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package dk.thoerup.traininfo; |
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|
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import java.util.ArrayList; |
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import java.util.List; |
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|
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|
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import android.app.Activity; |
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import android.app.AlertDialog; |
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import android.app.Dialog; |
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import android.app.ListActivity; |
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import android.app.ProgressDialog; |
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import android.content.DialogInterface; |
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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; |
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import android.os.Bundle; |
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import android.os.Handler; |
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import android.os.Message; |
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|
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import android.util.Log; |
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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; |
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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; |
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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; |
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|
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import static dk.thoerup.traininfo.R.string.*; |
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|
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public class StationList extends ListActivity { |
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public static final int GOTLOCATION = 1001; |
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public static final int GOTSTATIONLIST = 1002; |
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public static final int NOPROVIDER = 1003; |
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public static final int LOCATIONFIXTIMEOUT = 1004; |
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|
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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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|
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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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|
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|
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public static final int GPS_TIMEOUT_MS = 17500; //how long are we willing to wait for gps fix -in milliseconds |
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|
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|
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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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|
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|
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String dialogMessage = ""; |
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ProgressDialog dialog; |
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LocationLookup locationLookup = null; |
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FindStationsTask findStationsTask; |
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StationsFetchedHandler stationsFetched = new StationsFetchedHandler(); |
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|
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GeoPair location = new GeoPair(); |
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|
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boolean isLaunchedforShortcut; |
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boolean isRunning = false; |
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List<StationBean> stations = new ArrayList<StationBean>(); |
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|
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StationProvider stationProvider = ProviderFactory.getStationProvider(); |
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|
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StationListAdapter adapter = null; |
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|
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FavoritesMenu contextMenu = new FavoritesMenu(); |
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IntSet favorites = new IntSet(); |
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|
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WelcomeScreen.ListType listType; |
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SharedPreferences prefs; |
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|
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/////////////////////////////////////////////////////////////////////////////////////////// |
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//Activity call backs |
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|
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@SuppressWarnings("unchecked") |
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@Override |
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public void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState); |
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setContentView(R.layout.stationlist); |
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|
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|
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adapter = new StationListAdapter(this); |
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setListAdapter(adapter); |
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|
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ListView lv = getListView(); |
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lv.setOnCreateContextMenuListener(contextMenu); |
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|
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locationLookup = new LocationLookup(this, stationsFetched); |
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|
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|
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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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|
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listType = (WelcomeScreen.ListType) getIntent().getSerializableExtra("type"); |
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setTitle(); |
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|
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isLaunchedforShortcut = getIntent().getBooleanExtra("shortcut", false); |
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|
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if (savedInstanceState == null) { |
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|
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|
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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.showDialogSafe(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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|
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} else { |
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stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations"); |
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adapter.setStations(stations); |
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location = (GeoPair) savedInstanceState.getSerializable("location"); |
