thoerup/traininfo/StationList.java

package dk.thoerup.traininfo;

import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.location.Address;
import android.location.Geocoder;
import android.location.Location;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.EditText;
import android.widget.ListView;
import dk.thoerup.traininfo.provider.ProviderFactory;
import dk.thoerup.traininfo.provider.StationProvider;
import dk.thoerup.traininfo.stationmap.GeoPair;
import dk.thoerup.traininfo.stationmap.StationMapView;
import dk.thoerup.traininfo.util.MessageBox;

public class StationList extends ListActivity  {
        public static final int GOTLOCATION = 1001;
        public static final int GOTSTATIONLIST = 1002;
        public static final int NOPROVIDER = 1003;
        public static final int LOCATIONFIXTIMEOUT = 1004;
        
        public static final int OPTIONS_RESCAN = 2001;
        public static final int OPTIONS_NAMESEARCH = 2002;
        public static final int OPTIONS_MAP = 2003;
        public static final int OPTIONS_ABOUT = 2004;

        
        public static final int DLG_PROGRESS = 3001;
        public static final int DLG_STATIONNAME = 3002;
        
        /** Called when the activity is first created. */
        String dialogMessage = "";
        ProgressDialog dialog;
        LocationLookup locator = null;
        LocatorTask locatorTask;
        StationsFetchedHandler stationsFetched = new StationsFetchedHandler();
        
        GeoPair location = new GeoPair();
        
        boolean isRunning = false;
        List<StationBean> stations = new ArrayList<StationBean>();
        
        StationProvider stationProvider = ProviderFactory.getStationProvider();
                
        StationListAdapter adapter = null;
        
        static enum LookupMethod {
                ByLocation,
                ByName,
                MethodNone
        }
        
        ///////////////////////////////////////////////////////////////////////////////////////////
        //Activity call backs
        
        @SuppressWarnings("unchecked")
        @Override
        public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.main);
                
                
                adapter = new StationListAdapter(this);
                setListAdapter(adapter);
                
                locator = new LocationLookup(this, stationsFetched);
                if (savedInstanceState == null) {
                        startLookup();
                } else {
                        stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations");
                        adapter.setStations(stations);
                        location = (GeoPair) savedInstanceState.getSerializable("location");
                }
        }


    @Override 
    public void onSaveInstanceState(Bundle outState) 
    {
        if (dialog != null && dialog.isShowing())
                dialog.dismiss();
        outState.putSerializable("stations", (ArrayList<StationBean>) stations);
        outState.putSerializable("location", location);
    }
        
        
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
                menu.add(0, OPTIONS_RESCAN, 0, "Find nearest stations");
                menu.add(0, OPTIONS_NAMESEARCH, 0, "Search for station");
                menu.add(0, OPTIONS_MAP, 0, "Show station map");
                menu.add(0, OPTIONS_ABOUT, 0, "About");
                return true;
        }

        @Override
        public boolean onOptionsItemSelected(MenuItem item) {
                boolean retval = true;

                
                switch (item.getItemId()) {
                case OPTIONS_RESCAN:
                        startLookup();
                        break;
                case OPTIONS_NAMESEARCH:
                        showDialog(DLG_STATIONNAME);
                        break;
                case OPTIONS_MAP:
                        
                        Intent intent = new Intent(this,StationMapView.class);
                        intent.putExtra("userlocation", location );
                        
                        ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>();
                        for (StationBean st : stations ) {
                                stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) );
                        }
                        
                        intent.putExtra("stations", stationPoints);
                        
                        startActivity(intent);
                        break;
                case OPTIONS_ABOUT:
                        String ver = this.getResources().getString(R.string.app_version);
                        
                        StringBuffer message = new StringBuffer();
                        message.append("TrainInfo DK v").append(ver).append("\n");
                        message.append("By Torben Nielsen\n");

                        MessageBox.showMessage(this, message.toString());
                        break;
                default:
                        retval = super.onOptionsItemSelected(item);
                }
                
                return retval;
        }

        @Override
        protected Dialog onCreateDialog(int id) {
                switch (id) {
                case DLG_PROGRESS:
                        ProgressDialog dlg = new ProgressDialog(this);
                        dlg.setMessage("Wait for location fix");
                        dlg.setCancelable(false);
                        return dlg;                     
                case DLG_STATIONNAME:
                        LayoutInflater factory = LayoutInflater.from(this); 
                        final View rootView = factory.inflate(R.layout.textinput, null);
                        
