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.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 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:
                                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");
                }
                
        }
        

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

        
        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 dismissDialogSafe(Dialog dlg) {
                try {
                        dlg.dismiss();
                } 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(), 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 );
                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), true );
                                //StationList.this.finish();
                                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);
                        dismissDialogSafe(dialog);
                        
                        
                        if (success) {                          
                                if (stationProvider.getStations().size() == 0) {
                                        showMessageAndClose(getString(stationlist_nostations));
                                }
                                stations = stationProvider.getStations();

                                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();
                                        }                                                       
                                });
                                
                                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	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	630	import android.util.Log;
23	torben	433	import android.view.ContextMenu;
24	torben	381	import android.view.LayoutInflater;
25	torben	368	import android.view.Menu;
26			import android.view.MenuItem;
27	torben	237	import android.view.View;
28	torben	433	import android.view.ContextMenu.ContextMenuInfo;
29			import android.view.View.OnCreateContextMenuListener;
30			import android.widget.AdapterView;
31	torben	381	import android.widget.EditText;
32	torben	237	import android.widget.ListView;
33	torben	433	import android.widget.Toast;
34	torben	319	import dk.thoerup.traininfo.provider.ProviderFactory;
35			import dk.thoerup.traininfo.provider.StationProvider;
36	torben	368	import dk.thoerup.traininfo.stationmap.GeoPair;
37			import dk.thoerup.traininfo.stationmap.StationMapView;
38	torben	433	import dk.thoerup.traininfo.util.IntSet;
39	torben	245	import dk.thoerup.traininfo.util.MessageBox;
40	torben	237
41	torben	561	import static dk.thoerup.traininfo.R.string.*;
42
43	torben	336	public class StationList extends ListActivity {
44			public static final int GOTLOCATION = 1001;
45			public static final int GOTSTATIONLIST = 1002;
46			public static final int NOPROVIDER = 1003;
47			public static final int LOCATIONFIXTIMEOUT = 1004;
48	torben	368
49	torben	381	public static final int OPTIONS_MAP = 2003;
50	torben	481	public static final int OPTIONS_GPSINFO = 2004;
51
52	torben	433
53	torben	336
54	torben	237
55	torben	381	public static final int DLG_PROGRESS = 3001;
56			public static final int DLG_STATIONNAME = 3002;
57	torben	237
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			case ListSearch:
126	torben	701	this.showDialogSafe(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
144			@Override
145			protected void onDestroy() {
146			super.onDestroy();
147
148			if (findStationsTask != null) {
149			findStationsTask.cancel(true);
150			}
151	torben	919	if (locationLookup != null) {
152			locationLookup.stopSearch();
153			}
154			isRunning = false;
155	torben	918	}
156
157
158	torben	482	protected void setTitle() {
159	torben	561	String dialogTitle = getResources().getString(app_name);
160	torben	482	switch (listType) {
161			case ListNearest:
162	torben	561	dialogTitle += " - " + getString(stationlist_nearbystations);
163	torben	482	break;
164			case ListSearch:
165	torben	561	dialogTitle += " - " + getString(stationlist_search);
166	torben	482	break;
167			case ListFavorites:
168	torben	561	dialogTitle += " - " + getString(stationlist_favorites);
169	torben	482	break;
170			default:
171			dialogTitle = "";//not possible
172			}
173
174			setTitle(dialogTitle);
175	torben	701
176	torben	482	}
177
178
179	torben	701	/* these 3 dialogs helper functions are very rude and ugly hack
180			* to remove these auto-reported exceptions
181			* - android.view.WindowManager$BadTokenException: Unable to add window -- token android.os.BinderProxy@436aaef8 is not valid; is your activity running?
