private ComponentContainer buildTopMenu() {
HorizontalLayout topMenu = new HorizontalLayout();
// topMenu.setMargin(true);
topMenu.setWidth("100%");
topMenu.addComponent(new Embedded("", new ThemeResource("img/logoSPEOSVBC.gif")));
VerticalLayout userData = new VerticalLayout();
userData.addComponent(usernameLl);
userData.addComponent(clockLl);
userData.addComponent(foldernameLl);
topMenu.addComponent(userData);
topMenu.setComponentAlignment(userData, Alignment.BOTTOM_RIGHT);
Refresher refresher = new Refresher();
// refresher.setRefreshInterval(200);
refresher.addListener(new TopMenuRefresherListener(this, userData));
topMenu.addComponent(refresher);
return topMenu;
}
public TrackingScreen() {
setMargin(true);
setSpacing(true);
setSizeFull();
VerticalLayout vl = new VerticalLayout();
vl.setSizeUndefined();
final SatelliteTable table =
new SatelliteTable(
new String[] {"catalogNumber", "commonName"},
new String[] {"Catalog Number", "Common Name"},
10);
table.setSizeUndefined();
vl.addComponent(table);
Button compute =
new Button(
"Track",
new Button.ClickListener() {
private static final long serialVersionUID = -2433152978338766513L;
public void buttonClick(ClickEvent event) {
if (table.getValue() == null) {
return;
}
Item item = table.getItem(table.getValue());
Long id = (Long) item.getItemProperty("catalogNumber").getValue();
Satellite sat = satService.getSatellite(id);
TleEntry entry = satService.getLatestTleEntry(sat);
vectorLayer.removeAllComponents();
markerLayer.removeAllComponents();
try {
TLE tle = new TLE(entry.getLine1(), entry.getLine2());
AbsoluteDate startDate = new AbsoluteDate(new Date(), TimeScalesFactory.getUTC());
double period = sat.getPeriod();
double iterations = 2;
long step = period > 100 ? 180 : 90;
BoundedPropagator boundedProp =
SatellitePropagation.getEphemeris(
tle, startDate.shiftedBy(-60 * 30), 60L * period * iterations, step);
currentTracker = new Tracker(boundedProp);
AbsoluteDate date = currentTracker.getStartDate();
List<Point> points = new LinkedList<Point>();
double lastLon = 0d;
while (date.compareTo(currentTracker.getEndDate()) < 0) {
GeodeticPoint gp = currentTracker.getPoint(date);
double lat = Math.toDegrees(gp.getLatitude());
double lon = Math.toDegrees(gp.getLongitude());
if (lastLon > 0 && lon < 0) {
Vector line = new PolyLine();
line.setPoints(points.toArray(new Point[points.size()]));
vectorLayer.addVector(line);
points.clear();
}
points.add(new Point(lon, lat));
lastLon = lon;
date = date.shiftedBy(step);
}
Vector line = new PolyLine();
line.setPoints(points.toArray(new Point[points.size()]));
vectorLayer.addVector(line);
GeodeticPoint gp = currentTracker.getPoint(startDate);
double lat = Math.toDegrees(gp.getLatitude());
double lon = Math.toDegrees(gp.getLongitude());
marker = new Marker(lon, lat);
// URL of marker Icon
marker.setIcon("images/satellite_48_hot.png", 24, 24);
markerLayer.addMarker(marker);
} catch (Exception e) {
e.printStackTrace();
}
}
});
compute.setWidth("100%");
compute.addStyleName(Runo.BUTTON_DEFAULT);
compute.addStyleName(Runo.BUTTON_BIG);
vl.addComponent(compute);
addComponent(vl);
OpenLayersMap map = new OpenLayersMap();
map.setSizeFull();
map.setImmediate(true); // update extent and zoom to server as they change
OpenStreetMapLayer osm = new OpenStreetMapLayer();
map.addLayer(osm);
vectorLayer = new VectorLayer();
vectorLayer.setSelectionMode(SelectionMode.NONE);
Style defaultStyle = new Style();
/* Set stroke color to green, otherwise like default style */
defaultStyle.extendCoreStyle("default");
defaultStyle.setStrokeColor("#00b963");
defaultStyle.setStrokeOpacity(0.5);
defaultStyle.setStrokeWidth(1);
Style selectStyle = new Style();
/* Set select color to blue, otherwise like default style */
selectStyle.extendCoreStyle("default");
selectStyle.setStrokeColor("#0063b9");
selectStyle.setStrokeOpacity(0.5);
selectStyle.setStrokeWidth(1);
StyleMap styleMap = new StyleMap(defaultStyle, selectStyle, null);
// make selectStyle inherit attributes not explicitly set
styleMap.setExtendDefault(true);
vectorLayer.setStyleMap(styleMap);
vectorLayer.setDrawindMode(DrawingMode.NONE);
map.addLayer(vectorLayer);
// Define a Marker Layer
markerLayer = new MarkerLayer();
map.addLayer(markerLayer);
addComponent(map);
setExpandRatio(map, 1);
Refresher r = new Refresher();
r.setRefreshInterval(1000);
r.addListener(
new RefreshListener() {
private static final long serialVersionUID = 2875834508560395285L;
@Override
public void refresh(Refresher source) {
if (marker != null && currentTracker != null) {
try {
AbsoluteDate currentDate = new AbsoluteDate(new Date(), TimeScalesFactory.getUTC());
GeodeticPoint gp = currentTracker.getPoint(currentDate);
double lat = Math.toDegrees(gp.getLatitude());
double lon = Math.toDegrees(gp.getLongitude());
marker.setLon(lon);
marker.setLat(lat);
} catch (OrekitException e) {
e.printStackTrace();
}
}
}
});
addComponent(r);
}