1 |
package dk.thoerup.traininfo; |
2 |
|
3 |
import java.util.ArrayList; |
4 |
import java.util.List; |
5 |
|
6 |
|
7 |
import android.app.Activity; |
8 |
import android.app.AlertDialog; |
9 |
import android.app.Dialog; |
10 |
import android.app.ListActivity; |
11 |
import android.app.ProgressDialog; |
12 |
import android.content.DialogInterface; |
13 |
import android.content.Intent; |
14 |
import android.content.SharedPreferences; |
15 |
import android.content.SharedPreferences.Editor; |
16 |
import android.location.Location; |
17 |
import android.os.AsyncTask; |
18 |
import android.os.Bundle; |
19 |
import android.os.Handler; |
20 |
import android.os.Message; |
21 |
|
22 |
import android.util.Log; |
23 |
import android.view.ContextMenu; |
24 |
import android.view.LayoutInflater; |
25 |
import android.view.Menu; |
26 |
import android.view.MenuItem; |
27 |
import android.view.View; |
28 |
import android.view.ContextMenu.ContextMenuInfo; |
29 |
import android.view.View.OnCreateContextMenuListener; |
30 |
import android.widget.AdapterView; |
31 |
import android.widget.EditText; |
32 |
import android.widget.ListView; |
33 |
import android.widget.Toast; |
34 |
import dk.thoerup.traininfo.provider.ProviderFactory; |
35 |
import dk.thoerup.traininfo.provider.StationProvider; |
36 |
import dk.thoerup.traininfo.stationmap.GeoPair; |
37 |
import dk.thoerup.traininfo.stationmap.StationMapView; |
38 |
import dk.thoerup.traininfo.util.IntSet; |
39 |
import dk.thoerup.traininfo.util.MessageBox; |
40 |
|
41 |
import static dk.thoerup.traininfo.R.string.*; |
42 |
|
43 |
public class StationList extends ListActivity { |
44 |
public static final int GOTLOCATION = 1001; |
45 |
public static final int GOTSTATIONLIST = 1002; |
46 |
public static final int NOPROVIDER = 1003; |
47 |
public static final int LOCATIONFIXTIMEOUT = 1004; |
48 |
|
49 |
public static final int OPTIONS_MAP = 2003; |
50 |
public static final int OPTIONS_GPSINFO = 2004; |
51 |
|
52 |
|
53 |
|
54 |
|
55 |
public static final int DLG_PROGRESS = 3001; |
56 |
public static final int DLG_STATIONNAME = 3002; |
57 |
|
58 |
static enum LookupMethod { |
59 |
ByLocation, |
60 |
ByName, |
61 |
ByList, |
62 |
MethodNone |
63 |
} |
64 |
|
65 |
|
66 |
String dialogMessage = ""; |
67 |
ProgressDialog dialog; |
68 |
LocationLookup locationLookup = null; |
69 |
FindStationsTask findStationsTask; |
70 |
StationsFetchedHandler stationsFetched = new StationsFetchedHandler(); |
71 |
|
72 |
GeoPair location = new GeoPair(); |
73 |
|
74 |
boolean isLaunchedforShortcut; |
75 |
boolean isRunning = false; |
76 |
List<StationBean> stations = new ArrayList<StationBean>(); |
77 |
|
78 |
StationProvider stationProvider = ProviderFactory.getStationProvider(); |
79 |
|
80 |
StationListAdapter adapter = null; |
81 |
|
82 |
FavoritesMenu contextMenu = new FavoritesMenu(); |
83 |
IntSet favorites = new IntSet(); |
84 |
|
85 |
WelcomeScreen.ListType listType; |
86 |
SharedPreferences prefs; |
87 |
|
88 |
/////////////////////////////////////////////////////////////////////////////////////////// |
89 |
//Activity call backs |
90 |
|
91 |
@SuppressWarnings("unchecked") |
92 |
@Override |
93 |
public void onCreate(Bundle savedInstanceState) { |
94 |
super.onCreate(savedInstanceState); |
95 |
setContentView(R.layout.stationlist); |
96 |
|
97 |
|
98 |
adapter = new StationListAdapter(this); |
