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;
        
        static enum LookupMethod {
                ByLocation,
                ByName,
                ByList,
                MethodNone
        }
        
        
        String dialogMessage = "";
        ProgressDialog dialog;
        LocationLookup locator = 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();
        
        boolean showingFavorites = false;
        
        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);

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

                        findStationsTask = new FindStationsTask();
                        findStationsTask.searchByIds(favorites.toString(), locator.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( locator.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( 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 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)) {
                                        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();
                        
                        //set title
                        String title;
                        switch (method) {
                        case ByLocation:
                                title = "Traininfo DK - Nearby stations";
                                break;
                        case ByName:
                                title = "Traininfo DK - Search";
                                break;
                        case ByList:
                                title = "Traininfo DK - Favorites";
                                break;
                        default:
                                title = "";//not possible                                       
                        }                               
                        
                        StationList.this.setTitle(title);
                        //set title end
                        
                        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 );
                                
                                showingFavorites = method.equals(LookupMethod.ByList);                          
                                
                        } 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 (showingFavorites) {
                                        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_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	torben	440	static enum LookupMethod {
59			ByLocation,
60			ByName,
61			ByList,
62			MethodNone
63			}
64
65
66	torben	336	String dialogMessage = "";
67	torben	237	ProgressDialog dialog;
68	torben	319	LocationLookup locator = null;
69	torben	440	FindStationsTask findStationsTask;
70	torben	381	StationsFetchedHandler stationsFetched = new StationsFetchedHandler();
71	torben	237
72	torben	374	GeoPair location = new GeoPair();
73
74	torben	258	boolean isRunning = false;
75			List<StationBean> stations = new ArrayList<StationBean>();
76
77	torben	319	StationProvider stationProvider = ProviderFactory.getStationProvider();
78	torben	381
79			StationListAdapter adapter = null;
80	torben	258
81	torben	433	FavoritesMenu contextMenu = new FavoritesMenu();
82			IntSet favorites = new IntSet();
83
84	torben	473	boolean showingFavorites = false;
85	torben	319
86	torben	433	SharedPreferences prefs;
87
88	torben	381	///////////////////////////////////////////////////////////////////////////////////////////
89			//Activity call backs
90
91	torben	258	@SuppressWarnings("unchecked")
92	torben	237	@Override
93			public void onCreate(Bundle savedInstanceState) {
94			super.onCreate(savedInstanceState);
95			setContentView(R.layout.main);
96
97	torben	241
98	torben	237	adapter = new StationListAdapter(this);
99			setListAdapter(adapter);
100
101	torben	433	ListView lv = getListView();
102			lv.setOnCreateContextMenuListener(contextMenu);
103
104	torben	319	locator = new LocationLookup(this, stationsFetched);
105	torben	433
106
107			prefs = getSharedPreferences("TrainStation", 0);
108			String favoriteString = prefs.getString("favorites", "");
109			if (! favoriteString.equals("") ) {
110			favorites.fromString(favoriteString);
111			}
112
113	torben	258	if (savedInstanceState == null) {
114			startLookup();
115			} else {
116			stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations");