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} |
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|
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} |
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|
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|
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@Override |
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protected void onDestroy() { |
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super.onDestroy(); |
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|
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if (findStationsTask != null) { |
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findStationsTask.cancel(true); |
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} |
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if (locationLookup != null) { |
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locationLookup.stopSearch(); |
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} |
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isRunning = false; |
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} |
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|
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|
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protected void setTitle() { |
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String dialogTitle = getResources().getString(app_name); |
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switch (listType) { |
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case ListNearest: |
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dialogTitle += " - " + getString(stationlist_nearbystations); |
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break; |
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case ListSearch: |
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dialogTitle += " - " + getString(stationlist_search); |
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break; |
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case ListFavorites: |
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dialogTitle += " - " + getString(stationlist_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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|
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setTitle(dialogTitle); |
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|
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} |
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|
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|
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/* these 3 dialogs helper functions are very rude and ugly hack |
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* to remove these auto-reported exceptions |
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* - android.view.WindowManager$BadTokenException: Unable to add window -- token android.os.BinderProxy@436aaef8 is not valid; is your activity running? |
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* - java.lang.IllegalArgumentException: View not attached to window manager |
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*/ |
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|
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public void showDialogSafe(int id) { |
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try { |
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showDialog(id); |
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} catch (Exception e) { |
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Log.e("StationList", "showDialog failed", e); |
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} |
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} |
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|
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public void dismissDialogSafe(int id) { |
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try { |
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dismissDialog(id); |
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} catch (Exception e) { |
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Log.e("StationList", "dismissDialog failed", e); |
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} |
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} |
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public void dismissDialogSafe(Dialog dlg) { |
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try { |
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dlg.dismiss(); |
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} catch (Exception e) { |
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Log.e("StationList", "dismissDialog failed", e); |
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} |
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} |
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|
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public void builderShowSafe(AlertDialog.Builder builder) { |
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try { |
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builder.show(); |
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} catch (Exception e) { |
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Log.e("StationList", "builder.show() failed", e); |
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} |
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|
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} |
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/* EOF rude and ugly dialog hack */ |
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|
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|
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|
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@Override |
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public void onSaveInstanceState(Bundle outState) |
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{ |
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if (dialog != null && dialog.isShowing()) |
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dialog.dismiss(); |
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outState.putSerializable("stations", (ArrayList<StationBean>) stations); |
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outState.putSerializable("location", location); |
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|
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} |
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|
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|
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|
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@Override |
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public boolean onCreateOptionsMenu(Menu menu) { |
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MenuItem item; |
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|
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item = menu.add(0, OPTIONS_MAP, 0, getString(stationlist_stationmap)); |
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item.setIcon(android.R.drawable.ic_menu_mapmode); |
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|
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item = menu.add(0, OPTIONS_GPSINFO, 0, getString(stationlist_gpsinfo)); |
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item.setIcon(android.R.drawable.ic_menu_mapmode); |
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|
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return true; |
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} |
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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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|
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//TODO: Cleanup |
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switch (item.getItemId()) { |
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case OPTIONS_MAP: |