99 |
setListAdapter(adapter); |
100 |
|
101 |
ListView lv = getListView(); |
102 |
lv.setOnCreateContextMenuListener(contextMenu); |
103 |
|
104 |
locationLookup = new LocationLookup(this, stationsFetched); |
105 |
|
106 |
|
107 |
prefs = getSharedPreferences("TrainStation", 0); |
108 |
String favoriteString = prefs.getString("favorites", ""); |
109 |
if (! favoriteString.equals("") ) { |
110 |
favorites.fromString(favoriteString); |
111 |
} |
112 |
|
113 |
listType = (WelcomeScreen.ListType) getIntent().getSerializableExtra("type"); |
114 |
setTitle(); |
115 |
|
116 |
isLaunchedforShortcut = getIntent().getBooleanExtra("shortcut", false); |
117 |
|
118 |
if (savedInstanceState == null) { |
119 |
|
120 |
|
121 |
switch (listType) { |
122 |
case ListNearest: |
123 |
startLookup(); |
124 |
break; |
125 |
case ListSearch: |
126 |
this.showDialogSafe(DLG_STATIONNAME); |
127 |
break; |
128 |
case ListFavorites: |
129 |
startFavoriteLookup(); |
130 |
break; |
131 |
default: |
132 |
// Not possible !?! |
133 |
} |
134 |
|
135 |
} else { |
136 |
stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations"); |
137 |
adapter.setStations(stations); |
138 |
location = (GeoPair) savedInstanceState.getSerializable("location"); |
139 |
} |
140 |
|
141 |
} |
142 |
protected void setTitle() { |
143 |
String dialogTitle = getResources().getString(app_name); |
144 |
switch (listType) { |
145 |
case ListNearest: |
146 |
dialogTitle += " - " + getString(stationlist_nearbystations); |
147 |
break; |
148 |
case ListSearch: |
149 |
dialogTitle += " - " + getString(stationlist_search); |
150 |
break; |
151 |
case ListFavorites: |
152 |
dialogTitle += " - " + getString(stationlist_favorites); |
153 |
break; |
154 |
default: |
155 |
dialogTitle = "";//not possible |
156 |
} |
157 |
|
158 |
setTitle(dialogTitle); |
159 |
|
160 |
} |
161 |
|
162 |
|
163 |
/* these 3 dialogs helper functions are very rude and ugly hack |
164 |
* to remove these auto-reported exceptions |
165 |
* - android.view.WindowManager$BadTokenException: Unable to add window -- token android.os.BinderProxy@436aaef8 is not valid; is your activity running? |
166 |
* - java.lang.IllegalArgumentException: View not attached to window manager |
167 |
*/ |
168 |
|
169 |
public void showDialogSafe(int id) { |
170 |
try { |
171 |
showDialog(id); |
172 |
} catch (Exception e) { |
173 |
Log.e("StationList", "showDialog failed", e); |
174 |
} |
175 |
} |
176 |
|
177 |
public void dismissDialogSafe(int id) { |
178 |
try { |
179 |
dismissDialog(id); |
180 |
} catch (Exception e) { |
181 |
Log.e("StationList", "dismissDialog failed", e); |
182 |
} |
183 |
} |
184 |
public void dismissDialogSafe(Dialog dlg) { |
185 |
try { |
186 |
dlg.dismiss(); |
187 |
} catch (Exception e) { |
188 |
Log.e("StationList", "dismissDialog failed", e); |
189 |
} |
190 |
} |
191 |
|
192 |
public void builderShowSafe(AlertDialog.Builder builder) { |
193 |
try { |
194 |
builder.show(); |
195 |
} catch (Exception e) { |
196 |
Log.e("StationList", "builder.show() failed", e); |
197 |
} |
198 |
|
199 |
} |
200 |
/* EOF rude and ugly dialog hack */ |
201 |
|
202 |
|
203 |
|
204 |
@Override |
205 |
public void onSaveInstanceState(Bundle outState) |
206 |
{ |
207 |
if (dialog != null && dialog.isShowing()) |
208 |
dialog.dismiss(); |
209 |
