thoerup/traininfo/StationList.java

package dk.thoerup.traininfo;

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


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

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

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

public class StationList extends ListActivity  {
        public static final int GOTLOCATION = 1001;
        public static final int GOTSTATIONLIST = 1002;
        public static final int NOPROVIDER = 1003;
        public static final int LOCATIONFIXTIMEOUT = 1004;
        
        public static final int OPTIONS_MAP = 2003;
        public static final int OPTIONS_GPSINFO = 2004;
        
        public static final int DLG_PROGRESS = 3001;
        public static final int DLG_STATIONNAME = 3002;
        
        
        public static final int GPS_TIMEOUT_MS = 17500; //how long are we willing to wait for gps fix -in milliseconds
        
        
        static enum LookupMethod {
                ByLocation,
                ByName,
                ByList,
                MethodNone
        }
        
        
        String dialogMessage = "";
        ProgressDialog dialog;
        LocationLookup locationLookup = null;
        FindStationsTask findStationsTask;
        StationsFetchedHandler stationsFetched = new StationsFetchedHandler();
        
        GeoPair location = new GeoPair();

        boolean isLaunchedforShortcut;
        boolean isRunning = false;
        List<StationBean> stations = new ArrayList<StationBean>();
        
        StationProvider stationProvider = ProviderFactory.getStationProvider();
                
        StationListAdapter adapter = null;
        
        FavoritesMenu contextMenu = new FavoritesMenu();
        IntSet favorites = new IntSet();

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

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

                        
                        switch (listType) {
                        case ListNearest:
                                startLookup();
                                break;
                        case ListSearch:                                
                                showDialog(DLG_STATIONNAME); //TODO: 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 );
                showDialog(DLG_PROGRESS);//TODO:showDialogSafe(DLG_PROGRESS);
                
                locationLookup.locateStations();
                stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, GPS_TIMEOUT_MS);
        }
        
        void startNameSearch(String name) {
                dialogMessage = getString( stationlist_findbyname );
                showDialog(DLG_PROGRESS);//TODO:showDialogSafe(DLG_PROGRESS);

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

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


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

                        case NOPROVIDER:
                                dismissDialog(DLG_PROGRESS);//TODO: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 {                                                
                                                dismissDialog(DLG_PROGRESS);//TODO: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();
                                                        }                                                       
                                                });
                                                builder.show();//TODO:builderShowSafe(builder); 

                                        }
                                }
                                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();//TODO: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();
                                        }                                                       
                                });
                                
                                builder.show();//TODO:builderShowSafe(builder); 
                        }
                }
        }
        
        
        class FavoritesMenu implements OnCreateContextMenuListener {
                private final static int FAVORITES_ADD = 9001;
                private final static int FAVORITES_REMOVE = 9002;
                
                private int selectedPosition;
                
                
                @Override
                public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
                                                
                        AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
                        selectedPosition = info.position;
                        int stationID = stations.get(selectedPosition).getId();

                        if (!favorites.contains(stationID)) {
                                menu.add(0, FAVORITES_ADD, 0, getString(stationlist_addfavorite) );
                        } else {
                                menu.add(0, FAVORITES_REMOVE, 0, getString(stationlist_removefavorite) );
                        }
                        
                }
                
                public void onContextItemSelected(MenuItem item) {
                        StationBean sb = stations.get(selectedPosition);
                        
                        int stationID = sb.getId();
                        if (item.getItemId() == FAVORITES_ADD) {
                                favorites.add(stationID);
                                Toast.makeText(StationList.this, getString(stationlist_stationadded), Toast.LENGTH_SHORT).show();
                        } else {
                                
                                favorites.remove(stationID);
                                Toast.makeText(StationList.this, getString(stationlist_stationremoved), Toast.LENGTH_SHORT).show();
                                