                        
                        AlertDialog.Builder builder = new AlertDialog.Builder(this);
                        
                        builder.setTitle("Station search");
                        builder.setView(rootView);
                        builder.setCancelable(true);
                        builder.setPositiveButton("Search", new DialogInterface.OnClickListener() {
                                public void onClick(DialogInterface dialog, int which) {
                                        EditText et = (EditText) rootView.findViewById(R.id.EditText);
                                        dialog.dismiss();
                                        if (et.getText().toString().length() >= 2) {
                                                startNameSearch(et.getText().toString());
                                        } else {
                                                MessageBox.showMessage(StationList.this, "To characters, minimum" );
                                        }
                                }
                        });
                        builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                                public void onClick(DialogInterface dialog, int which) {
                                        dialog.dismiss();
                                }
                        });                     
                        return builder.create();
                        
                default:
                        return super.onCreateDialog(id);                
                }
                
        }
        
        
        @Override
        protected void onPrepareDialog(int id, Dialog dialog) {
                super.onPrepareDialog(id, dialog);
                switch (id) {
                case DLG_PROGRESS:
                        this.dialog = (ProgressDialog) dialog;
                        if (!dialogMessage.equals("")) {
                                this.dialog.setMessage(dialogMessage);
                                dialogMessage = "";
                        }
                        break;
                }
        }
        
        @Override
        protected void onListItemClick(ListView l, View v, int position, long id) {
                super.onListItemClick(l, v, position, id);
                                
                StationBean station = stations.get(position);

                double latitude = station.getLatitude();
                double longitude = station.getLongitude();


                Intent intent = new Intent(this, DepartureList.class);
                intent.putExtra("name", station.getName());
                intent.putExtra("distance", station.getDistance());
                intent.putExtra("latitude", latitude);
                intent.putExtra("longitude", longitude);
                intent.putExtra("stationid", station.getId());
                intent.putExtra("address", station.getAddress());
                startActivity(intent);
        }

        /////////////////////////////////////////////////////////////
        //

        public void startLookup() {
                isRunning = true;
                dialogMessage = "Wait for location fix";
                showDialog(DLG_PROGRESS);
                
                locator.locateStations();
                stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, 20000);
        }
        
        void startNameSearch(String name) {
                dialogMessage = "Finding stations by name";
                showDialog(DLG_PROGRESS);

                locatorTask = new LocatorTask();
                locatorTask.searchByName(name, locator.getLocation());
                locatorTask.execute();
                
        }


        void startLocatorTask()
        {
                dialogMessage = "Finding nearby stations"; 
                showDialog(DLG_PROGRESS);
                
                locatorTask = new LocatorTask();
                locatorTask.searchByLocation( locator.getLocation() );
                locatorTask.execute();  
        }
        

        String lookupAddress(double latitude, double longitude) {
                
                Geocoder coder = new Geocoder(this, new Locale("da"));
                StringBuilder sb = new StringBuilder();
                Log.i("lookupaddr", "" + latitude + "/" + longitude);
                try {
                        List<Address> addressList = coder.getFromLocation(latitude, longitude, 1);
                        Address addr = addressList.get(0);
                        
                        
                        int max = addr.getMaxAddressLineIndex();
                        for (int i=0; i<max; i++) {
                                if (i>0)
                                        sb.append(", ");
                                
                                sb.append(addr.getAddressLine(i));
                        }
                        
                        
                } catch (Exception e) {
                        Log.e("DepartureList", "geocoder failed", e);
                }
                
                return sb.toString();
        }
        
        
        ////////////////////////////////////////////////////////////////////////////
        // Inner classes

        class StationsFetchedHandler extends Handler {
                @Override
                public void handleMessage(Message msg) {

                        switch (msg.what) {
                        case GOTLOCATION:
                                dismissDialog(DLG_PROGRESS);
                                
                                startLocatorTask();
                                location = GeoPair.fromLocation( locator.getLocation() );
                                
                                break;

                        case NOPROVIDER:
                                dismissDialog(DLG_PROGRESS);
                                MessageBox.showMessage(StationList.this,"No location provider enabled. Plase enable gps.");
                                break;
                        case LOCATIONFIXTIMEOUT:                                
                                if (isRunning) {
                                        locator.stopSearch();
                                        if (locator.hasLocation()) {
                                                stationsFetched.sendEmptyMessage( GOTLOCATION ); 
                                        } else {                                                
                                                dismissDialog(DLG_PROGRESS);
                                                