117	torben	260	adapter.setStations(stations);
118	torben	374	location = (GeoPair) savedInstanceState.getSerializable("location");
119	torben	258	}
120	torben	237	}
121	torben	371
122
123	torben	243	@Override
124			public void onSaveInstanceState(Bundle outState)
125			{
126	torben	258	if (dialog != null && dialog.isShowing())
127	torben	243	dialog.dismiss();
128	torben	258	outState.putSerializable("stations", (ArrayList<StationBean>) stations);
129	torben	374	outState.putSerializable("location", location);
130	torben	243	}
131	torben	237
132	torben	243
133	torben	237
134			@Override
135	torben	368	public boolean onCreateOptionsMenu(Menu menu) {
136	torben	419	MenuItem item;
137
138	torben	439	item = menu.add(0, OPTIONS_RESCAN, 0, "Nearest stations");
139	torben	419	item.setIcon(android.R.drawable.ic_menu_mylocation);
140
141			item = menu.add(0, OPTIONS_NAMESEARCH, 0, "Search for station");
142			item.setIcon(android.R.drawable.ic_menu_search);
143
144	torben	433	item = menu.add(0, OPTIONS_FAVORITES, 0, "Favorites");
145			item.setIcon(android.R.drawable.ic_menu_agenda);
146
147	torben	439	item = menu.add(0, OPTIONS_MAP, 0, "Station map");
148	torben	419	item.setIcon(android.R.drawable.ic_menu_mapmode);
149
150			item = menu.add(0, OPTIONS_ABOUT, 0, "About");
151			item.setIcon(android.R.drawable.ic_menu_info_details);
152	torben	368	return true;
153			}
154
155			@Override
156			public boolean onOptionsItemSelected(MenuItem item) {
157	torben	381	boolean retval = true;
158
159	torben	368
160			switch (item.getItemId()) {
161	torben	381	case OPTIONS_RESCAN:
162			startLookup();
163			break;
164			case OPTIONS_NAMESEARCH:
165			showDialog(DLG_STATIONNAME);
166			break;
167	torben	433	case OPTIONS_FAVORITES:
168			startFavoriteLookup();
169			break;
170	torben	368	case OPTIONS_MAP:
171
172			Intent intent = new Intent(this,StationMapView.class);
173	torben	374	intent.putExtra("userlocation", location );
174	torben	368
175			ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>();
176			for (StationBean st : stations ) {
177	torben	369	stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) );
178	torben	368	}
179
180			intent.putExtra("stations", stationPoints);
181
182			startActivity(intent);
183			break;
184	torben	371	case OPTIONS_ABOUT:
185			String ver = this.getResources().getString(R.string.app_version);
186
187	torben	401	Location loc = locator.getLocation();
188	torben	371	StringBuffer message = new StringBuffer();
189			message.append("TrainInfo DK v").append(ver).append("\n");
190			message.append("By Torben Nielsen\n");
191	torben	401	message.append("\n");
192			message.append("Location info:\n");
193			message.append("-Obtained by: ").append(loc != null ? loc.getProvider() : "-").append("\n");
194			message.append("-Accuracy: ").append(loc != null ? (int)loc.getAccuracy() : "-").append("m\n");
195	torben	371
196			MessageBox.showMessage(this, message.toString());
197			break;
198	torben	368	default:
199			retval = super.onOptionsItemSelected(item);
200			}
201
202			return retval;
203			}
204	torben	433
205
206	torben	368
207			@Override
208	torben	433	public boolean onContextItemSelected(MenuItem item) {
209			contextMenu.onContextItemSelected(item);
210			return true;
211
212
213			}
214
215
216
217
218			@Override
219	torben	237	protected Dialog onCreateDialog(int id) {
220			switch (id) {
221			case DLG_PROGRESS:
222			ProgressDialog dlg = new ProgressDialog(this);
223			dlg.setMessage("Wait for location fix");
224			dlg.setCancelable(false);
225	torben	336	return dlg;
226	torben	381	case DLG_STATIONNAME:
227			LayoutInflater factory = LayoutInflater.from(this);
228			final View rootView = factory.inflate(R.layout.textinput, null);
229
230
231			AlertDialog.Builder builder = new AlertDialog.Builder(this);
232
233			builder.setTitle("Station search");
234			builder.setView(rootView);
235			builder.setCancelable(true);
236			builder.setPositiveButton("Search", new DialogInterface.OnClickListener() {
237			public void onClick(DialogInterface dialog, int which) {
238			EditText et = (EditText) rootView.findViewById(R.id.EditText);
239			dialog.dismiss();
240			if (et.getText().toString().length() >= 2) {
241			startNameSearch(et.getText().toString());
242			} else {
243	torben	382	MessageBox.showMessage(StationList.this, "Two characters minimum" );
244	torben	381	}
245			}
246			});
