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;

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