                                
                                if (listType.equals( WelcomeScreen.ListType.ListFavorites) ) {
                                        stations.remove(selectedPosition);
                                        adapter.notifyDataSetChanged();
                                }
                        }
                        Editor ed = prefs.edit();
                        ed.putString("favorites", favorites.toString());
                        ed.commit();
                }
        }
}
1	torben	237	package dk.thoerup.traininfo;
2
3	torben	258	import java.util.ArrayList;
4			import java.util.List;
5
6	torben	493
7	torben	731	import android.app.Activity;
8	torben	336	import android.app.AlertDialog;
9	torben	237	import android.app.Dialog;
10			import android.app.ListActivity;
11			import android.app.ProgressDialog;
12	torben	336	import android.content.DialogInterface;
13	torben	237	import android.content.Intent;
14	torben	433	import android.content.SharedPreferences;
15	torben	435	import android.content.SharedPreferences.Editor;
16	torben	319	import android.location.Location;
17	torben	241	import android.os.AsyncTask;
18	torben	237	import android.os.Bundle;
19			import android.os.Handler;
20			import android.os.Message;
21	torben	493
22	torben	433	import android.view.ContextMenu;
23	torben	381	import android.view.LayoutInflater;
24	torben	368	import android.view.Menu;
25			import android.view.MenuItem;
26	torben	237	import android.view.View;
27	torben	433	import android.view.ContextMenu.ContextMenuInfo;
28			import android.view.View.OnCreateContextMenuListener;
29			import android.widget.AdapterView;
30	torben	381	import android.widget.EditText;
31	torben	237	import android.widget.ListView;
32	torben	433	import android.widget.Toast;
33	torben	319	import dk.thoerup.traininfo.provider.ProviderFactory;
34			import dk.thoerup.traininfo.provider.StationProvider;
35	torben	368	import dk.thoerup.traininfo.stationmap.GeoPair;
36			import dk.thoerup.traininfo.stationmap.StationMapView;
37	torben	433	import dk.thoerup.traininfo.util.IntSet;
38	torben	245	import dk.thoerup.traininfo.util.MessageBox;
39	torben	237
40	torben	561	import static dk.thoerup.traininfo.R.string.*;
41
42	torben	336	public class StationList extends ListActivity {
43			public static final int GOTLOCATION = 1001;
44			public static final int GOTSTATIONLIST = 1002;
45			public static final int NOPROVIDER = 1003;
46			public static final int LOCATIONFIXTIMEOUT = 1004;
47	torben	368
48	torben	381	public static final int OPTIONS_MAP = 2003;
49	torben	481	public static final int OPTIONS_GPSINFO = 2004;
50	torben	433
51	torben	381	public static final int DLG_PROGRESS = 3001;
52			public static final int DLG_STATIONNAME = 3002;
53	torben	237
54	torben	948
55			public static final int GPS_TIMEOUT_MS = 17500; //how long are we willing to wait for gps fix -in milliseconds
56
57
58	torben	440	static enum LookupMethod {
59			ByLocation,
60			ByName,
61			ByList,
62			MethodNone
63			}
64
65
66	torben	336	String dialogMessage = "";
67	torben	237	ProgressDialog dialog;
68	torben	482	LocationLookup locationLookup = null;
69	torben	440	FindStationsTask findStationsTask;
70	torben	381	StationsFetchedHandler stationsFetched = new StationsFetchedHandler();
71	torben	237
72	torben	374	GeoPair location = new GeoPair();
73	torben	731
74			boolean isLaunchedforShortcut;
75	torben	258	boolean isRunning = false;
76			List<StationBean> stations = new ArrayList<StationBean>();
77
78	torben	319	StationProvider stationProvider = ProviderFactory.getStationProvider();
79	torben	381
80			StationListAdapter adapter = null;
81	torben	258
82	torben	433	FavoritesMenu contextMenu = new FavoritesMenu();
83			IntSet favorites = new IntSet();
84	torben	481
85			WelcomeScreen.ListType listType;
86	torben	433	SharedPreferences prefs;
87
88	torben	381	///////////////////////////////////////////////////////////////////////////////////////////
89			//Activity call backs
90
91	torben	258	@SuppressWarnings("unchecked")
92	torben	237	@Override
93			public void onCreate(Bundle savedInstanceState) {
94			super.onCreate(savedInstanceState);
95	torben	481	setContentView(R.layout.stationlist);
96	torben	237
97	torben	241
98	torben	237	adapter = new StationListAdapter(this);
99			setListAdapter(adapter);
100
101	torben	433	ListView lv = getListView();
102			lv.setOnCreateContextMenuListener(contextMenu);
103
104	torben	482	locationLookup = new LocationLookup(this, stationsFetched);
105	torben	433
106
107			prefs = getSharedPreferences("TrainStation", 0);
108			String favoriteString = prefs.getString("favorites", "");
109			if (! favoriteString.equals("") ) {
110			favorites.fromString(favoriteString);
