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");
                        if (loc != null) {
                                message.append("-Obtained by: ").append( loc.getProvider() ).append("\n");
                                message.append("-Accuracy: ").append( (int)loc.getAccuracy()).append("m\n");
                                message.append("-Latitude: ").append( loc.getLatitude()).append("\n");
                                message.append("-Longitude: ").append( loc.getLongitude() ).append("\n");
                        } else {
                                message.append(" - No location data!");
                        }                       
                        
                        MessageBox.showMessage(this, message.toString());
                        break;
                default:
                        retval = super.onOptionsItemSelected(item);
                }
                
                return retval;
        }
        
        
        @Override
        public boolean onContextItemSelected(MenuItem item) {
                contextMenu.onContextItemSelected(item);
                return true;


        }
        
        public void showMessageAndClose(String message) {
                AlertDialog.Builder builder = new AlertDialog.Builder(this);
                builder.setMessage(message)
                .setCancelable(false)
                .setPositiveButton("OK", new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int id) {
                                dialog.dismiss();
                                StationList.this.finish();
                        }
                })
                .show();
        }


        @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 {
                                                showMessageAndClose("Two characters minimum");
                                        }
                                }
                        });
                        builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                                public void onClick(DialogInterface dialog, int which) {
                                        dialog.dismiss();
                                        StationList.this.finish(); // Close this Activity
                                }
                        });                     
                        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());
                intent.putExtra("isregional", station.isRegional());
                intent.putExtra("isstrain", station.isSTrain());
                intent.putExtra("ismetro", station.isMetro());
                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 {
                        showMessageAndClose( "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	torben	554	if (loc != null) {
206			message.append("-Obtained by: ").append( loc.getProvider() ).append("\n");
207			message.append("-Accuracy: ").append( (int)loc.getAccuracy()).append("m\n");
208			message.append("-Latitude: ").append( loc.getLatitude()).append("\n");
209			message.append("-Longitude: ").append( loc.getLongitude() ).append("\n");
210			} else {
211			message.append(" - No location data!");
212	torben	556	}
213
214	torben	371	MessageBox.showMessage(this, message.toString());
215			break;
216	torben	368	default:
217			retval = super.onOptionsItemSelected(item);
218			}
219
220			return retval;
221			}
222	torben	433
223
224	torben	368
225			@Override
226	torben	433	public boolean onContextItemSelected(MenuItem item) {
227			contextMenu.onContextItemSelected(item);
228			return true;
229
230
231			}
232	torben	556
233			public void showMessageAndClose(String message) {
234			AlertDialog.Builder builder = new AlertDialog.Builder(this);
235			builder.setMessage(message)
236			.setCancelable(false)
237			.setPositiveButton("OK", new DialogInterface.OnClickListener() {
238			public void onClick(DialogInterface dialog, int id) {
239			dialog.dismiss();
240			StationList.this.finish();
241			}
242			})
243			.show();
244			}
245	torben	433
246
247
248
249			@Override
250	torben	237	protected Dialog onCreateDialog(int id) {
251			switch (id) {
252			case DLG_PROGRESS:
253			ProgressDialog dlg = new ProgressDialog(this);
254			dlg.setMessage("Wait for location fix");
255			dlg.setCancelable(false);
256	torben	336	return dlg;
257	torben	381	case DLG_STATIONNAME:
258			LayoutInflater factory = LayoutInflater.from(this);
259			final View rootView = factory.inflate(R.layout.textinput, null);
260
261
262			AlertDialog.Builder builder = new AlertDialog.Builder(this);
263
264			builder.setTitle("Station search");
265			builder.setView(rootView);
266			builder.setCancelable(true);
267			builder.setPositiveButton("Search", new DialogInterface.OnClickListener() {
268			public void onClick(DialogInterface dialog, int which) {
269			EditText et = (EditText) rootView.findViewById(R.id.EditText);
270			dialog.dismiss();
271			if (et.getText().toString().length() >= 2) {
272			startNameSearch(et.getText().toString());
273			} else {
274	torben	556	showMessageAndClose("Two characters minimum");
275	torben	381	}
276			}
277			});
278			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
279			public void onClick(DialogInterface dialog, int which) {
