public void addMapLayerRemovedListener(final MapLayerRemovedListener listener) {
eventListeners.addListener(this, listener, EventType.MAP_LAYER_REMOVED,
new EventHandler() {
public void onHandle(EventObject eventObject) {
MapLayerRemovedEvent e = new MapLayerRemovedEvent(
eventObject);
listener.onLayerRemoved(e);
}
});