/** ************************************************* */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Bundle extras = getIntent().getExtras();
String findLoc = null;
if (extras != null) {
findLoc = extras.getString(KEY_LOCATION);
// used by Events:
if (extras.containsKey(KEY_LON) && extras.containsKey(KEY_LAT)) {
int lon, lat;
lon = extras.getInt(KEY_LON);
lat = extras.getInt(KEY_LAT);
ev_gpt = new GeoPoint(lon, lat);
}
if (ev_gpt != null) {
mMapItems = new ArrayList<MapItem>();
MapItem m = new MapItem();
m.name = title;
m.snippets = snippet;
mMapItems.add(m);
}
if (module != null && module.equals(MODULE_SHUTTLE)) {
mRouteItem = extras.getParcelable(KEY_ROUTE);
}
}
// Four cases:
//
// 1 - Events sends LAT/LON
// 2 - Stellar sends findLoc query that should yield ONE building
// 3 - Map Search sends many buildings
// 4 - Shuttle sends many stops
center = new GeoPoint(42359238, -71093109); // MIT
mListView = (ListView) findViewById(R.id.mapListView);
TitleBar titleBar = (TitleBar) findViewById(R.id.mapTitleBar);
if (module != null) {
if (module.equals(MODULE_SHUTTLE)) {
titleBar.setTitle("Route Map");
}
} else {
titleBar.setTitle("Campus Map");
}
if (findLoc == null) {
if (mMapItems == null) {
mMapItems = loadMapItems(getIntent()); // passed from Browse or Search?
if (mMapItems == null) {
mMapItems = new ArrayList<MapItem>(); // empty ok
}
}
setOverlays();
} else {
doSearch(findLoc);
}
}
@Override
public void onDestroy() {
super.onDestroy();
if (mut != null) mut.cancel(true);
}
/** ************************************************* */
@Override
public void onResume() {
super.onResume();
if (mut != null) mut.pause = false;
// if (mut!=null) mut.notify();
}
@Override
public void onPause() {
super.onPause();
// if (mut!=null) mut.cancel(true); // would need to recreate in onResume()
if (mut != null) mut.pause = true; // TODO maybe wait()
}
/** ************************************************* */
@Override
protected void setOverlays() {
super.setOverlays();
if (markers != null) {
mapView.removeAllViews();
ovrlys.remove(markers);
}
int size = 0;
// Building or Shuttle?
if (MODULE_SHUTTLE.equals(module)) {
setTitle("Shuttles Map");
if (mut != null) mut.cancel(true);
mut = new MITMapShuttlesUpdaterTask(ctx, mapView, mRouteItem);
RoutesParser rp = new RoutesParser();
mut.execute(rp.getBaseUrl() + "?command=routeInfo&full=true", null, null);
markers = mut.stopsMarkers;
size = markers.size();
} else {
Drawable pin;
GeoPoint gpt;
// handles Events, Map search, and Stellar...
pin = this.getResources().getDrawable(R.drawable.map_red_pin);
markers = new MITItemizedOverlay(pin, this, mapView);
// Convert MapItem to PinItems
int lat, lon;
String title, name;
for (MapItem m : mMapItems) {
lat = (int) (m.lat_wgs84 * 1000000.0);
lon = (int) (m.long_wgs84 * 1000000.0);
gpt = new GeoPoint(lat, lon);
if ("".equals(m.bldgnum)) title = m.name;
else title = "Building " + m.bldgnum;
if (title.equals(m.name)) name = "";
else name = m.name;
PinItem p = new PinItem(gpt, title, name, m);
markers.addOverlay(p);
}
size = markers.size();
if (size > 0) ovrlys.add(markers);
}
// Show balloon if single item or direct from shuttle stop details view
if (size == 1) {
PinItem p = (PinItem) markers.getItem(0);
markers.makeBalloon(p);
} else if (bubble_pos > -1) {
PinItem p = (PinItem) markers.getItem(bubble_pos);
markers.makeBalloon(p);
}
// Try to center map...
if (size > 1) {
int latSpanE6 = 10000;
int lonSpanE6 = 10000;
// #1 TODO? seems unreliable (only computes after rendered?)
// center = markers.getCenter();
// int latSpan = markers.getLatSpanE6();
// int lonSpan = markers.getLonSpanE6();
// #2
PinItem p = (PinItem) markers.getItem(0);
GeoPoint g = p.getPoint();
int maxLat = g.getLatitudeE6();
int minLat = maxLat;
int maxLon = g.getLongitudeE6();
int minLon = maxLon;
int lat, lon;
for (int x = 1; x < size; x++) {
p = (PinItem) markers.getItem(x);
g = p.getPoint();
lat = g.getLatitudeE6();
lon = g.getLongitudeE6();
if (lat < minLat) minLat = lat;
if (lat > maxLat) maxLat = lat;
if (lon < minLon) minLon = lon;
if (lon > maxLon) maxLon = lon;
}
lat = (maxLat - minLat) / 2 + minLat;
lon = (maxLon - minLon) / 2 + minLon;
center = new GeoPoint(lat, lon);
mctrl.setCenter(center);
if (maxLat - minLat > 0) latSpanE6 = maxLat - minLat;
if (maxLon - minLon > 0) lonSpanE6 = maxLon - minLon;
// mctrl.zoomToSpan(latSpanE6, lonSpanE6);
final int latSpan = (int) (latSpanE6 * 0.90);
final int lonSpan = (int) (lonSpanE6 * 0.90);
mapView.post(
new Runnable() {
@Override
public void run() {
// MapView ignores following unless using post() (needs to render first)
mctrl.zoomToSpan(latSpan, lonSpan);
int z = mapView.getZoomLevel();
if (z < 15) {
mctrl.setZoom(15);
}
}
});
} else if (size == 1) {
mctrl.setCenter(center);
mapView.post(
new Runnable() {
@Override
public void run() {
// MapView ignores following unless using post() (needs to render first)
mctrl.setZoom(INIT_ZOOM_ONE_ITEM);
}
});
} else {
// Initial zoom out
mctrl.setCenter(center);
mapView.post(
new Runnable() {
@Override
public void run() {
mctrl.setZoom(INIT_ZOOM_ONE_ITEM);
}
});
myLocationOverlay.snapFirstTime = true;
}
}
