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import java.util.ArrayList; |
import java.util.ArrayList; |
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import java.util.List; |
import java.util.List; |
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import android.app.AlertDialog; |
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import android.app.Dialog; |
import android.app.Dialog; |
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import android.app.ListActivity; |
import android.app.ListActivity; |
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import android.app.ProgressDialog; |
import android.app.ProgressDialog; |
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import android.content.DialogInterface; |
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import android.content.Intent; |
import android.content.Intent; |
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import android.content.SharedPreferences; |
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import android.content.SharedPreferences.Editor; |
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import android.location.Location; |
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import android.os.AsyncTask; |
import android.os.AsyncTask; |
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import android.os.Bundle; |
import android.os.Bundle; |
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import android.os.Handler; |
import android.os.Handler; |
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import android.os.Message; |
import android.os.Message; |
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import android.view.ContextMenu; |
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import android.view.LayoutInflater; |
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import android.view.Menu; |
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import android.view.MenuItem; |
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import android.view.View; |
import android.view.View; |
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import android.view.ContextMenu.ContextMenuInfo; |
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import android.view.View.OnCreateContextMenuListener; |
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import android.widget.AdapterView; |
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import android.widget.EditText; |
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import android.widget.ListView; |
import android.widget.ListView; |
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import android.widget.Toast; |
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import dk.thoerup.traininfo.provider.ProviderFactory; |
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import dk.thoerup.traininfo.provider.StationProvider; |
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import dk.thoerup.traininfo.stationmap.GeoPair; |
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import dk.thoerup.traininfo.stationmap.StationMapView; |
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import dk.thoerup.traininfo.util.IntSet; |
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import dk.thoerup.traininfo.util.MessageBox; |
import dk.thoerup.traininfo.util.MessageBox; |
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public class TrainInfoList extends ListActivity { |
public class StationList extends ListActivity { |
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public static final int GOTLOCATION = 1; |
public static final int GOTLOCATION = 1001; |
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public static final int GOTSTATIONLIST = 2; |
public static final int GOTSTATIONLIST = 1002; |
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public static final int NOPROVIDER = 3; |
public static final int NOPROVIDER = 1003; |
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public static final int FIXTIMEOUT = 4; |
public static final int LOCATIONFIXTIMEOUT = 1004; |
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public static final int LOOKUPSTATIONFAILED = 5; |
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public static final int OPTIONS_MAP = 2003; |
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public static final int OPTIONS_GPSINFO = 2004; |
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public static final int DLG_PROGRESS = 3001; |
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public static final int DLG_STATIONNAME = 3002; |
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static enum LookupMethod { |
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ByLocation, |
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ByName, |
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ByList, |
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MethodNone |
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} |
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public static final int DLG_PROGRESS = 1; |
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/** Called when the activity is first created. */ |
String dialogMessage = ""; |
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ProgressDialog dialog; |
ProgressDialog dialog; |
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StationLocator locator = null; |
LocationLookup locationLookup = null; |
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LocatorTask locatorTask = new LocatorTask(); |
FindStationsTask findStationsTask; |
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StationsFetchedHandler stationsFetched = new StationsFetchedHandler(); |
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GeoPair location = new GeoPair(); |
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boolean isRunning = false; |
boolean isRunning = false; |
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List<StationBean> stations = new ArrayList<StationBean>(); |
List<StationBean> stations = new ArrayList<StationBean>(); |
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StationProvider stationProvider = ProviderFactory.getStationProvider(); |
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StationListAdapter adapter = null; |
StationListAdapter adapter = null; |
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FavoritesMenu contextMenu = new FavoritesMenu(); |
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IntSet favorites = new IntSet(); |
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WelcomeScreen.ListType listType; |
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SharedPreferences prefs; |
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/////////////////////////////////////////////////////////////////////////////////////////// |
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//Activity call backs |
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@SuppressWarnings("unchecked") |
@SuppressWarnings("unchecked") |
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@Override |
@Override |
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public void onCreate(Bundle savedInstanceState) { |
public void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState); |
super.onCreate(savedInstanceState); |
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setContentView(R.layout.main); |
setContentView(R.layout.stationlist); |
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StationLocator.removeMockLocation(this); |
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//StationLocator.injectMockLocation(this); |
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adapter = new StationListAdapter(this); |
adapter = new StationListAdapter(this); |
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setListAdapter(adapter); |
setListAdapter(adapter); |
