thoerup/traininfo/StationList.java

package dk.thoerup.traininfo;

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


import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.location.Location;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;

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

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

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

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

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

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

                        
                        switch (listType) {
                        case ListNearest:
                                startLookup();
                                break;
                        case ListSearch:
                                this.showDialogSafe(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);
                
        }
        
        
        /* these 3 dialogs helper functions are very rude and ugly hack
         * to remove these auto-reported exceptions 
         * - android.view.WindowManager$BadTokenException: Unable to add window -- token android.os.BinderProxy@436aaef8 is not valid; is your activity running?
         * - java.lang.IllegalArgumentException: View not attached to window manager 
         */
        
        public void showDialogSafe(int id) {
                try {
                        showDialog(id);
                } catch (Exception e) {
                        Log.e("StationList", "showDialog failed", e);
                }
        }
        
        public void dismissDialogSafe(int id) {
                try {
                        dismissDialog(id);
                } catch (Exception e) {
                        Log.e("StationList", "dismissDialog failed", e);
                }
        }
        
        public void builderShowSafe(AlertDialog.Builder builder) {
                try {
                        builder.show();
                } catch (Exception e) {
                        Log.e("StationList", "builder.show() failed", e);
                }
                
        }
        /* EOF rude and ugly dialog hack */
        

    @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();
                                        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);
                
                Intent intent = new Intent(this, DepartureList.class);
                intent.putExtra("stationbean", station);
                startActivity(intent);
        }

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

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

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

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


        void startLocatorTask()
        {
                dialogMessage = getString( stationlist_findingnearby ); 
                showDialogSafe(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:
                                dismissDialogSafe(DLG_PROGRESS);
                                
                                startLocatorTask();
                                location = GeoPair.fromLocation( locationLookup.getLocation() );
                                
                                break;

                        case NOPROVIDER:
                                dismissDialogSafe(DLG_PROGRESS);
                                MessageBox.showMessage(StationList.this, getString(stationlist_nolocationprovider) );
                                break;
                        case LOCATIONFIXTIMEOUT:                                
                                if (isRunning) {
                                        locationLookup.stopSearch();
                                        if (locationLookup.hasLocation()) {
                                                stationsFetched.sendEmptyMessage( GOTLOCATION ); 
                                        } else {                                                
                                                dismissDialogSafe(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();
                                                        }                                                       
                                                });
                                                builderShowSafe(builder); // builder.show()

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

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

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

                        switch (method) {
                        case ByLocation:
                                success = stationProvider.lookupStations(loc);
                                break;
                        case ByName:
                                success = stationProvider.lookupStationsByName(name);
                                break;
                        case ByList:
                                success = stationProvider.lookupStationsByIds(ids);
                                break;
                        default:
                                success = false; // not possible        
                        }
                        
                        
                        return null;
                }

                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        dialog.dismiss();
                        
                        
                        if (success) {                          
                                if (stationProvider.getStations().size() == 0) {
                                        showMessageAndClose(getString(stationlist_nostations));
                                }
                                stations = stationProvider.getStations();
                                adapter.setStations( stations );                                
                                
                        } else { //communication or parse errors
                                AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);                                                
                                builder.setMessage(getString(stationlist_nearbyerror));                         
                                builder.setCancelable(true);
                                builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                                
                                                Runnable runner = null;
                                                switch (method) {
                                                case ByLocation:
                                                        runner = new Runnable() {
                                                                @Override
                                                                public void run() {
                                                                        startLocatorTask();                                                             
                                                                }
                                                        };
                                                        break;
                                                case ByName:
                                                        runner = new Runnable() {
                                                                @Override
                                                                public void run() {
                                                                        startNameSearch( FindStationsTask.this.name );
                                                                }
                                                        };
                                                        break;
                                                case ByList:
                                                        runner = new Runnable() {
                                                                @Override
                                                                public void run() {
                                                                        startFavoriteLookup();
                                                                }
                                                        };
                                                        break;
                                                }
                                                
                                                stationsFetched.post( runner );
                                        }
                                });
                                builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                        }                                                       
                                });
                                
