thoerup/traininfo/StationList.java

package dk.thoerup.traininfo;

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

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.location.Address;
import android.location.Geocoder;
import android.location.Location;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.ContextMenu;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.View.OnCreateContextMenuListener;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Toast;
import dk.thoerup.traininfo.provider.ProviderFactory;
import dk.thoerup.traininfo.provider.StationProvider;
import dk.thoerup.traininfo.stationmap.GeoPair;
import dk.thoerup.traininfo.stationmap.StationMapView;
import dk.thoerup.traininfo.util.IntSet;
import dk.thoerup.traininfo.util.MessageBox;

public class StationList extends ListActivity  {
        public static final int GOTLOCATION = 1001;
        public static final int GOTSTATIONLIST = 1002;
        public static final int NOPROVIDER = 1003;
        public static final int LOCATIONFIXTIMEOUT = 1004;
        
        public static final int OPTIONS_MAP = 2003;
        public static final int OPTIONS_GPSINFO = 2004;

        
        public static final int DLG_PROGRESS = 3001;
        public static final int DLG_STATIONNAME = 3002;
        
        static enum LookupMethod {
                ByLocation,
                ByName,
                ByList,
                MethodNone
        }
        
        
        String dialogMessage = "";
        ProgressDialog dialog;
        LocationLookup 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();

        WelcomeScreen.ListType listType;
        String dialogTitle;
        SharedPreferences prefs;
        
        ///////////////////////////////////////////////////////////////////////////////////////////
        //Activity call backs
        
        @SuppressWarnings("unchecked")
        @Override
        public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.stationlist);
                
                
                adapter = new StationListAdapter(this);
                setListAdapter(adapter);
                
                ListView lv = getListView();
                lv.setOnCreateContextMenuListener(contextMenu);
                
                locator = new LocationLookup(this, stationsFetched);
                

                prefs = getSharedPreferences("TrainStation", 0);
                String favoriteString = prefs.getString("favorites", "");
                if (! favoriteString.equals("") ) {
                        favorites.fromString(favoriteString);
                }
                
                if (savedInstanceState == null) {
                        listType = (WelcomeScreen.ListType) getIntent().getSerializableExtra("type");
                        switch (listType) {
                        case ListNearest:
                                startLookup();
                                break;
                        case ListSearch:
                                this.showDialog(DLG_STATIONNAME);
                                break;
                        case ListFavorites:
                                startFavoriteLookup();
                                break;
                        default:
                                // Not possible !?!
                        }
                        
                } else {
                        stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations");
                        adapter.setStations(stations);
                        location = (GeoPair) savedInstanceState.getSerializable("location");
                        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_MAP, 0, "Station map");
                item.setIcon(android.R.drawable.ic_menu_mapmode);
                
                item = menu.add(0, OPTIONS_GPSINFO, 0, "GPS Info");
                item.setIcon(android.R.drawable.ic_menu_mapmode);               
                
                return true;
        }

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

                //TODO: Cleanup
                switch (item.getItemId()) {
                case OPTIONS_MAP:
                        
                        Intent intent = new Intent(this,StationMapView.class);
                        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_GPSINFO:
                        Location loc = locator.getLocation();
                        StringBuffer message = new StringBuffer();
                        message.append("Location info:\n");
                        message.append("-Obtained by: ").append(loc != null ? loc.getProvider() : "-").append("\n");
                        message.append("-Accuracy: ").append(loc != null ? (int)loc.getAccuracy() : "-").append("m\n");

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


        }


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

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


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

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

        public void startLookup() {
                isRunning = true;
                dialogMessage = "Wait for location fix";
                showDialog(DLG_PROGRESS);
                
                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 );                                
                                
                        } else { //communication or parse errors
                                AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);                                                
                                builder.setMessage("Error on finding nearby stations");
                                builder.setCancelable(true);
                                builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                                
                                                stationsFetched.post( new Runnable() {
                                                        @Override
                                                        public void run() {
                                                                startLocatorTask();                                                             
                                                        }
                                                });
                                        }
                                });
                                builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                        }                                                       
                                });                                                                                             
                                builder.show();                         
                        }
                }
        }
        
        
        class FavoritesMenu implements OnCreateContextMenuListener {
                private final static int FAVORITES_ADD = 9001;
                private final static int FAVORITES_REMOVE = 9002;
                
                private int selectedPosition;
                
                
                @Override
                public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
                                                
                        AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
                        selectedPosition = info.position;
                        int stationID = stations.get(selectedPosition).getId();

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