protected void setAirspaces(Iterable<? extends Airspace> airspaces) {
ArrayList<AirspaceEntry> entryList =
new ArrayList<AirspaceEntry>(this.getModel().getEntries());
this.removeEntries(entryList);
for (Airspace airspace : airspaces) {
airspace.setAttributes(getDefaultAttributes());
AirspaceEntry entry = new AirspaceEntry(airspace, getEditorFor(airspace));
this.addEntry(entry);
}
}
protected void loadAirspacesFromPath(String path, Collection<Airspace> airspaces) {
File file = ExampleUtil.saveResourceToTempFile(path, ".zip");
if (file == null) return;
try {
ZipFile zipFile = new ZipFile(file);
ZipEntry entry = null;
for (Enumeration<? extends ZipEntry> e = zipFile.entries();
e.hasMoreElements();
entry = e.nextElement()) {
if (entry == null) continue;
String name = WWIO.getFilename(entry.getName());
if (!(name.startsWith("gov.nasa.worldwind.render.airspaces") && name.endsWith(".xml")))
continue;
String[] tokens = name.split("-");
try {
Class c = Class.forName(tokens[0]);
Airspace airspace = (Airspace) c.newInstance();
BufferedReader input =
new BufferedReader(new InputStreamReader(zipFile.getInputStream(entry)));
String s = input.readLine();
airspace.restoreState(s);
airspaces.add(airspace);
if (tokens.length >= 2) {
airspace.setValue(AVKey.DISPLAY_NAME, tokens[1]);
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
protected void doMoveAirspaceLaterally(
WorldWindow wwd, Airspace airspace, Point mousePoint, Point previousMousePoint) {
// Intersect a ray throuh each mouse point, with a geoid passing through the reference
// elevation. Since
// most airspace control points follow a fixed altitude, this will track close to the intended
// mouse position.
// If either ray fails to intersect the geoid, then ignore this event. Use the difference
// between the two
// intersected positions to move the control point's location.
if (!(airspace instanceof Movable)) {
return;
}
Movable movable = (Movable) airspace;
View view = wwd.getView();
Globe globe = wwd.getModel().getGlobe();
Position refPos = movable.getReferencePosition();
if (refPos == null) return;
// Convert the reference position into a cartesian point. This assumes that the reference
// elevation is defined
// by the airspace's lower altitude.
Vec4 refPoint = null;
if (airspace.isTerrainConforming()[LOWER_ALTITUDE])
refPoint = wwd.getSceneController().getTerrain().getSurfacePoint(refPos);
if (refPoint == null) refPoint = globe.computePointFromPosition(refPos);
// Convert back to a position.
refPos = globe.computePositionFromPoint(refPoint);
Line ray = view.computeRayFromScreenPoint(mousePoint.getX(), mousePoint.getY());
Line previousRay =
view.computeRayFromScreenPoint(previousMousePoint.getX(), previousMousePoint.getY());
Vec4 vec = AirspaceEditorUtil.intersectGlobeAt(wwd, refPos.getElevation(), ray);
Vec4 previousVec = AirspaceEditorUtil.intersectGlobeAt(wwd, refPos.getElevation(), previousRay);
if (vec == null || previousVec == null) {
return;
}
Position pos = globe.computePositionFromPoint(vec);
Position previousPos = globe.computePositionFromPoint(previousVec);
LatLon change = pos.subtract(previousPos);
movable.move(new Position(change.getLatitude(), change.getLongitude(), 0.0));
this.fireAirspaceMoved(new AirspaceEditEvent(wwd, airspace, this));
}