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|
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Intent intent = new Intent(this,StationMapView.class); |
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|
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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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|
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intent.putExtra("stations", stationPoints); |
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|
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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( getString(stationlist_locationinfo) ).append(":\n"); |
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if (loc != null) { |
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message.append( getString(stationlist_obtainedby) ).append( loc.getProvider() ).append("\n"); |
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message.append( getString(stationlist_accuracy) ).append( (int)loc.getAccuracy()).append("m\n"); |
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message.append( getString(stationlist_latitude) ).append( (float)loc.getLatitude()).append("\n"); |
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message.append( getString(stationlist_longitude) ).append( (float)loc.getLongitude() ).append("\n"); |
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} else { |
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message.append( getString(stationlist_nolocation) ); |
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} |
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|
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MessageBox.showMessage(this, message.toString(), false); |
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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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|
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return retval; |
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} |
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|
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|
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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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|
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} |
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|
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public void showMessageAndClose(String message) { |
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AlertDialog.Builder builder = new AlertDialog.Builder(this); |
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builder.setMessage(message) |
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.setCancelable(false) |
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.setPositiveButton("OK", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int id) { |
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dialog.dismiss(); |
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StationList.this.finish(); |
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} |
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}) |
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.show(); |
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} |
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|
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|
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|
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|
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@Override |
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protected Dialog onCreateDialog(int id) { |
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switch (id) { |
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case DLG_PROGRESS: |
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ProgressDialog dlg = new ProgressDialog(this); |
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dlg.setMessage( getString(stationlist_waitforlocation) ); |
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dlg.setCancelable(false); |
320 |
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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|
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|
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AlertDialog.Builder builder = new AlertDialog.Builder(this); |
327 |
|
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builder.setTitle( getString(stationlist_stationsearch) ); |
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builder.setView(rootView); |
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builder.setCancelable(true); |
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builder.setPositiveButton( getString(generic_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); |
334 |
dialog.dismiss(); |
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String search = et.getText().toString().trim(); |
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if (search.length() >= 2) { |
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startNameSearch(search); |
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} else { |
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showMessageAndClose( getString(stationlist_twocharmin) ); |
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} |
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} |
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}); |
343 |
builder.setNegativeButton(getString(generic_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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StationList.this.finish(); // Close this Activity |
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} |
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}); |
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return builder.create(); |
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|
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default: |
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return super.onCreateDialog(id); |
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} |
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|
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} |
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|
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|
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@Override |
359 |
protected void onPrepareDialog(int id, Dialog dialog) { |
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super.onPrepareDialog(id, dialog); |
361 |
switch (id) { |
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case DLG_PROGRESS: |
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this.dialog = (ProgressDialog) dialog; |
364 |
if (!dialogMessage.equals("")) { |
365 |
this.dialog.setMessage(dialogMessage); |
366 |
dialogMessage = ""; |
367 |
} |
368 |
break; |
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} |
370 |
} |
371 |
|
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@Override |
373 |
protected void onListItemClick(ListView l, View v, int position, long id) { |
374 |
super.onListItemClick(l, v, position, id); |
375 |
|
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StationBean station = stations.get(position); |
377 |
|
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if (isLaunchedforShortcut == true) { |
379 |
Intent i = new Intent(); |
380 |
i.putExtra("station", station); |
381 |
setResult(Activity.RESULT_OK, i); |
382 |
finish(); |
383 |
} else { |
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Intent intent = new Intent(this, DepartureList.class); |
385 |
intent.putExtra("stationbean", station); |
386 |
startActivity(intent); |
387 |
} |
388 |
} |
389 |
|
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///////////////////////////////////////////////////////////// |
391 |
// |
392 |
|
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public void startLookup() { |
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isRunning = true; |
