thoerup/traininfo/StationList.java

package dk.thoerup.traininfo;

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


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.Location;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;

import android.view.ContextMenu;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.View.OnCreateContextMenuListener;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Toast;
import dk.thoerup.traininfo.provider.ProviderFactory;
import dk.thoerup.traininfo.provider.StationProvider;
import dk.thoerup.traininfo.stationmap.GeoPair;
import dk.thoerup.traininfo.stationmap.StationMapView;
import dk.thoerup.traininfo.util.IntSet;
import dk.thoerup.traininfo.util.MessageBox;

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

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

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

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

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

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

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

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


        }


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

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


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

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

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

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

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


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

        /* TODO: Remove this no longer needed function
        String lookupAddress(double latitude, double longitude) {
                
                Geocoder coder = new Geocoder(this, new Locale("da"));
                StringBuilder sb = new StringBuilder();
                Log.i("lookupaddr", "" + latitude + "/" + longitude);
                try {
                        List<Address> addressList = coder.getFromLocation(latitude, longitude, 1);
                        Address addr = addressList.get(0);
                        
                        
                        int max = addr.getMaxAddressLineIndex();
                        for (int i=0; i<max; i++) {
                                if (i>0)
                                        sb.append(", ");
                                
                                sb.append(addr.getAddressLine(i));
                        }
                        
                        
                } catch (Exception e) {
                        Log.e("DepartureList", "geocoder failed", e);
                }
                
                return sb.toString();
        }*/
        
        
        ////////////////////////////////////////////////////////////////////////////
        // Inner classes

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

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

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

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

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

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

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

                        }                                               
                        
                        return null;
                }

                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        dialog.dismiss();
                        
                        
                        if (success) {                          
                                if (stationProvider.getStations().size() == 0)
                                        MessageBox.showMessage(StationList.this, "No stations found!"); // this should not be possible !?!
                                stations = stationProvider.getStations();
                                adapter.setStations( stations );                                
                                
                        } else { //communication or parse errors
                                AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);                                                
                                builder.setMessage("Error on finding nearby stations");
                                builder.setCancelable(true);
                                builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                                
                                                stationsFetched.post( new Runnable() {
                                                        @Override
                                                        public void run() {
                                                                startLocatorTask();                                                             
                                                        }
                                                });
                                        }
                                });
                                builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                        }                                                       
                                });                                                                                             
                                builder.show();                         
                        }
                }
        }
        
        
        class FavoritesMenu implements OnCreateContextMenuListener {
                private final static int FAVORITES_ADD = 9001;
                private final static int FAVORITES_REMOVE = 9002;
                
                private int selectedPosition;
                
                
                @Override
                public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
                                                
                        AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
                        selectedPosition = info.position;
                        int stationID = stations.get(selectedPosition).getId();

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