                                builderShowSafe(builder); // 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	630	import android.util.Log;
22	torben	433	import android.view.ContextMenu;
23	torben	381	import android.view.LayoutInflater;
24	torben	368	import android.view.Menu;
25			import android.view.MenuItem;
26	torben	237	import android.view.View;
27	torben	433	import android.view.ContextMenu.ContextMenuInfo;
28			import android.view.View.OnCreateContextMenuListener;
29			import android.widget.AdapterView;
30	torben	381	import android.widget.EditText;
31	torben	237	import android.widget.ListView;
32	torben	433	import android.widget.Toast;
33	torben	319	import dk.thoerup.traininfo.provider.ProviderFactory;
34			import dk.thoerup.traininfo.provider.StationProvider;
35	torben	368	import dk.thoerup.traininfo.stationmap.GeoPair;
36			import dk.thoerup.traininfo.stationmap.StationMapView;
37	torben	433	import dk.thoerup.traininfo.util.IntSet;
38	torben	245	import dk.thoerup.traininfo.util.MessageBox;
39	torben	237
40	torben	561	import static dk.thoerup.traininfo.R.string.*;
41
42	torben	336	public class StationList extends ListActivity {
43			public static final int GOTLOCATION = 1001;
44			public static final int GOTSTATIONLIST = 1002;
45			public static final int NOPROVIDER = 1003;
46			public static final int LOCATIONFIXTIMEOUT = 1004;
47	torben	368
48	torben	381	public static final int OPTIONS_MAP = 2003;
49	torben	481	public static final int OPTIONS_GPSINFO = 2004;
50
51	torben	433
52	torben	336
53	torben	237
54	torben	381	public static final int DLG_PROGRESS = 3001;
55			public static final int DLG_STATIONNAME = 3002;
56	torben	237
57	torben	440	static enum LookupMethod {
58			ByLocation,
59			ByName,
60			ByList,
61			MethodNone
62			}
63
64
65	torben	336	String dialogMessage = "";
66	torben	237	ProgressDialog dialog;
67	torben	482	LocationLookup locationLookup = null;
68	torben	440	FindStationsTask findStationsTask;
69	torben	381	StationsFetchedHandler stationsFetched = new StationsFetchedHandler();
70	torben	237
71	torben	374	GeoPair location = new GeoPair();
72
73	torben	258	boolean isRunning = false;
74			List<StationBean> stations = new ArrayList<StationBean>();
75
76	torben	319	StationProvider stationProvider = ProviderFactory.getStationProvider();
77	torben	381
78			StationListAdapter adapter = null;
79	torben	258
80	torben	433	FavoritesMenu contextMenu = new FavoritesMenu();
81			IntSet favorites = new IntSet();
82	torben	481
83			WelcomeScreen.ListType listType;
84	torben	433	SharedPreferences prefs;
85
86	torben	381	///////////////////////////////////////////////////////////////////////////////////////////
87			//Activity call backs
88
89	torben	258	@SuppressWarnings("unchecked")
90	torben	237	@Override
91			public void onCreate(Bundle savedInstanceState) {
92			super.onCreate(savedInstanceState);
93	torben	481	setContentView(R.layout.stationlist);
94	torben	237
95	torben	241
96	torben	237	adapter = new StationListAdapter(this);
97			setListAdapter(adapter);
98
99	torben	433	ListView lv = getListView();
100			lv.setOnCreateContextMenuListener(contextMenu);
101
102	torben	482	locationLookup = new LocationLookup(this, stationsFetched);
103	torben	433
104
105			prefs = getSharedPreferences("TrainStation", 0);
106			String favoriteString = prefs.getString("favorites", "");
107			if (! favoriteString.equals("") ) {
108			favorites.fromString(favoriteString);
109			}
110
111	torben	482	listType = (WelcomeScreen.ListType) getIntent().getSerializableExtra("type");
112			setTitle();
113
114	torben	258	if (savedInstanceState == null) {
115	torben	482
116
117	torben	481	switch (listType) {
118			case ListNearest:
119			startLookup();
120			break;
121			case ListSearch:
122	torben	701	this.showDialogSafe(DLG_STATIONNAME);
123	torben	481	break;
124			case ListFavorites:
125			startFavoriteLookup();
126			break;
127			default:
128			// Not possible !?!
129			}
130
131	torben	258	} else {
