1 |
package dk.thoerup.traininfo; |
2 |
|
3 |
import static dk.thoerup.traininfo.R.string.app_name; |
4 |
import static dk.thoerup.traininfo.R.string.generic_cancel; |
5 |
import static dk.thoerup.traininfo.R.string.generic_retry; |
6 |
import static dk.thoerup.traininfo.R.string.stationlist_accuracy; |
7 |
import static dk.thoerup.traininfo.R.string.stationlist_addfavorite; |
8 |
import static dk.thoerup.traininfo.R.string.stationlist_favorites; |
9 |
import static dk.thoerup.traininfo.R.string.stationlist_gpsinfo; |
10 |
import static dk.thoerup.traininfo.R.string.stationlist_gpstimeout; |
11 |
import static dk.thoerup.traininfo.R.string.stationlist_latitude; |
12 |
import static dk.thoerup.traininfo.R.string.stationlist_locationinfo; |
13 |
import static dk.thoerup.traininfo.R.string.stationlist_longitude; |
14 |
import static dk.thoerup.traininfo.R.string.stationlist_nearbystations; |
15 |
import static dk.thoerup.traininfo.R.string.stationlist_nofavorites; |
16 |
import static dk.thoerup.traininfo.R.string.stationlist_nolocationprovider; |
17 |
import static dk.thoerup.traininfo.R.string.stationlist_obtainedby; |
18 |
import static dk.thoerup.traininfo.R.string.stationlist_removefavorite; |
19 |
import static dk.thoerup.traininfo.R.string.stationlist_satellitecount; |
20 |
import static dk.thoerup.traininfo.R.string.stationlist_search; |
21 |
import static dk.thoerup.traininfo.R.string.stationlist_stationadded; |
22 |
import static dk.thoerup.traininfo.R.string.stationlist_stationmap; |
23 |
import static dk.thoerup.traininfo.R.string.stationlist_stationremoved; |
24 |
import static dk.thoerup.traininfo.R.string.stationlist_waitforlocation; |
25 |
|
26 |
import java.util.ArrayList; |
27 |
|
28 |
import android.app.Activity; |
29 |
import android.app.AlertDialog; |
30 |
import android.app.Dialog; |
31 |
import android.app.ListActivity; |
32 |
import android.app.ProgressDialog; |
33 |
import android.content.DialogInterface; |
34 |
import android.content.Intent; |
35 |
import android.content.SharedPreferences; |
36 |
import android.content.SharedPreferences.Editor; |
37 |
import android.location.Location; |
38 |
import android.os.Bundle; |
39 |
import android.os.Handler; |
40 |
import android.os.Message; |
41 |
import android.text.Editable; |
42 |
import android.text.TextWatcher; |
43 |
import android.util.Log; |
44 |
import android.view.ContextMenu; |
45 |
import android.view.ContextMenu.ContextMenuInfo; |
46 |
import android.view.Menu; |
47 |
import android.view.MenuItem; |
48 |
import android.view.View; |
49 |
import android.view.View.OnCreateContextMenuListener; |
50 |
import android.widget.AdapterView; |
51 |
import android.widget.ListView; |
52 |
import android.widget.TextView; |
53 |
import android.widget.Toast; |
54 |
import dk.thoerup.android.traininfo.common.StationBean; |
55 |
import dk.thoerup.android.traininfo.common.StationEntry; |
56 |
import dk.thoerup.traininfo.provider.ProviderFactory; |
57 |
import dk.thoerup.traininfo.provider.StationProvider; |
58 |
import dk.thoerup.traininfo.stationmap.GeoPair; |
59 |
import dk.thoerup.traininfo.stationmap.StationMapView; |
60 |
import dk.thoerup.traininfo.util.IntSet; |
61 |
import dk.thoerup.traininfo.util.MessageBox; |
62 |
|
63 |
public class StationList extends ListActivity { |
64 |
|
65 |
|
66 |
|
67 |
public static final int OPTIONS_MAP = 103; |
68 |
public static final int OPTIONS_GPSINFO = 104; |
69 |
|
70 |
public static final int DLG_PROGRESS = 3001; |
71 |
|
72 |
|
73 |