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locator = new StationLocator(this, stationsFetched); |
ListView lv = getListView(); |
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lv.setOnCreateContextMenuListener(contextMenu); |
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locationLookup = new LocationLookup(this, stationsFetched); |
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prefs = getSharedPreferences("TrainStation", 0); |
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String favoriteString = prefs.getString("favorites", ""); |
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if (! favoriteString.equals("") ) { |
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favorites.fromString(favoriteString); |
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} |
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listType = (WelcomeScreen.ListType) getIntent().getSerializableExtra("type"); |
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setTitle(); |
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if (savedInstanceState == null) { |
if (savedInstanceState == null) { |
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startLookup(); |
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switch (listType) { |
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case ListNearest: |
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startLookup(); |
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break; |
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case ListSearch: |
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this.showDialog(DLG_STATIONNAME); |
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break; |
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case ListFavorites: |
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startFavoriteLookup(); |
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break; |
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default: |
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// Not possible !?! |
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} |
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} else { |
} else { |
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stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations"); |
stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations"); |
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adapter.setStations(stations); |
adapter.setStations(stations); |
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location = (GeoPair) savedInstanceState.getSerializable("location"); |
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} |
} |
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} |
} |
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protected void setTitle() { |
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String dialogTitle = getResources().getString(R.string.app_name); |
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switch (listType) { |
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case ListNearest: |
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dialogTitle += " - Nearby stations"; |
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break; |
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case ListSearch: |
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dialogTitle += " - Search"; |
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break; |
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case ListFavorites: |
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dialogTitle += " - Favorites"; |
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break; |
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default: |
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dialogTitle = "";//not possible |
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} |
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setTitle(dialogTitle); |
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} |
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@Override |
@Override |
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public void onSaveInstanceState(Bundle outState) |
public void onSaveInstanceState(Bundle outState) |
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{ |
{ |
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if (dialog != null && dialog.isShowing()) |
if (dialog != null && dialog.isShowing()) |
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dialog.dismiss(); |
dialog.dismiss(); |
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outState.putSerializable("stations", (ArrayList<StationBean>) stations); |
outState.putSerializable("stations", (ArrayList<StationBean>) stations); |
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outState.putSerializable("location", location); |
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} |
} |
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@Override |
@Override |
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public boolean onCreateOptionsMenu(Menu menu) { |
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MenuItem item; |
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item = menu.add(0, OPTIONS_MAP, 0, "Station map"); |
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item.setIcon(android.R.drawable.ic_menu_mapmode); |
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item = menu.add(0, OPTIONS_GPSINFO, 0, "GPS Info"); |
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item.setIcon(android.R.drawable.ic_menu_mapmode); |
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return true; |
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} |
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@Override |
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public boolean onOptionsItemSelected(MenuItem item) { |
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boolean retval = true; |
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//TODO: Cleanup |
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switch (item.getItemId()) { |
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case OPTIONS_MAP: |
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Intent intent = new Intent(this,StationMapView.class); |
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ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>(); |
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for (StationBean st : stations ) { |
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stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) ); |
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} |
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intent.putExtra("stations", stationPoints); |
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startActivity(intent); |
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break; |
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case OPTIONS_GPSINFO: |
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Location loc = locationLookup.getLocation(); |
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StringBuffer message = new StringBuffer(); |
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message.append("Location info:\n"); |
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if (loc != null) { |
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message.append("-Obtained by: ").append( loc.getProvider() ).append("\n"); |
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message.append("-Accuracy: ").append( (int)loc.getAccuracy()).append("m\n"); |
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message.append("-Latitude: ").append( loc.getLatitude()).append("\n"); |
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message.append("-Longitude: ").append( loc.getLongitude() ).append("\n"); |
