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.WelcomeScreen.ListType;
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);
                
                listType = (WelcomeScreen.ListType) getIntent().getSerializableExtra("type");
                
                adapter = new StationListAdapter(this, (listType == ListType.ListNearest) );
                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);
                }
                
                setTitle();
                
                isLaunchedforShortcut = getIntent().getBooleanExtra("shortcut", false);
                
                ProviderFactory.purgeOldEntries(); //cleanup before fetching more data
                
                if (listType == ListType.ListSearch) {
                        enableNamesearchField();
                }
                
                if (savedInstanceState == null) {
                
                        switch (listType) {
                        case ListNearest:
                                startNearestLookup();
                                break;
                        case ListSearch:                                
                                // do nothing here
                                break;
                        case ListFavorites:
                                startFavoriteLookup();
                                break;
                        default:
                                // Not possible !?!
                        }
                        
                } else {
                        ((TextView)findViewById(R.id.stationsearch)).setText(  savedInstanceState.getString( "search") );
                        
                        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);
        outState.putString("search", ((TextView)findViewById(R.id.stationsearch)).getText().toString() );
        
    }
        
        
        @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.WelcomeScreen.ListType;
57	import dk.thoerup.traininfo.provider.ProviderFactory;
58	import dk.thoerup.traininfo.provider.StationProvider;
59	import dk.thoerup.traininfo.stationmap.GeoPair;
60	import dk.thoerup.traininfo.stationmap.StationMapView;
61	import dk.thoerup.traininfo.util.IntSet;
62	import dk.thoerup.traininfo.util.MessageBox;
63
64	public class StationList extends ListActivity {
65
66
67
68	public static final int OPTIONS_MAP = 103;
69	public static final int OPTIONS_GPSINFO = 104;
70
71	public static final int DLG_PROGRESS = 3001;
72
73
74	public static final int GPS_TIMEOUT_MS = 15000; //how long are we willing to wait for gps fix -in milliseconds
75
76
77	static enum LookupMethod {
78	ByLocation,
79	ByName,
80	ByList,
81	MethodNone
82	}
83
84
85	String dialogMessage = "";
86	ProgressDialog dialog;
87	LocationLookup locationLookup = null;
88	StationsFetchedHandler stationsFetched = new StationsFetchedHandler();
89
90	//GeoPair location = new GeoPair();
91
92	boolean isLaunchedforShortcut;
93
94	StationBean stations = new StationBean();
95
96	StationProvider stationProvider = ProviderFactory.getStationProvider();
97
98	StationListAdapter adapter = null;
99
100	FavoritesMenu contextMenu = new FavoritesMenu();
101	IntSet favorites = new IntSet();
102
103	WelcomeScreen.ListType listType;
104	SharedPreferences prefs;
105
106	///////////////////////////////////////////////////////////////////////////////////////////
107	//Activity call backs
108
109
110	@Override
111	public void onCreate(Bundle savedInstanceState) {
112	super.onCreate(savedInstanceState);
113	setContentView(R.layout.stationlist);
114
115	listType = (WelcomeScreen.ListType) getIntent().getSerializableExtra("type");
116
117	adapter = new StationListAdapter(this, (listType == ListType.ListNearest) );