public static final int GPS_TIMEOUT_MS = 15000; //how long are we willing to wait for gps fix -in milliseconds |
74 |
|
75 |
|
76 |
static enum LookupMethod { |
77 |
ByLocation, |
78 |
ByName, |
79 |
ByList, |
80 |
MethodNone |
81 |
} |
82 |
|
83 |
|
84 |
String dialogMessage = ""; |
85 |
ProgressDialog dialog; |
86 |
LocationLookup locationLookup = null; |
87 |
StationsFetchedHandler stationsFetched = new StationsFetchedHandler(); |
88 |
|
89 |
//GeoPair location = new GeoPair(); |
90 |
|
91 |
boolean isLaunchedforShortcut; |
92 |
|
93 |
StationBean stations = new StationBean(); |
94 |
|
95 |
StationProvider stationProvider = ProviderFactory.getStationProvider(); |
96 |
|
97 |
StationListAdapter adapter = null; |
98 |
|
99 |
FavoritesMenu contextMenu = new FavoritesMenu(); |
100 |
IntSet favorites = new IntSet(); |
101 |
|
102 |
WelcomeScreen.ListType listType; |
103 |
SharedPreferences prefs; |
104 |
|
105 |
/////////////////////////////////////////////////////////////////////////////////////////// |
106 |
//Activity call backs |
107 |
|
108 |
|
109 |
@Override |
110 |
public void onCreate(Bundle savedInstanceState) { |
111 |
super.onCreate(savedInstanceState); |
112 |
setContentView(R.layout.stationlist); |
113 |
|
114 |
|
115 |
adapter = new StationListAdapter(this); |
116 |
setListAdapter(adapter); |
117 |
|
118 |
ListView lv = getListView(); |
119 |
lv.setOnCreateContextMenuListener(contextMenu); |
120 |
|
121 |
locationLookup = new LocationLookup(this); |
122 |
|
123 |
|
124 |
prefs = getSharedPreferences("TrainStation", 0); |
125 |
String favoriteString = prefs.getString("favorites", ""); |
126 |
if (! favoriteString.equals("") ) { |
127 |
favorites.fromString(favoriteString); |
128 |
} |
129 |
|
130 |
listType = (WelcomeScreen.ListType) getIntent().getSerializableExtra("type"); |
131 |
setTitle(); |
132 |
|
133 |
isLaunchedforShortcut = getIntent().getBooleanExtra("shortcut", false); |
134 |
|
135 |
ProviderFactory.purgeOldEntries(); //cleanup before fetching more data |
136 |
|
137 |
if (savedInstanceState == null) { |
138 |
|
139 |
|
140 |
switch (listType) { |
141 |
case ListNearest: |
142 |
startNearestLookup(); |
143 |
break; |
144 |
case ListSearch: |
145 |
enableNamesearchField(); |
146 |
break; |
147 |
case ListFavorites: |
148 |
startFavoriteLookup(); |
149 |
break; |
150 |
default: |
151 |
// Not possible !?! |
152 |
} |
153 |
|
154 |
} else { |
155 |
stations = (StationBean) savedInstanceState.getSerializable("stations"); |
156 |
adapter.setStations(stations); |
157 |
} |
158 |
|
159 |
} |
160 |
|
161 |
|
162 |
|
163 |
|
164 |
|
165 |
|
166 |
@Override |
167 |
protected void onDestroy() { |
168 |
super.onDestroy(); |
169 |
|
170 |
stationsFetched.removeMessages(0); |
171 |
|
172 |
|
173 |
if (locationLookup != null) { |
174 |
locationLookup.stopSearch(); |
175 |
} |
176 |
|
177 |
} |
178 |
|
179 |
|
180 |
protected void setTitle() { |
181 |
String dialogTitle = getResources().getString(app_name); |
182 |
switch (listType) { |
183 |
case ListNearest: |
184 |
dialogTitle += " - " + getString(stationlist_nearbystations); |
185 |
break; |
186 |
case ListSearch: |
187 |
dialogTitle += " - " + getString(stationlist_search); |
188 |
break; |
189 |
case ListFavorites: |
190 |
dialogTitle += " - " + getString(stationlist_favorites); |
191 |
break; |
192 |
default: |
193 |
dialogTitle = "";//not possible |
194 |
} |
195 |
|
196 |
setTitle(dialogTitle); |
197 |
|
198 |
} |
199 |
|
200 |
|
201 |
public void enableNamesearchField() { |
202 |