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} else { |
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message.append(" - No location data!"); |
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} |
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MessageBox.showMessage(this, message.toString()); |
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break; |
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default: |
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retval = super.onOptionsItemSelected(item); |
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} |
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return retval; |
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} |
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@Override |
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public boolean onContextItemSelected(MenuItem item) { |
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contextMenu.onContextItemSelected(item); |
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return true; |
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} |
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@Override |
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protected Dialog onCreateDialog(int id) { |
protected Dialog onCreateDialog(int id) { |
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switch (id) { |
switch (id) { |
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case DLG_PROGRESS: |
case DLG_PROGRESS: |
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ProgressDialog dlg = new ProgressDialog(this); |
ProgressDialog dlg = new ProgressDialog(this); |
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dlg.setMessage("Wait for location fix"); |
dlg.setMessage("Wait for location fix"); |
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dlg.setCancelable(false); |
dlg.setCancelable(false); |
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return dlg; |
return dlg; |
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case DLG_STATIONNAME: |
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LayoutInflater factory = LayoutInflater.from(this); |
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final View rootView = factory.inflate(R.layout.textinput, null); |
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AlertDialog.Builder builder = new AlertDialog.Builder(this); |
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builder.setTitle("Station search"); |
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builder.setView(rootView); |
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builder.setCancelable(true); |
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builder.setPositiveButton("Search", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int which) { |
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EditText et = (EditText) rootView.findViewById(R.id.EditText); |
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dialog.dismiss(); |
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if (et.getText().toString().length() >= 2) { |
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startNameSearch(et.getText().toString()); |
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} else { |
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MessageBox.showMessage(StationList.this, "Two characters minimum" ); |
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} |
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} |
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}); |
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builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int which) { |
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dialog.dismiss(); |
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} |
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}); |
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return builder.create(); |
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default: |
default: |
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return super.onCreateDialog(id); |
return super.onCreateDialog(id); |
274 |
} |
} |
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} |
} |
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@Override |
@Override |
280 |
protected void onPrepareDialog(int id, Dialog dialog) { |
protected void onPrepareDialog(int id, Dialog dialog) { |
281 |
super.onPrepareDialog(id, dialog); |
super.onPrepareDialog(id, dialog); |
282 |
switch (id) { |
switch (id) { |
283 |
case DLG_PROGRESS: |
case DLG_PROGRESS: |
284 |
this.dialog = (ProgressDialog) dialog; |
this.dialog = (ProgressDialog) dialog; |
285 |
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if (!dialogMessage.equals("")) { |
286 |
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this.dialog.setMessage(dialogMessage); |
287 |
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dialogMessage = ""; |
288 |
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} |
289 |
break; |
break; |
290 |
} |
} |
291 |
} |
} |
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293 |
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@Override |
294 |
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protected void onListItemClick(ListView l, View v, int position, long id) { |
295 |
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super.onListItemClick(l, v, position, id); |
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297 |
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StationBean station = stations.get(position); |
298 |
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double latitude = station.getLatitude(); |
300 |
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double longitude = station.getLongitude(); |
301 |
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Intent intent = new Intent(this, DepartureList.class); |
305 |
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intent.putExtra("name", station.getName()); |
306 |
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intent.putExtra("distance", station.getDistance()); |
307 |
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intent.putExtra("latitude", latitude); |
308 |
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intent.putExtra("longitude", longitude); |
309 |
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intent.putExtra("stationid", station.getId()); |
310 |
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intent.putExtra("address", station.getAddress()); |
311 |
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intent.putExtra("isregional", station.isRegional()); |
312 |
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intent.putExtra("isstrain", station.isSTrain()); |
313 |
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intent.putExtra("ismetro", station.isMetro()); |
314 |
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startActivity(intent); |
315 |
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} |
316 |
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///////////////////////////////////////////////////////////// |
318 |
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// |
319 |
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320 |
public void startLookup() { |
public void startLookup() { |
321 |
isRunning = true; |
isRunning = true; |
322 |
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dialogMessage = "Wait for location fix"; |
323 |
showDialog(DLG_PROGRESS); |
showDialog(DLG_PROGRESS); |
324 |
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325 |
locator.locateStations(); |
locationLookup.locateStations(); |
326 |
stationsFetched.sendEmptyMessageDelayed(FIXTIMEOUT, 20000); |
stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, 20000); |
327 |
