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_RESCAN = 2001;
        public static final int OPTIONS_NAMESEARCH = 2002;
        public static final int OPTIONS_MAP = 2003;
        public static final int OPTIONS_ABOUT = 2004;
        public static final int OPTIONS_FAVORITES = 2005;
        

        public static final int DLG_PROGRESS = 3001;
        public static final int DLG_STATIONNAME = 3002;
        
        /** Called when the activity is first created. */
        String dialogMessage = "";
        ProgressDialog dialog;
        LocationLookup locator = null;
        LocatorTask locatorTask;
        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();
        
        static enum LookupMethod {
                ByLocation,
                ByName,
                ByList,
                MethodNone
        }
        
        SharedPreferences prefs;
        
        ///////////////////////////////////////////////////////////////////////////////////////////
        //Activity call backs
        
        @SuppressWarnings("unchecked")
        @Override
        public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.main);
                
                
                adapter = new StationListAdapter(this);
                setListAdapter(adapter);
                
                ListView lv = getListView();
                lv.setOnCreateContextMenuListener(contextMenu);
                
                locator = new LocationLookup(this, stationsFetched);
                

                prefs = getSharedPreferences("TrainStation", 0);
                String favoriteString = prefs.getString("favorites", "");
                if (! favoriteString.equals("") ) {
                        favorites.fromString(favoriteString);
                }
                
                if (savedInstanceState == null) {
                        startLookup();
                } else {
                        stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations");
                        adapter.setStations(stations);
                        location = (GeoPair) savedInstanceState.getSerializable("location");
                }
        }


    @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_RESCAN, 0, "Nearest stations");
                item.setIcon(android.R.drawable.ic_menu_mylocation);
                
                item = menu.add(0, OPTIONS_NAMESEARCH, 0, "Search for station");
                item.setIcon(android.R.drawable.ic_menu_search);
                
                item = menu.add(0, OPTIONS_FAVORITES, 0, "Favorites");
                item.setIcon(android.R.drawable.ic_menu_agenda);
                
                item = menu.add(0, OPTIONS_MAP, 0, "Station map");
                item.setIcon(android.R.drawable.ic_menu_mapmode);
                
                item = menu.add(0, OPTIONS_ABOUT, 0, "About");
                item.setIcon(android.R.drawable.ic_menu_info_details);
                return true;
        }

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

                
                switch (item.getItemId()) {
                case OPTIONS_RESCAN:
                        startLookup();
                        break;
                case OPTIONS_NAMESEARCH:
                        showDialog(DLG_STATIONNAME);
                        break;
                case OPTIONS_FAVORITES:
                        startFavoriteLookup();
                        break;
                case OPTIONS_MAP:
                        
                        Intent intent = new Intent(this,StationMapView.class);
                        intent.putExtra("userlocation", location );
                        
                        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_ABOUT:
                        String ver = this.getResources().getString(R.string.app_version);
                        
                        Location loc = locator.getLocation();
                        StringBuffer message = new StringBuffer();
                        message.append("TrainInfo DK v").append(ver).append("\n");
                        message.append("By Torben Nielsen\n");
                        message.append("\n");
                        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);
                
                locator.locateStations();
                stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, 20000);
        }
        
        void startNameSearch(String name) {
                dialogMessage = "Finding stations by name";
                showDialog(DLG_PROGRESS);

                locatorTask = new LocatorTask();
                locatorTask.searchByName(name, locator.getLocation());
                locatorTask.execute();
                
        }
        
        public void startFavoriteLookup() {
                
                if (favorites.toString().length() > 0) {
                        dialogMessage = "Loading favorites";
                        showDialog(DLG_PROGRESS);

                        locatorTask = new LocatorTask();
                        locatorTask.searchByIds(favorites.toString(), locator.getLocation());
                        locatorTask.execute();
                } else {
                        MessageBox.showMessage(this, "Favorite list is empty");
                }
        }


        void startLocatorTask()
        {
                dialogMessage = "Finding nearby stations"; 
                showDialog(DLG_PROGRESS);
                
                locatorTask = new LocatorTask();
                locatorTask.searchByLocation( locator.getLocation() );
                locatorTask.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( locator.getLocation() );
                                
                                break;

                        case NOPROVIDER:
                                dismissDialog(DLG_PROGRESS);
                                MessageBox.showMessage(StationList.this,"No location provider enabled. Plase enable gps.");
                                break;
                        case LOCATIONFIXTIMEOUT:                                
                                if (isRunning) {
                                        locator.stopSearch();
                                        if (locator.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 LocatorTask 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) {
                
