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;
        String dialogTitle;
        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");
                        dialogTitle = savedInstanceState.getString("title");
                        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);
        outState.putString("title", dialogTitle);
    }
        
        
        @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)) {
                                        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();
                        
                        //set title
                        switch (method) {
                        case ByLocation:
                                dialogTitle = "Traininfo DK - Nearby stations";
                                break;
                        case ByName:
                                dialogTitle = "Traininfo DK - Search";
                                break;
                        case ByList:
                                dialogTitle = "Traininfo DK - Favorites";
                                break;
                        default:
                                dialogTitle = "";//not possible                                 
                        }                               
                        
                        StationList.this.setTitle(dialogTitle);
                        //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	480	String dialogTitle;
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	480	dialogTitle = savedInstanceState.getString("title");
120			setTitle(dialogTitle);
121	torben	258	}
122	torben	237	}
123	torben	371
124
125	torben	243	@Override
126			public void onSaveInstanceState(Bundle outState)
127			{
128	torben	258	if (dialog != null && dialog.isShowing())
129	torben	243	dialog.dismiss();
130	torben	258	outState.putSerializable("stations", (ArrayList<StationBean>) stations);
131	torben	374	outState.putSerializable("location", location);
132	torben	480	outState.putString("title", dialogTitle);
133	torben	243	}
134	torben	237
135	torben	243
136	torben	237
137			@Override
138	torben	368	public boolean onCreateOptionsMenu(Menu menu) {
139	torben	419	MenuItem item;
140
141	torben	439	item = menu.add(0, OPTIONS_RESCAN, 0, "Nearest stations");
142	torben	419	item.setIcon(android.R.drawable.ic_menu_mylocation);
143
144			item = menu.add(0, OPTIONS_NAMESEARCH, 0, "Search for station");
145			item.setIcon(android.R.drawable.ic_menu_search);
146
147	torben	433	item = menu.add(0, OPTIONS_FAVORITES, 0, "Favorites");
148			item.setIcon(android.R.drawable.ic_menu_agenda);
149
150	torben	439	item = menu.add(0, OPTIONS_MAP, 0, "Station map");
151	torben	419	item.setIcon(android.R.drawable.ic_menu_mapmode);
152
153			item = menu.add(0, OPTIONS_ABOUT, 0, "About");
154			item.setIcon(android.R.drawable.ic_menu_info_details);
155	torben	368	return true;
156			}
157
158			@Override
159			public boolean onOptionsItemSelected(MenuItem item) {
160	torben	381	boolean retval = true;
161
162	torben	368
163			switch (item.getItemId()) {
164	torben	381	case OPTIONS_RESCAN:
165			startLookup();
166			break;
167			case OPTIONS_NAMESEARCH:
168			showDialog(DLG_STATIONNAME);
169			break;
170	torben	433	case OPTIONS_FAVORITES:
171			startFavoriteLookup();
172			break;
173	torben	368	case OPTIONS_MAP:
174
175			Intent intent = new Intent(this,StationMapView.class);
176	torben	374	intent.putExtra("userlocation", location );
177	torben	368
178			ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>();
179			for (StationBean st : stations ) {
180	torben	369	stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) );
181	torben	368	}
182
183			intent.putExtra("stations", stationPoints);
184
185			startActivity(intent);
186			break;
187	torben	371	case OPTIONS_ABOUT:
188			String ver = this.getResources().getString(R.string.app_version);
189
190	torben	401	Location loc = locator.getLocation();
191	torben	371	StringBuffer message = new StringBuffer();
192			message.append("TrainInfo DK v").append(ver).append("\n");
193			message.append("By Torben Nielsen\n");
194	torben	401	message.append("\n");
195			message.append("Location info:\n");