final TextView stationSearch = (TextView) findViewById(R.id.stationsearch); |
203 |
stationSearch.setVisibility( View.VISIBLE ); |
204 |
stationSearch.addTextChangedListener( new TextWatcher() { |
205 |
|
206 |
@Override |
207 |
public void afterTextChanged(Editable s) { |
208 |
if (s.length() > 0) { |
209 |
startNameLookup( s.toString() ); |
210 |
} else { |
211 |
stations = new StationBean(); |
212 |
getListView().invalidateViews(); |
213 |
adapter.setStations( stations ); |
214 |
} |
215 |
} |
216 |
|
217 |
@Override |
218 |
public void beforeTextChanged(CharSequence s, int start, int count, int after) { |
219 |
} |
220 |
|
221 |
@Override |
222 |
public void onTextChanged(CharSequence s, int start, int before, int count) { |
223 |
} |
224 |
|
225 |
}); |
226 |
|
227 |
|
228 |
} |
229 |
|
230 |
|
231 |
@Override |
232 |
public void onSaveInstanceState(Bundle outState) |
233 |
{ |
234 |
if (dialog != null && dialog.isShowing()) |
235 |
dialog.dismiss(); |
236 |
outState.putSerializable("stations", (StationBean) stations); |
237 |
|
238 |
} |
239 |
|
240 |
|
241 |
|
242 |
@Override |
243 |
public boolean onCreateOptionsMenu(Menu menu) { |
244 |
MenuItem item; |
245 |
|
246 |
item = menu.add(0, OPTIONS_MAP, 0, getString(stationlist_stationmap)); |
247 |
item.setIcon(android.R.drawable.ic_menu_mapmode); |
248 |
|
249 |
item = menu.add(0, OPTIONS_GPSINFO, 0, getString(stationlist_gpsinfo)); |
250 |
item.setIcon(android.R.drawable.ic_menu_info_details); |
251 |
boolean hasLoc = (locationLookup.getLocation() != null); |
252 |
item.setEnabled(hasLoc); |
253 |
|
254 |
return true; |
255 |
} |
256 |
|
257 |
|
258 |
|
259 |
|
260 |
@Override |
261 |
public boolean onOptionsItemSelected(MenuItem item) { |
262 |
boolean retval = true; |
263 |
|
264 |
|
265 |
switch (item.getItemId()) { |
266 |
case OPTIONS_MAP: |
267 |
|
268 |
if ( stations == null || stations.entries == null || stations.entries.size() == 0 ) { |
269 |
Toast.makeText(this, "No stations to show on map", Toast.LENGTH_SHORT).show(); //TODO: Translate |
270 |
return true; |
271 |
} |
272 |
|
273 |
Intent intent = new Intent(this,StationMapView.class); |
274 |
|
275 |
ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>(); |
276 |
for (StationEntry st : stations.entries ) { |
277 |
stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) ); |
278 |
} |
279 |
|
280 |
intent.putExtra("stations", stationPoints); |
281 |
|
282 |
startActivity(intent); |
283 |
break; |
284 |
case OPTIONS_GPSINFO: |
285 |
Location loc = locationLookup.getLocation(); |
286 |
StringBuffer message = new StringBuffer(); |
287 |
message.append( getString(stationlist_locationinfo) ).append(":\n"); |
288 |
|
289 |
message.append( getString(stationlist_obtainedby) ).append( loc.getProvider() ).append("\n"); |
290 |
message.append( getString(stationlist_accuracy) ).append( (int)loc.getAccuracy()).append("m\n"); |
291 |
message.append( getString(stationlist_latitude) ).append( (float)loc.getLatitude()).append("\n"); |
292 |
message.append( getString(stationlist_longitude) ).append( (float)loc.getLongitude() ).append("\n"); |
293 |
|
294 |
|
295 |
MessageBox.showMessage(this, message.toString(), false); |
296 |
break; |
297 |
default: |
298 |
retval = super.onOptionsItemSelected(item); |
299 |
} |
300 |
|
301 |
return retval; |
302 |
} |
303 |
|
304 |
|
305 |
|
306 |
@Override |
307 |
public boolean onContextItemSelected(MenuItem item) { |
308 |
contextMenu.onContextItemSelected(item); |
309 |
return true; |
310 |
|
311 |
|
312 |