132			stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations");
133	torben	260	adapter.setStations(stations);
134	torben	374	location = (GeoPair) savedInstanceState.getSerializable("location");
135	torben	258	}
136	torben	482
137	torben	237	}
138	torben	482	protected void setTitle() {
139	torben	561	String dialogTitle = getResources().getString(app_name);
140	torben	482	switch (listType) {
141			case ListNearest:
142	torben	561	dialogTitle += " - " + getString(stationlist_nearbystations);
143	torben	482	break;
144			case ListSearch:
145	torben	561	dialogTitle += " - " + getString(stationlist_search);
146	torben	482	break;
147			case ListFavorites:
148	torben	561	dialogTitle += " - " + getString(stationlist_favorites);
149	torben	482	break;
150			default:
151			dialogTitle = "";//not possible
152			}
153
154			setTitle(dialogTitle);
155	torben	701
156	torben	482	}
157
158
159	torben	701	/* these 3 dialogs helper functions are very rude and ugly hack
160			* to remove these auto-reported exceptions
161			* - android.view.WindowManager$BadTokenException: Unable to add window -- token android.os.BinderProxy@436aaef8 is not valid; is your activity running?
162			* - java.lang.IllegalArgumentException: View not attached to window manager
163			*/
164
165			public void showDialogSafe(int id) {
166			try {
167			showDialog(id);
168			} catch (Exception e) {
169			Log.e("StationList", "showDialog failed", e);
170			}
171			}
172
173			public void dismissDialogSafe(int id) {
174			try {
175			dismissDialog(id);
176			} catch (Exception e) {
177			Log.e("StationList", "dismissDialog failed", e);
178			}
179			}
180
181			public void builderShowSafe(AlertDialog.Builder builder) {
182			try {
183			builder.show();
184			} catch (Exception e) {
185			Log.e("StationList", "builder.show() failed", e);
186			}
187
188			}
189			/* EOF rude and ugly dialog hack */
190
191	torben	371
192
193	torben	243	@Override
194			public void onSaveInstanceState(Bundle outState)
195			{
196	torben	258	if (dialog != null && dialog.isShowing())
197	torben	243	dialog.dismiss();
198	torben	258	outState.putSerializable("stations", (ArrayList<StationBean>) stations);
199	torben	374	outState.putSerializable("location", location);
200	torben	482
201	torben	243	}
202	torben	237
203	torben	243
204	torben	237
205			@Override
206	torben	368	public boolean onCreateOptionsMenu(Menu menu) {
207	torben	419	MenuItem item;
208	torben	561
209			item = menu.add(0, OPTIONS_MAP, 0, getString(stationlist_stationmap));
210	torben	419	item.setIcon(android.R.drawable.ic_menu_mapmode);
211
212	torben	561	item = menu.add(0, OPTIONS_GPSINFO, 0, getString(stationlist_gpsinfo));
213	torben	481	item.setIcon(android.R.drawable.ic_menu_mapmode);
214
215	torben	368	return true;
216			}
217
218			@Override
219			public boolean onOptionsItemSelected(MenuItem item) {
220	torben	381	boolean retval = true;
221
222	torben	481	//TODO: Cleanup
223	torben	368	switch (item.getItemId()) {
224			case OPTIONS_MAP:
225
226			Intent intent = new Intent(this,StationMapView.class);
227
228			ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>();
229			for (StationBean st : stations ) {
230	torben	369	stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) );
231	torben	368	}
232
233			intent.putExtra("stations", stationPoints);
234
235			startActivity(intent);
236			break;
237	torben	481	case OPTIONS_GPSINFO:
238	torben	482	Location loc = locationLookup.getLocation();
239	torben	371	StringBuffer message = new StringBuffer();
240	torben	561	message.append( getString(stationlist_locationinfo) ).append(":\n");
241	torben	554	if (loc != null) {
242	torben	561	message.append( getString(stationlist_obtainedby) ).append( loc.getProvider() ).append("\n");
243			message.append( getString(stationlist_accuracy) ).append( (int)loc.getAccuracy()).append("m\n");
244	torben	564	message.append( getString(stationlist_latitude) ).append( (float)loc.getLatitude()).append("\n");
