thoerup/traininfo/StationList.java

package dk.thoerup.traininfo;

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

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.location.Address;
import android.location.Geocoder;
import android.location.Location;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.ContextMenu;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.View.OnCreateContextMenuListener;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Toast;
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 GOTLOCATION = 1001;
        public static final int GOTSTATIONLIST = 1002;
        public static final int NOPROVIDER = 1003;
        public static final int LOCATIONFIXTIMEOUT = 1004;
        
        public static final int OPTIONS_MAP = 2003;
        public static final int OPTIONS_GPSINFO = 2004;

        
        public static final int DLG_PROGRESS = 3001;
        public static final int DLG_STATIONNAME = 3002;
        
        static enum LookupMethod {
                ByLocation,
                ByName,
                ByList,
                MethodNone
        }
        
        
        String dialogMessage = "";
        ProgressDialog dialog;
        LocationLookup locationLookup = null;
        FindStationsTask findStationsTask;
        StationsFetchedHandler stationsFetched = new StationsFetchedHandler();
        
        GeoPair location = new GeoPair();
        
        boolean isRunning = false;
        List<StationBean> stations = new ArrayList<StationBean>();
        
        StationProvider stationProvider = ProviderFactory.getStationProvider();
                
        StationListAdapter adapter = null;
        
        FavoritesMenu contextMenu = new FavoritesMenu();
        IntSet favorites = new IntSet();

        WelcomeScreen.ListType listType;
        SharedPreferences prefs;
        
        ///////////////////////////////////////////////////////////////////////////////////////////
        //Activity call backs
        
        @SuppressWarnings("unchecked")
        @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, stationsFetched);
                

                prefs = getSharedPreferences("TrainStation", 0);
                String favoriteString = prefs.getString("favorites", "");
                if (! favoriteString.equals("") ) {
                        favorites.fromString(favoriteString);
                }
                
                listType = (WelcomeScreen.ListType) getIntent().getSerializableExtra("type");
                setTitle();
                
                if (savedInstanceState == null) {

                        
                        switch (listType) {
                        case ListNearest:
                                startLookup();
                                break;
                        case ListSearch:
                                this.showDialog(DLG_STATIONNAME);
                                break;
                        case ListFavorites:
                                startFavoriteLookup();
                                break;
                        default:
                                // Not possible !?!
                        }
                        
                } else {
                        stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations");
                        adapter.setStations(stations);
                        location = (GeoPair) savedInstanceState.getSerializable("location");
                }
                
        }
        protected void setTitle() {
                String dialogTitle = getResources().getString(R.string.app_name);
                switch (listType) {
                case ListNearest:
                        dialogTitle += " - Nearby stations";
                        break;
                case ListSearch:
                        dialogTitle += " - Search";
                        break;
                case ListFavorites:
                        dialogTitle += " - Favorites";
                        break;
                default:
                        dialogTitle = "";//not possible                                 
                }
        
                setTitle(dialogTitle);
        }
        
        
    @Override 
    public void onSaveInstanceState(Bundle outState) 
    {
        if (dialog != null && dialog.isShowing())
                dialog.dismiss();
        outState.putSerializable("stations", (ArrayList<StationBean>) stations);
        outState.putSerializable("location", location);
        
    }
        
        
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
                MenuItem item;
                                
                item = menu.add(0, OPTIONS_MAP, 0, "Station map");
                item.setIcon(android.R.drawable.ic_menu_mapmode);
                
                item = menu.add(0, OPTIONS_GPSINFO, 0, "GPS Info");
                item.setIcon(android.R.drawable.ic_menu_mapmode);               
                
                return true;
        }

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

                //TODO: Cleanup
                switch (item.getItemId()) {
                case OPTIONS_MAP:
                        
                        Intent intent = new Intent(this,StationMapView.class);
                        
                        ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>();
                        for (StationBean st : stations ) {
                                stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) );
                        }
                        
