thoerup/traininfo/StationList.java

package dk.thoerup.traininfo;

import static dk.thoerup.traininfo.R.string.app_name;
import static dk.thoerup.traininfo.R.string.generic_cancel;
import static dk.thoerup.traininfo.R.string.generic_retry;
import static dk.thoerup.traininfo.R.string.stationlist_accuracy;
import static dk.thoerup.traininfo.R.string.stationlist_addfavorite;
import static dk.thoerup.traininfo.R.string.stationlist_favorites;
import static dk.thoerup.traininfo.R.string.stationlist_gpsinfo;
import static dk.thoerup.traininfo.R.string.stationlist_gpstimeout;
import static dk.thoerup.traininfo.R.string.stationlist_latitude;
import static dk.thoerup.traininfo.R.string.stationlist_locationinfo;
import static dk.thoerup.traininfo.R.string.stationlist_longitude;
import static dk.thoerup.traininfo.R.string.stationlist_nearbystations;
import static dk.thoerup.traininfo.R.string.stationlist_nofavorites;
import static dk.thoerup.traininfo.R.string.stationlist_nolocationprovider;
import static dk.thoerup.traininfo.R.string.stationlist_obtainedby;
import static dk.thoerup.traininfo.R.string.stationlist_removefavorite;
import static dk.thoerup.traininfo.R.string.stationlist_satellitecount;
import static dk.thoerup.traininfo.R.string.stationlist_search;
import static dk.thoerup.traininfo.R.string.stationlist_stationadded;
import static dk.thoerup.traininfo.R.string.stationlist_stationmap;
import static dk.thoerup.traininfo.R.string.stationlist_stationremoved;
import static dk.thoerup.traininfo.R.string.stationlist_waitforlocation;

import java.util.ArrayList;

import android.app.Activity;
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.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.location.Location;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnCreateContextMenuListener;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import dk.thoerup.android.traininfo.common.StationBean;
import dk.thoerup.android.traininfo.common.StationEntry;
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.IntSet;
import dk.thoerup.traininfo.util.MessageBox;

public class StationList extends ListActivity  {

        
        public static final int OPTIONS_MAP = 103;
        public static final int OPTIONS_GPSINFO = 104;
        
        public static final int DLG_PROGRESS = 3001;
        
        
        public static final int GPS_TIMEOUT_MS = 15000; //how long are we willing to wait for gps fix -in milliseconds
        
        
        static enum LookupMethod {
                ByLocation,
                ByName,
                ByList,
                MethodNone
        }
        
        
        String dialogMessage = "";
        ProgressDialog dialog;
        LocationLookup locationLookup = null;
        StationsFetchedHandler stationsFetched = new StationsFetchedHandler();
        
        //GeoPair location = new GeoPair();

        boolean isLaunchedforShortcut;

        StationBean stations = new StationBean();
        
        StationProvider stationProvider = ProviderFactory.getStationProvider();
                
        StationListAdapter adapter = null;
        
        FavoritesMenu contextMenu = new FavoritesMenu();
        IntSet favorites = new IntSet();

        WelcomeScreen.ListType listType;
        SharedPreferences prefs;
                        
        ///////////////////////////////////////////////////////////////////////////////////////////
        //Activity call backs
        

        @Override
        public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.stationlist);
                
                
                adapter = new StationListAdapter(this);
                setListAdapter(adapter);
                
                ListView lv = getListView();
                lv.setOnCreateContextMenuListener(contextMenu);
                
                locationLookup = new LocationLookup(this);
                

                prefs = getSharedPreferences("TrainStation", 0);
                String favoriteString = prefs.getString("favorites", "");
                if (! favoriteString.equals("") ) {
                        favorites.fromString(favoriteString);
                }
                
                listType = (WelcomeScreen.ListType) getIntent().getSerializableExtra("type");
                setTitle();
                
                isLaunchedforShortcut = getIntent().getBooleanExtra("shortcut", false);
                
                ProviderFactory.purgeOldEntries(); //cleanup before fetching more data
                
                if (savedInstanceState == null) {

                        
                        switch (listType) {
                        case ListNearest:
                                startNearestLookup();
                                break;
                        case ListSearch:                                
                                enableNamesearchField();
                                break;
                        case ListFavorites:
                                startFavoriteLookup();
                                break;
                        default:
                                // Not possible !?!
                        }
                        
                } else {
                        stations = (StationBean) savedInstanceState.getSerializable("stations");
                        adapter.setStations(stations);
                }
                
        }
        
        
        @Override
        protected void onDestroy() {
                super.onDestroy();
                
                stationsFetched.removeMessages(0);
                
                
                if (locationLookup != null) {
                        locationLookup.stopSearch();
                }
        
