How to use

org.gwtopenmaps.openlayers.client.MapWidget

constructor

private void initializeMapWidget(String cssHeight) {
  initializeDefaultMapOptions();
  mapWidget = new MapWidget("100%", cssHeight, defaultMapOptions);
  map = mapWidget.getMap();
  addMapControls(defaultMapOptions);
}

mapWidget = new MapWidget("100%", "100%", defaultMapOptions);
this.map = mapWidget.getMap();