@Override
protected void execute(IModelChangedEvent event, boolean undo) {
Object[] elements = event.getChangedObjects();
int type = event.getChangeType();
String propertyName = event.getChangedProperty();
IModelChangeProvider model = event.getChangeProvider();
switch (type) {
case IModelChangedEvent.INSERT:
if (undo) executeRemove(model, elements);
else executeAdd(model, elements);
break;
case IModelChangedEvent.REMOVE:
if (undo) executeAdd(model, elements);
else executeRemove(model, elements);
break;
case IModelChangedEvent.CHANGE:
if (event instanceof AttributeChangedEvent) {
executeAttributeChange((AttributeChangedEvent) event, undo);
} else {
if (undo)
executeChange(elements[0], propertyName, event.getNewValue(), event.getOldValue());
else executeChange(elements[0], propertyName, event.getOldValue(), event.getNewValue());
}
}
}