        }

        
        protected void setTitle() {
                String dialogTitle = getResources().getString(app_name);
                switch (listType) {
                case ListNearest:
                        dialogTitle += " - " + getString(stationlist_nearbystations);
                        break;
                case ListSearch:
                        dialogTitle += " - " + getString(stationlist_search);
                        break;
                case ListFavorites:
                        dialogTitle += " - " + getString(stationlist_favorites);
                        break;
                default:
                        dialogTitle = "";//not possible                                 
                }
        
                setTitle(dialogTitle);
                
        }
        
        
        public void enableNamesearchField() {
                final TextView stationSearch = (TextView) findViewById(R.id.stationsearch);
                stationSearch.setVisibility( View.VISIBLE );
                stationSearch.addTextChangedListener( new TextWatcher() {

                        @Override
                        public void afterTextChanged(Editable s) {
                                if (s.length() > 0) {
                                        startNameLookup( s.toString() );
                                } else {
                                        stations = new StationBean();
                                        getListView().invalidateViews();
                                        adapter.setStations( stations );        
                                }
                        }

                        @Override
                        public void beforeTextChanged(CharSequence s, int start, int count, int after) {
                        }

                        @Override
                        public void onTextChanged(CharSequence s, int start, int before, int count) {
                        }
                        
                });
                
                
        }
                

    @Override 
    public void onSaveInstanceState(Bundle outState) 
    {
        if (dialog != null && dialog.isShowing())
                dialog.dismiss();
        outState.putSerializable("stations", (StationBean) stations);
        
    }
        
        
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
                MenuItem item;
                
                item = menu.add(0, OPTIONS_MAP, 0, getString(stationlist_stationmap));
                item.setIcon(android.R.drawable.ic_menu_mapmode);
                
                item = menu.add(0, OPTIONS_GPSINFO, 0, getString(stationlist_gpsinfo));
                item.setIcon(android.R.drawable.ic_menu_info_details);
                boolean hasLoc = (locationLookup.getLocation() != null);
                item.setEnabled(hasLoc);
                
                return true;
        }
        

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


                switch (item.getItemId()) {
                case OPTIONS_MAP:
                        
                        if ( stations == null || stations.entries == null || stations.entries.size() == 0 ) {
                                Toast.makeText(this, "No stations to show on map", Toast.LENGTH_SHORT).show(); //TODO: Translate
                                return true;
                        }
                        
                        Intent intent = new Intent(this,StationMapView.class);
                        
                        ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>();
                        for (StationEntry st : stations.entries ) {
                                stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) );
                        }
                        
                        intent.putExtra("stations", stationPoints);
                        
                        startActivity(intent);
                        break;
                case OPTIONS_GPSINFO:
                        Location loc = locationLookup.getLocation();
                        StringBuffer message = new StringBuffer();
                        message.append( getString(stationlist_locationinfo) ).append(":\n");
                         
                        message.append( getString(stationlist_obtainedby) ).append( loc.getProvider() ).append("\n");
                        message.append( getString(stationlist_accuracy) ).append( (int)loc.getAccuracy()).append("m\n");
                        message.append( getString(stationlist_latitude) ).append( (float)loc.getLatitude()).append("\n");
                        message.append( getString(stationlist_longitude) ).append( (float)loc.getLongitude() ).append("\n");
                                                
                        
                        MessageBox.showMessage(this, message.toString(), false);
                        break;
                default:
                        retval = super.onOptionsItemSelected(item);
                }
                
                return retval;
        }
        
        
        @Override
        public boolean onContextItemSelected(MenuItem item) {
                contextMenu.onContextItemSelected(item);
                return true;


        }
        
        public void showMessageAndClose(String message) {
                AlertDialog.Builder builder = new AlertDialog.Builder(this);
                builder.setMessage(message)
                .setCancelable(false)
                .setPositiveButton("OK", new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int id) {
                                dialog.dismiss();
                                StationList.this.finish();
                        }
                })
                .show();
        }


        @Override
        protected Dialog onCreateDialog(int id) {
                switch (id) {
                case DLG_PROGRESS:
                        ProgressDialog dlg = new ProgressDialog(this);
                        dlg.setMessage( getString(stationlist_waitforlocation) );
                        dlg.setCancelable(false);
                        return dlg;                     
                        
                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);
                                
                StationEntry station = stations.entries.get(position);
                
                if (isLaunchedforShortcut == true) {
                        Intent i = new Intent();
                        i.putExtra("station", station);
                        setResult(Activity.RESULT_OK, i);
                        finish();
                } else {                
                        Intent intent = new Intent(this, DepartureList.class);
                        intent.putExtra("stationbean", station);
                        startActivity(intent);
                }
        }