                        if (method.equals(LookupMethod.ByLocation))
                                success = stationProvider.lookupStations(loc);
                        
                        if (method.equals(LookupMethod.ByName))
                                success = stationProvider.lookupStationsByName(name);
                        
                        if (method.equals(LookupMethod.ByList))
                                success = stationProvider.lookupStationsByIds(ids);
                        
                        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)) {
                                        dummy.setLatitude(station.getLatitude());
                                        dummy.setLongitude(station.getLongitude());
                                        station.setDistance( (int)loc.distanceTo(dummy) );
                                }
                        }                                               
                        
                        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.hasInt(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();
                        }
                        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_RESCAN = 2001;
48			public static final int OPTIONS_NAMESEARCH = 2002;
49			public static final int OPTIONS_MAP = 2003;
50			public static final int OPTIONS_ABOUT = 2004;
51	torben	433	public static final int OPTIONS_FAVORITES = 2005;
52
53	torben	336
54	torben	237
55	torben	381	public static final int DLG_PROGRESS = 3001;
56			public static final int DLG_STATIONNAME = 3002;
57	torben	237
58			/** Called when the activity is first created. */
59	torben	336	String dialogMessage = "";
60	torben	237	ProgressDialog dialog;
61	torben	319	LocationLookup locator = null;
62	torben	336	LocatorTask locatorTask;
63	torben	381	StationsFetchedHandler stationsFetched = new StationsFetchedHandler();
64	torben	237
65	torben	374	GeoPair location = new GeoPair();
66
67	torben	258	boolean isRunning = false;
68			List<StationBean> stations = new ArrayList<StationBean>();
69
70	torben	319	StationProvider stationProvider = ProviderFactory.getStationProvider();
71	torben	381
72			StationListAdapter adapter = null;
73	torben	258
74	torben	433	FavoritesMenu contextMenu = new FavoritesMenu();
75			IntSet favorites = new IntSet();
76
77	torben	381	static enum LookupMethod {
78			ByLocation,
79			ByName,
80	torben	433	ByList,
81	torben	381	MethodNone
82			}
83	torben	319
84	torben	433	SharedPreferences prefs;
85
86	torben	381	///////////////////////////////////////////////////////////////////////////////////////////
87			//Activity call backs
88
89	torben	258	@SuppressWarnings("unchecked")
90	torben	237	@Override
91			public void onCreate(Bundle savedInstanceState) {
92			super.onCreate(savedInstanceState);
93			setContentView(R.layout.main);
94
95	torben	241
96	torben	237	adapter = new StationListAdapter(this);
97			setListAdapter(adapter);
98
99	torben	433	ListView lv = getListView();
100			lv.setOnCreateContextMenuListener(contextMenu);
101
102	torben	319	locator = new LocationLookup(this, stationsFetched);
103	torben	433
104
105			prefs = getSharedPreferences("TrainStation", 0);
106			String favoriteString = prefs.getString("favorites", "");
107			if (! favoriteString.equals("") ) {
108			favorites.fromString(favoriteString);
109			}
110
111	torben	258	if (savedInstanceState == null) {
112			startLookup();
113			} else {
114			stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations");
115	torben	260	adapter.setStations(stations);
116	torben	374	location = (GeoPair) savedInstanceState.getSerializable("location");
117	torben	258	}
118	torben	237	}
119	torben	371
120
121	torben	243	@Override
122			public void onSaveInstanceState(Bundle outState)
123			{
124	torben	258	if (dialog != null && dialog.isShowing())
125	torben	243	dialog.dismiss();
126	torben	258	outState.putSerializable("stations", (ArrayList<StationBean>) stations);
127	torben	374	outState.putSerializable("location", location);
128	torben	243	}
129	torben	237
130	torben	243
131	torben	237
132			@Override
133	torben	368	public boolean onCreateOptionsMenu(Menu menu) {
134	torben	419	MenuItem item;
135
136	torben	439	item = menu.add(0, OPTIONS_RESCAN, 0, "Nearest stations");
137	torben	419	item.setIcon(android.R.drawable.ic_menu_mylocation);
138
139			item = menu.add(0, OPTIONS_NAMESEARCH, 0, "Search for station");