245			message.append( getString(stationlist_longitude) ).append( (float)loc.getLongitude() ).append("\n");
246	torben	554	} else {
247	torben	561	message.append( getString(stationlist_nolocation) );
248	torben	556	}
249
250	torben	371	MessageBox.showMessage(this, message.toString());
251			break;
252	torben	368	default:
253			retval = super.onOptionsItemSelected(item);
254			}
255
256			return retval;
257			}
258	torben	433
259
260	torben	368
261			@Override
262	torben	433	public boolean onContextItemSelected(MenuItem item) {
263			contextMenu.onContextItemSelected(item);
264			return true;
265
266
267			}
268	torben	556
269			public void showMessageAndClose(String message) {
270			AlertDialog.Builder builder = new AlertDialog.Builder(this);
271			builder.setMessage(message)
272			.setCancelable(false)
273			.setPositiveButton("OK", new DialogInterface.OnClickListener() {
274			public void onClick(DialogInterface dialog, int id) {
275			dialog.dismiss();
276			StationList.this.finish();
277			}
278			})
279			.show();
280			}
281	torben	433
282
283
284
285			@Override
286	torben	237	protected Dialog onCreateDialog(int id) {
287			switch (id) {
288			case DLG_PROGRESS:
289			ProgressDialog dlg = new ProgressDialog(this);
290	torben	561	dlg.setMessage( getString(stationlist_waitforlocation) );
291	torben	237	dlg.setCancelable(false);
292	torben	336	return dlg;
293	torben	381	case DLG_STATIONNAME:
294			LayoutInflater factory = LayoutInflater.from(this);
295			final View rootView = factory.inflate(R.layout.textinput, null);
296
297
298			AlertDialog.Builder builder = new AlertDialog.Builder(this);
299
300	torben	561	builder.setTitle( getString(stationlist_stationsearch) );
301	torben	381	builder.setView(rootView);
302			builder.setCancelable(true);
303	torben	561	builder.setPositiveButton( getString(generic_search), new DialogInterface.OnClickListener() {
304	torben	381	public void onClick(DialogInterface dialog, int which) {
305			EditText et = (EditText) rootView.findViewById(R.id.EditText);
306			dialog.dismiss();
307	torben	713	String search = et.getText().toString().trim();
308			if (search.length() >= 2) {
309			startNameSearch(search);
310	torben	381	} else {
311	torben	561	showMessageAndClose( getString(stationlist_twocharmin) );
312	torben	381	}
313			}
314			});
315	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
316	torben	381	public void onClick(DialogInterface dialog, int which) {
317			dialog.dismiss();
318	torben	555	StationList.this.finish(); // Close this Activity
319	torben	381	}
320			});
321			return builder.create();
322
323	torben	237	default:
324			return super.onCreateDialog(id);
325			}
326
327			}
328
329
330			@Override
331			protected void onPrepareDialog(int id, Dialog dialog) {
332			super.onPrepareDialog(id, dialog);
333			switch (id) {
334			case DLG_PROGRESS:
335			this.dialog = (ProgressDialog) dialog;
336	torben	336	if (!dialogMessage.equals("")) {
337			this.dialog.setMessage(dialogMessage);
338			dialogMessage = "";
339			}
340	torben	237	break;
341			}
342			}
343	torben	381
344			@Override
345			protected void onListItemClick(ListView l, View v, int position, long id) {
346			super.onListItemClick(l, v, position, id);
347
348			StationBean station = stations.get(position);
349
350			Intent intent = new Intent(this, DepartureList.class);
351	torben	557	intent.putExtra("stationbean", station);
352	torben	381	startActivity(intent);
353			}
354
355			/////////////////////////////////////////////////////////////
356			//
357
358	torben	237	public void startLookup() {
359	torben	561	isRunning = true;
360			dialogMessage = getString( stationlist_waitforlocation );
361	torben	701	showDialogSafe(DLG_PROGRESS);
362	torben	237
363	torben	482	locationLookup.locateStations();
364	torben	336	stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, 20000);
365	torben	237	}
366	torben	381
367			void startNameSearch(String name) {
368	torben	561	dialogMessage = getString( stationlist_findbyname );
