PropertyGroupHandlerExtension
From OpenKM Documentation
Any extension that implements PropertyGroupHandlerExtension will be watching all events fired from property group ( metadata ) tab.
Method
onChange(PropertyGroupEventConstant event)
Each time it'll be some new property group ( metadata ) event the method onChange it'll be fired by OpenKM
Example
public class Example implements PropertyHandlerExtension {
public Example() {
}
@Override
public void onChange(PropertyEventConstant event) {
if (event.equals(HasPropertyGroupEvent.EVENT_PROPERTYGROUP_CHANGED)) {
Window.alert("propertyGroup changed - " +event.getType());
} else {
Window.alert("other property group event - " +event.getType());
}
}
}