111			}
112
113	torben	482	listType = (WelcomeScreen.ListType) getIntent().getSerializableExtra("type");
114			setTitle();
115
116	torben	731	isLaunchedforShortcut = getIntent().getBooleanExtra("shortcut", false);
117
118	torben	258	if (savedInstanceState == null) {
119	torben	482
120
121	torben	481	switch (listType) {
122			case ListNearest:
123			startLookup();
124			break;
125	torben	983	case ListSearch:
126			showDialog(DLG_STATIONNAME); //TODO: 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	torben	983
185			/*
186	torben	701	public void showDialogSafe(int id) {
187			try {
188			showDialog(id);
189			} catch (Exception e) {
190			Log.e("StationList", "showDialog failed", e);
191			}
192			}
193
194			public void dismissDialogSafe(int id) {
195			try {
196			dismissDialog(id);
197			} catch (Exception e) {
198			Log.e("StationList", "dismissDialog failed", e);
199			}
200			}
201	torben	725	public void dismissDialogSafe(Dialog dlg) {
202			try {
203			dlg.dismiss();
204			} catch (Exception e) {
205			Log.e("StationList", "dismissDialog failed", e);
206			}
207			}
208	torben	701
209			public void builderShowSafe(AlertDialog.Builder builder) {
210			try {
211			builder.show();
212			} catch (Exception e) {
213			Log.e("StationList", "builder.show() failed", e);
214			}
215
216	torben	983	}*/
217
218	torben	701	/* EOF rude and ugly dialog hack */
219
220	torben	371
221
222	torben	243	@Override
223			public void onSaveInstanceState(Bundle outState)
224			{
225	torben	258	if (dialog != null && dialog.isShowing())
226	torben	243	dialog.dismiss();
227	torben	258	outState.putSerializable("stations", (ArrayList<StationBean>) stations);
228	torben	374	outState.putSerializable("location", location);
229	torben	482
230	torben	243	}
231	torben	237
232	torben	243
233	torben	237
234			@Override
235	torben	368	public boolean onCreateOptionsMenu(Menu menu) {
236	torben	419	MenuItem item;
237	torben	561
238			item = menu.add(0, OPTIONS_MAP, 0, getString(stationlist_stationmap));
239	torben	419	item.setIcon(android.R.drawable.ic_menu_mapmode);
240
241	torben	561	item = menu.add(0, OPTIONS_GPSINFO, 0, getString(stationlist_gpsinfo));
242	torben	481	item.setIcon(android.R.drawable.ic_menu_mapmode);
243
244	torben	368	return true;
245			}
246
247			@Override
248			public boolean onOptionsItemSelected(MenuItem item) {
249	torben	381	boolean retval = true;
250
251	torben	481	//TODO: Cleanup
252	torben	368	switch (item.getItemId()) {
253			case OPTIONS_MAP:
254
255			Intent intent = new Intent(this,StationMapView.class);
256
257			ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>();
258			for (StationBean st : stations ) {
259	torben	369	stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) );
260	torben	368	}
261
262			intent.putExtra("stations", stationPoints);
263
264			startActivity(intent);
265			break;
266	torben	481	case OPTIONS_GPSINFO:
267	torben	482	Location loc = locationLookup.getLocation();
268	torben	371	StringBuffer message = new StringBuffer();
269	torben	561	message.append( getString(stationlist_locationinfo) ).append(":\n");
270	torben	554	if (loc != null) {
271	torben	561	message.append( getString(stationlist_obtainedby) ).append( loc.getProvider() ).append("\n");
272			message.append( getString(stationlist_accuracy) ).append( (int)loc.getAccuracy()).append("m\n");
273	torben	564	message.append( getString(stationlist_latitude) ).append( (float)loc.getLatitude()).append("\n");
274			message.append( getString(stationlist_longitude) ).append( (float)loc.getLongitude() ).append("\n");
275	torben	554	} else {
276	torben	561	message.append( getString(stationlist_nolocation) );
277	torben	556	}
278
279	torben	906	MessageBox.showMessage(this, message.toString(), false);
280	torben	371	break;
281	torben	368	default:
282			retval = super.onOptionsItemSelected(item);
283			}
284
285			return retval;
286			}
287	torben	433
288
289	torben	368
290			@Override
291	torben	433	public boolean onContextItemSelected(MenuItem item) {
292			contextMenu.onContextItemSelected(item);
293			return true;
294
295
296			}
297	torben	556
298			public void showMessageAndClose(String message) {
299			AlertDialog.Builder builder = new AlertDialog.Builder(this);
300			builder.setMessage(message)
301			.setCancelable(false)
302			.setPositiveButton("OK", new DialogInterface.OnClickListener() {
303			public void onClick(DialogInterface dialog, int id) {
304			dialog.dismiss();
305			StationList.this.finish();
306			}
307			})
308			.show();
309			}
310	torben	433
311
312
313
314			@Override
315	torben	237	protected Dialog onCreateDialog(int id) {
316			switch (id) {
317			case DLG_PROGRESS:
318			ProgressDialog dlg = new ProgressDialog(this);