140			item.setIcon(android.R.drawable.ic_menu_search);
141
142	torben	433	item = menu.add(0, OPTIONS_FAVORITES, 0, "Favorites");
143			item.setIcon(android.R.drawable.ic_menu_agenda);
144
145	torben	439	item = menu.add(0, OPTIONS_MAP, 0, "Station map");
146	torben	419	item.setIcon(android.R.drawable.ic_menu_mapmode);
147
148			item = menu.add(0, OPTIONS_ABOUT, 0, "About");
149			item.setIcon(android.R.drawable.ic_menu_info_details);
150	torben	368	return true;
151			}
152
153			@Override
154			public boolean onOptionsItemSelected(MenuItem item) {
155	torben	381	boolean retval = true;
156
157	torben	368
158			switch (item.getItemId()) {
159	torben	381	case OPTIONS_RESCAN:
160			startLookup();
161			break;
162			case OPTIONS_NAMESEARCH:
163			showDialog(DLG_STATIONNAME);
164			break;
165	torben	433	case OPTIONS_FAVORITES:
166			startFavoriteLookup();
167			break;
168	torben	368	case OPTIONS_MAP:
169
170			Intent intent = new Intent(this,StationMapView.class);
171	torben	374	intent.putExtra("userlocation", location );
172	torben	368
173			ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>();
174			for (StationBean st : stations ) {
175	torben	369	stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) );
176	torben	368	}
177
178			intent.putExtra("stations", stationPoints);
179
180			startActivity(intent);
181			break;
182	torben	371	case OPTIONS_ABOUT:
183			String ver = this.getResources().getString(R.string.app_version);
184
185	torben	401	Location loc = locator.getLocation();
186	torben	371	StringBuffer message = new StringBuffer();
187			message.append("TrainInfo DK v").append(ver).append("\n");
188			message.append("By Torben Nielsen\n");
189	torben	401	message.append("\n");
190			message.append("Location info:\n");
191			message.append("-Obtained by: ").append(loc != null ? loc.getProvider() : "-").append("\n");
192			message.append("-Accuracy: ").append(loc != null ? (int)loc.getAccuracy() : "-").append("m\n");
193	torben	371
194			MessageBox.showMessage(this, message.toString());
195			break;
196	torben	368	default:
197			retval = super.onOptionsItemSelected(item);
198			}
199
200			return retval;
201			}
202	torben	433
203
204	torben	368
205			@Override
206	torben	433	public boolean onContextItemSelected(MenuItem item) {
207			contextMenu.onContextItemSelected(item);
208			return true;
209
210
211			}
212
213
214
215
216			@Override
217	torben	237	protected Dialog onCreateDialog(int id) {
218			switch (id) {
219			case DLG_PROGRESS:
220			ProgressDialog dlg = new ProgressDialog(this);
221			dlg.setMessage("Wait for location fix");
222			dlg.setCancelable(false);
223	torben	336	return dlg;
224	torben	381	case DLG_STATIONNAME:
225			LayoutInflater factory = LayoutInflater.from(this);
226			final View rootView = factory.inflate(R.layout.textinput, null);
227
228
229			AlertDialog.Builder builder = new AlertDialog.Builder(this);
230
231			builder.setTitle("Station search");
232			builder.setView(rootView);
233			builder.setCancelable(true);
234			builder.setPositiveButton("Search", new DialogInterface.OnClickListener() {
235			public void onClick(DialogInterface dialog, int which) {
236			EditText et = (EditText) rootView.findViewById(R.id.EditText);
237			dialog.dismiss();
238			if (et.getText().toString().length() >= 2) {
239			startNameSearch(et.getText().toString());
240			} else {
241	torben	382	MessageBox.showMessage(StationList.this, "Two characters minimum" );
242	torben	381	}
243			}
244			});
245			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
246			public void onClick(DialogInterface dialog, int which) {
247			dialog.dismiss();
248			}
249			});
250			return builder.create();
251
252	torben	237	default:
253			return super.onCreateDialog(id);
254			}
255
256			}
257
258
259			@Override
260			protected void onPrepareDialog(int id, Dialog dialog) {
261			super.onPrepareDialog(id, dialog);
262			switch (id) {
263			case DLG_PROGRESS:
264			this.dialog = (ProgressDialog) dialog;
265	torben	336	if (!dialogMessage.equals("")) {
266			this.dialog.setMessage(dialogMessage);
267			dialogMessage = "";
268			}
269	torben	237	break;
270			}
271			}
272	torben	381
273			@Override
274			protected void onListItemClick(ListView l, View v, int position, long id) {
275			super.onListItemClick(l, v, position, id);
276
277			StationBean station = stations.get(position);
278	torben	237