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} |
328 |
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329 |
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void startNameSearch(String name) { |
330 |
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dialogMessage = "Finding stations by name"; |
331 |
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showDialog(DLG_PROGRESS); |
332 |
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findStationsTask = new FindStationsTask(); |
334 |
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findStationsTask.searchByName(name, locationLookup.getLocation()); |
335 |
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findStationsTask.execute(); |
336 |
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337 |
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} |
338 |
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339 |
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public void startFavoriteLookup() { |
340 |
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341 |
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if (favorites.size() > 0) { |
342 |
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dialogMessage = "Loading favorites"; |
343 |
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showDialog(DLG_PROGRESS); |
344 |
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345 |
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findStationsTask = new FindStationsTask(); |
346 |
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findStationsTask.searchByIds(favorites.toString(), locationLookup.getLocation()); |
347 |
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findStationsTask.execute(); |
348 |
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} else { |
349 |
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MessageBox.showMessage(this, "Favorite list is empty"); |
350 |
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} |
351 |
} |
} |
352 |
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354 |
Handler stationsFetched = new Handler() { |
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355 |
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void startLocatorTask() |
356 |
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{ |
357 |
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dialogMessage = "Finding nearby stations"; |
358 |
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showDialog(DLG_PROGRESS); |
359 |
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360 |
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findStationsTask = new FindStationsTask(); |
361 |
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findStationsTask.searchByLocation( locationLookup.getLocation() ); |
362 |
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findStationsTask.execute(); |
363 |
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} |
364 |
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366 |
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/* TODO: Remove this no longer needed function |
367 |
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String lookupAddress(double latitude, double longitude) { |
368 |
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369 |
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Geocoder coder = new Geocoder(this, new Locale("da")); |
370 |
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StringBuilder sb = new StringBuilder(); |
371 |
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Log.i("lookupaddr", "" + latitude + "/" + longitude); |
372 |
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try { |
373 |
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List<Address> addressList = coder.getFromLocation(latitude, longitude, 1); |
374 |
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Address addr = addressList.get(0); |
375 |
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376 |
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377 |
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int max = addr.getMaxAddressLineIndex(); |
378 |
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for (int i=0; i<max; i++) { |
379 |
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if (i>0) |
380 |
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sb.append(", "); |
381 |
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382 |
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sb.append(addr.getAddressLine(i)); |
383 |
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} |
384 |
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385 |
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386 |
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} catch (Exception e) { |
387 |
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Log.e("DepartureList", "geocoder failed", e); |
388 |
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} |
389 |
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390 |
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return sb.toString(); |
391 |
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}*/ |
392 |
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394 |
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//////////////////////////////////////////////////////////////////////////// |
395 |
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// Inner classes |
396 |
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397 |
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class StationsFetchedHandler extends Handler { |
398 |
@Override |
@Override |
399 |
public void handleMessage(Message msg) { |
public void handleMessage(Message msg) { |
400 |
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401 |
switch (msg.what) { |
switch (msg.what) { |
402 |
case GOTLOCATION: |
case GOTLOCATION: |
403 |
dialog.setMessage("Finding nearby stations"); |
dismissDialog(DLG_PROGRESS); |
404 |
locatorTask.execute(); |
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405 |
break; |
startLocatorTask(); |
406 |
case GOTSTATIONLIST: |
location = GeoPair.fromLocation( locationLookup.getLocation() ); |
407 |
dialog.dismiss(); |
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if (locator.getStations().size() == 0) |
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MessageBox.showMessage(TrainInfoList.this,"Error loading station list!"); |
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stations = locator.getStations(); |
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adapter.setStations( stations ); |
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408 |
break; |
break; |
409 |
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410 |
case NOPROVIDER: |
case NOPROVIDER: |
411 |
dialog.dismiss(); |
dismissDialog(DLG_PROGRESS); |
412 |
MessageBox.showMessage(TrainInfoList.this,"No location provider enabled. Plase enable gps."); |
MessageBox.showMessage(StationList.this,"No location provider enabled. Plase enable gps."); |
413 |
break; |
break; |
414 |
case FIXTIMEOUT: |
case LOCATIONFIXTIMEOUT: |
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dialog.dismiss(); |
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415 |
if (isRunning) { |
if (isRunning) { |
416 |
locator.abortLocationListener(); |
locationLookup.stopSearch(); |
417 |
if (locator.hasLocation()) { |
if (locationLookup.hasLocation()) { |
418 |
msg.what = GOTLOCATION; |
stationsFetched.sendEmptyMessage( GOTLOCATION ); |
419 |
handleMessage( msg ); // ToDo: ugly recursive call !!! |
} else { |
420 |
} else { |
dismissDialog(DLG_PROGRESS); |
421 |
MessageBox.showMessage(TrainInfoList.this,"GPS fix timed out"); |
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422 |
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AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); |
