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

import static dk.thoerup.traininfo.R.string.*;

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(app_name);
                switch (listType) {
                case ListNearest:
                        dialogTitle += " - " + getString(stationlist_nearbystations);
                        break;
                case ListSearch:
                        dialogTitle += " - " + getString(stationlist_search);
                        break;
                case ListFavorites:
                        dialogTitle += " - " + getString(stationlist_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, getString(stationlist_stationmap));
                item.setIcon(android.R.drawable.ic_menu_mapmode);
                
                item = menu.add(0, OPTIONS_GPSINFO, 0, getString(stationlist_gpsinfo));
                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( getString(stationlist_locationinfo) ).append(":\n");
                        if (loc != null) {
                                message.append( getString(stationlist_obtainedby) ).append( loc.getProvider() ).append("\n");
                                message.append( getString(stationlist_accuracy) ).append( (int)loc.getAccuracy()).append("m\n");
                                message.append( getString(stationlist_latitude) ).append( (float)loc.getLatitude()).append("\n");
                                message.append( getString(stationlist_longitude) ).append( (float)loc.getLongitude() ).append("\n");
                        } else {
                                message.append( getString(stationlist_nolocation) );
                        }                       
                        
                        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( getString(stationlist_waitforlocation) );
                        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( getString(stationlist_stationsearch) );
                        builder.setView(rootView);
                        builder.setCancelable(true);
                        builder.setPositiveButton( getString(generic_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( getString(stationlist_twocharmin) );
                                        }
                                }
                        });
                        builder.setNegativeButton(getString(generic_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);
                
                Intent intent = new Intent(this, DepartureList.class);
                intent.putExtra("stationbean", station);
                startActivity(intent);
        }

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

        public void startLookup() {
                isRunning = true;               
                dialogMessage = getString( stationlist_waitforlocation );
                showDialog(DLG_PROGRESS);
                
                locationLookup.locateStations();
                stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, 20000);
        }
        
        void startNameSearch(String name) {
                dialogMessage = getString( stationlist_findbyname );
                showDialog(DLG_PROGRESS);

                findStationsTask = new FindStationsTask();
                findStationsTask.searchByName(name);
                findStationsTask.execute();
                
        }
        
        public void startFavoriteLookup() {
                
                if (favorites.size() > 0) {
                        dialogMessage = getString( stationlist_loadfavorites );
                        showDialog(DLG_PROGRESS);

                        findStationsTask = new FindStationsTask();
                        findStationsTask.searchByIds( favorites.toString() );
                        findStationsTask.execute();
                } else {
                        showMessageAndClose( getString( stationlist_nofavorites ) );
                }
        }


        void startLocatorTask()
        {
                dialogMessage = getString( stationlist_findingnearby ); 
                showDialog(DLG_PROGRESS);
                
                findStationsTask = new FindStationsTask();
                findStationsTask.searchByLocation( locationLookup.getLocation() );
                findStationsTask.execute();     
        }
                
        
        ////////////////////////////////////////////////////////////////////////////
        // 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, getString(stationlist_nolocationprovider) );
                                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(  getString( stationlist_gpstimeout) );
                                                builder.setCancelable(true);
                                                builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
                                                        public void onClick(DialogInterface dialog, int id) {
                                                                dialog.dismiss();
                                                                startLookup();
                                                                
                                                        }
                                                });
                                                builder.setNegativeButton( getString(generic_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) {
                        
                        method = LookupMethod.ByName;
                        name = n;
                }
                
                public void searchByLocation(Location l) {
                        method = LookupMethod.ByLocation;
                        loc = l;
                }
                
                public void searchByIds(String id) {
                        
                        method = LookupMethod.ByList;
                        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        
                        }
                        
                        
                        return null;
                }

                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        dialog.dismiss();
                        
                        
                        if (success) {                          
                                if (stationProvider.getStations().size() == 0) {
                                        showMessageAndClose(getString(stationlist_nostations));
                                }
                                stations = stationProvider.getStations();
                                adapter.setStations( stations );                                
                                