280			dialog.dismiss();
281	torben	555	StationList.this.finish(); // Close this Activity
282	torben	381	}
283			});
284			return builder.create();
285
286	torben	237	default:
287			return super.onCreateDialog(id);
288			}
289
290			}
291
292
293			@Override
294			protected void onPrepareDialog(int id, Dialog dialog) {
295			super.onPrepareDialog(id, dialog);
296			switch (id) {
297			case DLG_PROGRESS:
298			this.dialog = (ProgressDialog) dialog;
299	torben	336	if (!dialogMessage.equals("")) {
300			this.dialog.setMessage(dialogMessage);
301			dialogMessage = "";
302			}
303	torben	237	break;
304			}
305			}
306	torben	381
307			@Override
308			protected void onListItemClick(ListView l, View v, int position, long id) {
309			super.onListItemClick(l, v, position, id);
310
311			StationBean station = stations.get(position);
312	torben	237
313	torben	381	double latitude = station.getLatitude();
314			double longitude = station.getLongitude();
315
316
317
318			Intent intent = new Intent(this, DepartureList.class);
319			intent.putExtra("name", station.getName());
320			intent.putExtra("distance", station.getDistance());
321			intent.putExtra("latitude", latitude);
322			intent.putExtra("longitude", longitude);
323			intent.putExtra("stationid", station.getId());
324			intent.putExtra("address", station.getAddress());
325	torben	552	intent.putExtra("isregional", station.isRegional());
326			intent.putExtra("isstrain", station.isSTrain());
327			intent.putExtra("ismetro", station.isMetro());
328	torben	381	startActivity(intent);
329			}
330
331			/////////////////////////////////////////////////////////////
332			//
333
334	torben	237	public void startLookup() {
335			isRunning = true;
336	torben	381	dialogMessage = "Wait for location fix";
337	torben	237	showDialog(DLG_PROGRESS);
338
339	torben	482	locationLookup.locateStations();
340	torben	336	stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, 20000);
341	torben	237	}
342	torben	381
343			void startNameSearch(String name) {
344			dialogMessage = "Finding stations by name";
345			showDialog(DLG_PROGRESS);
346	torben	237
347	torben	440	findStationsTask = new FindStationsTask();
348	torben	482	findStationsTask.searchByName(name, locationLookup.getLocation());
349	torben	440	findStationsTask.execute();
350	torben	381
351			}
352	torben	433
353			public void startFavoriteLookup() {
354
355	torben	440	if (favorites.size() > 0) {
356	torben	433	dialogMessage = "Loading favorites";
357			showDialog(DLG_PROGRESS);
358	torben	237
359	torben	440	findStationsTask = new FindStationsTask();
360	torben	482	findStationsTask.searchByIds(favorites.toString(), locationLookup.getLocation());
361	torben	440	findStationsTask.execute();
362	torben	433	} else {
363	torben	556	showMessageAndClose( "Favorite list is empty");
364	torben	433	}
365			}
366	torben	381
367	torben	433
368	torben	381
369			void startLocatorTask()
370			{
371			dialogMessage = "Finding nearby stations";
372			showDialog(DLG_PROGRESS);
373
374	torben	440	findStationsTask = new FindStationsTask();
375	torben	482	findStationsTask.searchByLocation( locationLookup.getLocation() );
376	torben	440	findStationsTask.execute();
377	torben	381	}
378
379
380	torben	493	/* TODO: Remove this no longer needed function
381	torben	381	String lookupAddress(double latitude, double longitude) {
382
383			Geocoder coder = new Geocoder(this, new Locale("da"));
384			StringBuilder sb = new StringBuilder();
385			Log.i("lookupaddr", "" + latitude + "/" + longitude);
386			try {
387			List<Address> addressList = coder.getFromLocation(latitude, longitude, 1);
388			Address addr = addressList.get(0);
389
390
391			int max = addr.getMaxAddressLineIndex();
392			for (int i=0; i<max; i++) {
393			if (i>0)
394			sb.append(", ");
395
396			sb.append(addr.getAddressLine(i));
397			}
398
399
400			} catch (Exception e) {
401			Log.e("DepartureList", "geocoder failed", e);
402			}
403
404			return sb.toString();
405	torben	493	}*/
406	torben	381
407
408			////////////////////////////////////////////////////////////////////////////
409			// Inner classes
410
411			class StationsFetchedHandler extends Handler {
412	torben	237	@Override
413			public void handleMessage(Message msg) {
414	torben	336
415	torben	237	switch (msg.what) {
416			case GOTLOCATION:
417	torben	336	dismissDialog(DLG_PROGRESS);
418
419			startLocatorTask();
420	torben	482	location = GeoPair.fromLocation( locationLookup.getLocation() );
421	torben	336
422	torben	237	break;
423	torben	319
424	torben	237	case NOPROVIDER:
425	torben	336	dismissDialog(DLG_PROGRESS);
426			MessageBox.showMessage(StationList.this,"No location provider enabled. Plase enable gps.");
427	torben	237	break;
428	torben	336	case LOCATIONFIXTIMEOUT:
429	torben	237	if (isRunning) {
430	torben	482	locationLookup.stopSearch();
431			if (locationLookup.hasLocation()) {
432	torben	336	stationsFetched.sendEmptyMessage( GOTLOCATION );
433			} else {
434			dismissDialog(DLG_PROGRESS);
435
436			AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
437	torben	420	builder.setMessage("Location fix timed out");
438	torben	336	builder.setCancelable(true);
439			builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
440			public void onClick(DialogInterface dialog, int id) {
441			dialog.dismiss();