196			message.append("-Obtained by: ").append(loc != null ? loc.getProvider() : "-").append("\n");
197			message.append("-Accuracy: ").append(loc != null ? (int)loc.getAccuracy() : "-").append("m\n");
198	torben	371
199			MessageBox.showMessage(this, message.toString());
200			break;
201	torben	368	default:
202			retval = super.onOptionsItemSelected(item);
203			}
204
205			return retval;
206			}
207	torben	433
208
209	torben	368
210			@Override
211	torben	433	public boolean onContextItemSelected(MenuItem item) {
212			contextMenu.onContextItemSelected(item);
213			return true;
214
215
216			}
217
218
219
220
221			@Override
222	torben	237	protected Dialog onCreateDialog(int id) {
223			switch (id) {
224			case DLG_PROGRESS:
225			ProgressDialog dlg = new ProgressDialog(this);
226			dlg.setMessage("Wait for location fix");
227			dlg.setCancelable(false);
228	torben	336	return dlg;
229	torben	381	case DLG_STATIONNAME:
230			LayoutInflater factory = LayoutInflater.from(this);
231			final View rootView = factory.inflate(R.layout.textinput, null);
232
233
234			AlertDialog.Builder builder = new AlertDialog.Builder(this);
235
236			builder.setTitle("Station search");
237			builder.setView(rootView);
238			builder.setCancelable(true);
239			builder.setPositiveButton("Search", new DialogInterface.OnClickListener() {
240			public void onClick(DialogInterface dialog, int which) {
241			EditText et = (EditText) rootView.findViewById(R.id.EditText);
242			dialog.dismiss();
243			if (et.getText().toString().length() >= 2) {
244			startNameSearch(et.getText().toString());
245			} else {
246	torben	382	MessageBox.showMessage(StationList.this, "Two characters minimum" );
247	torben	381	}
248			}
249			});
250			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
251			public void onClick(DialogInterface dialog, int which) {
252			dialog.dismiss();
253			}
254			});
255			return builder.create();
256
257	torben	237	default:
258			return super.onCreateDialog(id);
259			}
260
261			}
262
263
264			@Override
265			protected void onPrepareDialog(int id, Dialog dialog) {
266			super.onPrepareDialog(id, dialog);
267			switch (id) {
268			case DLG_PROGRESS:
269			this.dialog = (ProgressDialog) dialog;
270	torben	336	if (!dialogMessage.equals("")) {
271			this.dialog.setMessage(dialogMessage);
272			dialogMessage = "";
273			}
274	torben	237	break;
275			}
276			}
277	torben	381
278			@Override
279			protected void onListItemClick(ListView l, View v, int position, long id) {
280			super.onListItemClick(l, v, position, id);
281
282			StationBean station = stations.get(position);
283	torben	237
284	torben	381	double latitude = station.getLatitude();
285			double longitude = station.getLongitude();
286
287
288
289			Intent intent = new Intent(this, DepartureList.class);
290			intent.putExtra("name", station.getName());
291			intent.putExtra("distance", station.getDistance());
292			intent.putExtra("latitude", latitude);
293			intent.putExtra("longitude", longitude);
294			intent.putExtra("stationid", station.getId());
295			intent.putExtra("address", station.getAddress());
296			startActivity(intent);
297			}
298
299			/////////////////////////////////////////////////////////////
300			//
301
302	torben	237	public void startLookup() {
303			isRunning = true;
304	torben	381	dialogMessage = "Wait for location fix";
305	torben	237	showDialog(DLG_PROGRESS);
306
307			locator.locateStations();
308	torben	336	stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, 20000);
309	torben	237	}
310	torben	381
311			void startNameSearch(String name) {
312			dialogMessage = "Finding stations by name";
313			showDialog(DLG_PROGRESS);
314	torben	237
315	torben	440	findStationsTask = new FindStationsTask();
316			findStationsTask.searchByName(name, locator.getLocation());
317			findStationsTask.execute();
318	torben	381
319			}
320	torben	433
321			public void startFavoriteLookup() {
322
323	torben	440	if (favorites.size() > 0) {
324	torben	433	dialogMessage = "Loading favorites";
325			showDialog(DLG_PROGRESS);
326	torben	237
327	torben	440	findStationsTask = new FindStationsTask();
328			findStationsTask.searchByIds(favorites.toString(), locator.getLocation());