outState.putSerializable("stations", (ArrayList<StationBean>) stations); |
210 |
outState.putSerializable("location", location); |
211 |
|
212 |
} |
213 |
|
214 |
|
215 |
|
216 |
@Override |
217 |
public boolean onCreateOptionsMenu(Menu menu) { |
218 |
MenuItem item; |
219 |
|
220 |
item = menu.add(0, OPTIONS_MAP, 0, getString(stationlist_stationmap)); |
221 |
item.setIcon(android.R.drawable.ic_menu_mapmode); |
222 |
|
223 |
item = menu.add(0, OPTIONS_GPSINFO, 0, getString(stationlist_gpsinfo)); |
224 |
item.setIcon(android.R.drawable.ic_menu_mapmode); |
225 |
|
226 |
return true; |
227 |
} |
228 |
|
229 |
@Override |
230 |
public boolean onOptionsItemSelected(MenuItem item) { |
231 |
boolean retval = true; |
232 |
|
233 |
//TODO: Cleanup |
234 |
switch (item.getItemId()) { |
235 |
case OPTIONS_MAP: |
236 |
|
237 |
Intent intent = new Intent(this,StationMapView.class); |
238 |
|
239 |
ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>(); |
240 |
for (StationBean st : stations ) { |
241 |
stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) ); |
242 |
} |
243 |
|
244 |
intent.putExtra("stations", stationPoints); |
245 |
|
246 |
startActivity(intent); |
247 |
break; |
248 |
case OPTIONS_GPSINFO: |
249 |
Location loc = locationLookup.getLocation(); |
250 |
StringBuffer message = new StringBuffer(); |
251 |
message.append( getString(stationlist_locationinfo) ).append(":\n"); |
252 |
if (loc != null) { |
253 |
message.append( getString(stationlist_obtainedby) ).append( loc.getProvider() ).append("\n"); |
254 |
message.append( getString(stationlist_accuracy) ).append( (int)loc.getAccuracy()).append("m\n"); |
255 |
message.append( getString(stationlist_latitude) ).append( (float)loc.getLatitude()).append("\n"); |
256 |
message.append( getString(stationlist_longitude) ).append( (float)loc.getLongitude() ).append("\n"); |
257 |
} else { |
258 |
message.append( getString(stationlist_nolocation) ); |
259 |
} |
260 |
|
261 |
MessageBox.showMessage(this, message.toString(), false); |
262 |
break; |
263 |
default: |
264 |
retval = super.onOptionsItemSelected(item); |
265 |
} |
266 |
|
267 |
return retval; |
268 |
} |
269 |
|
270 |
|
271 |
|
272 |
@Override |
273 |
public boolean onContextItemSelected(MenuItem item) { |
274 |
contextMenu.onContextItemSelected(item); |
275 |
return true; |
276 |
|
277 |
|
278 |
} |
279 |
|
280 |
public void showMessageAndClose(String message) { |
281 |
AlertDialog.Builder builder = new AlertDialog.Builder(this); |
282 |
builder.setMessage(message) |
283 |
.setCancelable(false) |
284 |
.setPositiveButton("OK", new DialogInterface.OnClickListener() { |
285 |
public void onClick(DialogInterface dialog, int id) { |
286 |
dialog.dismiss(); |
287 |
StationList.this.finish(); |
288 |
} |
289 |
}) |
290 |
.show(); |
291 |
} |
292 |
|
293 |
|
294 |
|
295 |
|
296 |
@Override |
297 |
protected Dialog onCreateDialog(int id) { |
298 |
switch (id) { |
299 |
case DLG_PROGRESS: |
300 |
ProgressDialog dlg = new ProgressDialog(this); |
301 |
dlg.setMessage( getString(stationlist_waitforlocation) ); |
302 |
dlg.setCancelable(false); |
303 |
return dlg; |
304 |
case DLG_STATIONNAME: |
305 |
LayoutInflater factory = LayoutInflater.from(this); |
306 |
final View rootView = factory.inflate(R.layout.textinput, null); |
307 |
|
308 |
|
309 |
AlertDialog.Builder builder = new AlertDialog.Builder(this); |
310 |
|
311 |