279	torben	381	double latitude = station.getLatitude();
280			double longitude = station.getLongitude();
281
282
283
284			Intent intent = new Intent(this, DepartureList.class);
285			intent.putExtra("name", station.getName());
286			intent.putExtra("distance", station.getDistance());
287			intent.putExtra("latitude", latitude);
288			intent.putExtra("longitude", longitude);
289			intent.putExtra("stationid", station.getId());
290			intent.putExtra("address", station.getAddress());
291			startActivity(intent);
292			}
293
294			/////////////////////////////////////////////////////////////
295			//
296
297	torben	237	public void startLookup() {
298			isRunning = true;
299	torben	381	dialogMessage = "Wait for location fix";
300	torben	237	showDialog(DLG_PROGRESS);
301
302			locator.locateStations();
303	torben	336	stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, 20000);
304	torben	237	}
305	torben	381
306			void startNameSearch(String name) {
307			dialogMessage = "Finding stations by name";
308			showDialog(DLG_PROGRESS);
309	torben	237
310	torben	381	locatorTask = new LocatorTask();
311			locatorTask.searchByName(name, locator.getLocation());
312			locatorTask.execute();
313
314			}
315	torben	433
316			public void startFavoriteLookup() {
317
318			if (favorites.toString().length() > 0) {
319			dialogMessage = "Loading favorites";
320			showDialog(DLG_PROGRESS);
321	torben	237
322	torben	433	locatorTask = new LocatorTask();
323			locatorTask.searchByIds(favorites.toString(), locator.getLocation());
324			locatorTask.execute();
325			} else {
326			MessageBox.showMessage(this, "Favorite list is empty");
327			}
328			}
329	torben	381
330	torben	433
331	torben	381
332			void startLocatorTask()
333			{
334			dialogMessage = "Finding nearby stations";
335			showDialog(DLG_PROGRESS);
336
337			locatorTask = new LocatorTask();
338			locatorTask.searchByLocation( locator.getLocation() );
339			locatorTask.execute();
340			}
341
342
343			String lookupAddress(double latitude, double longitude) {
344
345			Geocoder coder = new Geocoder(this, new Locale("da"));
346			StringBuilder sb = new StringBuilder();
347			Log.i("lookupaddr", "" + latitude + "/" + longitude);
348			try {
349			List<Address> addressList = coder.getFromLocation(latitude, longitude, 1);
350			Address addr = addressList.get(0);
351
352
353			int max = addr.getMaxAddressLineIndex();
354			for (int i=0; i<max; i++) {
355			if (i>0)
356			sb.append(", ");
357
358			sb.append(addr.getAddressLine(i));
359			}
360
361
362			} catch (Exception e) {
363			Log.e("DepartureList", "geocoder failed", e);
364			}
365
366			return sb.toString();
367			}
368
369
370			////////////////////////////////////////////////////////////////////////////
371			// Inner classes
372
373			class StationsFetchedHandler extends Handler {
374	torben	237	@Override
375			public void handleMessage(Message msg) {
376	torben	336
377	torben	237	switch (msg.what) {
378			case GOTLOCATION:
379	torben	336	dismissDialog(DLG_PROGRESS);
380
381			startLocatorTask();
382	torben	374	location = GeoPair.fromLocation( locator.getLocation() );
383	torben	336
384	torben	237	break;
385	torben	319
386	torben	237	case NOPROVIDER:
387	torben	336	dismissDialog(DLG_PROGRESS);
388			MessageBox.showMessage(StationList.this,"No location provider enabled. Plase enable gps.");
389	torben	237	break;
390	torben	336	case LOCATIONFIXTIMEOUT:
391	torben	237	if (isRunning) {
392	torben	336	locator.stopSearch();
393	torben	285	if (locator.hasLocation()) {
394	torben	336	stationsFetched.sendEmptyMessage( GOTLOCATION );
395			} else {
396			dismissDialog(DLG_PROGRESS);
397
398			AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
399	torben	420	builder.setMessage("Location fix timed out");
400	torben	336	builder.setCancelable(true);
401			builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
402			public void onClick(DialogInterface dialog, int id) {
403			dialog.dismiss();
404			startLookup();
405
406			}
407			});
408			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
409			public void onClick(DialogInterface dialog, int id) {
410			dialog.dismiss();
411			}
412			});
413			builder.show();
414
415	torben	285	}
416	torben	237	}
417			break;
418			}
419			isRunning = false;
420			}
421			};
422	torben	381
423	torben	237
424	torben	381	class LocatorTask extends AsyncTask<Void,Void,Void> {
425	torben	336
426	torben	381	LookupMethod method = LookupMethod.MethodNone;