423 |
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builder.setMessage("Location fix timed out"); |
424 |
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builder.setCancelable(true); |
425 |
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builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() { |
426 |
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public void onClick(DialogInterface dialog, int id) { |
427 |
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dialog.dismiss(); |
428 |
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startLookup(); |
429 |
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430 |
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} |
431 |
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}); |
432 |
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builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { |
433 |
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public void onClick(DialogInterface dialog, int id) { |
434 |
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dialog.dismiss(); |
435 |
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} |
436 |
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}); |
437 |
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builder.show(); |
438 |
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|
439 |
} |
} |
440 |
} |
} |
441 |
break; |
break; |
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case LOOKUPSTATIONFAILED: |
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dialog.dismiss(); |
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MessageBox.showMessage(TrainInfoList.this,"Error on finding nearby stations"); |
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break; |
|
442 |
} |
} |
443 |
isRunning = false; |
isRunning = false; |
444 |
} |
} |
445 |
}; |
}; |
446 |
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447 |
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448 |
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class FindStationsTask extends AsyncTask<Void,Void,Void> { |
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@Override |
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protected void onListItemClick(ListView l, View v, int position, long id) { |
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super.onListItemClick(l, v, position, id); |
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449 |
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450 |
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LookupMethod method = LookupMethod.MethodNone; |
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boolean success; |
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String name; |
453 |
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Location loc; |
454 |
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String ids; |
455 |
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456 |
StationBean station = stations.get(position); |
public void searchByName(String n, Location l) { |
457 |
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458 |
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method = LookupMethod.ByName; |
459 |
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loc = l; |
460 |
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name = n; |
461 |
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} |
462 |
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463 |
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public void searchByLocation(Location l) { |
464 |
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method = LookupMethod.ByLocation; |
465 |
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loc = l; |
466 |
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} |
467 |
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468 |
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public void searchByIds(String id, Location l) { |
469 |
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470 |
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method = LookupMethod.ByList; |
471 |
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loc = l; |
472 |
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ids = id; |
473 |
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} |
474 |
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Intent intent = new Intent(this, DepartureList.class); |
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intent.putExtra("name", station.getName()); |
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intent.putExtra("address", station.getAddress()); |
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intent.putExtra("distance", station.getDistance()); |
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intent.putExtra("latitude", station.getLatitude()); |
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intent.putExtra("longitude", station.getLongitude()); |
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startActivity(intent); |
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} |
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class LocatorTask extends AsyncTask<Void,Void,Void> { |
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475 |
@Override |
@Override |
476 |
protected void onPreExecute() { |
protected void onPreExecute() { |
477 |
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478 |
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if (method.equals(LookupMethod.MethodNone)) |
479 |
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throw new RuntimeException("Method not set"); |
480 |
super.onPreExecute(); |
super.onPreExecute(); |
481 |
} |
} |
482 |
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483 |
@Override |
@Override |
484 |
protected Void doInBackground(Void... params) { |
protected Void doInBackground(Void... params) { |
485 |
locator.findNearestStations(); |
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486 |
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switch (method) { |
487 |
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case ByLocation: |
488 |
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success = stationProvider.lookupStations(loc); |
489 |
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break; |
490 |
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case ByName: |
491 |
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success = stationProvider.lookupStationsByName(name); |
492 |
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break; |
493 |
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case ByList: |
494 |
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success = stationProvider.lookupStationsByIds(ids); |
495 |
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break; |
496 |
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default: |
497 |
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success = false; // not possible |
498 |
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} |
499 |
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500 |
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501 |
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Location dummy = new Location("gps"); |
502 |
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List<StationBean> stations = stationProvider.getStations(); |
503 |
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504 |
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for (StationBean station : stations) { |
505 |
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506 |
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if (method.equals(LookupMethod.ByName) || method.equals(LookupMethod.ByList)) { |
507 |
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if (loc != null) { //only do the distance calc if we have a location |