118	setListAdapter(adapter);
119
120	ListView lv = getListView();
121	lv.setOnCreateContextMenuListener(contextMenu);
122
123	locationLookup = new LocationLookup(this);
124
125
126	prefs = getSharedPreferences("TrainStation", 0);
127	String favoriteString = prefs.getString("favorites", "");
128	if (! favoriteString.equals("") ) {
129	favorites.fromString(favoriteString);
130	}
131
132	setTitle();
133
134	isLaunchedforShortcut = getIntent().getBooleanExtra("shortcut", false);
135
136	ProviderFactory.purgeOldEntries(); //cleanup before fetching more data
137
138	if (listType == ListType.ListSearch) {
139	enableNamesearchField();
140	}
141
142	if (savedInstanceState == null) {
143
144	switch (listType) {
145	case ListNearest:
146	startNearestLookup();
147	break;
148	case ListSearch:
149	// do nothing here
150	break;
151	case ListFavorites:
152	startFavoriteLookup();
153	break;
154	default:
155	// Not possible !?!
156	}
157
158	} else {
159	((TextView)findViewById(R.id.stationsearch)).setText( savedInstanceState.getString( "search") );
160
161	stations = (StationBean) savedInstanceState.getSerializable("stations");
162	adapter.setStations(stations);
163	}
164
165	}
166
167
168
169
170
171
172	@Override
173	protected void onDestroy() {
174	super.onDestroy();
175
176	stationsFetched.removeMessages(0);
177
178
179	if (locationLookup != null) {
180	locationLookup.stopSearch();
181	}
182
183	}
184
185
186	protected void setTitle() {
187	String dialogTitle = getResources().getString(app_name);
188	switch (listType) {
189	case ListNearest:
190	dialogTitle += " - " + getString(stationlist_nearbystations);
191	break;
192	case ListSearch:
193	dialogTitle += " - " + getString(stationlist_search);
194	break;
195	case ListFavorites:
196	dialogTitle += " - " + getString(stationlist_favorites);
197	break;
198	default:
199	dialogTitle = "";//not possible
200	}
201
202	setTitle(dialogTitle);
203
204	}
205
206
207	public void enableNamesearchField() {
208	final TextView stationSearch = (TextView) findViewById(R.id.stationsearch);
209	stationSearch.setVisibility( View.VISIBLE );
210	stationSearch.addTextChangedListener( new TextWatcher() {
211
212	@Override
213	public void afterTextChanged(Editable s) {
214	if (s.length() > 0) {
215	startNameLookup( s.toString() );
216	} else {
217	stations = new StationBean();
218	getListView().invalidateViews();
219	adapter.setStations( stations );
220	}
221	}
222
223	@Override
224	public void beforeTextChanged(CharSequence s, int start, int count, int after) {
225	}
226
227	@Override
228	public void onTextChanged(CharSequence s, int start, int before, int count) {
229	}
230
231	});
232
233
234	}
235
236
237	@Override
238	public void onSaveInstanceState(Bundle outState)
239	{
240	if (dialog != null && dialog.isShowing())
241	dialog.dismiss();
242	outState.putSerializable("stations", (StationBean) stations);
243	outState.putString("search", ((TextView)findViewById(R.id.stationsearch)).getText().toString() );
244
245	}
246
247
248
249	@Override
250	public boolean onCreateOptionsMenu(Menu menu) {
251	MenuItem item;
252
253	item = menu.add(0, OPTIONS_MAP, 0, getString(stationlist_stationmap));
254	item.setIcon(android.R.drawable.ic_menu_mapmode);
255
256	item = menu.add(0, OPTIONS_GPSINFO, 0, getString(stationlist_gpsinfo));
257	item.setIcon(android.R.drawable.ic_menu_info_details);
258	boolean hasLoc = (locationLookup.getLocation() != null);
259	item.setEnabled(hasLoc);
260
261	return true;
262	}
263
264
265
266
267	@Override
268	public boolean onOptionsItemSelected(MenuItem item) {
269	boolean retval = true;
270
271
272	switch (item.getItemId()) {
273	case OPTIONS_MAP:
274
275	if ( stations == null \|\| stations.entries == null \|\| stations.entries.size() == 0 ) {