329			findStationsTask.execute();
330	torben	433	} else {
331			MessageBox.showMessage(this, "Favorite list is empty");
332			}
333			}
334	torben	381
335	torben	433
336	torben	381
337			void startLocatorTask()
338			{
339			dialogMessage = "Finding nearby stations";
340			showDialog(DLG_PROGRESS);
341
342	torben	440	findStationsTask = new FindStationsTask();
343			findStationsTask.searchByLocation( locator.getLocation() );
344			findStationsTask.execute();
345	torben	381	}
346
347
348			String lookupAddress(double latitude, double longitude) {
349
350			Geocoder coder = new Geocoder(this, new Locale("da"));
351			StringBuilder sb = new StringBuilder();
352			Log.i("lookupaddr", "" + latitude + "/" + longitude);
353			try {
354			List<Address> addressList = coder.getFromLocation(latitude, longitude, 1);
355			Address addr = addressList.get(0);
356
357
358			int max = addr.getMaxAddressLineIndex();
359			for (int i=0; i<max; i++) {
360			if (i>0)
361			sb.append(", ");
362
363			sb.append(addr.getAddressLine(i));
364			}
365
366
367			} catch (Exception e) {
368			Log.e("DepartureList", "geocoder failed", e);
369			}
370
371			return sb.toString();
372			}
373
374
375			////////////////////////////////////////////////////////////////////////////
376			// Inner classes
377
378			class StationsFetchedHandler extends Handler {
379	torben	237	@Override
380			public void handleMessage(Message msg) {
381	torben	336
382	torben	237	switch (msg.what) {
383			case GOTLOCATION:
384	torben	336	dismissDialog(DLG_PROGRESS);
385
386			startLocatorTask();
387	torben	374	location = GeoPair.fromLocation( locator.getLocation() );
388	torben	336
389	torben	237	break;
390	torben	319
391	torben	237	case NOPROVIDER:
392	torben	336	dismissDialog(DLG_PROGRESS);
393			MessageBox.showMessage(StationList.this,"No location provider enabled. Plase enable gps.");
394	torben	237	break;
395	torben	336	case LOCATIONFIXTIMEOUT:
396	torben	237	if (isRunning) {
397	torben	336	locator.stopSearch();
398	torben	285	if (locator.hasLocation()) {
399	torben	336	stationsFetched.sendEmptyMessage( GOTLOCATION );
400			} else {
401			dismissDialog(DLG_PROGRESS);
402
403			AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
404	torben	420	builder.setMessage("Location fix timed out");
405	torben	336	builder.setCancelable(true);
406			builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
407			public void onClick(DialogInterface dialog, int id) {
408			dialog.dismiss();
409			startLookup();
410
411			}
412			});
413			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
414			public void onClick(DialogInterface dialog, int id) {
415			dialog.dismiss();
416			}
417			});
418			builder.show();
419
420	torben	285	}
421	torben	237	}
422			break;
423			}
424			isRunning = false;
425			}
426			};
427	torben	381
428	torben	237
429	torben	440	class FindStationsTask extends AsyncTask<Void,Void,Void> {
430	torben	336
431	torben	381	LookupMethod method = LookupMethod.MethodNone;
432			boolean success;
433			String name;
434			Location loc;
435	torben	433	String ids;
436	torben	237
437	torben	381	public void searchByName(String n, Location l) {
438	torben	317
439	torben	381	method = LookupMethod.ByName;
440			loc = l;
441			name = n;
442	torben	317	}
443
444	torben	381	public void searchByLocation(Location l) {
445			method = LookupMethod.ByLocation;
446			loc = l;
447			}
448
449	torben	433	public void searchByIds(String id, Location l) {
450
451			method = LookupMethod.ByList;
452			loc = l;
453			ids = id;
454			}
455
456	torben	241	@Override
457			protected void onPreExecute() {
458	torben	258
459	torben	381	if (method.equals(LookupMethod.MethodNone))
460			throw new RuntimeException("Method not set");
461	torben	241	super.onPreExecute();
462			}
463
464			@Override
465			protected Void doInBackground(Void... params) {
466	torben	473
467			switch (method) {
468			case ByLocation:
469	torben	381	success = stationProvider.lookupStations(loc);
470	torben	473	break;
471			case ByName:
472	torben	433	success = stationProvider.lookupStationsByName(name);
473	torben	473	break;
474			case ByList:
475	torben	433	success = stationProvider.lookupStationsByIds(ids);
476	torben	473	break;
477			default:
478			success = false; // not possible
479			}
480	torben	433
481	torben	473
482	torben	381	Location dummy = new Location("gps");
483	torben	319	List<StationBean> stations = stationProvider.getStations();
484	torben	381
485			for (StationBean station : stations) {
486	torben	317	String addr = lookupAddress(station.getLatitude(), station.getLongitude());
487			station.setAddress(addr);
488	torben	381
489	torben	478
490			if (method.equals(LookupMethod.ByName) \|\| method.equals(LookupMethod.ByList)) {
491			if (loc != null) { //only do the distance calc if we have a location
492	torben	476	dummy.setLatitude(station.getLatitude());
493			dummy.setLongitude(station.getLongitude());
494			station.setDistance( (int)loc.distanceTo(dummy) );
495	torben	478	} else {
496			station.setDistance(0);
497	torben	476	}
498	torben	381	}
499	torben	478
500	torben	381	}
501	torben	317
502	torben	241	return null;
503			}
504
505			@Override
506			protected void onPostExecute(Void result) {
507			super.onPostExecute(result);
508	torben	319	dialog.dismiss();
509
510	torben	473	//set title
511			switch (method) {
512			case ByLocation:
513	torben	480	dialogTitle = "Traininfo DK - Nearby stations";
514	torben	473	break;
515			case ByName:
516	torben	480	dialogTitle = "Traininfo DK - Search";
517	torben	473	break;
518			case ByList:
519	torben	480	dialogTitle = "Traininfo DK - Favorites";
520	torben	473	break;
521			default:
522	torben	480	dialogTitle = "";//not possible
523	torben	473	}
524
525	torben	480	StationList.this.setTitle(dialogTitle);
526	torben	473	//set title end
527
528	torben	319	if (success) {
529			if (stationProvider.getStations().size() == 0)
530	torben	336	MessageBox.showMessage(StationList.this, "No stations found!"); // this should not be possible !?!
531	torben	319	stations = stationProvider.getStations();
532	torben	473	adapter.setStations( stations );
533	torben	319
534	torben	473	showingFavorites = method.equals(LookupMethod.ByList);
535
536	torben	319	} else { //communication or parse errors
537	torben	336	AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
538			builder.setMessage("Error on finding nearby stations");
539			builder.setCancelable(true);
540			builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
541			public void onClick(DialogInterface dialog, int id) {
542			dialog.dismiss();
543
544			stationsFetched.post( new Runnable() {
545			@Override
546			public void run() {
547			startLocatorTask();
548			}
549			});
550			}
551			});
552			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
553			public void onClick(DialogInterface dialog, int id) {
554			dialog.dismiss();
555			}
556			});
557			builder.show();
558	torben	319	}
559	torben	241	}
560			}
561	torben	433
562
563			class FavoritesMenu implements OnCreateContextMenuListener {
564			private final static int FAVORITES_ADD = 9001;
565			private final static int FAVORITES_REMOVE = 9002;
566
567			private int selectedPosition;
568
569
570			@Override
571			public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
572
573			AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
574			selectedPosition = info.position;
575			int stationID = stations.get(selectedPosition).getId();
576
577	torben	441	if (!favorites.contains(stationID)) {
578	torben	433	menu.add(0, FAVORITES_ADD, 0, "Add to favorites");
579			} else {
580			menu.add(0, FAVORITES_REMOVE, 0, "Remove from favorites");
581			}
582
583			}
584
585			public void onContextItemSelected(MenuItem item) {
586			StationBean sb = stations.get(selectedPosition);
587
588			int stationID = sb.getId();
589			if (item.getItemId() == FAVORITES_ADD) {
590			favorites.add(stationID);
591			Toast.makeText(StationList.this, "Station added", Toast.LENGTH_SHORT).show();
592			} else {
593	torben	473
594	torben	433	favorites.remove(stationID);
595			Toast.makeText(StationList.this, "Station removed", Toast.LENGTH_SHORT).show();
596	torben	473
597			if (showingFavorites) {
598			stations.remove(selectedPosition);
599			adapter.notifyDataSetChanged();
600			}
601	torben	433	}
602	torben	435	Editor ed = prefs.edit();
603			ed.putString("favorites", favorites.toString());
604			ed.commit();
605	torben	433	}
606			}
607	torben	237	}