                        } else { //communication or parse errors
                                AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);                                                
                                builder.setMessage(getString(stationlist_nearbyerror));                         
                                builder.setCancelable(true);
                                builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                                
                                                Runnable runner = null;
                                                switch (method) {
                                                case ByLocation:
                                                        runner = new Runnable() {
                                                                @Override
                                                                public void run() {
                                                                        startLocatorTask();                                                             
                                                                }
                                                        };
                                                        break;
                                                case ByName:
                                                        runner = new Runnable() {
                                                                @Override
                                                                public void run() {
                                                                        startNameSearch( FindStationsTask.this.name );
                                                                }
                                                        };
                                                        break;
                                                case ByList:
                                                        runner = new Runnable() {
                                                                @Override
                                                                public void run() {
                                                                        startFavoriteLookup();
                                                                }
                                                        };
                                                        break;
                                                }
                                                
                                                stationsFetched.post( runner );
                                        }
                                });
                                builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                        }                                                       
                                });                     
                                try {
                                        builder.show();
                                } catch (android.view.WindowManager.BadTokenException e) {                                      
                                        Log.i("StationList", "BadTokenException"); // this can happen if the user switched away from this activity, while doInBackground was running
                                }
                        }
                }
        }
        
        
        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, getString(stationlist_addfavorite) );
                        } else {
                                menu.add(0, FAVORITES_REMOVE, 0, getString(stationlist_removefavorite) );
                        }
                        
                }
                
                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, getString(stationlist_stationadded), Toast.LENGTH_SHORT).show();
                        } else {
                                
