals (ev.getPropertyName())) {
        if (getDataObject ().isModified ()) {
            getDataObject ().addVetoableChangeListener(this);
        } else {
            getDataObject ().removeVetoableChangeListener(this);
        }
    }

    firePropertyChange (
        ev.getPropertyName (),
        ev.getOldValue (),
        ev.getNewValue ()
    );
}