thoerup/traininfo/StationList.java

package dk.thoerup.traininfo;

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


import android.app.Activity;
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;
        
        
        public static final int GPS_TIMEOUT_MS = 15000; //how long are we willing to wait for gps fix -in milliseconds
        
        
        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 isLaunchedforShortcut;
        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();
                
                isLaunchedforShortcut = getIntent().getBooleanExtra("shortcut", false);
                
                if (savedInstanceState == null) {

                        
                        switch (listType) {
                        case ListNearest:
                                startLookup();
                                break;
                        case ListSearch:                                
                                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");
                }
                
        }
        
        
        @Override
        protected void onStart() {
                super.onStart();
                ProviderFactory.purgeOldEntries();
        }


        @Override
        protected void onDestroy() {
                super.onDestroy();
                
                isRunning = false;
                
                if (locationLookup != null) {
                        locationLookup.stopSearch();
                }
                if (findStationsTask != null) {
                        findStationsTask.cancel(true);
                }               
        }

        
        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(), false);
                        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();
                                        String search = et.getText().toString().trim();
                                        if (search.length() >= 2) {
                                                startNameSearch(search);
                                        } 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);
                
                if (isLaunchedforShortcut == true) {
                        Intent i = new Intent();
                        i.putExtra("station", station);
                        setResult(Activity.RESULT_OK, i);
                        finish();
                } else {                
                        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, GPS_TIMEOUT_MS);
        }
        
        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), true );
                                //StationList.this.finish();
                                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;
                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:
                                stations = stationProvider.lookupStations(loc);
                                break;
                        case ByName:
                                stations = stationProvider.lookupStationsByName(name);
                                break;
                        case ByList:
                                stations = stationProvider.lookupStationsByIds(ids);
                                break;
                        default:
                                stations = null; // not possible        
                        }
                        
                        
                        return null;
                }

                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        dialog.dismiss();
                        
                        
                        if (stations != null) {                         
                                if (stations.size() == 0) {
                                        showMessageAndClose(getString(stationlist_nostations));
                                }

                                StationList.this.getListView().invalidateViews();
                                adapter.setStations( stations );                                
                                
                                
                        } else { //communication or parse errors
                                AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);                                                
                                builder.setMessage(getString(stationlist_fetcherror));                          
                                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();
                                                StationList.this.finish();
                                        }                                                       
                                });
                                
