/**
* Calls the {@link LayerChangeListener#activeLayerChange(Layer, Layer)} method of all listeners.
*
* @param oldLayer The old layer
* @param newLayer The new active layer.
*/
protected void fireActiveLayerChanged(Layer oldLayer, Layer newLayer) {
checkLayerLockNotHeld();
for (LayerChangeListener l : layerChangeListeners) {
l.activeLayerChange(oldLayer, newLayer);
}
}
/**
* Adds a layer change listener
*
* @param listener the listener. Ignored if null or already registered.
* @param initialFire fire an active-layer-changed-event right after adding the listener in case
* there is a layer present (should be)
*/
public static void addLayerChangeListener(LayerChangeListener listener, boolean initialFire) {
addLayerChangeListener(listener);
if (initialFire && Main.isDisplayingMapView()) {
listener.activeLayerChange(null, Main.map.mapView.getActiveLayer());
}
}