442			startLookup();
443
444			}
445			});
446			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
447			public void onClick(DialogInterface dialog, int id) {
448			dialog.dismiss();
449			}
450			});
451			builder.show();
452
453	torben	285	}
454	torben	237	}
455			break;
456			}
457			isRunning = false;
458			}
459			};
460	torben	381
461	torben	237
462	torben	440	class FindStationsTask extends AsyncTask<Void,Void,Void> {
463	torben	336
464	torben	381	LookupMethod method = LookupMethod.MethodNone;
465			boolean success;
466			String name;
467			Location loc;
468	torben	433	String ids;
469	torben	237
470	torben	381	public void searchByName(String n, Location l) {
471	torben	317
472	torben	381	method = LookupMethod.ByName;
473			loc = l;
474			name = n;
475	torben	317	}
476
477	torben	381	public void searchByLocation(Location l) {
478			method = LookupMethod.ByLocation;
479			loc = l;
480			}
481
482	torben	433	public void searchByIds(String id, Location l) {
483
484			method = LookupMethod.ByList;
485			loc = l;
486			ids = id;
487			}
488
489	torben	241	@Override
490			protected void onPreExecute() {
491	torben	258
492	torben	381	if (method.equals(LookupMethod.MethodNone))
493			throw new RuntimeException("Method not set");
494	torben	241	super.onPreExecute();
495			}
496
497			@Override
498			protected Void doInBackground(Void... params) {
499	torben	473
500			switch (method) {
501			case ByLocation:
502	torben	381	success = stationProvider.lookupStations(loc);
503	torben	473	break;
504			case ByName:
505	torben	433	success = stationProvider.lookupStationsByName(name);
506	torben	473	break;
507			case ByList:
508	torben	433	success = stationProvider.lookupStationsByIds(ids);
509	torben	473	break;
510			default:
511			success = false; // not possible
512			}
513	torben	433
514	torben	473
515	torben	381	Location dummy = new Location("gps");
516	torben	319	List<StationBean> stations = stationProvider.getStations();
517	torben	381
518			for (StationBean station : stations) {
519	torben	493
520	torben	478	if (method.equals(LookupMethod.ByName) \|\| method.equals(LookupMethod.ByList)) {
521			if (loc != null) { //only do the distance calc if we have a location
522	torben	476	dummy.setLatitude(station.getLatitude());
523			dummy.setLongitude(station.getLongitude());
524			station.setDistance( (int)loc.distanceTo(dummy) );
525	torben	478	} else {
526			station.setDistance(0);
527	torben	476	}
528	torben	381	}
529	torben	478
530	torben	381	}
531	torben	317
532	torben	241	return null;
533			}
534
535			@Override
536			protected void onPostExecute(Void result) {
537			super.onPostExecute(result);
538	torben	319	dialog.dismiss();
539
540	torben	473
541	torben	319	if (success) {
542			if (stationProvider.getStations().size() == 0)
543	torben	336	MessageBox.showMessage(StationList.this, "No stations found!"); // this should not be possible !?!
544	torben	319	stations = stationProvider.getStations();
545	torben	481	adapter.setStations( stations );
546	torben	319
547			} else { //communication or parse errors
548	torben	336	AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
549			builder.setMessage("Error on finding nearby stations");
550			builder.setCancelable(true);
551			builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
552			public void onClick(DialogInterface dialog, int id) {
553			dialog.dismiss();
554
555			stationsFetched.post( new Runnable() {
556			@Override
557			public void run() {
558			startLocatorTask();
559			}
560			});
561			}
562			});
563			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
564			public void onClick(DialogInterface dialog, int id) {
565			dialog.dismiss();
566			}
567			});
568			builder.show();
569	torben	319	}
570	torben	241	}
571			}
572	torben	433
573
574			class FavoritesMenu implements OnCreateContextMenuListener {
575			private final static int FAVORITES_ADD = 9001;
576			private final static int FAVORITES_REMOVE = 9002;
577
578			private int selectedPosition;
579
580
581			@Override
582			public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
583
584			AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
585			selectedPosition = info.position;
586			int stationID = stations.get(selectedPosition).getId();
587
588	torben	441	if (!favorites.contains(stationID)) {
589	torben	433	menu.add(0, FAVORITES_ADD, 0, "Add to favorites");
590			} else {
591			menu.add(0, FAVORITES_REMOVE, 0, "Remove from favorites");
592			}
593
594			}
595
596			public void onContextItemSelected(MenuItem item) {
597			StationBean sb = stations.get(selectedPosition);
598
599			int stationID = sb.getId();
600			if (item.getItemId() == FAVORITES_ADD) {
601			favorites.add(stationID);
602			Toast.makeText(StationList.this, "Station added", Toast.LENGTH_SHORT).show();
603			} else {
604	torben	473
605	torben	433	favorites.remove(stationID);
606			Toast.makeText(StationList.this, "Station removed", Toast.LENGTH_SHORT).show();
607	torben	473
608	torben	481
609			if (listType.equals( WelcomeScreen.ListType.ListFavorites) ) {
610	torben	473	stations.remove(selectedPosition);
611			adapter.notifyDataSetChanged();
612			}
613	torben	433	}
614	torben	435	Editor ed = prefs.edit();
615			ed.putString("favorites", favorites.toString());
616			ed.commit();
617	torben	433	}
618			}
619	torben	237	}