                                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	731	import android.app.Activity;
8	torben	336	import android.app.AlertDialog;
9	torben	237	import android.app.Dialog;
10			import android.app.ListActivity;
11			import android.app.ProgressDialog;
12	torben	336	import android.content.DialogInterface;
13	torben	237	import android.content.Intent;
14	torben	433	import android.content.SharedPreferences;
15	torben	435	import android.content.SharedPreferences.Editor;
16	torben	319	import android.location.Location;
17	torben	241	import android.os.AsyncTask;
18	torben	237	import android.os.Bundle;
19			import android.os.Handler;
20			import android.os.Message;
21	torben	493
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	torben	433
51	torben	381	public static final int DLG_PROGRESS = 3001;
52			public static final int DLG_STATIONNAME = 3002;
53	torben	237
54	torben	948
55	torben	1019	public static final int GPS_TIMEOUT_MS = 15000; //how long are we willing to wait for gps fix -in milliseconds
56	torben	948
57
58	torben	440	static enum LookupMethod {
59			ByLocation,
60			ByName,
61			ByList,
62			MethodNone
63			}
64
65
66	torben	336	String dialogMessage = "";
67	torben	237	ProgressDialog dialog;
68	torben	482	LocationLookup locationLookup = null;
69	torben	440	FindStationsTask findStationsTask;
70	torben	381	StationsFetchedHandler stationsFetched = new StationsFetchedHandler();
71	torben	237
72	torben	374	GeoPair location = new GeoPair();
73	torben	731
74			boolean isLaunchedforShortcut;
75	torben	258	boolean isRunning = false;
76			List<StationBean> stations = new ArrayList<StationBean>();
77
78	torben	319	StationProvider stationProvider = ProviderFactory.getStationProvider();
79	torben	381
80			StationListAdapter adapter = null;
81	torben	258
82	torben	433	FavoritesMenu contextMenu = new FavoritesMenu();
83			IntSet favorites = new IntSet();
84	torben	481
85			WelcomeScreen.ListType listType;
86	torben	433	SharedPreferences prefs;
87
88	torben	381	///////////////////////////////////////////////////////////////////////////////////////////
89			//Activity call backs
90
91	torben	258	@SuppressWarnings("unchecked")
92	torben	237	@Override
93			public void onCreate(Bundle savedInstanceState) {
94			super.onCreate(savedInstanceState);
95	torben	481	setContentView(R.layout.stationlist);
96	torben	237
97	torben	241
98	torben	237	adapter = new StationListAdapter(this);
99			setListAdapter(adapter);
100
101	torben	433	ListView lv = getListView();
102			lv.setOnCreateContextMenuListener(contextMenu);
103
104	torben	482	locationLookup = new LocationLookup(this, stationsFetched);
105	torben	433
106
107			prefs = getSharedPreferences("TrainStation", 0);
108			String favoriteString = prefs.getString("favorites", "");
109			if (! favoriteString.equals("") ) {
110			favorites.fromString(favoriteString);
111			}
112
113	torben	482	listType = (WelcomeScreen.ListType) getIntent().getSerializableExtra("type");
114			setTitle();
115
116	torben	731	isLaunchedforShortcut = getIntent().getBooleanExtra("shortcut", false);
117
118	torben	258	if (savedInstanceState == null) {
119	torben	482
120
121	torben	481	switch (listType) {
122			case ListNearest:
123			startLookup();
124			break;
125	torben	983	case ListSearch:
126	torben	1008	showDialog(DLG_STATIONNAME);
127	torben	481	break;
128			case ListFavorites:
129			startFavoriteLookup();
130			break;
131			default:
132			// Not possible !?!
133			}
134
135	torben	258	} else {
136			stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations");
137	torben	260	adapter.setStations(stations);
138	torben	374	location = (GeoPair) savedInstanceState.getSerializable("location");
139	torben	258	}
140	torben	482
141	torben	237	}
142	torben	918
143	torben	1027
144
145	torben	918
146			@Override
147	torben	1027	protected void onStart() {
148			super.onStart();
149			ProviderFactory.purgeOldEntries();
150			}
151
152
153
154
155			@Override
156	torben	918	protected void onDestroy() {
157			super.onDestroy();
158
159	torben	1025	isRunning = false;
160
161	torben	919	if (locationLookup != null) {
162			locationLookup.stopSearch();
163			}
164	torben	1025	if (findStationsTask != null) {
165			findStationsTask.cancel(true);
166			}
167	torben	918	}
168
169
170	torben	482	protected void setTitle() {
171	torben	561	String dialogTitle = getResources().getString(app_name);
172	torben	482	switch (listType) {
173			case ListNearest:
174	torben	561	dialogTitle += " - " + getString(stationlist_nearbystations);
175	torben	482	break;
176			case ListSearch:
177	torben	561	dialogTitle += " - " + getString(stationlist_search);
178	torben	482	break;
179			case ListFavorites:
180	torben	561	dialogTitle += " - " + getString(stationlist_favorites);
181	torben	482	break;
182			default:
183			dialogTitle = "";//not possible
184			}
185
186			setTitle(dialogTitle);
187	torben	701
188	torben	482	}
189
190	torben	701
191	torben	371
192	torben	243	@Override
193			public void onSaveInstanceState(Bundle outState)
194			{
195	torben	258	if (dialog != null && dialog.isShowing())
196	torben	243	dialog.dismiss();
197	torben	258	outState.putSerializable("stations", (ArrayList<StationBean>) stations);
198	torben	374	outState.putSerializable("location", location);
199	torben	482
200	torben	243	}
201	torben	237
202	torben	243
203	torben	237
204			@Override
205	torben	368	public boolean onCreateOptionsMenu(Menu menu) {
206	torben	419	MenuItem item;
207	torben	561
208			item = menu.add(0, OPTIONS_MAP, 0, getString(stationlist_stationmap));
209	torben	419	item.setIcon(android.R.drawable.ic_menu_mapmode);
210
211	torben	561	item = menu.add(0, OPTIONS_GPSINFO, 0, getString(stationlist_gpsinfo));
212	torben	481	item.setIcon(android.R.drawable.ic_menu_mapmode);
213
214	torben	368	return true;
215			}
216
217			@Override
218			public boolean onOptionsItemSelected(MenuItem item) {
219	torben	381	boolean retval = true;
220
221	torben	481	//TODO: Cleanup
222	torben	368	switch (item.getItemId()) {
223			case OPTIONS_MAP:
224
225			Intent intent = new Intent(this,StationMapView.class);
226
227			ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>();
228			for (StationBean st : stations ) {
229	torben	369	stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) );
230	torben	368	}
231
232			intent.putExtra("stations", stationPoints);
233
234			startActivity(intent);
235			break;
236	torben	481	case OPTIONS_GPSINFO:
237	torben	482	Location loc = locationLookup.getLocation();
238	torben	371	StringBuffer message = new StringBuffer();
239	torben	561	message.append( getString(stationlist_locationinfo) ).append(":\n");
240	torben	554	if (loc != null) {
241	torben	561	message.append( getString(stationlist_obtainedby) ).append( loc.getProvider() ).append("\n");
242			message.append( getString(stationlist_accuracy) ).append( (int)loc.getAccuracy()).append("m\n");
243	torben	564	message.append( getString(stationlist_latitude) ).append( (float)loc.getLatitude()).append("\n");
244			message.append( getString(stationlist_longitude) ).append( (float)loc.getLongitude() ).append("\n");
245	torben	554	} else {
246	torben	561	message.append( getString(stationlist_nolocation) );
247	torben	556	}
248
249	torben	906	MessageBox.showMessage(this, message.toString(), false);
250	torben	371	break;
251	torben	368	default:
252			retval = super.onOptionsItemSelected(item);
253			}
254
255			return retval;
256			}
257	torben	433
258
259	torben	368
260			@Override
261	torben	433	public boolean onContextItemSelected(MenuItem item) {
262			contextMenu.onContextItemSelected(item);
263			return true;
264
265
266			}
267	torben	556
268			public void showMessageAndClose(String message) {
269			AlertDialog.Builder builder = new AlertDialog.Builder(this);
270			builder.setMessage(message)
271			.setCancelable(false)
272			.setPositiveButton("OK", new DialogInterface.OnClickListener() {
273			public void onClick(DialogInterface dialog, int id) {
274			dialog.dismiss();
275			StationList.this.finish();
276			}
277			})
278			.show();
279			}
280	torben	433
281
282
283
284			@Override
285	torben	237	protected Dialog onCreateDialog(int id) {
286			switch (id) {
287			case DLG_PROGRESS:
288			ProgressDialog dlg = new ProgressDialog(this);
289	torben	561	dlg.setMessage( getString(stationlist_waitforlocation) );
290	torben	237	dlg.setCancelable(false);
291	torben	336	return dlg;
292	torben	381	case DLG_STATIONNAME:
293			LayoutInflater factory = LayoutInflater.from(this);
294			final View rootView = factory.inflate(R.layout.textinput, null);
295
296
297			AlertDialog.Builder builder = new AlertDialog.Builder(this);
298
299	torben	561	builder.setTitle( getString(stationlist_stationsearch) );
300	torben	381	builder.setView(rootView);
301			builder.setCancelable(true);
302	torben	561	builder.setPositiveButton( getString(generic_search), new DialogInterface.OnClickListener() {
303	torben	381	public void onClick(DialogInterface dialog, int which) {
304			EditText et = (EditText) rootView.findViewById(R.id.EditText);
305			dialog.dismiss();
306	torben	713	String search = et.getText().toString().trim();
307			if (search.length() >= 2) {
308			startNameSearch(search);
309	torben	381	} else {
310	torben	561	showMessageAndClose( getString(stationlist_twocharmin) );
311	torben	381	}
312			}
313			});
314	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
315	torben	381	public void onClick(DialogInterface dialog, int which) {