276	Toast.makeText(this, "No stations to show on map", Toast.LENGTH_SHORT).show(); //TODO: Translate
277	return true;
278	}
279
280	Intent intent = new Intent(this,StationMapView.class);
281
282	ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>();
283	for (StationEntry st : stations.entries ) {
284	stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) );
285	}
286
287	intent.putExtra("stations", stationPoints);
288
289	startActivity(intent);
290	break;
291	case OPTIONS_GPSINFO:
292	Location loc = locationLookup.getLocation();
293	StringBuffer message = new StringBuffer();
294	message.append( getString(stationlist_locationinfo) ).append(":\n");
295
296	message.append( getString(stationlist_obtainedby) ).append( loc.getProvider() ).append("\n");
297	message.append( getString(stationlist_accuracy) ).append( (int)loc.getAccuracy()).append("m\n");
298	message.append( getString(stationlist_latitude) ).append( (float)loc.getLatitude()).append("\n");
299	message.append( getString(stationlist_longitude) ).append( (float)loc.getLongitude() ).append("\n");
300
301
302	MessageBox.showMessage(this, message.toString(), false);
303	break;
304	default:
305	retval = super.onOptionsItemSelected(item);
306	}
307
308	return retval;
309	}
310
311
312
313	@Override
314	public boolean onContextItemSelected(MenuItem item) {
315	contextMenu.onContextItemSelected(item);
316	return true;
317
318
319	}
320
321	public void showMessageAndClose(String message) {
322	AlertDialog.Builder builder = new AlertDialog.Builder(this);
323	builder.setMessage(message)
324	.setCancelable(false)
325	.setPositiveButton("OK", new DialogInterface.OnClickListener() {
326	public void onClick(DialogInterface dialog, int id) {
327	dialog.dismiss();
328	StationList.this.finish();
329	}
330	})
331	.show();
332	}
333
334
335
336
337	@Override
338	protected Dialog onCreateDialog(int id) {
339	switch (id) {
340	case DLG_PROGRESS:
341	ProgressDialog dlg = new ProgressDialog(this);
342	dlg.setMessage( getString(stationlist_waitforlocation) );
343	dlg.setCancelable(false);
344	return dlg;
345
346	default:
347	return super.onCreateDialog(id);
348	}
349
350	}
351
352
353	@Override
354	protected void onPrepareDialog(int id, Dialog dialog) {
355	super.onPrepareDialog(id, dialog);
356	switch (id) {
357	case DLG_PROGRESS:
358	this.dialog = (ProgressDialog) dialog;
359	if (!dialogMessage.equals("")) {
360	this.dialog.setMessage(dialogMessage);
361	dialogMessage = "";
362	}
363	break;
364	}
365	}
366
367	@Override
368	protected void onListItemClick(ListView l, View v, int position, long id) {
369	super.onListItemClick(l, v, position, id);
370
371	StationEntry station = stations.entries.get(position);
372
373	if (isLaunchedforShortcut == true) {
374	Intent i = new Intent();
375	i.putExtra("station", station);
376	setResult(Activity.RESULT_OK, i);
377	finish();
378	} else {
379	Intent intent = new Intent(this, DepartureList.class);
380	intent.putExtra("stationbean", station);
381	startActivity(intent);
382	}
383	}
384
385	/////////////////////////////////////////////////////////////
386	//
387
388	public void startNearestLookup() {
389	dialogMessage = getString( stationlist_waitforlocation );
390	showDialog(DLG_PROGRESS);
391
392	locationLookup.locateStations();
393	stationsFetched.sendEmptyMessageDelayed(0, 500);
394	}
395
396	void startNameLookup(String name) {
397
398	stations = stationProvider.lookupStationsByName(name);
399	getListView().invalidateViews();
400	adapter.setStations( stations );
401	}
402
403	public void startFavoriteLookup() {
404
405	if (favorites.size() > 0) {
406
407	stations = stationProvider.lookupStationsByIds( favorites.toString() );
408	getListView().invalidateViews();
409	adapter.setStations( stations );