182			* - java.lang.IllegalArgumentException: View not attached to window manager
183			*/
184
185			public void showDialogSafe(int id) {
186			try {
187			showDialog(id);
188			} catch (Exception e) {
189			Log.e("StationList", "showDialog failed", e);
190			}
191			}
192
193			public void dismissDialogSafe(int id) {
194			try {
195			dismissDialog(id);
196			} catch (Exception e) {
197			Log.e("StationList", "dismissDialog failed", e);
198			}
199			}
200	torben	725	public void dismissDialogSafe(Dialog dlg) {
201			try {
202			dlg.dismiss();
203			} catch (Exception e) {
204			Log.e("StationList", "dismissDialog failed", e);
205			}
206			}
207	torben	701
208			public void builderShowSafe(AlertDialog.Builder builder) {
209			try {
210			builder.show();
211			} catch (Exception e) {
212			Log.e("StationList", "builder.show() failed", e);
213			}
214
215			}
216			/* EOF rude and ugly dialog hack */
217
218	torben	371
219
220	torben	243	@Override
221			public void onSaveInstanceState(Bundle outState)
222			{
223	torben	258	if (dialog != null && dialog.isShowing())
224	torben	243	dialog.dismiss();
225	torben	258	outState.putSerializable("stations", (ArrayList<StationBean>) stations);
226	torben	374	outState.putSerializable("location", location);
227	torben	482
228	torben	243	}
229	torben	237
230	torben	243
231	torben	237
232			@Override
233	torben	368	public boolean onCreateOptionsMenu(Menu menu) {
234	torben	419	MenuItem item;
235	torben	561
236			item = menu.add(0, OPTIONS_MAP, 0, getString(stationlist_stationmap));
237	torben	419	item.setIcon(android.R.drawable.ic_menu_mapmode);
238
239	torben	561	item = menu.add(0, OPTIONS_GPSINFO, 0, getString(stationlist_gpsinfo));
240	torben	481	item.setIcon(android.R.drawable.ic_menu_mapmode);
241
242	torben	368	return true;
243			}
244
245			@Override
246			public boolean onOptionsItemSelected(MenuItem item) {
247	torben	381	boolean retval = true;
248
249	torben	481	//TODO: Cleanup
250	torben	368	switch (item.getItemId()) {
251			case OPTIONS_MAP:
252
253			Intent intent = new Intent(this,StationMapView.class);
254
255			ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>();
256			for (StationBean st : stations ) {
257	torben	369	stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) );
258	torben	368	}
259
260			intent.putExtra("stations", stationPoints);
261
262			startActivity(intent);
263			break;
264	torben	481	case OPTIONS_GPSINFO:
265	torben	482	Location loc = locationLookup.getLocation();
266	torben	371	StringBuffer message = new StringBuffer();
267	torben	561	message.append( getString(stationlist_locationinfo) ).append(":\n");
268	torben	554	if (loc != null) {
269	torben	561	message.append( getString(stationlist_obtainedby) ).append( loc.getProvider() ).append("\n");
270			message.append( getString(stationlist_accuracy) ).append( (int)loc.getAccuracy()).append("m\n");
271	torben	564	message.append( getString(stationlist_latitude) ).append( (float)loc.getLatitude()).append("\n");
272			message.append( getString(stationlist_longitude) ).append( (float)loc.getLongitude() ).append("\n");
273	torben	554	} else {
274	torben	561	message.append( getString(stationlist_nolocation) );
275	torben	556	}
276
277	torben	906	MessageBox.showMessage(this, message.toString(), false);
278	torben	371	break;
279	torben	368	default:
280			retval = super.onOptionsItemSelected(item);
281			}
282
283			return retval;
284			}
285	torben	433
286
287	torben	368
288			@Override
289	torben	433	public boolean onContextItemSelected(MenuItem item) {
290			contextMenu.onContextItemSelected(item);
291			return true;
292
293
294			}
295	torben	556
296			public void showMessageAndClose(String message) {
297			AlertDialog.Builder builder = new AlertDialog.Builder(this);
298			builder.setMessage(message)
299			.setCancelable(false)