builder.setTitle( getString(stationlist_stationsearch) ); |
312 |
builder.setView(rootView); |
313 |
builder.setCancelable(true); |
314 |
builder.setPositiveButton( getString(generic_search), new DialogInterface.OnClickListener() { |
315 |
public void onClick(DialogInterface dialog, int which) { |
316 |
EditText et = (EditText) rootView.findViewById(R.id.EditText); |
317 |
dialog.dismiss(); |
318 |
String search = et.getText().toString().trim(); |
319 |
if (search.length() >= 2) { |
320 |
startNameSearch(search); |
321 |
} else { |
322 |
showMessageAndClose( getString(stationlist_twocharmin) ); |
323 |
} |
324 |
} |
325 |
}); |
326 |
builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() { |
327 |
public void onClick(DialogInterface dialog, int which) { |
328 |
dialog.dismiss(); |
329 |
StationList.this.finish(); // Close this Activity |
330 |
} |
331 |
}); |
332 |
return builder.create(); |
333 |
|
334 |
default: |
335 |
return super.onCreateDialog(id); |
336 |
} |
337 |
|
338 |
} |
339 |
|
340 |
|
341 |
@Override |
342 |
protected void onPrepareDialog(int id, Dialog dialog) { |
343 |
super.onPrepareDialog(id, dialog); |
344 |
switch (id) { |
345 |
case DLG_PROGRESS: |
346 |
this.dialog = (ProgressDialog) dialog; |
347 |
if (!dialogMessage.equals("")) { |
348 |
this.dialog.setMessage(dialogMessage); |
349 |
dialogMessage = ""; |
350 |
} |
351 |
break; |
352 |
} |
353 |
} |
354 |
|
355 |
@Override |
356 |
protected void onListItemClick(ListView l, View v, int position, long id) { |
357 |
super.onListItemClick(l, v, position, id); |
358 |
|
359 |
StationBean station = stations.get(position); |
360 |
|
361 |
if (isLaunchedforShortcut == true) { |
362 |
Intent i = new Intent(); |
363 |
i.putExtra("station", station); |
364 |
setResult(Activity.RESULT_OK, i); |
365 |
finish(); |
366 |
} else { |
367 |
Intent intent = new Intent(this, DepartureList.class); |
368 |
intent.putExtra("stationbean", station); |
369 |
startActivity(intent); |
370 |
} |
371 |
} |
372 |
|
373 |
///////////////////////////////////////////////////////////// |
374 |
// |
375 |
|
376 |
public void startLookup() { |
377 |
isRunning = true; |
378 |
dialogMessage = getString( stationlist_waitforlocation ); |
379 |
showDialogSafe(DLG_PROGRESS); |
380 |
|
381 |
locationLookup.locateStations(); |
382 |
stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, 20000); |
383 |
} |
384 |
|
385 |
void startNameSearch(String name) { |
386 |
dialogMessage = getString( stationlist_findbyname ); |
387 |
showDialogSafe(DLG_PROGRESS); |
388 |
|
389 |
findStationsTask = new FindStationsTask(); |
390 |
findStationsTask.searchByName(name); |
391 |
findStationsTask.execute(); |
392 |
|
393 |
} |
394 |
|
395 |
public void startFavoriteLookup() { |
396 |
|
397 |
if (favorites.size() > 0) { |
398 |
dialogMessage = getString( stationlist_loadfavorites ); |
399 |
showDialogSafe(DLG_PROGRESS); |
400 |
|
401 |
findStationsTask = new FindStationsTask(); |
402 |
findStationsTask.searchByIds( favorites.toString() ); |
403 |
findStationsTask.execute(); |
404 |
} else { |
405 |
showMessageAndClose( getString( stationlist_nofavorites ) ); |
406 |
} |
407 |
} |
408 |
|
409 |
|
410 |
|
411 |
void startLocatorTask() |
412 |
{ |
413 |
dialogMessage = getString( stationlist_findingnearby ); |
414 |
showDialogSafe(DLG_PROGRESS); |
415 |
|
416 |
