/**
* Returns a HashMap between station names and latitude-longitude coordinates.
*
* @return A HashMap<String, LatLng> station mapping
*/
public HashMap<String, LatLng> getStationLatLngMap() {
HashMap<String, LatLng> stationMap = new HashMap<>();
for (Station s : mBService.getStations()) {
Double sLat = Double.parseDouble(s.getLatitude());
Double sLng = Double.parseDouble(s.getLongitude());
stationMap.put(s.getName(), new LatLng(sLat, sLng));
}
return stationMap;
}
/**
* Returns a String containing trip fares to be displayed as the snippet for the map maker of the
* specified destination station.
*
* @param dest The name of the destination station.
* @return The String to display.
*/
public String generateSnippet(String dest) {
Station destStation = mBService.lookupStationByName(dest);
Station origStation;
if (originStation != null) {
origStation = originStation;
} else {
origStation = mBService.lookupStationByAbbreviation("DBRK");
}
DateFormat df = new SimpleDateFormat("hh:mma", Locale.US);
Date now = Calendar.getInstance(TimeZone.getDefault()).getTime();
Trip mTrip = mBService.generateTrip(origStation, destStation, df.format(now));
float fare = mTrip.getFare();
DecimalFormat decim = new DecimalFormat("0.00");
String fareOneWay = decim.format(fare);
String fareRoundTrip = decim.format(2 * fare);
String mSnippet = "$" + fareOneWay + " | $" + fareRoundTrip;
return mSnippet;
}
/** Generates station list with which to populate the "All Stations" tab's Spinner. */
public void createAllStationsHash() {
int len = stationLatLngMap.size();
allStationsList = new ArrayList<>(len);
for (Station s : mBService.getStations()) {
allStationsList.add(s.getName());
}
Collections.sort(allStationsList);
int count = 0;
for (String station : allStationsList) {
allStationsHash.put(count, station);
fullHash.put(station, count);
count++;
}
}
/**
* Sets the global Station object, originStation, to the station nearest to the specified
* latitude, longitude pair.
*
* @param latitude Latitude, as a double.
* @param longitude Longitude, as a double.
*/
public void setOrigin(double latitude, double longitude) {
Location userLoc = new Location("User");
userLoc.setLatitude(latitude);
userLoc.setLongitude(longitude);
Set<Map.Entry<String, LatLng>> entries = stationLatLngMap.entrySet();
Iterator<Map.Entry<String, LatLng>> iter = entries.iterator();
Double bestDist = Double.MAX_VALUE;
while (iter.hasNext()) {
Map.Entry<String, LatLng> entry = iter.next();
LatLng val = entry.getValue();
String stationName = entry.getKey();
Location stationLoc = new Location("Station");
stationLoc.setLatitude(val.latitude);
stationLoc.setLongitude(val.longitude);
Double currDist = (double) userLoc.distanceTo(stationLoc);
if (currDist < bestDist) {
bestDist = currDist;
originStation = mBService.lookupStationByName(entry.getKey());
}
}
}
////////////////////////////////////////////////////////////////////////////////
// OVERRIDDEN METHODS (GENERAL)
////////////////////////////////////////////////////////////////////////////////
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Setting menu bar properties
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);
Window window = this.getWindow();
window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
window.setStatusBarColor(Color.parseColor("#1e2a37"));
mApiClient =
new GoogleApiClient.Builder(this)
.addApi(Wearable.API)
.addApi(LocationServices.API)
.addConnectionCallbacks(
new GoogleApiClient.ConnectionCallbacks() {
@Override
public void onConnected(Bundle connectionHint) {
Location mLastLocation =
LocationServices.FusedLocationApi.getLastLocation(mApiClient);
if (mLastLocation != null) {
setOrigin(mLastLocation.getLatitude(), mLastLocation.getLongitude());
}
}
@Override
public void onConnectionSuspended(int cause) {}
})
.build();
mApiClient.connect();
// Query for navigation if toggle switch was checked.
// Else, notice that the navInstructions ArrayList remains null.
// As such, a null check on it can also be used to determine whether or not
// navigation has been requested.