                                                AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);                                                
                                                builder.setMessage("GPS fix timed out");
                                                builder.setCancelable(true);
                                                builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
                                                        public void onClick(DialogInterface dialog, int id) {
                                                                dialog.dismiss();
                                                                startLookup();
                                                                
                                                        }
                                                });
                                                builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                                                        public void onClick(DialogInterface dialog, int id) {
                                                                dialog.dismiss();
                                                        }                                                       
                                                });                                                                                             
                                                builder.show();

                                        }
                                }
                                break;
                        }
                        isRunning = false;
                }
        };

        
        class LocatorTask extends AsyncTask<Void,Void,Void> {
                
                LookupMethod method = LookupMethod.MethodNone;
                boolean success;
                String name;
                Location loc;
                
                public void searchByName(String n, Location l) {
                        
                        method = LookupMethod.ByName;
                        loc = l;
                        name = n;
                }
                
                public void searchByLocation(Location l) {
                        method = LookupMethod.ByLocation;
                        loc = l;
                }
                
                @Override
                protected void onPreExecute() {

                        if (method.equals(LookupMethod.MethodNone))
                                throw new RuntimeException("Method not set");
                        super.onPreExecute();
                }
                
                @Override
                protected Void doInBackground(Void... params) {
                
                        if (method.equals(LookupMethod.ByLocation))
                                success = stationProvider.lookupStations(loc);
                        
                        if (method.equals(LookupMethod.ByName))
                                success = stationProvider.lookupStations(name);
                        
                        Location dummy = new Location("gps");
                        List<StationBean> stations = stationProvider.getStations();
                        
                        for (StationBean station : stations) { 
                                String addr = lookupAddress(station.getLatitude(), station.getLongitude());
                                station.setAddress(addr);
                                
                                if (method.equals(LookupMethod.ByName) ) {
                                        dummy.setLatitude(station.getLatitude());
                                        dummy.setLongitude(station.getLongitude());
                                        station.setDistance( (int)loc.distanceTo(dummy) );
                                }
                        }                                               
                        
                        return null;
                }

                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        dialog.dismiss();
                        
                        if (success) {                          
                                if (stationProvider.getStations().size() == 0)
                                        MessageBox.showMessage(StationList.this, "No stations found!"); // this should not be possible !?!
                                stations = stationProvider.getStations();
                                adapter.setStations( stations );                                
                                