findStationsTask = new FindStationsTask(); |
417 |
findStationsTask.searchByLocation( locationLookup.getLocation() ); |
418 |
findStationsTask.execute(); |
419 |
} |
420 |
|
421 |
|
422 |
//////////////////////////////////////////////////////////////////////////// |
423 |
// Inner classes |
424 |
|
425 |
class StationsFetchedHandler extends Handler { |
426 |
@Override |
427 |
public void handleMessage(Message msg) { |
428 |
|
429 |
switch (msg.what) { |
430 |
case GOTLOCATION: |
431 |
dismissDialogSafe(DLG_PROGRESS); |
432 |
|
433 |
startLocatorTask(); |
434 |
location = GeoPair.fromLocation( locationLookup.getLocation() ); |
435 |
|
436 |
break; |
437 |
|
438 |
case NOPROVIDER: |
439 |
dismissDialogSafe(DLG_PROGRESS); |
440 |
MessageBox.showMessage(StationList.this, getString(stationlist_nolocationprovider), true ); |
441 |
//StationList.this.finish(); |
442 |
break; |
443 |
case LOCATIONFIXTIMEOUT: |
444 |
if (isRunning) { |
445 |
locationLookup.stopSearch(); |
446 |
if (locationLookup.hasLocation()) { |
447 |
stationsFetched.sendEmptyMessage( GOTLOCATION ); |
448 |
} else { |
449 |
dismissDialogSafe(DLG_PROGRESS); |
450 |
|
451 |
AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); |
452 |
builder.setMessage( getString( stationlist_gpstimeout) ); |
453 |
builder.setCancelable(true); |
454 |
builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() { |
455 |
public void onClick(DialogInterface dialog, int id) { |
456 |
dialog.dismiss(); |
457 |
startLookup(); |
458 |
|
459 |
} |
460 |
}); |
461 |
builder.setNegativeButton( getString(generic_cancel), new DialogInterface.OnClickListener() { |
462 |
public void onClick(DialogInterface dialog, int id) { |
463 |
dialog.dismiss(); |
464 |
} |
465 |
}); |
466 |
builderShowSafe(builder); // builder.show() |
467 |
|
468 |
} |
469 |
} |
470 |
break; |
471 |
} |
472 |
isRunning = false; |
473 |
} |
474 |
}; |
475 |
|
476 |
|
477 |
class FindStationsTask extends AsyncTask<Void,Void,Void> { |
478 |
|
479 |
LookupMethod method = LookupMethod.MethodNone; |
480 |
boolean success; |
481 |
String name; |
482 |
Location loc; |
483 |
String ids; |
484 |
|
485 |
public void searchByName(String n) { |
486 |
|
487 |
method = LookupMethod.ByName; |
488 |
name = n; |
489 |
} |
490 |
|
491 |
public void searchByLocation(Location l) { |
492 |
method = LookupMethod.ByLocation; |
493 |
loc = l; |
494 |
} |
495 |
|
496 |
public void searchByIds(String id) { |
497 |
|
498 |
method = LookupMethod.ByList; |
499 |
ids = id; |
500 |
} |
501 |
|
502 |
@Override |
503 |
protected void onPreExecute() { |
504 |
|
505 |
if (method.equals(LookupMethod.MethodNone)) |
506 |
throw new RuntimeException("Method not set"); |
507 |
super.onPreExecute(); |
508 |
} |
509 |
|
510 |
@Override |
511 |
protected Void doInBackground(Void... params) { |
512 |
|
513 |
switch (method) { |
514 |
case ByLocation: |
515 |
success = stationProvider.lookupStations(loc); |
516 |
break; |
517 |
case ByName: |
518 |
success = stationProvider.lookupStationsByName(name); |
519 |
break; |
520 |
case ByList: |
521 |
success = stationProvider.lookupStationsByIds(ids); |
522 |
break; |
523 |
default: |
524 |
success = false; // not possible |
525 |
} |
526 |
|
527 |
|
528 |
return null; |
529 |
} |
530 |
|
531 |
@Override |
532 |
protected void onPostExecute(Void result) { |
533 |
super.onPostExecute(result); |
534 |