410
411
412	} else {
413	showMessageAndClose( getString( stationlist_nofavorites ) );
414	}
415	}
416
417
418
419	void startNearestLookupPhase2()
420	{
421	stations = stationProvider.lookupStationsByLocation( locationLookup.getLocation() );
422	getListView().invalidateViews();
423	adapter.setStations( stations );
424	}
425
426
427	////////////////////////////////////////////////////////////////////////////
428	// Inner classes
429
430	class StationsFetchedHandler extends Handler {
431	@Override
432	public void handleMessage(Message msg) {
433
434	LocationLookup.LookupStates state = locationLookup.getState();
435
436
437	switch (state) {
438	case GOTLOCATION:
439	dismissDialog(DLG_PROGRESS);
440
441	startNearestLookupPhase2();
442
443	return;
444
445	case NOPROVIDER:
446	dismissDialog(DLG_PROGRESS);
447	MessageBox.showMessage(StationList.this, getString(stationlist_nolocationprovider), true );
448	//StationList.this.finish();
449	return;
450	case IDLE:
451	Log.e("TrainInfo", "How did this happen ???");
452	dismissDialog(DLG_PROGRESS); // how did we get here ??
453	return;
454
455	}
456
457
458
459	if (locationLookup.elapsedTime() >= GPS_TIMEOUT_MS) {
460	dismissDialog(DLG_PROGRESS);
461
462
463	locationLookup.stopSearch();
464
465	if (locationLookup.hasLocation()) {
466	startNearestLookupPhase2();
467	} else {
468	AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
469	builder.setMessage( getString( stationlist_gpstimeout) );
470	builder.setCancelable(true);
471	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
472	public void onClick(DialogInterface dialog, int id) {
473	dialog.dismiss();
474	startNearestLookup();
475
476	}
477	});
478	builder.setNegativeButton( getString(generic_cancel), new DialogInterface.OnClickListener() {
479	public void onClick(DialogInterface dialog, int id) {
480	dialog.dismiss();
481	StationList.this.finish(); // Close this Activity
482	}
483	});
484	builder.show();
485
486	}
487	} else {
488	if (locationLookup.hasGps()) {
489	int count = locationLookup.getSatCount();
490	String dialogMessage = getString( stationlist_waitforlocation ) + "\n" + getString( stationlist_satellitecount ) + ": " + count;
491	dialog.setMessage( dialogMessage );
492	}
493	this.sendEmptyMessageDelayed(0, 500);
494	}
495
496	}
497	}
498
499
500
501
502	class FavoritesMenu implements OnCreateContextMenuListener {
503	private final static int FAVORITES_ADD = 9001;
504	private final static int FAVORITES_REMOVE = 9002;
505
506	private int selectedPosition;
507
508
509	@Override
510	public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
511
512	AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
513	selectedPosition = info.position;
514	int stationID = stations.entries.get(selectedPosition).getId();
515
516	if (!favorites.contains(stationID)) {
517	menu.add(0, FAVORITES_ADD, 0, getString(stationlist_addfavorite) );
518	} else {
519	menu.add(0, FAVORITES_REMOVE, 0, getString(stationlist_removefavorite) );
520	}
521
522	}
523
524	public void onContextItemSelected(MenuItem item) {
525	StationEntry sb = stations.entries.get(selectedPosition);
526
527	int stationID = sb.getId();
528	if (item.getItemId() == FAVORITES_ADD) {
529	favorites.add(stationID);
530	Toast.makeText(StationList.this, getString(stationlist_stationadded), Toast.LENGTH_SHORT).show();
531	} else {
532
533	favorites.remove(stationID);
534	Toast.makeText(StationList.this, getString(stationlist_stationremoved), Toast.LENGTH_SHORT).show();
535
536
537	if (listType.equals( WelcomeScreen.ListType.ListFavorites) ) {
538	stations.entries.remove(selectedPosition);
539	adapter.notifyDataSetChanged();
540	}
541	}
542	Editor ed = prefs.edit();
543	ed.putString("favorites", favorites.toString());
544	ed.commit();
545	}
546	}
547	}