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

        public void startNearestLookup() {
                dialogMessage = getString( stationlist_waitforlocation );
                showDialog(DLG_PROGRESS);
                
                locationLookup.locateStations();
                stationsFetched.sendEmptyMessageDelayed(0, 500);
        }
        
        void startNameLookup(String name) {
                
                stations = stationProvider.lookupStationsByName(name);
                getListView().invalidateViews();
                adapter.setStations( stations );                                
        }
        
        public void startFavoriteLookup() {
                
                if (favorites.size() > 0) {
                        
                        stations = stationProvider.lookupStationsByIds( favorites.toString() );
                        getListView().invalidateViews();
                        adapter.setStations( stations );                
                        
                        
                } else {
                        showMessageAndClose( getString( stationlist_nofavorites ) );
                }
        }


        void startNearestLookupPhase2()
        {       
                stations = stationProvider.lookupStationsByLocation( locationLookup.getLocation() );
                getListView().invalidateViews();
                adapter.setStations( stations );
        }
                
        
        ////////////////////////////////////////////////////////////////////////////
        // Inner classes

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

                        LocationLookup.LookupStates state = locationLookup.getState();


                        switch (state) {
                        case GOTLOCATION:
                                dismissDialog(DLG_PROGRESS);

                                startNearestLookupPhase2();

                                return;

                        case NOPROVIDER:
                                dismissDialog(DLG_PROGRESS);
                                MessageBox.showMessage(StationList.this, getString(stationlist_nolocationprovider), true );
                                //StationList.this.finish();
                                return;
                        case IDLE:
                                Log.e("TrainInfo", "How did this happen ???");
                                dismissDialog(DLG_PROGRESS); // how did we get here ??
                                return;
                                
                        }


                        if (locationLookup.elapsedTime() >=  GPS_TIMEOUT_MS) {
                                dismissDialog(DLG_PROGRESS);


                                locationLookup.stopSearch();

                                if (locationLookup.hasLocation()) {
                                        startNearestLookupPhase2();
                                } else {                                                
                                        AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);                                                
                                        builder.setMessage(  getString( stationlist_gpstimeout) );
                                        builder.setCancelable(true);
                                        builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
                                                public void onClick(DialogInterface dialog, int id) {
                                                        dialog.dismiss();
                                                        startNearestLookup();

                                                }
                                        });
                                        builder.setNegativeButton( getString(generic_cancel), new DialogInterface.OnClickListener() {
                                                public void onClick(DialogInterface dialog, int id) {
                                                        dialog.dismiss();
                                                        StationList.this.finish(); // Close this Activity
                                                }                                                       
                                        });
                                        builder.show(); 

                                }
                        } else {
                                if (locationLookup.hasGps()) {
                                        int count = locationLookup.getSatCount();
                                        String dialogMessage = getString( stationlist_waitforlocation ) + "\n" + getString( stationlist_satellitecount ) + ": " + count;
                                        dialog.setMessage( dialogMessage );
                                }
                                this.sendEmptyMessageDelayed(0, 500);
                        }
                        
                }
        }


        class FavoritesMenu implements OnCreateContextMenuListener {
                private final static int FAVORITES_ADD = 9001;
                private final static int FAVORITES_REMOVE = 9002;
                
                private int selectedPosition;
                
                
                @Override
                public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
                                                
                        AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
                        selectedPosition = info.position;
                        int stationID = stations.entries.get(selectedPosition).getId();

                        if (!favorites.contains(stationID)) {
                                menu.add(0, FAVORITES_ADD, 0, getString(stationlist_addfavorite) );
                        } else {
                                menu.add(0, FAVORITES_REMOVE, 0, getString(stationlist_removefavorite) );
                        }
                        
                }
                
                public void onContextItemSelected(MenuItem item) {
                        StationEntry sb = stations.entries.get(selectedPosition);
                        
                        int stationID = sb.getId();
                        if (item.getItemId() == FAVORITES_ADD) {
                                favorites.add(stationID);
                                Toast.makeText(StationList.this, getString(stationlist_stationadded), Toast.LENGTH_SHORT).show();
                        } else {
                                
                                favorites.remove(stationID);
                                Toast.makeText(StationList.this, getString(stationlist_stationremoved), Toast.LENGTH_SHORT).show();
                                
                                
                                if (listType.equals( WelcomeScreen.ListType.ListFavorites) ) {
                                        stations.entries.remove(selectedPosition);
                                        adapter.notifyDataSetChanged();
                                }
                        }
                        Editor ed = prefs.edit();
                        ed.putString("favorites", favorites.toString());
                        ed.commit();
                }
        }
}
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	}