508 |
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dummy.setLatitude(station.getLatitude()); |
509 |
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dummy.setLongitude(station.getLongitude()); |
510 |
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station.setDistance( (int)loc.distanceTo(dummy) ); |
511 |
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} else { |
512 |
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station.setDistance(0); |
513 |
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} |
514 |
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} |
515 |
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516 |
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} |
517 |
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518 |
return null; |
return null; |
519 |
} |
} |
521 |
@Override |
@Override |
522 |
protected void onPostExecute(Void result) { |
protected void onPostExecute(Void result) { |
523 |
super.onPostExecute(result); |
super.onPostExecute(result); |
524 |
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dialog.dismiss(); |
525 |
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526 |
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527 |
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if (success) { |
528 |
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if (stationProvider.getStations().size() == 0) |
529 |
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MessageBox.showMessage(StationList.this, "No stations found!"); // this should not be possible !?! |
530 |
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stations = stationProvider.getStations(); |
531 |
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adapter.setStations( stations ); |
532 |
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533 |
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} else { //communication or parse errors |
534 |
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AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); |
535 |
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builder.setMessage("Error on finding nearby stations"); |
536 |
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builder.setCancelable(true); |
537 |
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builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() { |
538 |
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public void onClick(DialogInterface dialog, int id) { |
539 |
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dialog.dismiss(); |
540 |
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541 |
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stationsFetched.post( new Runnable() { |
542 |
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@Override |
543 |
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public void run() { |
544 |
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startLocatorTask(); |
545 |
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} |
546 |
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}); |
547 |
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} |
548 |
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}); |
549 |
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builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { |
550 |
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public void onClick(DialogInterface dialog, int id) { |
551 |
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dialog.dismiss(); |
552 |
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} |
553 |
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}); |
554 |
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builder.show(); |
555 |
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} |
556 |
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} |
557 |
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} |
558 |
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559 |
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560 |
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class FavoritesMenu implements OnCreateContextMenuListener { |
561 |
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private final static int FAVORITES_ADD = 9001; |
562 |
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private final static int FAVORITES_REMOVE = 9002; |
563 |
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564 |
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private int selectedPosition; |
565 |
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566 |
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567 |
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@Override |
568 |
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public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { |
569 |
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570 |
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AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo; |
571 |
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selectedPosition = info.position; |
572 |
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int stationID = stations.get(selectedPosition).getId(); |
573 |
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574 |
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if (!favorites.contains(stationID)) { |
575 |
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menu.add(0, FAVORITES_ADD, 0, "Add to favorites"); |
576 |
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} else { |
577 |
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menu.add(0, FAVORITES_REMOVE, 0, "Remove from favorites"); |
578 |
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} |
579 |
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580 |
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} |
581 |
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582 |
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public void onContextItemSelected(MenuItem item) { |
583 |
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StationBean sb = stations.get(selectedPosition); |
584 |
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585 |
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int stationID = sb.getId(); |
586 |
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if (item.getItemId() == FAVORITES_ADD) { |
587 |
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favorites.add(stationID); |
588 |
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Toast.makeText(StationList.this, "Station added", Toast.LENGTH_SHORT).show(); |
589 |
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} else { |
590 |
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591 |
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favorites.remove(stationID); |
592 |
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Toast.makeText(StationList.this, "Station removed", Toast.LENGTH_SHORT).show(); |
593 |
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594 |
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595 |
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if (listType.equals( WelcomeScreen.ListType.ListFavorites) ) { |
596 |
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stations.remove(selectedPosition); |
597 |
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adapter.notifyDataSetChanged(); |
598 |
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} |
599 |
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} |
600 |
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Editor ed = prefs.edit(); |
601 |
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ed.putString("favorites", favorites.toString()); |
602 |
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ed.commit(); |
603 |
} |
} |
604 |
} |
} |
605 |
} |
} |