} |
313 |
|
314 |
public void showMessageAndClose(String message) { |
315 |
AlertDialog.Builder builder = new AlertDialog.Builder(this); |
316 |
builder.setMessage(message) |
317 |
.setCancelable(false) |
318 |
.setPositiveButton("OK", new DialogInterface.OnClickListener() { |
319 |
public void onClick(DialogInterface dialog, int id) { |
320 |
dialog.dismiss(); |
321 |
StationList.this.finish(); |
322 |
} |
323 |
}) |
324 |
.show(); |
325 |
} |
326 |
|
327 |
|
328 |
|
329 |
|
330 |
@Override |
331 |
protected Dialog onCreateDialog(int id) { |
332 |
switch (id) { |
333 |
case DLG_PROGRESS: |
334 |
ProgressDialog dlg = new ProgressDialog(this); |
335 |
dlg.setMessage( getString(stationlist_waitforlocation) ); |
336 |
dlg.setCancelable(false); |
337 |
return dlg; |
338 |
|
339 |
default: |
340 |
return super.onCreateDialog(id); |
341 |
} |
342 |
|
343 |
} |
344 |
|
345 |
|
346 |
@Override |
347 |
protected void onPrepareDialog(int id, Dialog dialog) { |
348 |
super.onPrepareDialog(id, dialog); |
349 |
switch (id) { |
350 |
case DLG_PROGRESS: |
351 |
this.dialog = (ProgressDialog) dialog; |
352 |
if (!dialogMessage.equals("")) { |
353 |
this.dialog.setMessage(dialogMessage); |
354 |
dialogMessage = ""; |
355 |
} |
356 |
break; |
357 |
} |
358 |
} |
359 |
|
360 |
@Override |
361 |
protected void onListItemClick(ListView l, View v, int position, long id) { |
362 |
super.onListItemClick(l, v, position, id); |
363 |
|
364 |
StationEntry station = stations.entries.get(position); |
365 |
|
366 |
if (isLaunchedforShortcut == true) { |
367 |
Intent i = new Intent(); |
368 |
i.putExtra("station", station); |
369 |
setResult(Activity.RESULT_OK, i); |
370 |
finish(); |
371 |
} else { |
372 |
Intent intent = new Intent(this, DepartureList.class); |
373 |
intent.putExtra("stationbean", station); |
374 |
startActivity(intent); |
375 |
} |
376 |
} |
377 |
|
378 |
///////////////////////////////////////////////////////////// |
379 |
// |
380 |
|
381 |
public void startNearestLookup() { |
382 |
dialogMessage = getString( stationlist_waitforlocation ); |
383 |
showDialog(DLG_PROGRESS); |
384 |
|
385 |
locationLookup.locateStations(); |
386 |
stationsFetched.sendEmptyMessageDelayed(0, 500); |
387 |
} |
388 |
|
389 |
void startNameLookup(String name) { |
390 |
|
391 |
stations = stationProvider.lookupStationsByName(name); |
392 |
getListView().invalidateViews(); |
393 |
adapter.setStations( stations ); |
394 |
} |
395 |
|
396 |
public void startFavoriteLookup() { |
397 |
|
398 |
if (favorites.size() > 0) { |
399 |
|
400 |
stations = stationProvider.lookupStationsByIds( favorites.toString() ); |
401 |
getListView().invalidateViews(); |
402 |
adapter.setStations( stations ); |
403 |
|
404 |
|
405 |
} else { |
406 |
showMessageAndClose( getString( stationlist_nofavorites ) ); |
407 |
} |
408 |
} |
409 |
|
410 |
|
411 |
|
412 |
void startNearestLookupPhase2() |
413 |
{ |
414 |
stations = stationProvider.lookupStationsByLocation( locationLookup.getLocation() ); |
415 |
getListView().invalidateViews(); |
416 |
adapter.setStations( stations ); |
417 |
} |
418 |
|
419 |
|
420 |
//////////////////////////////////////////////////////////////////////////// |
421 |
// Inner classes |
422 |
|
423 |
class StationsFetchedHandler extends Handler { |
424 |
@Override |
425 |
public void handleMessage(Message msg) { |
426 |
|
427 |
LocationLookup.LookupStates state = locationLookup.getState(); |
428 |
|
429 |
|
430 |
switch (state) { |
431 |
case GOTLOCATION: |
432 |
dismissDialog(DLG_PROGRESS); |