316			dialog.dismiss();
317	torben	555	StationList.this.finish(); // Close this Activity
318	torben	381	}
319			});
320			return builder.create();
321
322	torben	237	default:
323			return super.onCreateDialog(id);
324			}
325
326			}
327
328
329			@Override
330			protected void onPrepareDialog(int id, Dialog dialog) {
331			super.onPrepareDialog(id, dialog);
332			switch (id) {
333			case DLG_PROGRESS:
334			this.dialog = (ProgressDialog) dialog;
335	torben	336	if (!dialogMessage.equals("")) {
336			this.dialog.setMessage(dialogMessage);
337			dialogMessage = "";
338			}
339	torben	237	break;
340			}
341			}
342	torben	381
343			@Override
344			protected void onListItemClick(ListView l, View v, int position, long id) {
345			super.onListItemClick(l, v, position, id);
346
347			StationBean station = stations.get(position);
348
349	torben	731	if (isLaunchedforShortcut == true) {
350			Intent i = new Intent();
351			i.putExtra("station", station);
352			setResult(Activity.RESULT_OK, i);
353			finish();
354			} else {
355			Intent intent = new Intent(this, DepartureList.class);
356			intent.putExtra("stationbean", station);
357			startActivity(intent);
358			}
359	torben	381	}
360
361			/////////////////////////////////////////////////////////////
362			//
363
364	torben	237	public void startLookup() {
365	torben	561	isRunning = true;
366			dialogMessage = getString( stationlist_waitforlocation );
367	torben	1008	showDialog(DLG_PROGRESS);
368	torben	237
369	torben	482	locationLookup.locateStations();
370	torben	948	stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, GPS_TIMEOUT_MS);
371	torben	237	}
372	torben	381
373			void startNameSearch(String name) {
374	torben	561	dialogMessage = getString( stationlist_findbyname );
375	torben	1008	showDialog(DLG_PROGRESS);
376	torben	237
377	torben	440	findStationsTask = new FindStationsTask();
378	torben	579	findStationsTask.searchByName(name);
379	torben	440	findStationsTask.execute();
380	torben	381
381			}
382	torben	433
383			public void startFavoriteLookup() {
384
385	torben	440	if (favorites.size() > 0) {
386	torben	561	dialogMessage = getString( stationlist_loadfavorites );
387	torben	1008	showDialog(DLG_PROGRESS);
388	torben	237
389	torben	440	findStationsTask = new FindStationsTask();
390	torben	579	findStationsTask.searchByIds( favorites.toString() );
391	torben	440	findStationsTask.execute();
392	torben	433	} else {
393	torben	561	showMessageAndClose( getString( stationlist_nofavorites ) );
394	torben	433	}
395			}
396	torben	381
397	torben	433
398	torben	381
399			void startLocatorTask()
400			{
401	torben	561	dialogMessage = getString( stationlist_findingnearby );
402	torben	1008	showDialog(DLG_PROGRESS);
403	torben	381
404	torben	440	findStationsTask = new FindStationsTask();
405	torben	482	findStationsTask.searchByLocation( locationLookup.getLocation() );
406	torben	440	findStationsTask.execute();
407	torben	381	}
408
409
410			////////////////////////////////////////////////////////////////////////////
411			// Inner classes
412
413			class StationsFetchedHandler extends Handler {
414	torben	237	@Override
415			public void handleMessage(Message msg) {
416	torben	336
417	torben	237	switch (msg.what) {
418			case GOTLOCATION:
419	torben	1008	dismissDialog(DLG_PROGRESS);
420	torben	336
421			startLocatorTask();
422	torben	482	location = GeoPair.fromLocation( locationLookup.getLocation() );
423	torben	336
424	torben	237	break;
425	torben	319
426	torben	237	case NOPROVIDER:
427	torben	1008	dismissDialog(DLG_PROGRESS);
428	torben	906	MessageBox.showMessage(StationList.this, getString(stationlist_nolocationprovider), true );
429			//StationList.this.finish();
430	torben	237	break;
431	torben	336	case LOCATIONFIXTIMEOUT:
432	torben	237	if (isRunning) {
433	torben	482	locationLookup.stopSearch();
434			if (locationLookup.hasLocation()) {
435	torben	336	stationsFetched.sendEmptyMessage( GOTLOCATION );
436			} else {
437	torben	1008	dismissDialog(DLG_PROGRESS);
438	torben	336
439			AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
440	torben	561	builder.setMessage( getString( stationlist_gpstimeout) );
441	torben	336	builder.setCancelable(true);
442	torben	561	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
443	torben	336	public void onClick(DialogInterface dialog, int id) {
444			dialog.dismiss();
445			startLookup();
446
447			}
448			});
449	torben	561	builder.setNegativeButton( getString(generic_cancel), new DialogInterface.OnClickListener() {
450	torben	336	public void onClick(DialogInterface dialog, int id) {
451			dialog.dismiss();
452			}
453	torben	701	});
454	torben	1008	builder.show();
455	torben	336
456	torben	285	}