300			.setPositiveButton("OK", new DialogInterface.OnClickListener() {
301			public void onClick(DialogInterface dialog, int id) {
302			dialog.dismiss();
303			StationList.this.finish();
304			}
305			})
306			.show();
307			}
308	torben	433
309
310
311
312			@Override
313	torben	237	protected Dialog onCreateDialog(int id) {
314			switch (id) {
315			case DLG_PROGRESS:
316			ProgressDialog dlg = new ProgressDialog(this);
317	torben	561	dlg.setMessage( getString(stationlist_waitforlocation) );
318	torben	237	dlg.setCancelable(false);
319	torben	336	return dlg;
320	torben	381	case DLG_STATIONNAME:
321			LayoutInflater factory = LayoutInflater.from(this);
322			final View rootView = factory.inflate(R.layout.textinput, null);
323
324
325			AlertDialog.Builder builder = new AlertDialog.Builder(this);
326
327	torben	561	builder.setTitle( getString(stationlist_stationsearch) );
328	torben	381	builder.setView(rootView);
329			builder.setCancelable(true);
330	torben	561	builder.setPositiveButton( getString(generic_search), new DialogInterface.OnClickListener() {
331	torben	381	public void onClick(DialogInterface dialog, int which) {
332			EditText et = (EditText) rootView.findViewById(R.id.EditText);
333			dialog.dismiss();
334	torben	713	String search = et.getText().toString().trim();
335			if (search.length() >= 2) {
336			startNameSearch(search);
337	torben	381	} else {
338	torben	561	showMessageAndClose( getString(stationlist_twocharmin) );
339	torben	381	}
340			}
341			});
342	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
343	torben	381	public void onClick(DialogInterface dialog, int which) {
344			dialog.dismiss();
345	torben	555	StationList.this.finish(); // Close this Activity
346	torben	381	}
347			});
348			return builder.create();
349
350	torben	237	default:
351			return super.onCreateDialog(id);
352			}
353
354			}
355
356
357			@Override
358			protected void onPrepareDialog(int id, Dialog dialog) {
359			super.onPrepareDialog(id, dialog);
360			switch (id) {
361			case DLG_PROGRESS:
362			this.dialog = (ProgressDialog) dialog;
363	torben	336	if (!dialogMessage.equals("")) {
364			this.dialog.setMessage(dialogMessage);
365			dialogMessage = "";
366			}
367	torben	237	break;
368			}
369			}
370	torben	381
371			@Override
372			protected void onListItemClick(ListView l, View v, int position, long id) {
373			super.onListItemClick(l, v, position, id);
374
375			StationBean station = stations.get(position);
376
377	torben	731	if (isLaunchedforShortcut == true) {
378			Intent i = new Intent();
379			i.putExtra("station", station);
380			setResult(Activity.RESULT_OK, i);
381			finish();
382			} else {
383			Intent intent = new Intent(this, DepartureList.class);
384			intent.putExtra("stationbean", station);
385			startActivity(intent);
386			}
387	torben	381	}
388
389			/////////////////////////////////////////////////////////////
390			//
391
392	torben	237	public void startLookup() {
393	torben	561	isRunning = true;
394			dialogMessage = getString( stationlist_waitforlocation );
395	torben	701	showDialogSafe(DLG_PROGRESS);
396	torben	237
397	torben	482	locationLookup.locateStations();
398	torben	336	stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, 20000);
399	torben	237	}
400	torben	381
401			void startNameSearch(String name) {
402	torben	561	dialogMessage = getString( stationlist_findbyname );
403	torben	701	showDialogSafe(DLG_PROGRESS);
404	torben	237
405	torben	440	findStationsTask = new FindStationsTask();
406	torben	579	findStationsTask.searchByName(name);
407	torben	440	findStationsTask.execute();
408	torben	381
409			}
410	torben	433
411			public void startFavoriteLookup() {
412
413	torben	440	if (favorites.size() > 0) {
414	torben	561	dialogMessage = getString( stationlist_loadfavorites );
415	torben	701	showDialogSafe(DLG_PROGRESS);