369	torben	701	showDialogSafe(DLG_PROGRESS);
370	torben	237
371	torben	440	findStationsTask = new FindStationsTask();
372	torben	579	findStationsTask.searchByName(name);
373	torben	440	findStationsTask.execute();
374	torben	381
375			}
376	torben	433
377			public void startFavoriteLookup() {
378
379	torben	440	if (favorites.size() > 0) {
380	torben	561	dialogMessage = getString( stationlist_loadfavorites );
381	torben	701	showDialogSafe(DLG_PROGRESS);
382	torben	237
383	torben	440	findStationsTask = new FindStationsTask();
384	torben	579	findStationsTask.searchByIds( favorites.toString() );
385	torben	440	findStationsTask.execute();
386	torben	433	} else {
387	torben	561	showMessageAndClose( getString( stationlist_nofavorites ) );
388	torben	433	}
389			}
390	torben	381
391	torben	433
392	torben	381
393			void startLocatorTask()
394			{
395	torben	561	dialogMessage = getString( stationlist_findingnearby );
396	torben	701	showDialogSafe(DLG_PROGRESS);
397	torben	381
398	torben	440	findStationsTask = new FindStationsTask();
399	torben	482	findStationsTask.searchByLocation( locationLookup.getLocation() );
400	torben	440	findStationsTask.execute();
401	torben	381	}
402
403
404			////////////////////////////////////////////////////////////////////////////
405			// Inner classes
406
407			class StationsFetchedHandler extends Handler {
408	torben	237	@Override
409			public void handleMessage(Message msg) {
410	torben	336
411	torben	237	switch (msg.what) {
412			case GOTLOCATION:
413	torben	701	dismissDialogSafe(DLG_PROGRESS);
414	torben	336
415			startLocatorTask();
416	torben	482	location = GeoPair.fromLocation( locationLookup.getLocation() );
417	torben	336
418	torben	237	break;
419	torben	319
420	torben	237	case NOPROVIDER:
421	torben	701	dismissDialogSafe(DLG_PROGRESS);
422	torben	561	MessageBox.showMessage(StationList.this, getString(stationlist_nolocationprovider) );
423	torben	237	break;
424	torben	336	case LOCATIONFIXTIMEOUT:
425	torben	237	if (isRunning) {
426	torben	482	locationLookup.stopSearch();
427			if (locationLookup.hasLocation()) {
428	torben	336	stationsFetched.sendEmptyMessage( GOTLOCATION );
429			} else {
430	torben	701	dismissDialogSafe(DLG_PROGRESS);
431	torben	336
432			AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
433	torben	561	builder.setMessage( getString( stationlist_gpstimeout) );
434	torben	336	builder.setCancelable(true);
435	torben	561	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
436	torben	336	public void onClick(DialogInterface dialog, int id) {
437			dialog.dismiss();
438			startLookup();
439
440			}
441			});
442	torben	561	builder.setNegativeButton( getString(generic_cancel), new DialogInterface.OnClickListener() {
443	torben	336	public void onClick(DialogInterface dialog, int id) {
444			dialog.dismiss();
445			}
446	torben	701	});
447			builderShowSafe(builder); // builder.show()
448	torben	336
449	torben	285	}
450	torben	237	}
451			break;
452			}
453			isRunning = false;
454			}
455			};
456	torben	381
457	torben	237
458	torben	440	class FindStationsTask extends AsyncTask<Void,Void,Void> {
459	torben	336
460	torben	381	LookupMethod method = LookupMethod.MethodNone;
461			boolean success;
462			String name;
463			Location loc;
464	torben	433	String ids;
465	torben	237
466	torben	579	public void searchByName(String n) {
467	torben	317
468	torben	381	method = LookupMethod.ByName;
469			name = n;
470	torben	317	}
471
472	torben	381	public void searchByLocation(Location l) {
473			method = LookupMethod.ByLocation;
474			loc = l;
475			}
476
477	torben	579	public void searchByIds(String id) {
478	torben	433
479			method = LookupMethod.ByList;
480			ids = id;
481			}
482
483	torben	241	@Override
484			protected void onPreExecute() {
485	torben	258
486	torben	381	if (method.equals(LookupMethod.MethodNone))
487			throw new RuntimeException("Method not set");
488	torben	241	super.onPreExecute();
489			}
490
491			@Override
