@Wire
private Openlayers map;
public void doAfterCompose(Window comp) throws Exception {
super.doAfterCompose(comp);
map.addLayer(new Yahoo("Yahoo"));
map.addLayer(new WMS("OpenLayers WMS",
"http://vmap0.tiles.osgeo.org/wms/vmap0", toMap(pair("layers",
"basic"))));
map.addControl(new LayerSwitcher());
map.setCenter(new LonLat(23.342453, 120.320154).transform(