416	torben	237
417	torben	440	findStationsTask = new FindStationsTask();
418	torben	579	findStationsTask.searchByIds( favorites.toString() );
419	torben	440	findStationsTask.execute();
420	torben	433	} else {
421	torben	561	showMessageAndClose( getString( stationlist_nofavorites ) );
422	torben	433	}
423			}
424	torben	381
425	torben	433
426	torben	381
427			void startLocatorTask()
428			{
429	torben	561	dialogMessage = getString( stationlist_findingnearby );
430	torben	701	showDialogSafe(DLG_PROGRESS);
431	torben	381
432	torben	440	findStationsTask = new FindStationsTask();
433	torben	482	findStationsTask.searchByLocation( locationLookup.getLocation() );
434	torben	440	findStationsTask.execute();
435	torben	381	}
436
437
438			////////////////////////////////////////////////////////////////////////////
439			// Inner classes
440
441			class StationsFetchedHandler extends Handler {
442	torben	237	@Override
443			public void handleMessage(Message msg) {
444	torben	336
445	torben	237	switch (msg.what) {
446			case GOTLOCATION:
447	torben	701	dismissDialogSafe(DLG_PROGRESS);
448	torben	336
449			startLocatorTask();
450	torben	482	location = GeoPair.fromLocation( locationLookup.getLocation() );
451	torben	336
452	torben	237	break;
453	torben	319
454	torben	237	case NOPROVIDER:
455	torben	701	dismissDialogSafe(DLG_PROGRESS);
456	torben	906	MessageBox.showMessage(StationList.this, getString(stationlist_nolocationprovider), true );
457			//StationList.this.finish();
458	torben	237	break;
459	torben	336	case LOCATIONFIXTIMEOUT:
460	torben	237	if (isRunning) {
461	torben	482	locationLookup.stopSearch();
462			if (locationLookup.hasLocation()) {
463	torben	336	stationsFetched.sendEmptyMessage( GOTLOCATION );
464			} else {
465	torben	701	dismissDialogSafe(DLG_PROGRESS);
466	torben	336
467			AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
468	torben	561	builder.setMessage( getString( stationlist_gpstimeout) );
469	torben	336	builder.setCancelable(true);
470	torben	561	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
471	torben	336	public void onClick(DialogInterface dialog, int id) {
472			dialog.dismiss();
473			startLookup();
474
475			}
476			});
477	torben	561	builder.setNegativeButton( getString(generic_cancel), new DialogInterface.OnClickListener() {
478	torben	336	public void onClick(DialogInterface dialog, int id) {
479			dialog.dismiss();
480			}
481	torben	701	});
482			builderShowSafe(builder); // builder.show()
483	torben	336
484	torben	285	}
485	torben	237	}
486			break;
487			}
488			isRunning = false;
489			}
490			};
491	torben	381
492	torben	237
493	torben	440	class FindStationsTask extends AsyncTask<Void,Void,Void> {
494	torben	336
495	torben	381	LookupMethod method = LookupMethod.MethodNone;
496			boolean success;
497			String name;
498			Location loc;
499	torben	433	String ids;
500	torben	237
501	torben	579	public void searchByName(String n) {
502	torben	317
503	torben	381	method = LookupMethod.ByName;
504			name = n;
505	torben	317	}
506
507	torben	381	public void searchByLocation(Location l) {
508			method = LookupMethod.ByLocation;
509			loc = l;
510			}
511
512	torben	579	public void searchByIds(String id) {
513	torben	433
514			method = LookupMethod.ByList;
515			ids = id;
516			}
517
518	torben	241	@Override
519			protected void onPreExecute() {
520	torben	258
521	torben	381	if (method.equals(LookupMethod.MethodNone))
522			throw new RuntimeException("Method not set");
523	torben	241	super.onPreExecute();
524			}
525
526			@Override
527			protected Void doInBackground(Void... params) {
528	torben	473
529			switch (method) {
530			case ByLocation:
531	torben	381	success = stationProvider.lookupStations(loc);
532	torben	473	break;
533			case ByName:
534	torben	433	success = stationProvider.lookupStationsByName(name);
535	torben	473	break;