// Capturing UI Views
final ListView listView = (ListView) findViewById(R.id.listView);
final FrameLayout mapFrame = (FrameLayout) findViewById(R.id.mapFrame);
final Button allStationsButton = (Button) findViewById(R.id.allStations);
final Button favoritesButton = (Button) findViewById(R.id.favoritesButton);
final Button mapButton = (Button) findViewById(R.id.mapButton);
final TextView underlineFavorites = (TextView) findViewById(R.id.underlineFavorites);
final TextView underlineAll = (TextView) findViewById(R.id.underlineAll);
final TextView underlineMap = (TextView) findViewById(R.id.underlineMap);
underlineAll.setBackgroundColor(Color.parseColor(blue));
underlineMap.setBackgroundColor(Color.parseColor(blue));
allStationsButton.setTextColor(Color.parseColor(grey));
mapButton.setTextColor(Color.parseColor(grey));
// Bart service initialization
mBService = new BartService();
stationList = mBService.getStations();
// Station Latitude-Longitude data structure
stationLatLngMap = getStationLatLngMap();
// UI data structures
createAllStationsHash();
createFavoritesHash();
listView.setAdapter(setFavoriteStations());
// Generate mapFragment for Map tab
MapFragment mapFragment = (MapFragment) getFragmentManager().findFragmentById(R.id.mapFrag);
mapFragment.getMapAsync(this);
// Generate UI Spinners and OnClickListeners
listView.setOnItemClickListener(
new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
String dest = "";
if (MainActivity.currList == "All") {
dest = allStationsHash.get(position);
} else {
dest = favoritesHash.get(position);
}
// Prepare destination/origin extras from data (ie. the selected station)
LatLng destLatLng = stationLatLngMap.get(dest);
Double destLat = destLatLng.latitude;
Double destLng = destLatLng.longitude;
Double origLat = Double.parseDouble(originStation.getLatitude());
Double origLng = Double.parseDouble(originStation.getLongitude());
// Create post-selection intent and put extras
Intent postSelection = new Intent();
postSelection.setClass(view.getContext(), postSelection.class);
postSelection.putExtra("destName", dest);
postSelection.putExtra("destLat", destLat);
postSelection.putExtra("destLng", destLng);
postSelection.putExtra("origLat", origLat);
postSelection.putExtra("origLng", origLng);
postSelection.putExtra("origStation", originStation.getAbbreviation());
startActivityForResult(postSelection, 1);
}
});
allStationsButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
currList = "All";
listView.setAdapter(setAllStations());
mapFrame.setVisibility(View.INVISIBLE);
underlineAll.setBackgroundColor(Color.parseColor(orange)); // orange
underlineMap.setBackgroundColor(Color.parseColor(blue)); // blue
underlineFavorites.setBackgroundColor(Color.parseColor(blue)); // blue
allStationsButton.setTextColor(Color.parseColor(orange)); // orange
favoritesButton.setTextColor(Color.parseColor(grey));
mapButton.setTextColor(Color.parseColor(grey));
}
});
favoritesButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
currList = "Favorites";
listView.setAdapter(setFavoriteStations());
mapFrame.setVisibility(View.INVISIBLE);
underlineFavorites.setBackgroundColor(Color.parseColor(orange));
underlineAll.setBackgroundColor(Color.parseColor(blue));
underlineMap.setBackgroundColor(Color.parseColor(blue));
favoritesButton.setTextColor(Color.parseColor(orange));
allStationsButton.setTextColor(Color.parseColor(grey));
mapButton.setTextColor(Color.parseColor(grey));
}
});
mapButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
listView.setAdapter(clearStations());
mapFrame.setVisibility(View.VISIBLE);
underlineMap.setBackgroundColor(Color.parseColor(orange));
underlineAll.setBackgroundColor(Color.parseColor(blue));
underlineFavorites.setBackgroundColor(Color.parseColor(blue));
mapButton.setTextColor(Color.parseColor(orange));
favoritesButton.setTextColor(Color.parseColor(grey));
allStationsButton.setTextColor(Color.parseColor(grey));
}
});
}