dismissDialogSafe(dialog); |
535 |
|
536 |
|
537 |
if (success) { |
538 |
if (stationProvider.getStations().size() == 0) { |
539 |
showMessageAndClose(getString(stationlist_nostations)); |
540 |
} |
541 |
stations = stationProvider.getStations(); |
542 |
|
543 |
StationList.this.getListView().invalidateViews(); |
544 |
adapter.setStations( stations ); |
545 |
|
546 |
|
547 |
} else { //communication or parse errors |
548 |
AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); |
549 |
builder.setMessage(getString(stationlist_fetcherror)); |
550 |
builder.setCancelable(true); |
551 |
builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() { |
552 |
public void onClick(DialogInterface dialog, int id) { |
553 |
dialog.dismiss(); |
554 |
|
555 |
Runnable runner = null; |
556 |
switch (method) { |
557 |
case ByLocation: |
558 |
runner = new Runnable() { |
559 |
@Override |
560 |
public void run() { |
561 |
startLocatorTask(); |
562 |
} |
563 |
}; |
564 |
break; |
565 |
case ByName: |
566 |
runner = new Runnable() { |
567 |
@Override |
568 |
public void run() { |
569 |
startNameSearch( FindStationsTask.this.name ); |
570 |
} |
571 |
}; |
572 |
break; |
573 |
case ByList: |
574 |
runner = new Runnable() { |
575 |
@Override |
576 |
public void run() { |
577 |
startFavoriteLookup(); |
578 |
} |
579 |
}; |
580 |
break; |
581 |
} |
582 |
|
583 |
stationsFetched.post( runner ); |
584 |
} |
585 |
}); |
586 |
builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() { |
587 |
public void onClick(DialogInterface dialog, int id) { |
588 |
dialog.dismiss(); |
589 |
StationList.this.finish(); |
590 |
} |
591 |
}); |
592 |
|
593 |
builderShowSafe(builder); // builder.show() |
594 |
} |
595 |
} |
596 |
} |
597 |
|
598 |
|
599 |
class FavoritesMenu implements OnCreateContextMenuListener { |
600 |
private final static int FAVORITES_ADD = 9001; |
601 |
private final static int FAVORITES_REMOVE = 9002; |
602 |
|
603 |
private int selectedPosition; |
604 |
|
605 |
|
606 |
@Override |
607 |
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { |
608 |
|
609 |
AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo; |
610 |
selectedPosition = info.position; |
611 |
int stationID = stations.get(selectedPosition).getId(); |
612 |
|
613 |
if (!favorites.contains(stationID)) { |
614 |
menu.add(0, FAVORITES_ADD, 0, getString(stationlist_addfavorite) ); |
615 |
} else { |
616 |
menu.add(0, FAVORITES_REMOVE, 0, getString(stationlist_removefavorite) ); |
617 |
} |
618 |
|
619 |
} |
620 |
|
621 |
public void onContextItemSelected(MenuItem item) { |
622 |
StationBean sb = stations.get(selectedPosition); |
623 |
|
624 |
int stationID = sb.getId(); |
625 |
if (item.getItemId() == FAVORITES_ADD) { |
626 |
favorites.add(stationID); |
627 |
Toast.makeText(StationList.this, getString(stationlist_stationadded), Toast.LENGTH_SHORT).show(); |
628 |
} else { |
629 |
|
630 |
favorites.remove(stationID); |
631 |
Toast.makeText(StationList.this, getString(stationlist_stationremoved), Toast.LENGTH_SHORT).show(); |
632 |
|
633 |
|
634 |
if (listType.equals( WelcomeScreen.ListType.ListFavorites) ) { |
635 |
stations.remove(selectedPosition); |
636 |
adapter.notifyDataSetChanged(); |
637 |
} |
638 |
} |
639 |
Editor ed = prefs.edit(); |
640 |
ed.putString("favorites", favorites.toString()); |
641 |
ed.commit(); |
642 |
} |
643 |
} |
644 |
} |