@Override
protected void doGetRestorableState(RestorableSupport rs, RestorableSupport.StateObject context) {
super.doGetRestorableState(rs, context);
RestorableSupport.StateObject so = rs.addStateObject(context, "layers");
for (Layer layer : this.layers) {
RestorableSupport.StateObject lso = rs.addStateObject(so, "layer");
layer.doGetRestorableState(rs, lso);
}
}
@Override
protected void doRestoreState(RestorableSupport rs, RestorableSupport.StateObject context) {
super.doRestoreState(rs, context);
RestorableSupport.StateObject so = rs.getStateObject(context, "layers");
if (so == null) return;
RestorableSupport.StateObject[] lsos = rs.getAllStateObjects(so, "layer");
if (lsos == null || lsos.length == 0) return;
ArrayList<Layer> layerList = new ArrayList<Layer>(lsos.length);
for (RestorableSupport.StateObject lso : lsos) {
if (lso != null) {
Layer layer = new Layer();
layer.doRestoreState(rs, lso);
layerList.add(layer);
}
}
this.setLayers(layerList);
}