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dialogMessage = getString( stationlist_waitforlocation ); |
396 |
showDialogSafe(DLG_PROGRESS); |
397 |
|
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locationLookup.locateStations(); |
399 |
stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, GPS_TIMEOUT_MS); |
400 |
} |
401 |
|
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void startNameSearch(String name) { |
403 |
dialogMessage = getString( stationlist_findbyname ); |
404 |
showDialogSafe(DLG_PROGRESS); |
405 |
|
406 |
findStationsTask = new FindStationsTask(); |
407 |
findStationsTask.searchByName(name); |
408 |
findStationsTask.execute(); |
409 |
|
410 |
} |
411 |
|
412 |
public void startFavoriteLookup() { |
413 |
|
414 |
if (favorites.size() > 0) { |
415 |
dialogMessage = getString( stationlist_loadfavorites ); |
416 |
showDialogSafe(DLG_PROGRESS); |
417 |
|
418 |
findStationsTask = new FindStationsTask(); |
419 |
findStationsTask.searchByIds( favorites.toString() ); |
420 |
findStationsTask.execute(); |
421 |
} else { |
422 |
showMessageAndClose( getString( stationlist_nofavorites ) ); |
423 |
} |
424 |
} |
425 |
|
426 |
|
427 |
|
428 |
void startLocatorTask() |
429 |
{ |
430 |
dialogMessage = getString( stationlist_findingnearby ); |
431 |
showDialogSafe(DLG_PROGRESS); |
432 |
|
433 |
findStationsTask = new FindStationsTask(); |
434 |
findStationsTask.searchByLocation( locationLookup.getLocation() ); |
435 |
findStationsTask.execute(); |
436 |
} |
437 |
|
438 |
|
439 |
//////////////////////////////////////////////////////////////////////////// |
440 |
// Inner classes |
441 |
|
442 |
class StationsFetchedHandler extends Handler { |
443 |
@Override |
444 |
public void handleMessage(Message msg) { |
445 |
|
446 |
switch (msg.what) { |
447 |
case GOTLOCATION: |
448 |
dismissDialogSafe(DLG_PROGRESS); |
449 |
|
450 |
startLocatorTask(); |
451 |
location = GeoPair.fromLocation( locationLookup.getLocation() ); |
452 |
|
453 |
break; |
454 |
|
455 |
case NOPROVIDER: |
456 |
dismissDialogSafe(DLG_PROGRESS); |
457 |
MessageBox.showMessage(StationList.this, getString(stationlist_nolocationprovider), true ); |
458 |
//StationList.this.finish(); |
459 |
break; |
460 |
case LOCATIONFIXTIMEOUT: |
461 |
if (isRunning) { |
462 |
locationLookup.stopSearch(); |
463 |
if (locationLookup.hasLocation()) { |
464 |
stationsFetched.sendEmptyMessage( GOTLOCATION ); |
465 |
} else { |
466 |
dismissDialogSafe(DLG_PROGRESS); |
467 |
|
468 |
AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); |
469 |
builder.setMessage( getString( stationlist_gpstimeout) ); |
470 |
builder.setCancelable(true); |
471 |
builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() { |
472 |
public void onClick(DialogInterface dialog, int id) { |
473 |
dialog.dismiss(); |
474 |
startLookup(); |
475 |
|
476 |
} |
477 |
}); |
478 |
builder.setNegativeButton( getString(generic_cancel), new DialogInterface.OnClickListener() { |
479 |
public void onClick(DialogInterface dialog, int id) { |
480 |
dialog.dismiss(); |
481 |
} |
482 |
}); |
483 |
builderShowSafe(builder); // builder.show() |
484 |
|
485 |
} |
486 |
} |
487 |
break; |
488 |
} |
489 |
isRunning = false; |
490 |
} |
491 |
}; |
492 |
|
493 |
|
494 |
class FindStationsTask extends AsyncTask<Void,Void,Void> { |
495 |
|
496 |
LookupMethod method = LookupMethod.MethodNone; |
497 |
boolean success; |
498 |
String name; |
499 |
Location loc; |
500 |
String ids; |
501 |
|
502 |
public void searchByName(String n) { |
503 |
|
504 |
method = LookupMethod.ByName; |
505 |
name = n; |
506 |
} |
507 |
|
508 |
public void searchByLocation(Location l) { |
509 |
method = LookupMethod.ByLocation; |
510 |
loc = l; |
511 |
} |
512 |
|
513 |
public void searchByIds(String id) { |
514 |
|
515 |
method = LookupMethod.ByList; |
516 |
ids = id; |
517 |
} |
518 |
|
519 |
@Override |
520 |
protected void onPreExecute() { |
521 |
|
522 |
if (method.equals(LookupMethod.MethodNone)) |
523 |
throw new RuntimeException("Method not set"); |
524 |
super.onPreExecute(); |
525 |
} |
526 |
|
527 |
@Override |
528 |
protected Void doInBackground(Void... params) { |
529 |
|
530 |
switch (method) { |
531 |
case ByLocation: |
532 |
success = stationProvider.lookupStations(loc); |
533 |
break; |
534 |
case ByName: |
535 |
success = stationProvider.lookupStationsByName(name); |
536 |
break; |
537 |
case ByList: |
538 |
success = stationProvider.lookupStationsByIds(ids); |
539 |
break; |
540 |
default: |
541 |
success = false; // not possible |
542 |
} |
543 |
|
544 |
|
545 |
return null; |
546 |
} |
547 |
|
548 |
@Override |
549 |
protected void onPostExecute(Void result) { |
550 |
super.onPostExecute(result); |
551 |
dismissDialogSafe(dialog); |
552 |
|
553 |
|
554 |
if (success) { |
555 |
if (stationProvider.getStations().size() == 0) { |
556 |
showMessageAndClose(getString(stationlist_nostations)); |
557 |
} |
558 |
stations = stationProvider.getStations(); |
559 |
|
560 |
StationList.this.getListView().invalidateViews(); |
561 |
adapter.setStations( stations ); |
562 |
|
563 |
|
564 |
} else { //communication or parse errors |
565 |
AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); |
566 |
builder.setMessage(getString(stationlist_fetcherror)); |
567 |
builder.setCancelable(true); |
568 |
builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() { |
569 |
public void onClick(DialogInterface dialog, int id) { |
570 |
dialog.dismiss(); |
571 |
|
572 |
Runnable runner = null; |
573 |
switch (method) { |
574 |
case ByLocation: |
575 |
runner = new Runnable() { |
576 |
@Override |
577 |
public void run() { |
578 |
startLocatorTask(); |
579 |
} |
580 |
}; |
581 |
break; |
582 |
case ByName: |
583 |
runner = new Runnable() { |
584 |
@Override |
585 |
public void run() { |
586 |
startNameSearch( FindStationsTask.this.name ); |
587 |
} |
588 |
}; |
589 |
break; |
590 |
case ByList: |
591 |
runner = new Runnable() { |
592 |
@Override |
593 |
public void run() { |
594 |
startFavoriteLookup(); |
595 |
} |
596 |
}; |
597 |
break; |
598 |
} |
599 |
|
600 |
stationsFetched.post( runner ); |
601 |
} |
602 |
}); |
603 |
builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() { |
604 |
public void onClick(DialogInterface dialog, int id) { |
605 |
dialog.dismiss(); |
606 |
StationList.this.finish(); |
607 |
} |
608 |
}); |
609 |
|
610 |
builderShowSafe(builder); // builder.show() |
611 |
} |
612 |
} |
613 |
} |
614 |
|
615 |
|
616 |
class FavoritesMenu implements OnCreateContextMenuListener { |
617 |
private final static int FAVORITES_ADD = 9001; |
618 |
private final static int FAVORITES_REMOVE = 9002; |
619 |
|
620 |
private int selectedPosition; |
621 |
|
622 |
|
623 |
@Override |
624 |
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { |
625 |
|
626 |
AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo; |
627 |
selectedPosition = info.position; |
628 |
int stationID = stations.get(selectedPosition).getId(); |
629 |
|
630 |
if (!favorites.contains(stationID)) { |
631 |
menu.add(0, FAVORITES_ADD, 0, getString(stationlist_addfavorite) ); |
632 |
} else { |
633 |
menu.add(0, FAVORITES_REMOVE, 0, getString(stationlist_removefavorite) ); |
634 |
} |
635 |
|
636 |
} |
637 |
|
638 |
public void onContextItemSelected(MenuItem item) { |
639 |
StationBean sb = stations.get(selectedPosition); |
640 |
|
641 |
int stationID = sb.getId(); |
642 |
if (item.getItemId() == FAVORITES_ADD) { |
643 |
favorites.add(stationID); |
644 |
Toast.makeText(StationList.this, getString(stationlist_stationadded), Toast.LENGTH_SHORT).show(); |
645 |
} else { |
646 |
|
647 |
favorites.remove(stationID); |
648 |
Toast.makeText(StationList.this, getString(stationlist_stationremoved), Toast.LENGTH_SHORT).show(); |
649 |
|
650 |
|
651 |
if (listType.equals( WelcomeScreen.ListType.ListFavorites) ) { |
652 |
stations.remove(selectedPosition); |
653 |
adapter.notifyDataSetChanged(); |
654 |
} |
655 |
} |
656 |
Editor ed = prefs.edit(); |
657 |
ed.putString("favorites", favorites.toString()); |
658 |
ed.commit(); |
659 |
} |
660 |
} |
661 |
} |