247			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
248			public void onClick(DialogInterface dialog, int which) {
249			dialog.dismiss();
250			}
251			});
252			return builder.create();
253
254	torben	237	default:
255			return super.onCreateDialog(id);
256			}
257
258			}
259
260
261			@Override
262			protected void onPrepareDialog(int id, Dialog dialog) {
263			super.onPrepareDialog(id, dialog);
264			switch (id) {
265			case DLG_PROGRESS:
266			this.dialog = (ProgressDialog) dialog;
267	torben	336	if (!dialogMessage.equals("")) {
268			this.dialog.setMessage(dialogMessage);
269			dialogMessage = "";
270			}
271	torben	237	break;
272			}
273			}
274	torben	381
275			@Override
276			protected void onListItemClick(ListView l, View v, int position, long id) {
277			super.onListItemClick(l, v, position, id);
278
279			StationBean station = stations.get(position);
280	torben	237
281	torben	381	double latitude = station.getLatitude();
282			double longitude = station.getLongitude();
283
284
285
286			Intent intent = new Intent(this, DepartureList.class);
287			intent.putExtra("name", station.getName());
288			intent.putExtra("distance", station.getDistance());
289			intent.putExtra("latitude", latitude);
290			intent.putExtra("longitude", longitude);
291			intent.putExtra("stationid", station.getId());
292			intent.putExtra("address", station.getAddress());
293			startActivity(intent);
294			}
295
296			/////////////////////////////////////////////////////////////
297			//
298
299	torben	237	public void startLookup() {
300			isRunning = true;
301	torben	381	dialogMessage = "Wait for location fix";
302	torben	237	showDialog(DLG_PROGRESS);
303
304			locator.locateStations();
305	torben	336	stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, 20000);
306	torben	237	}
307	torben	381
308			void startNameSearch(String name) {
309			dialogMessage = "Finding stations by name";
310			showDialog(DLG_PROGRESS);
311	torben	237
312	torben	440	findStationsTask = new FindStationsTask();
313			findStationsTask.searchByName(name, locator.getLocation());
314			findStationsTask.execute();
315	torben	381
316			}
317	torben	433
318			public void startFavoriteLookup() {
319
320	torben	440	if (favorites.size() > 0) {
321	torben	433	dialogMessage = "Loading favorites";
322			showDialog(DLG_PROGRESS);
323	torben	237
324	torben	440	findStationsTask = new FindStationsTask();
325			findStationsTask.searchByIds(favorites.toString(), locator.getLocation());
326			findStationsTask.execute();
327	torben	433	} else {
328			MessageBox.showMessage(this, "Favorite list is empty");
329			}
330			}
331	torben	381
332	torben	433
333	torben	381
334			void startLocatorTask()
335			{
336			dialogMessage = "Finding nearby stations";
337			showDialog(DLG_PROGRESS);
338
339	torben	440	findStationsTask = new FindStationsTask();
340			findStationsTask.searchByLocation( locator.getLocation() );
341			findStationsTask.execute();
342	torben	381	}
343
344
345			String lookupAddress(double latitude, double longitude) {
346
347			Geocoder coder = new Geocoder(this, new Locale("da"));
348			StringBuilder sb = new StringBuilder();
349			Log.i("lookupaddr", "" + latitude + "/" + longitude);
350			try {
351			List<Address> addressList = coder.getFromLocation(latitude, longitude, 1);
352			Address addr = addressList.get(0);
353
354
355			int max = addr.getMaxAddressLineIndex();
356			for (int i=0; i<max; i++) {
357			if (i>0)
358			sb.append(", ");
359
360			sb.append(addr.getAddressLine(i));
361			}
362
363
364			} catch (Exception e) {
365			Log.e("DepartureList", "geocoder failed", e);
366			}
367
368			return sb.toString();
369			}
370
371
372			////////////////////////////////////////////////////////////////////////////
373			// Inner classes
374
375			class StationsFetchedHandler extends Handler {
376	torben	237	@Override
377			public void handleMessage(Message msg) {
378	torben	336
379	torben	237	switch (msg.what) {
380			case GOTLOCATION:
381	torben	336	dismissDialog(DLG_PROGRESS);
382
383			startLocatorTask();
384	torben	374	location = GeoPair.fromLocation( locator.getLocation() );
385	torben	336
386	torben	237	break;
387	torben	319
388	torben	237	case NOPROVIDER:
389	torben	336	dismissDialog(DLG_PROGRESS);
390			MessageBox.showMessage(StationList.this,"No location provider enabled. Plase enable gps.");
391	torben	237	break;