427			boolean success;
428			String name;
429			Location loc;
430	torben	433	String ids;
431	torben	237
432	torben	381	public void searchByName(String n, Location l) {
433	torben	317
434	torben	381	method = LookupMethod.ByName;
435			loc = l;
436			name = n;
437	torben	317	}
438
439	torben	381	public void searchByLocation(Location l) {
440			method = LookupMethod.ByLocation;
441			loc = l;
442			}
443
444	torben	433	public void searchByIds(String id, Location l) {
445
446			method = LookupMethod.ByList;
447			loc = l;
448			ids = id;
449			}
450
451	torben	241	@Override
452			protected void onPreExecute() {
453	torben	258
454	torben	381	if (method.equals(LookupMethod.MethodNone))
455			throw new RuntimeException("Method not set");
456	torben	241	super.onPreExecute();
457			}
458
459			@Override
460			protected Void doInBackground(Void... params) {
461	torben	381
462			if (method.equals(LookupMethod.ByLocation))
463			success = stationProvider.lookupStations(loc);
464	torben	258
465	torben	381	if (method.equals(LookupMethod.ByName))
466	torben	433	success = stationProvider.lookupStationsByName(name);
467	torben	319
468	torben	433	if (method.equals(LookupMethod.ByList))
469			success = stationProvider.lookupStationsByIds(ids);
470
471	torben	381	Location dummy = new Location("gps");
472	torben	319	List<StationBean> stations = stationProvider.getStations();
473	torben	381
474			for (StationBean station : stations) {
475	torben	317	String addr = lookupAddress(station.getLatitude(), station.getLongitude());
476			station.setAddress(addr);
477	torben	381
478	torben	433	if (method.equals(LookupMethod.ByName) \|\| method.equals(LookupMethod.ByList)) {
479	torben	381	dummy.setLatitude(station.getLatitude());
480			dummy.setLongitude(station.getLongitude());
481			station.setDistance( (int)loc.distanceTo(dummy) );
482			}
483			}
484	torben	317
485	torben	241	return null;
486			}
487
488			@Override
489			protected void onPostExecute(Void result) {
490			super.onPostExecute(result);
491	torben	319	dialog.dismiss();
492
493			if (success) {
494			if (stationProvider.getStations().size() == 0)
495	torben	336	MessageBox.showMessage(StationList.this, "No stations found!"); // this should not be possible !?!
496	torben	319	stations = stationProvider.getStations();
497			adapter.setStations( stations );
498
499			} else { //communication or parse errors
500	torben	336	AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
501			builder.setMessage("Error on finding nearby stations");
502			builder.setCancelable(true);
503			builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
504			public void onClick(DialogInterface dialog, int id) {
505			dialog.dismiss();
506
507			stationsFetched.post( new Runnable() {
508			@Override
509			public void run() {
510			startLocatorTask();
511			}
512			});
513			}
514			});
515			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
516			public void onClick(DialogInterface dialog, int id) {
517			dialog.dismiss();
518			}
519			});
520			builder.show();
521	torben	319	}
522	torben	241	}
523			}
524	torben	433
525
526			class FavoritesMenu implements OnCreateContextMenuListener {
527			private final static int FAVORITES_ADD = 9001;
528			private final static int FAVORITES_REMOVE = 9002;
529
530			private int selectedPosition;
531
532
533			@Override
534			public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
535
536			AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
537			selectedPosition = info.position;
538			int stationID = stations.get(selectedPosition).getId();
539
540			if (!favorites.hasInt(stationID)) {
541			menu.add(0, FAVORITES_ADD, 0, "Add to favorites");
542			} else {
543			menu.add(0, FAVORITES_REMOVE, 0, "Remove from favorites");
544			}
545
546			}
547
548			public void onContextItemSelected(MenuItem item) {
549			StationBean sb = stations.get(selectedPosition);
550
551			int stationID = sb.getId();
552			if (item.getItemId() == FAVORITES_ADD) {
553			favorites.add(stationID);
554			Toast.makeText(StationList.this, "Station added", Toast.LENGTH_SHORT).show();
555			} else {
556			favorites.remove(stationID);
557			Toast.makeText(StationList.this, "Station removed", Toast.LENGTH_SHORT).show();
558			}
559	torben	435	Editor ed = prefs.edit();
560			ed.putString("favorites", favorites.toString());
561			ed.commit();
562	torben	433	}
563			}
564	torben	237	}