                        } else { //communication or parse errors
                                AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);                                                
                                builder.setMessage("Error on finding nearby stations");
                                builder.setCancelable(true);
                                builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                                
                                                stationsFetched.post( new Runnable() {
                                                        @Override
                                                        public void run() {
                                                                startLocatorTask();                                                             
                                                        }
                                                });
                                        }
                                });
                                builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                        }                                                       
                                });                                                                                             
                                builder.show();                         
                        }
                }
        }
}
1	torben	237	package dk.thoerup.traininfo;
2
3	torben	258	import java.util.ArrayList;
4			import java.util.List;
5	torben	294	import java.util.Locale;
6	torben	258
7	torben	336	import android.app.AlertDialog;
8	torben	237	import android.app.Dialog;
9			import android.app.ListActivity;
10			import android.app.ProgressDialog;
11	torben	336	import android.content.DialogInterface;
12	torben	237	import android.content.Intent;
13	torben	294	import android.location.Address;
14			import android.location.Geocoder;
15	torben	319	import android.location.Location;
16	torben	241	import android.os.AsyncTask;
17	torben	237	import android.os.Bundle;
18			import android.os.Handler;
19			import android.os.Message;
20	torben	294	import android.util.Log;
21	torben	381	import android.view.LayoutInflater;
22	torben	368	import android.view.Menu;
23			import android.view.MenuItem;
24	torben	237	import android.view.View;
25	torben	381	import android.widget.EditText;
26	torben	237	import android.widget.ListView;
27	torben	319	import dk.thoerup.traininfo.provider.ProviderFactory;
28			import dk.thoerup.traininfo.provider.StationProvider;
29	torben	368	import dk.thoerup.traininfo.stationmap.GeoPair;
30			import dk.thoerup.traininfo.stationmap.StationMapView;
31	torben	245	import dk.thoerup.traininfo.util.MessageBox;
32	torben	237
33	torben	336	public class StationList extends ListActivity {
34			public static final int GOTLOCATION = 1001;
35			public static final int GOTSTATIONLIST = 1002;
36			public static final int NOPROVIDER = 1003;
37			public static final int LOCATIONFIXTIMEOUT = 1004;
38	torben	368
39	torben	381	public static final int OPTIONS_RESCAN = 2001;
40			public static final int OPTIONS_NAMESEARCH = 2002;
41			public static final int OPTIONS_MAP = 2003;
42			public static final int OPTIONS_ABOUT = 2004;
43	torben	336
44	torben	237
45	torben	381	public static final int DLG_PROGRESS = 3001;
46			public static final int DLG_STATIONNAME = 3002;
47	torben	237
48			/** Called when the activity is first created. */
49	torben	336	String dialogMessage = "";
50	torben	237	ProgressDialog dialog;
51	torben	319	LocationLookup locator = null;
52	torben	336	LocatorTask locatorTask;
53	torben	381	StationsFetchedHandler stationsFetched = new StationsFetchedHandler();
54	torben	237
55	torben	374	GeoPair location = new GeoPair();
56
57	torben	258	boolean isRunning = false;
58			List<StationBean> stations = new ArrayList<StationBean>();
59
60	torben	319	StationProvider stationProvider = ProviderFactory.getStationProvider();
61	torben	381
62			StationListAdapter adapter = null;
63	torben	258
64	torben	381	static enum LookupMethod {
65			ByLocation,
66			ByName,
67			MethodNone
68			}
69	torben	319
70	torben	381	///////////////////////////////////////////////////////////////////////////////////////////
71			//Activity call backs
72
73	torben	258	@SuppressWarnings("unchecked")
74	torben	237	@Override
75			public void onCreate(Bundle savedInstanceState) {
76			super.onCreate(savedInstanceState);
77			setContentView(R.layout.main);
78
79	torben	241
80	torben	237	adapter = new StationListAdapter(this);
81			setListAdapter(adapter);
82
83	torben	319	locator = new LocationLookup(this, stationsFetched);
84	torben	258	if (savedInstanceState == null) {
85			startLookup();
86			} else {
87			stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations");
88	torben	260	adapter.setStations(stations);
89	torben	374	location = (GeoPair) savedInstanceState.getSerializable("location");
90	torben	258	}
91	torben	237	}
92	torben	371
93
94	torben	243	@Override
95			public void onSaveInstanceState(Bundle outState)
96			{
97	torben	258	if (dialog != null && dialog.isShowing())
98	torben	243	dialog.dismiss();