492			protected Void doInBackground(Void... params) {
493	torben	473
494			switch (method) {
495			case ByLocation:
496	torben	381	success = stationProvider.lookupStations(loc);
497	torben	473	break;
498			case ByName:
499	torben	433	success = stationProvider.lookupStationsByName(name);
500	torben	473	break;
501			case ByList:
502	torben	433	success = stationProvider.lookupStationsByIds(ids);
503	torben	473	break;
504			default:
505			success = false; // not possible
506			}
507	torben	433
508	torben	473
509	torben	241	return null;
510			}
511
512			@Override
513			protected void onPostExecute(Void result) {
514			super.onPostExecute(result);
515	torben	319	dialog.dismiss();
516
517	torben	473
518	torben	319	if (success) {
519	torben	566	if (stationProvider.getStations().size() == 0) {
520			showMessageAndClose(getString(stationlist_nostations));
521			}
522	torben	319	stations = stationProvider.getStations();
523	torben	481	adapter.setStations( stations );
524	torben	319
525			} else { //communication or parse errors
526	torben	336	AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
527	torben	561	builder.setMessage(getString(stationlist_nearbyerror));
528	torben	336	builder.setCancelable(true);
529	torben	561	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
530	torben	336	public void onClick(DialogInterface dialog, int id) {
531			dialog.dismiss();
532
533	torben	652	Runnable runner = null;
534			switch (method) {
535			case ByLocation:
536			runner = new Runnable() {
537			@Override
538			public void run() {
539			startLocatorTask();
540			}
541			};
542			break;
543			case ByName:
544			runner = new Runnable() {
545			@Override
546			public void run() {
547			startNameSearch( FindStationsTask.this.name );
548			}
549			};
550			break;
551			case ByList:
552			runner = new Runnable() {
553			@Override
554			public void run() {
555			startFavoriteLookup();
556			}
557			};
558			break;
559			}
560
561			stationsFetched.post( runner );
562	torben	336	}
563			});
564	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
565	torben	336	public void onClick(DialogInterface dialog, int id) {
566			dialog.dismiss();
567			}
568	torben	701	});
569
570			builderShowSafe(builder); // builder.show()
571	torben	319	}
572	torben	241	}
573			}
574	torben	433
575
576			class FavoritesMenu implements OnCreateContextMenuListener {
577			private final static int FAVORITES_ADD = 9001;
578			private final static int FAVORITES_REMOVE = 9002;
579
580			private int selectedPosition;
581
582
583			@Override
584			public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
585
586			AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
587			selectedPosition = info.position;
588			int stationID = stations.get(selectedPosition).getId();
589
590	torben	441	if (!favorites.contains(stationID)) {
591	torben	561	menu.add(0, FAVORITES_ADD, 0, getString(stationlist_addfavorite) );
592	torben	433	} else {
593	torben	563	menu.add(0, FAVORITES_REMOVE, 0, getString(stationlist_removefavorite) );
594	torben	433	}
595
596			}
597
598			public void onContextItemSelected(MenuItem item) {
599			StationBean sb = stations.get(selectedPosition);
600
601			int stationID = sb.getId();
602			if (item.getItemId() == FAVORITES_ADD) {
603			favorites.add(stationID);
604	torben	561	Toast.makeText(StationList.this, getString(stationlist_stationadded), Toast.LENGTH_SHORT).show();
605	torben	433	} else {
606	torben	473
607	torben	433	favorites.remove(stationID);
608	torben	561	Toast.makeText(StationList.this, getString(stationlist_stationremoved), Toast.LENGTH_SHORT).show();
609	torben	473
610	torben	481
611			if (listType.equals( WelcomeScreen.ListType.ListFavorites) ) {
612	torben	473	stations.remove(selectedPosition);
613			adapter.notifyDataSetChanged();
614			}
615	torben	433	}
616	torben	435	Editor ed = prefs.edit();
617			ed.putString("favorites", favorites.toString());
618			ed.commit();
619	torben	433	}
620			}
621	torben	237	}