392	torben	336	case LOCATIONFIXTIMEOUT:
393	torben	237	if (isRunning) {
394	torben	336	locator.stopSearch();
395	torben	285	if (locator.hasLocation()) {
396	torben	336	stationsFetched.sendEmptyMessage( GOTLOCATION );
397			} else {
398			dismissDialog(DLG_PROGRESS);
399
400			AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
401	torben	420	builder.setMessage("Location fix timed out");
402	torben	336	builder.setCancelable(true);
403			builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
404			public void onClick(DialogInterface dialog, int id) {
405			dialog.dismiss();
406			startLookup();
407
408			}
409			});
410			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
411			public void onClick(DialogInterface dialog, int id) {
412			dialog.dismiss();
413			}
414			});
415			builder.show();
416
417	torben	285	}
418	torben	237	}
419			break;
420			}
421			isRunning = false;
422			}
423			};
424	torben	381
425	torben	237
426	torben	440	class FindStationsTask extends AsyncTask<Void,Void,Void> {
427	torben	336
428	torben	381	LookupMethod method = LookupMethod.MethodNone;
429			boolean success;
430			String name;
431			Location loc;
432	torben	433	String ids;
433	torben	237
434	torben	381	public void searchByName(String n, Location l) {
435	torben	317
436	torben	381	method = LookupMethod.ByName;
437			loc = l;
438			name = n;
439	torben	317	}
440
441	torben	381	public void searchByLocation(Location l) {
442			method = LookupMethod.ByLocation;
443			loc = l;
444			}
445
446	torben	433	public void searchByIds(String id, Location l) {
447
448			method = LookupMethod.ByList;
449			loc = l;
450			ids = id;
451			}
452
453	torben	241	@Override
454			protected void onPreExecute() {
455	torben	258
456	torben	381	if (method.equals(LookupMethod.MethodNone))
457			throw new RuntimeException("Method not set");
458	torben	241	super.onPreExecute();
459			}
460
461			@Override
462			protected Void doInBackground(Void... params) {
463	torben	473
464			switch (method) {
465			case ByLocation:
466	torben	381	success = stationProvider.lookupStations(loc);
467	torben	473	break;
468			case ByName:
469	torben	433	success = stationProvider.lookupStationsByName(name);
470	torben	473	break;
471			case ByList:
472	torben	433	success = stationProvider.lookupStationsByIds(ids);
473	torben	473	break;
474			default:
475			success = false; // not possible
476			}
477	torben	433
478	torben	473
479	torben	381	Location dummy = new Location("gps");
480	torben	319	List<StationBean> stations = stationProvider.getStations();
481	torben	381
482			for (StationBean station : stations) {
483	torben	317	String addr = lookupAddress(station.getLatitude(), station.getLongitude());
484			station.setAddress(addr);
485	torben	381
486	torben	433	if (method.equals(LookupMethod.ByName) \|\| method.equals(LookupMethod.ByList)) {
487	torben	381	dummy.setLatitude(station.getLatitude());
488			dummy.setLongitude(station.getLongitude());
489			station.setDistance( (int)loc.distanceTo(dummy) );
490			}
491			}
492	torben	317
493	torben	241	return null;
494			}
495
496			@Override
497			protected void onPostExecute(Void result) {
498			super.onPostExecute(result);
499	torben	319	dialog.dismiss();
500
501	torben	473	//set title
502			String title;
503			switch (method) {
504			case ByLocation:
505			title = "Traininfo DK - Nearby stations";
506			break;
507			case ByName:
508			title = "Traininfo DK - Search";
509			break;
510			case ByList:
511			title = "Traininfo DK - Favorites";
512			break;
513			default:
514			title = "";//not possible
515			}
516
517			StationList.this.setTitle(title);
518			//set title end
519
520	torben	319	if (success) {
521			if (stationProvider.getStations().size() == 0)
522	torben	336	MessageBox.showMessage(StationList.this, "No stations found!"); // this should not be possible !?!
523	torben	319	stations = stationProvider.getStations();
524	torben	473	adapter.setStations( stations );
525	torben	319
526	torben	473	showingFavorites = method.equals(LookupMethod.ByList);
527
528	torben	319	} 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			if (showingFavorites) {
590			stations.remove(selectedPosition);
591			adapter.notifyDataSetChanged();
592			}
593	torben	433	}
594	torben	435	Editor ed = prefs.edit();
595			ed.putString("favorites", favorites.toString());
596			ed.commit();
597	torben	433	}
598			}
599	torben	237	}