                        intent.putExtra("stations", stationPoints);
                        
                        startActivity(intent);
                        break;
                case OPTIONS_GPSINFO:
                        Location loc = locationLookup.getLocation();
                        StringBuffer message = new StringBuffer();
                        message.append("Location info:\n");
                        message.append("-Obtained by: ").append(loc != null ? loc.getProvider() : "-").append("\n");
                        message.append("-Accuracy: ").append(loc != null ? (int)loc.getAccuracy() : "-").append("m\n");

                        MessageBox.showMessage(this, message.toString());
                        break;
                default:
                        retval = super.onOptionsItemSelected(item);
                }
                
                return retval;
        }
        
        
        @Override
        public boolean onContextItemSelected(MenuItem item) {
                contextMenu.onContextItemSelected(item);
                return true;


        }


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

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


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

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

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

                findStationsTask = new FindStationsTask();
                findStationsTask.searchByName(name, locationLookup.getLocation());
                findStationsTask.execute();
                
        }
        
        public void startFavoriteLookup() {
                
                if (favorites.size() > 0) {
                        dialogMessage = "Loading favorites";
                        showDialog(DLG_PROGRESS);

                        findStationsTask = new FindStationsTask();
                        findStationsTask.searchByIds(favorites.toString(), locationLookup.getLocation());
                        findStationsTask.execute();
                } else {
                        MessageBox.showMessage(this, "Favorite list is empty");
                }
        }


        void startLocatorTask()
        {
                dialogMessage = "Finding nearby stations"; 
                showDialog(DLG_PROGRESS);
                
                findStationsTask = new FindStationsTask();
                findStationsTask.searchByLocation( locationLookup.getLocation() );
                findStationsTask.execute();     
        }
        

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

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

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

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

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

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

                        if (method.equals(LookupMethod.MethodNone))
                                throw new RuntimeException("Method not set");
                        super.onPreExecute();
                }
                
                @Override
                protected Void doInBackground(Void... params) {

                        switch (method) {
                        case ByLocation:
                                success = stationProvider.lookupStations(loc);
                                break;
                        case ByName:
                                success = stationProvider.lookupStationsByName(name);
                                break;
                        case ByList:
                                success = stationProvider.lookupStationsByIds(ids);
                                break;
                        default:
                                success = false; // not possible        
                        }
                        
                        
                        Location dummy = new Location("gps");
                        List<StationBean> stations = stationProvider.getStations();
                        
                        for (StationBean station : stations) { 
                                String addr = lookupAddress(station.getLatitude(), station.getLongitude());
                                station.setAddress(addr);
                                
                                
                                if (method.equals(LookupMethod.ByName) || method.equals(LookupMethod.ByList)) {
                                        if (loc != null) { //only do the distance calc if we have a location
                                                dummy.setLatitude(station.getLatitude());
                                                dummy.setLongitude(station.getLongitude());
                                                station.setDistance( (int)loc.distanceTo(dummy) );
                                        } else {
                                                station.setDistance(0);
                                        }
                                }

                        }                                               
                        
                        return null;
                }

                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        dialog.dismiss();
                        
                        
                        if (success) {                          
                                if (stationProvider.getStations().size() == 0)
                                        MessageBox.showMessage(StationList.this, "No stations found!"); // this should not be possible !?!
                                stations = stationProvider.getStations();
                                adapter.setStations( stations );                                
                                
                        } else { //communication or parse errors
                                AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);                                                
                                builder.setMessage("Error on finding nearby stations");
                                builder.setCancelable(true);
                                builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                                
                                                stationsFetched.post( new Runnable() {
                                                        @Override
                                                        public void run() {
                                                                startLocatorTask();                                                             
                                                        }
                                                });
                                        }
                                });
                                builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                        }                                                       
                                });                                                                                             
                                builder.show();                         
                        }
                }
        }
        
        
        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.get(selectedPosition).getId();

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