GMap Event

@Named
@RequestScoped
public class EventView implements Serializable {

    public void onStateChange(StateChangeEvent event) {
        LatLngBounds bounds = event.getBounds();
        int zoomLevel = event.getZoomLevel();

        addMessage(new FacesMessage(FacesMessage.SEVERITY_INFO, "Zoom Level", String.valueOf(zoomLevel)));
        addMessage(new FacesMessage(FacesMessage.SEVERITY_INFO, "Center", event.getCenter().toString()));
        addMessage(new FacesMessage(FacesMessage.SEVERITY_INFO, "NorthEast", bounds.getNorthEast().toString()));
        addMessage(new FacesMessage(FacesMessage.SEVERITY_INFO, "SouthWest", bounds.getSouthWest().toString()));
    }

    public void onPointSelect(PointSelectEvent event) {
        LatLng latlng = event.getLatLng();

        FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_INFO, "Point Selected",
                "Lat:" + latlng.getLat() + ", Lng:" + latlng.getLng()));
    }

    public void addMessage(FacesMessage message) {
        FacesContext.getCurrentInstance().addMessage(null, message);
    }
}