457	torben	237	}
458			break;
459			}
460			isRunning = false;
461			}
462			};
463	torben	381
464	torben	237
465	torben	440	class FindStationsTask extends AsyncTask<Void,Void,Void> {
466	torben	336
467	torben	381	LookupMethod method = LookupMethod.MethodNone;
468			String name;
469			Location loc;
470	torben	433	String ids;
471	torben	237
472	torben	579	public void searchByName(String n) {
473	torben	317
474	torben	381	method = LookupMethod.ByName;
475			name = n;
476	torben	317	}
477
478	torben	381	public void searchByLocation(Location l) {
479			method = LookupMethod.ByLocation;
480			loc = l;
481			}
482
483	torben	579	public void searchByIds(String id) {
484	torben	433
485			method = LookupMethod.ByList;
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	1006	stations = stationProvider.lookupStations(loc);
503	torben	473	break;
504			case ByName:
505	torben	1006	stations = stationProvider.lookupStationsByName(name);
506	torben	473	break;
507			case ByList:
508	torben	1006	stations = stationProvider.lookupStationsByIds(ids);
509	torben	473	break;
510			default:
511	torben	1006	stations = null; // not possible
512	torben	473	}
513	torben	433
514	torben	473
515	torben	241	return null;
516			}
517
518			@Override
519			protected void onPostExecute(Void result) {
520			super.onPostExecute(result);
521	torben	1008	dialog.dismiss();
522	torben	319
523	torben	473
524	torben	1006	if (stations != null) {
525			if (stations.size() == 0) {
526	torben	566	showMessageAndClose(getString(stationlist_nostations));
527			}
528	torben	917
529			StationList.this.getListView().invalidateViews();
530	torben	481	adapter.setStations( stations );
531	torben	319
532	torben	917
533	torben	319	} else { //communication or parse errors
534	torben	336	AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
535	torben	844	builder.setMessage(getString(stationlist_fetcherror));
536	torben	336	builder.setCancelable(true);
537	torben	561	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
538	torben	336	public void onClick(DialogInterface dialog, int id) {
539			dialog.dismiss();
540
541	torben	652	Runnable runner = null;
542			switch (method) {
543			case ByLocation:
544			runner = new Runnable() {
545			@Override
546			public void run() {
547			startLocatorTask();
548			}
549			};
550			break;
551			case ByName:
552			runner = new Runnable() {
553			@Override
554			public void run() {
555			startNameSearch( FindStationsTask.this.name );
556			}
557			};
558			break;
559			case ByList:
560			runner = new Runnable() {
561			@Override
562			public void run() {
563			startFavoriteLookup();
564			}
565			};
566			break;
567			}
568
569			stationsFetched.post( runner );
570	torben	336	}
571			});
572	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
573	torben	336	public void onClick(DialogInterface dialog, int id) {
574			dialog.dismiss();
575	torben	843	StationList.this.finish();
576	torben	336	}
577	torben	701	});
578
579	torben	1008	builder.show();
580	torben	319	}
581	torben	241	}
582			}
583	torben	433
584
585			class FavoritesMenu implements OnCreateContextMenuListener {
586			private final static int FAVORITES_ADD = 9001;
587			private final static int FAVORITES_REMOVE = 9002;
588
589			private int selectedPosition;
590
591
592			@Override
593			public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
594
595			AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
596			selectedPosition = info.position;
597			int stationID = stations.get(selectedPosition).getId();
598
599	torben	441	if (!favorites.contains(stationID)) {
600	torben	561	menu.add(0, FAVORITES_ADD, 0, getString(stationlist_addfavorite) );
601	torben	433	} else {
602	torben	563	menu.add(0, FAVORITES_REMOVE, 0, getString(stationlist_removefavorite) );
603	torben	433	}
604
605			}
606
607			public void onContextItemSelected(MenuItem item) {
608			StationBean sb = stations.get(selectedPosition);
609
610			int stationID = sb.getId();
611			if (item.getItemId() == FAVORITES_ADD) {
612			favorites.add(stationID);
613	torben	561	Toast.makeText(StationList.this, getString(stationlist_stationadded), Toast.LENGTH_SHORT).show();
614	torben	433	} else {
615	torben	473
616	torben	433	favorites.remove(stationID);
617	torben	561	Toast.makeText(StationList.this, getString(stationlist_stationremoved), Toast.LENGTH_SHORT).show();
618	torben	473
619	torben	481
620			if (listType.equals( WelcomeScreen.ListType.ListFavorites) ) {
621	torben	473	stations.remove(selectedPosition);
622			adapter.notifyDataSetChanged();
623			}
624	torben	433	}
625	torben	435	Editor ed = prefs.edit();
626			ed.putString("favorites", favorites.toString());
627			ed.commit();
628	torben	433	}
629			}
630	torben	237	}