536			case ByList:
537	torben	433	success = stationProvider.lookupStationsByIds(ids);
538	torben	473	break;
539			default:
540			success = false; // not possible
541			}
542	torben	433
543	torben	473
544	torben	241	return null;
545			}
546
547			@Override
548			protected void onPostExecute(Void result) {
549			super.onPostExecute(result);
550	torben	725	dismissDialogSafe(dialog);
551	torben	319
552	torben	473
553	torben	319	if (success) {
554	torben	566	if (stationProvider.getStations().size() == 0) {
555			showMessageAndClose(getString(stationlist_nostations));
556			}
557	torben	319	stations = stationProvider.getStations();
558	torben	917
559			StationList.this.getListView().invalidateViews();
560	torben	481	adapter.setStations( stations );
561	torben	319
562	torben	917
563	torben	319	} else { //communication or parse errors
564	torben	336	AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
565	torben	844	builder.setMessage(getString(stationlist_fetcherror));
566	torben	336	builder.setCancelable(true);
567	torben	561	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
568	torben	336	public void onClick(DialogInterface dialog, int id) {
569			dialog.dismiss();
570
571	torben	652	Runnable runner = null;
572			switch (method) {
573			case ByLocation:
574			runner = new Runnable() {
575			@Override
576			public void run() {
577			startLocatorTask();
578			}
579			};
580			break;
581			case ByName:
582			runner = new Runnable() {
583			@Override
584			public void run() {
585			startNameSearch( FindStationsTask.this.name );
586			}
587			};
588			break;
589			case ByList:
590			runner = new Runnable() {
591			@Override
592			public void run() {
593			startFavoriteLookup();
594			}
595			};
596			break;
597			}
598
599			stationsFetched.post( runner );
600	torben	336	}
601			});
602	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
603	torben	336	public void onClick(DialogInterface dialog, int id) {
604			dialog.dismiss();
605	torben	843	StationList.this.finish();
606	torben	336	}
607	torben	701	});
608
609			builderShowSafe(builder); // builder.show()
610	torben	319	}
611	torben	241	}
612			}
613	torben	433
614
615			class FavoritesMenu implements OnCreateContextMenuListener {
616			private final static int FAVORITES_ADD = 9001;
617			private final static int FAVORITES_REMOVE = 9002;
618
619			private int selectedPosition;
620
621
622			@Override
623			public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
624
625			AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
626			selectedPosition = info.position;
627			int stationID = stations.get(selectedPosition).getId();
628
629	torben	441	if (!favorites.contains(stationID)) {
630	torben	561	menu.add(0, FAVORITES_ADD, 0, getString(stationlist_addfavorite) );
631	torben	433	} else {
632	torben	563	menu.add(0, FAVORITES_REMOVE, 0, getString(stationlist_removefavorite) );
633	torben	433	}
634
635			}
636
637			public void onContextItemSelected(MenuItem item) {
638			StationBean sb = stations.get(selectedPosition);
639
640			int stationID = sb.getId();
641			if (item.getItemId() == FAVORITES_ADD) {
642			favorites.add(stationID);
643	torben	561	Toast.makeText(StationList.this, getString(stationlist_stationadded), Toast.LENGTH_SHORT).show();
644	torben	433	} else {
645	torben	473
646	torben	433	favorites.remove(stationID);
647	torben	561	Toast.makeText(StationList.this, getString(stationlist_stationremoved), Toast.LENGTH_SHORT).show();
648	torben	473
649	torben	481
650			if (listType.equals( WelcomeScreen.ListType.ListFavorites) ) {
651	torben	473	stations.remove(selectedPosition);
652			adapter.notifyDataSetChanged();
653			}
654	torben	433	}
655	torben	435	Editor ed = prefs.edit();
656			ed.putString("favorites", favorites.toString());
657			ed.commit();
658	torben	433	}
659			}
660	torben	237	}