                                favorites.remove(stationID);
                                Toast.makeText(StationList.this, getString(stationlist_stationremoved), 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	630	import android.util.Log;
22	torben	433	import android.view.ContextMenu;
23	torben	381	import android.view.LayoutInflater;
24	torben	368	import android.view.Menu;
25			import android.view.MenuItem;
26	torben	237	import android.view.View;
27	torben	433	import android.view.ContextMenu.ContextMenuInfo;
28			import android.view.View.OnCreateContextMenuListener;
29			import android.widget.AdapterView;
30	torben	381	import android.widget.EditText;
31	torben	237	import android.widget.ListView;
32	torben	433	import android.widget.Toast;
33	torben	319	import dk.thoerup.traininfo.provider.ProviderFactory;
34			import dk.thoerup.traininfo.provider.StationProvider;
35	torben	368	import dk.thoerup.traininfo.stationmap.GeoPair;
36			import dk.thoerup.traininfo.stationmap.StationMapView;
37	torben	433	import dk.thoerup.traininfo.util.IntSet;
38	torben	245	import dk.thoerup.traininfo.util.MessageBox;
39	torben	237
40	torben	561	import static dk.thoerup.traininfo.R.string.*;
41
42	torben	336	public class StationList extends ListActivity {
43			public static final int GOTLOCATION = 1001;
44			public static final int GOTSTATIONLIST = 1002;
45			public static final int NOPROVIDER = 1003;
46			public static final int LOCATIONFIXTIMEOUT = 1004;
47	torben	368
48	torben	381	public static final int OPTIONS_MAP = 2003;
49	torben	481	public static final int OPTIONS_GPSINFO = 2004;
50
51	torben	433
52	torben	336
53	torben	237
54	torben	381	public static final int DLG_PROGRESS = 3001;
55			public static final int DLG_STATIONNAME = 3002;
56	torben	237
57	torben	440	static enum LookupMethod {
58			ByLocation,
59			ByName,
60			ByList,
61			MethodNone
62			}
63
64
65	torben	336	String dialogMessage = "";
66	torben	237	ProgressDialog dialog;
67	torben	482	LocationLookup locationLookup = null;
68	torben	440	FindStationsTask findStationsTask;
69	torben	381	StationsFetchedHandler stationsFetched = new StationsFetchedHandler();
70	torben	237
71	torben	374	GeoPair location = new GeoPair();
72
73	torben	258	boolean isRunning = false;
74			List<StationBean> stations = new ArrayList<StationBean>();
75
76	torben	319	StationProvider stationProvider = ProviderFactory.getStationProvider();
77	torben	381
78			StationListAdapter adapter = null;
79	torben	258
80	torben	433	FavoritesMenu contextMenu = new FavoritesMenu();
81			IntSet favorites = new IntSet();
82	torben	481
83			WelcomeScreen.ListType listType;
84	torben	433	SharedPreferences prefs;
85
86	torben	381	///////////////////////////////////////////////////////////////////////////////////////////
87			//Activity call backs
88
89	torben	258	@SuppressWarnings("unchecked")
90	torben	237	@Override
91			public void onCreate(Bundle savedInstanceState) {
92			super.onCreate(savedInstanceState);
93	torben	481	setContentView(R.layout.stationlist);
94	torben	237
95	torben	241
96	torben	237	adapter = new StationListAdapter(this);
97			setListAdapter(adapter);
98
99	torben	433	ListView lv = getListView();
100			lv.setOnCreateContextMenuListener(contextMenu);
101
102	torben	482	locationLookup = new LocationLookup(this, stationsFetched);
103	torben	433
104
105			prefs = getSharedPreferences("TrainStation", 0);
106			String favoriteString = prefs.getString("favorites", "");
107			if (! favoriteString.equals("") ) {
108			favorites.fromString(favoriteString);
109			}
110
111	torben	482	listType = (WelcomeScreen.ListType) getIntent().getSerializableExtra("type");
112			setTitle();
113
114	torben	258	if (savedInstanceState == null) {
115	torben	482
116
117	torben	481	switch (listType) {
118			case ListNearest:
119			startLookup();
120			break;
121			case ListSearch:
122			this.showDialog(DLG_STATIONNAME);
123			break;
124			case ListFavorites:
125			startFavoriteLookup();
126			break;
127			default:
128			// Not possible !?!
129			}
130
131	torben	258	} else {
132			stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations");
133	torben	260	adapter.setStations(stations);
134	torben	374	location = (GeoPair) savedInstanceState.getSerializable("location");
135	torben	258	}
136	torben	482
137	torben	237	}
138	torben	482	protected void setTitle() {
139	torben	561	String dialogTitle = getResources().getString(app_name);
140	torben	482	switch (listType) {
141			case ListNearest:
142	torben	561	dialogTitle += " - " + getString(stationlist_nearbystations);
143	torben	482	break;
144			case ListSearch:
145	torben	561	dialogTitle += " - " + getString(stationlist_search);
146	torben	482	break;
147			case ListFavorites:
148	torben	561	dialogTitle += " - " + getString(stationlist_favorites);
149	torben	482	break;
150			default:
151			dialogTitle = "";//not possible
152			}
153
154			setTitle(dialogTitle);
155			}
156
157
158	torben	371
159
160	torben	243	@Override
161			public void onSaveInstanceState(Bundle outState)
162			{
163	torben	258	if (dialog != null && dialog.isShowing())
164	torben	243	dialog.dismiss();
165	torben	258	outState.putSerializable("stations", (ArrayList<StationBean>) stations);
166	torben	374	outState.putSerializable("location", location);
167	torben	482
168	torben	243	}
169	torben	237
170	torben	243
171	torben	237
172			@Override
173	torben	368	public boolean onCreateOptionsMenu(Menu menu) {
174	torben	419	MenuItem item;
175	torben	561
176			item = menu.add(0, OPTIONS_MAP, 0, getString(stationlist_stationmap));
177	torben	419	item.setIcon(android.R.drawable.ic_menu_mapmode);
178
179	torben	561	item = menu.add(0, OPTIONS_GPSINFO, 0, getString(stationlist_gpsinfo));
180	torben	481	item.setIcon(android.R.drawable.ic_menu_mapmode);
181
182	torben	368	return true;
183			}
184
185			@Override
186			public boolean onOptionsItemSelected(MenuItem item) {
187	torben	381	boolean retval = true;
188
189	torben	481	//TODO: Cleanup
190	torben	368	switch (item.getItemId()) {
191			case OPTIONS_MAP:
192
193			Intent intent = new Intent(this,StationMapView.class);
194
195			ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>();
196			for (StationBean st : stations ) {
197	torben	369	stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) );
198	torben	368	}
199
200			intent.putExtra("stations", stationPoints);
201
202			startActivity(intent);
203			break;
204	torben	481	case OPTIONS_GPSINFO:
205	torben	482	Location loc = locationLookup.getLocation();
206	torben	371	StringBuffer message = new StringBuffer();
207	torben	561	message.append( getString(stationlist_locationinfo) ).append(":\n");
208	torben	554	if (loc != null) {
209	torben	561	message.append( getString(stationlist_obtainedby) ).append( loc.getProvider() ).append("\n");
210			message.append( getString(stationlist_accuracy) ).append( (int)loc.getAccuracy()).append("m\n");
211	torben	564	message.append( getString(stationlist_latitude) ).append( (float)loc.getLatitude()).append("\n");
212			message.append( getString(stationlist_longitude) ).append( (float)loc.getLongitude() ).append("\n");
213	torben	554	} else {
214	torben	561	message.append( getString(stationlist_nolocation) );
215	torben	556	}
216
217	torben	371	MessageBox.showMessage(this, message.toString());
218			break;
219	torben	368	default:
220			retval = super.onOptionsItemSelected(item);
221			}
222
223			return retval;
224			}
225	torben	433
226
227	torben	368
228			@Override
229	torben	433	public boolean onContextItemSelected(MenuItem item) {
230			contextMenu.onContextItemSelected(item);
231			return true;
232
233
234			}
235	torben	556
236			public void showMessageAndClose(String message) {
237			AlertDialog.Builder builder = new AlertDialog.Builder(this);
238			builder.setMessage(message)
239			.setCancelable(false)
240			.setPositiveButton("OK", new DialogInterface.OnClickListener() {
241			public void onClick(DialogInterface dialog, int id) {
242			dialog.dismiss();
243			StationList.this.finish();
244			}
245			})
246			.show();
247			}
248	torben	433
249
250
251
252			@Override
253	torben	237	protected Dialog onCreateDialog(int id) {
254			switch (id) {
255			case DLG_PROGRESS:
256			ProgressDialog dlg = new ProgressDialog(this);
257	torben	561	dlg.setMessage( getString(stationlist_waitforlocation) );
258	torben	237	dlg.setCancelable(false);
259	torben	336	return dlg;
260	torben	381	case DLG_STATIONNAME:
261			LayoutInflater factory = LayoutInflater.from(this);
262			final View rootView = factory.inflate(R.layout.textinput, null);
263
264
265			AlertDialog.Builder builder = new AlertDialog.Builder(this);
266
267	torben	561	builder.setTitle( getString(stationlist_stationsearch) );
268	torben	381	builder.setView(rootView);
269			builder.setCancelable(true);
270	torben	561	builder.setPositiveButton( getString(generic_search), new DialogInterface.OnClickListener() {
271	torben	381	public void onClick(DialogInterface dialog, int which) {
272			EditText et = (EditText) rootView.findViewById(R.id.EditText);
273			dialog.dismiss();
274			if (et.getText().toString().length() >= 2) {
275			startNameSearch(et.getText().toString());
276			} else {
277	torben	561	showMessageAndClose( getString(stationlist_twocharmin) );
278	torben	381	}
279			}
280			});
281	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
282	torben	381	public void onClick(DialogInterface dialog, int which) {
283			dialog.dismiss();
284	torben	555	StationList.this.finish(); // Close this Activity