99	torben	258	outState.putSerializable("stations", (ArrayList<StationBean>) stations);
100	torben	374	outState.putSerializable("location", location);
101	torben	243	}
102	torben	237
103	torben	243
104	torben	237
105			@Override
106	torben	368	public boolean onCreateOptionsMenu(Menu menu) {
107	torben	381	menu.add(0, OPTIONS_RESCAN, 0, "Find nearest stations");
108			menu.add(0, OPTIONS_NAMESEARCH, 0, "Search for station");
109	torben	368	menu.add(0, OPTIONS_MAP, 0, "Show station map");
110			menu.add(0, OPTIONS_ABOUT, 0, "About");
111			return true;
112			}
113
114			@Override
115			public boolean onOptionsItemSelected(MenuItem item) {
116	torben	381	boolean retval = true;
117
118	torben	368
119			switch (item.getItemId()) {
120	torben	381	case OPTIONS_RESCAN:
121			startLookup();
122			break;
123			case OPTIONS_NAMESEARCH:
124			showDialog(DLG_STATIONNAME);
125			break;
126	torben	368	case OPTIONS_MAP:
127
128			Intent intent = new Intent(this,StationMapView.class);
129	torben	374	intent.putExtra("userlocation", location );
130	torben	368
131			ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>();
132			for (StationBean st : stations ) {
133	torben	369	stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) );
134	torben	368	}
135
136			intent.putExtra("stations", stationPoints);
137
138			startActivity(intent);
139			break;
140	torben	371	case OPTIONS_ABOUT:
141			String ver = this.getResources().getString(R.string.app_version);
142
143			StringBuffer message = new StringBuffer();
144			message.append("TrainInfo DK v").append(ver).append("\n");
145			message.append("By Torben Nielsen\n");
146
147			MessageBox.showMessage(this, message.toString());
148			break;
149	torben	368	default:
150			retval = super.onOptionsItemSelected(item);
151			}
152
153			return retval;
154			}
155
156			@Override
157	torben	237	protected Dialog onCreateDialog(int id) {
158			switch (id) {
159			case DLG_PROGRESS:
160			ProgressDialog dlg = new ProgressDialog(this);
161			dlg.setMessage("Wait for location fix");
162			dlg.setCancelable(false);
163	torben	336	return dlg;
164	torben	381	case DLG_STATIONNAME:
165			LayoutInflater factory = LayoutInflater.from(this);
166			final View rootView = factory.inflate(R.layout.textinput, null);
167
168
169			AlertDialog.Builder builder = new AlertDialog.Builder(this);
170
171			builder.setTitle("Station search");
172			builder.setView(rootView);
173			builder.setCancelable(true);
174			builder.setPositiveButton("Search", new DialogInterface.OnClickListener() {
175			public void onClick(DialogInterface dialog, int which) {
176			EditText et = (EditText) rootView.findViewById(R.id.EditText);
177			dialog.dismiss();
178			if (et.getText().toString().length() >= 2) {
179			startNameSearch(et.getText().toString());
180			} else {
181			MessageBox.showMessage(StationList.this, "To characters, minimum" );
182			}
183			}
184			});
185			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
186			public void onClick(DialogInterface dialog, int which) {
187			dialog.dismiss();
188			}
189			});
190			return builder.create();
191
192	torben	237	default:
193			return super.onCreateDialog(id);
194			}
195
196			}
197
198
199			@Override
200			protected void onPrepareDialog(int id, Dialog dialog) {
201			super.onPrepareDialog(id, dialog);
202			switch (id) {
203			case DLG_PROGRESS:
204			this.dialog = (ProgressDialog) dialog;
205	torben	336	if (!dialogMessage.equals("")) {
206			this.dialog.setMessage(dialogMessage);
207			dialogMessage = "";
208			}
209	torben	237	break;
210			}
211			}
212	torben	381
213			@Override
214			protected void onListItemClick(ListView l, View v, int position, long id) {
215			super.onListItemClick(l, v, position, id);
216
217			StationBean station = stations.get(position);
218	torben	237
219	torben	381	double latitude = station.getLatitude();
220			double longitude = station.getLongitude();
221
222
223
224			Intent intent = new Intent(this, DepartureList.class);
225			intent.putExtra("name", station.getName());
226			intent.putExtra("distance", station.getDistance());
227			intent.putExtra("latitude", latitude);
228			intent.putExtra("longitude", longitude);
229			intent.putExtra("stationid", station.getId());
230			intent.putExtra("address", station.getAddress());
231			startActivity(intent);
232			}
233
234			/////////////////////////////////////////////////////////////
235			//
236
237	torben	237	public void startLookup() {
238			isRunning = true;
239	torben	381	dialogMessage = "Wait for location fix";
240	torben	237	showDialog(DLG_PROGRESS);
241
242			locator.locateStations();
243	torben	336	stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, 20000);
244	torben	237	}
245	torben	381
246			void startNameSearch(String name) {
247			dialogMessage = "Finding stations by name";
248			showDialog(DLG_PROGRESS);
249	torben	237
250	torben	381	locatorTask = new LocatorTask();
251			locatorTask.searchByName(name, locator.getLocation());
252			locatorTask.execute();
253
254			}
255	torben	237
256	torben	381
257
258			void startLocatorTask()
259			{
260			dialogMessage = "Finding nearby stations";
261			showDialog(DLG_PROGRESS);
262
263			locatorTask = new LocatorTask();
264			locatorTask.searchByLocation( locator.getLocation() );