433 |
|
434 |
startNearestLookupPhase2(); |
435 |
|
436 |
return; |
437 |
|
438 |
case NOPROVIDER: |
439 |
dismissDialog(DLG_PROGRESS); |
440 |
MessageBox.showMessage(StationList.this, getString(stationlist_nolocationprovider), true ); |
441 |
//StationList.this.finish(); |
442 |
return; |
443 |
case IDLE: |
444 |
Log.e("TrainInfo", "How did this happen ???"); |
445 |
dismissDialog(DLG_PROGRESS); // how did we get here ?? |
446 |
return; |
447 |
|
448 |
} |
449 |
|
450 |
|
451 |
|
452 |
if (locationLookup.elapsedTime() >= GPS_TIMEOUT_MS) { |
453 |
dismissDialog(DLG_PROGRESS); |
454 |
|
455 |
|
456 |
locationLookup.stopSearch(); |
457 |
|
458 |
if (locationLookup.hasLocation()) { |
459 |
startNearestLookupPhase2(); |
460 |
} else { |
461 |
AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); |
462 |
builder.setMessage( getString( stationlist_gpstimeout) ); |
463 |
builder.setCancelable(true); |
464 |
builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() { |
465 |
public void onClick(DialogInterface dialog, int id) { |
466 |
dialog.dismiss(); |
467 |
startNearestLookup(); |
468 |
|
469 |
} |
470 |
}); |
471 |
builder.setNegativeButton( getString(generic_cancel), new DialogInterface.OnClickListener() { |
472 |
public void onClick(DialogInterface dialog, int id) { |
473 |
dialog.dismiss(); |
474 |
StationList.this.finish(); // Close this Activity |
475 |
} |
476 |
}); |
477 |
builder.show(); |
478 |
|
479 |
} |
480 |
} else { |
481 |
if (locationLookup.hasGps()) { |
482 |
int count = locationLookup.getSatCount(); |
483 |
String dialogMessage = getString( stationlist_waitforlocation ) + "\n" + getString( stationlist_satellitecount ) + ": " + count; |
484 |
dialog.setMessage( dialogMessage ); |
485 |
} |
486 |
this.sendEmptyMessageDelayed(0, 500); |
487 |
} |
488 |
|
489 |
} |
490 |
} |
491 |
|
492 |
|
493 |
|
494 |
|
495 |
class FavoritesMenu implements OnCreateContextMenuListener { |
496 |
private final static int FAVORITES_ADD = 9001; |
497 |
private final static int FAVORITES_REMOVE = 9002; |
498 |
|
499 |
private int selectedPosition; |
500 |
|
501 |
|
502 |
@Override |
503 |
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { |
504 |
|
505 |
AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo; |
506 |
selectedPosition = info.position; |
507 |
int stationID = stations.entries.get(selectedPosition).getId(); |
508 |
|
509 |
if (!favorites.contains(stationID)) { |
510 |
menu.add(0, FAVORITES_ADD, 0, getString(stationlist_addfavorite) ); |
511 |
} else { |
512 |
menu.add(0, FAVORITES_REMOVE, 0, getString(stationlist_removefavorite) ); |
513 |
} |
514 |
|
515 |
} |
516 |
|
517 |
public void onContextItemSelected(MenuItem item) { |
518 |
StationEntry sb = stations.entries.get(selectedPosition); |
519 |
|
520 |
int stationID = sb.getId(); |
521 |
if (item.getItemId() == FAVORITES_ADD) { |
522 |
favorites.add(stationID); |
523 |
Toast.makeText(StationList.this, getString(stationlist_stationadded), Toast.LENGTH_SHORT).show(); |
524 |
} else { |
525 |
|
526 |
favorites.remove(stationID); |
527 |
Toast.makeText(StationList.this, getString(stationlist_stationremoved), Toast.LENGTH_SHORT).show(); |
528 |
|
529 |
|
530 |
if (listType.equals( WelcomeScreen.ListType.ListFavorites) ) { |
531 |
stations.entries.remove(selectedPosition); |
532 |
adapter.notifyDataSetChanged(); |
533 |
} |
534 |
} |
535 |
Editor ed = prefs.edit(); |
536 |
ed.putString("favorites", favorites.toString()); |
537 |
ed.commit(); |
538 |
} |
539 |
} |
540 |
} |