285	torben	381	}
286			});
287			return builder.create();
288
289	torben	237	default:
290			return super.onCreateDialog(id);
291			}
292
293			}
294
295
296			@Override
297			protected void onPrepareDialog(int id, Dialog dialog) {
298			super.onPrepareDialog(id, dialog);
299			switch (id) {
300			case DLG_PROGRESS:
301			this.dialog = (ProgressDialog) dialog;
302	torben	336	if (!dialogMessage.equals("")) {
303			this.dialog.setMessage(dialogMessage);
304			dialogMessage = "";
305			}
306	torben	237	break;
307			}
308			}
309	torben	381
310			@Override
311			protected void onListItemClick(ListView l, View v, int position, long id) {
312			super.onListItemClick(l, v, position, id);
313
314			StationBean station = stations.get(position);
315
316			Intent intent = new Intent(this, DepartureList.class);
317	torben	557	intent.putExtra("stationbean", station);
318	torben	381	startActivity(intent);
319			}
320
321			/////////////////////////////////////////////////////////////
322			//
323
324	torben	237	public void startLookup() {
325	torben	561	isRunning = true;
326			dialogMessage = getString( stationlist_waitforlocation );
327	torben	237	showDialog(DLG_PROGRESS);
328
329	torben	482	locationLookup.locateStations();
330	torben	336	stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, 20000);
331	torben	237	}
332	torben	381
333			void startNameSearch(String name) {
334	torben	561	dialogMessage = getString( stationlist_findbyname );
335	torben	381	showDialog(DLG_PROGRESS);
336	torben	237
337	torben	440	findStationsTask = new FindStationsTask();
338	torben	579	findStationsTask.searchByName(name);
339	torben	440	findStationsTask.execute();
340	torben	381
341			}
342	torben	433
343			public void startFavoriteLookup() {
344
345	torben	440	if (favorites.size() > 0) {
346	torben	561	dialogMessage = getString( stationlist_loadfavorites );
347	torben	433	showDialog(DLG_PROGRESS);
348	torben	237
349	torben	440	findStationsTask = new FindStationsTask();
350	torben	579	findStationsTask.searchByIds( favorites.toString() );
351	torben	440	findStationsTask.execute();
352	torben	433	} else {
353	torben	561	showMessageAndClose( getString( stationlist_nofavorites ) );
354	torben	433	}
355			}
356	torben	381
357	torben	433
358	torben	381
359			void startLocatorTask()
360			{
361	torben	561	dialogMessage = getString( stationlist_findingnearby );
362	torben	381	showDialog(DLG_PROGRESS);
363
364	torben	440	findStationsTask = new FindStationsTask();
365	torben	482	findStationsTask.searchByLocation( locationLookup.getLocation() );
366	torben	440	findStationsTask.execute();
367	torben	381	}
368
369
370			////////////////////////////////////////////////////////////////////////////
371			// Inner classes
372
373			class StationsFetchedHandler extends Handler {
374	torben	237	@Override
375			public void handleMessage(Message msg) {
376	torben	336
377	torben	237	switch (msg.what) {
378			case GOTLOCATION:
379	torben	336	dismissDialog(DLG_PROGRESS);
380
381			startLocatorTask();
382	torben	482	location = GeoPair.fromLocation( locationLookup.getLocation() );
383	torben	336
384	torben	237	break;
385	torben	319
386	torben	237	case NOPROVIDER:
387	torben	336	dismissDialog(DLG_PROGRESS);
388	torben	561	MessageBox.showMessage(StationList.this, getString(stationlist_nolocationprovider) );
389	torben	237	break;
390	torben	336	case LOCATIONFIXTIMEOUT:
391	torben	237	if (isRunning) {
392	torben	482	locationLookup.stopSearch();
393			if (locationLookup.hasLocation()) {
394	torben	336	stationsFetched.sendEmptyMessage( GOTLOCATION );
395			} else {
396			dismissDialog(DLG_PROGRESS);
397
398			AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
399	torben	561	builder.setMessage( getString( stationlist_gpstimeout) );
400	torben	336	builder.setCancelable(true);
401	torben	561	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
402	torben	336	public void onClick(DialogInterface dialog, int id) {
403			dialog.dismiss();
404			startLookup();
405
406			}
407			});
408	torben	561	builder.setNegativeButton( getString(generic_cancel), new DialogInterface.OnClickListener() {
409	torben	336	public void onClick(DialogInterface dialog, int id) {
410			dialog.dismiss();
411			}
412			});
413			builder.show();
414
415	torben	285	}
416	torben	237	}
417			break;
418			}
419			isRunning = false;
420			}
421			};
422	torben	381
423	torben	237
424	torben	440	class FindStationsTask extends AsyncTask<Void,Void,Void> {
425	torben	336
426	torben	381	LookupMethod method = LookupMethod.MethodNone;
427			boolean success;
428			String name;
429			Location loc;
430	torben	433	String ids;
431	torben	237
432	torben	579	public void searchByName(String n) {
433	torben	317
434	torben	381	method = LookupMethod.ByName;