265			locatorTask.execute();
266			}
267
268
269			String lookupAddress(double latitude, double longitude) {
270
271			Geocoder coder = new Geocoder(this, new Locale("da"));
272			StringBuilder sb = new StringBuilder();
273			Log.i("lookupaddr", "" + latitude + "/" + longitude);
274			try {
275			List<Address> addressList = coder.getFromLocation(latitude, longitude, 1);
276			Address addr = addressList.get(0);
277
278
279			int max = addr.getMaxAddressLineIndex();
280			for (int i=0; i<max; i++) {
281			if (i>0)
282			sb.append(", ");
283
284			sb.append(addr.getAddressLine(i));
285			}
286
287
288			} catch (Exception e) {
289			Log.e("DepartureList", "geocoder failed", e);
290			}
291
292			return sb.toString();
293			}
294
295
296			////////////////////////////////////////////////////////////////////////////
297			// Inner classes
298
299			class StationsFetchedHandler extends Handler {
300	torben	237	@Override
301			public void handleMessage(Message msg) {
302	torben	336
303	torben	237	switch (msg.what) {
304			case GOTLOCATION:
305	torben	336	dismissDialog(DLG_PROGRESS);
306
307			startLocatorTask();
308	torben	374	location = GeoPair.fromLocation( locator.getLocation() );
309	torben	336
310	torben	237	break;
311	torben	319
312	torben	237	case NOPROVIDER:
313	torben	336	dismissDialog(DLG_PROGRESS);
314			MessageBox.showMessage(StationList.this,"No location provider enabled. Plase enable gps.");
315	torben	237	break;
316	torben	336	case LOCATIONFIXTIMEOUT:
317	torben	237	if (isRunning) {
318	torben	336	locator.stopSearch();
319	torben	285	if (locator.hasLocation()) {
320	torben	336	stationsFetched.sendEmptyMessage( GOTLOCATION );
321			} else {
322			dismissDialog(DLG_PROGRESS);
323
324			AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
325			builder.setMessage("GPS fix timed out");
326			builder.setCancelable(true);
327			builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
328			public void onClick(DialogInterface dialog, int id) {
329			dialog.dismiss();
330			startLookup();
331
332			}
333			});
334			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
335			public void onClick(DialogInterface dialog, int id) {
336			dialog.dismiss();
337			}
338			});
339			builder.show();
340
341	torben	285	}
342	torben	237	}
343			break;
344			}
345			isRunning = false;
346			}
347			};
348	torben	381
349	torben	237
350	torben	381	class LocatorTask extends AsyncTask<Void,Void,Void> {
351	torben	336
352	torben	381	LookupMethod method = LookupMethod.MethodNone;
353			boolean success;
354			String name;
355			Location loc;
356	torben	237
357	torben	381	public void searchByName(String n, Location l) {
358	torben	317
359	torben	381	method = LookupMethod.ByName;
360			loc = l;
361			name = n;
362	torben	317	}
363
364	torben	381	public void searchByLocation(Location l) {
365			method = LookupMethod.ByLocation;
366			loc = l;
367			}
368
369	torben	241	@Override
370			protected void onPreExecute() {
371	torben	258
372	torben	381	if (method.equals(LookupMethod.MethodNone))
373			throw new RuntimeException("Method not set");
374	torben	241	super.onPreExecute();
375			}
376
377			@Override
378			protected Void doInBackground(Void... params) {
379	torben	381
380			if (method.equals(LookupMethod.ByLocation))
381			success = stationProvider.lookupStations(loc);
382	torben	258
383	torben	381	if (method.equals(LookupMethod.ByName))
384			success = stationProvider.lookupStations(name);
385	torben	319
386	torben	381	Location dummy = new Location("gps");
387	torben	319	List<StationBean> stations = stationProvider.getStations();
388	torben	381
389			for (StationBean station : stations) {
390	torben	317	String addr = lookupAddress(station.getLatitude(), station.getLongitude());
391			station.setAddress(addr);
392	torben	381
393			if (method.equals(LookupMethod.ByName) ) {
394			dummy.setLatitude(station.getLatitude());
395			dummy.setLongitude(station.getLongitude());
396			station.setDistance( (int)loc.distanceTo(dummy) );
397			}
398			}
399	torben	317
400	torben	241	return null;
401			}
402
403			@Override
404			protected void onPostExecute(Void result) {
405			super.onPostExecute(result);
406	torben	319	dialog.dismiss();
407
408			if (success) {
409			if (stationProvider.getStations().size() == 0)
410	torben	336	MessageBox.showMessage(StationList.this, "No stations found!"); // this should not be possible !?!
411	torben	319	stations = stationProvider.getStations();
412			adapter.setStations( stations );
413
414			} else { //communication or parse errors
415	torben	336	AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
416			builder.setMessage("Error on finding nearby stations");
417			builder.setCancelable(true);
418			builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
419			public void onClick(DialogInterface dialog, int id) {
420			dialog.dismiss();
421
422			stationsFetched.post( new Runnable() {
423			@Override
424			public void run() {
425			startLocatorTask();
426			}
427			});
428			}
429			});
430			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
431			public void onClick(DialogInterface dialog, int id) {
432			dialog.dismiss();
433			}
434			});
435			builder.show();
436	torben	319	}
437	torben	241	}
438			}
439	torben	237	}