435			name = n;
436	torben	317	}
437
438	torben	381	public void searchByLocation(Location l) {
439			method = LookupMethod.ByLocation;
440			loc = l;
441			}
442
443	torben	579	public void searchByIds(String id) {
444	torben	433
445			method = LookupMethod.ByList;
446			ids = id;
447			}
448
449	torben	241	@Override
450			protected void onPreExecute() {
451	torben	258
452	torben	381	if (method.equals(LookupMethod.MethodNone))
453			throw new RuntimeException("Method not set");
454	torben	241	super.onPreExecute();
455			}
456
457			@Override
458			protected Void doInBackground(Void... params) {
459	torben	473
460			switch (method) {
461			case ByLocation:
462	torben	381	success = stationProvider.lookupStations(loc);
463	torben	473	break;
464			case ByName:
465	torben	433	success = stationProvider.lookupStationsByName(name);
466	torben	473	break;
467			case ByList:
468	torben	433	success = stationProvider.lookupStationsByIds(ids);
469	torben	473	break;
470			default:
471			success = false; // not possible
472			}
473	torben	433
474	torben	473
475	torben	241	return null;
476			}
477
478			@Override
479			protected void onPostExecute(Void result) {
480			super.onPostExecute(result);
481	torben	319	dialog.dismiss();
482
483	torben	473
484	torben	319	if (success) {
485	torben	566	if (stationProvider.getStations().size() == 0) {
486			showMessageAndClose(getString(stationlist_nostations));
487			}
488	torben	319	stations = stationProvider.getStations();
489	torben	481	adapter.setStations( stations );
490	torben	319
491			} else { //communication or parse errors
492	torben	336	AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
493	torben	561	builder.setMessage(getString(stationlist_nearbyerror));
494	torben	336	builder.setCancelable(true);
495	torben	561	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
496	torben	336	public void onClick(DialogInterface dialog, int id) {
497			dialog.dismiss();
498
499	torben	652	Runnable runner = null;
500			switch (method) {
501			case ByLocation:
502			runner = new Runnable() {
503			@Override
504			public void run() {
505			startLocatorTask();
506			}
507			};
508			break;
509			case ByName:
510			runner = new Runnable() {
511			@Override
512			public void run() {
513			startNameSearch( FindStationsTask.this.name );
514			}
515			};
516			break;
517			case ByList:
518			runner = new Runnable() {
519			@Override
520			public void run() {
521			startFavoriteLookup();
522			}
523			};
524			break;
525			}
526
527			stationsFetched.post( runner );
528	torben	336	}
529			});
530	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
531	torben	336	public void onClick(DialogInterface dialog, int id) {
532			dialog.dismiss();
533			}
534	torben	630	});
535			try {
536			builder.show();
537			} catch (android.view.WindowManager.BadTokenException e) {
538			Log.i("StationList", "BadTokenException"); // this can happen if the user switched away from this activity, while doInBackground was running
539			}
540	torben	319	}
541	torben	241	}
542			}
543	torben	433
544
545			class FavoritesMenu implements OnCreateContextMenuListener {
546			private final static int FAVORITES_ADD = 9001;
547			private final static int FAVORITES_REMOVE = 9002;
548
549			private int selectedPosition;
550
551
552			@Override
553			public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
554
555			AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
556			selectedPosition = info.position;
557			int stationID = stations.get(selectedPosition).getId();
558
559	torben	441	if (!favorites.contains(stationID)) {
560	torben	561	menu.add(0, FAVORITES_ADD, 0, getString(stationlist_addfavorite) );
561	torben	433	} else {
562	torben	563	menu.add(0, FAVORITES_REMOVE, 0, getString(stationlist_removefavorite) );
563	torben	433	}
564
565			}
566
567			public void onContextItemSelected(MenuItem item) {
568			StationBean sb = stations.get(selectedPosition);
569
570			int stationID = sb.getId();
571			if (item.getItemId() == FAVORITES_ADD) {
572			favorites.add(stationID);
573	torben	561	Toast.makeText(StationList.this, getString(stationlist_stationadded), Toast.LENGTH_SHORT).show();
574	torben	433	} else {
575	torben	473
576	torben	433	favorites.remove(stationID);
577	torben	561	Toast.makeText(StationList.this, getString(stationlist_stationremoved), Toast.LENGTH_SHORT).show();
578	torben	473
579	torben	481
580			if (listType.equals( WelcomeScreen.ListType.ListFavorites) ) {
581	torben	473	stations.remove(selectedPosition);
582			adapter.notifyDataSetChanged();
583			}
584	torben	433	}
585	torben	435	Editor ed = prefs.edit();
586			ed.putString("favorites", favorites.toString());
587			ed.commit();
588	torben	433	}
589			}
590	torben	237	}