319	torben	561	dlg.setMessage( getString(stationlist_waitforlocation) );
320	torben	237	dlg.setCancelable(false);
321	torben	336	return dlg;
322	torben	381	case DLG_STATIONNAME:
323			LayoutInflater factory = LayoutInflater.from(this);
324			final View rootView = factory.inflate(R.layout.textinput, null);
325
326
327			AlertDialog.Builder builder = new AlertDialog.Builder(this);
328
329	torben	561	builder.setTitle( getString(stationlist_stationsearch) );
330	torben	381	builder.setView(rootView);
331			builder.setCancelable(true);
332	torben	561	builder.setPositiveButton( getString(generic_search), new DialogInterface.OnClickListener() {
333	torben	381	public void onClick(DialogInterface dialog, int which) {
334			EditText et = (EditText) rootView.findViewById(R.id.EditText);
335			dialog.dismiss();
336	torben	713	String search = et.getText().toString().trim();
337			if (search.length() >= 2) {
338			startNameSearch(search);
339	torben	381	} else {
340	torben	561	showMessageAndClose( getString(stationlist_twocharmin) );
341	torben	381	}
342			}
343			});
344	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
345	torben	381	public void onClick(DialogInterface dialog, int which) {
346			dialog.dismiss();
347	torben	555	StationList.this.finish(); // Close this Activity
348	torben	381	}
349			});
350			return builder.create();
351
352	torben	237	default:
353			return super.onCreateDialog(id);
354			}
355
356			}
357
358
359			@Override
360			protected void onPrepareDialog(int id, Dialog dialog) {
361			super.onPrepareDialog(id, dialog);
362			switch (id) {
363			case DLG_PROGRESS:
364			this.dialog = (ProgressDialog) dialog;
365	torben	336	if (!dialogMessage.equals("")) {
366			this.dialog.setMessage(dialogMessage);
367			dialogMessage = "";
368			}
369	torben	237	break;
370			}
371			}
372	torben	381
373			@Override
374			protected void onListItemClick(ListView l, View v, int position, long id) {
375			super.onListItemClick(l, v, position, id);
376
377			StationBean station = stations.get(position);
378
379	torben	731	if (isLaunchedforShortcut == true) {
380			Intent i = new Intent();
381			i.putExtra("station", station);
382			setResult(Activity.RESULT_OK, i);
383			finish();
384			} else {
385			Intent intent = new Intent(this, DepartureList.class);
386			intent.putExtra("stationbean", station);
387			startActivity(intent);
388			}
389	torben	381	}
390
391			/////////////////////////////////////////////////////////////
392			//
393
394	torben	237	public void startLookup() {
395	torben	561	isRunning = true;
396			dialogMessage = getString( stationlist_waitforlocation );
397	torben	983	showDialog(DLG_PROGRESS);//TODO:showDialogSafe(DLG_PROGRESS);
398	torben	237
399	torben	482	locationLookup.locateStations();
400	torben	948	stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, GPS_TIMEOUT_MS);
401	torben	237	}
402	torben	381
403			void startNameSearch(String name) {
404	torben	561	dialogMessage = getString( stationlist_findbyname );
405	torben	983	showDialog(DLG_PROGRESS);//TODO:showDialogSafe(DLG_PROGRESS);
406	torben	237
407	torben	440	findStationsTask = new FindStationsTask();
408	torben	579	findStationsTask.searchByName(name);
409	torben	440	findStationsTask.execute();
410	torben	381
411			}
412	torben	433
413			public void startFavoriteLookup() {
414
415	torben	440	if (favorites.size() > 0) {
416	torben	561	dialogMessage = getString( stationlist_loadfavorites );
417	torben	983	showDialog(DLG_PROGRESS);//TODO:showDialogSafe(DLG_PROGRESS);
418	torben	237
419	torben	440	findStationsTask = new FindStationsTask();
420	torben	579	findStationsTask.searchByIds( favorites.toString() );
421	torben	440	findStationsTask.execute();
422	torben	433	} else {
423	torben	561	showMessageAndClose( getString( stationlist_nofavorites ) );
424	torben	433	}
425			}
426	torben	381
427	torben	433
428	torben	381
429			void startLocatorTask()
430			{
431	torben	561	dialogMessage = getString( stationlist_findingnearby );
432	torben	983	showDialog(DLG_PROGRESS);//TODO:showDialogSafe(DLG_PROGRESS);
433	torben	381
434	torben	440	findStationsTask = new FindStationsTask();
435	torben	482	findStationsTask.searchByLocation( locationLookup.getLocation() );
436	torben	440	findStationsTask.execute();
437	torben	381	}
438
439
440			////////////////////////////////////////////////////////////////////////////
441			// Inner classes
442
443			class StationsFetchedHandler extends Handler {
444	torben	237	@Override
445			public void handleMessage(Message msg) {
446	torben	336
447	torben	237	switch (msg.what) {
448			case GOTLOCATION:
449	torben	983	dismissDialog(DLG_PROGRESS);//TODO:dismissDialogSafe(DLG_PROGRESS);
450	torben	336
451			startLocatorTask();
452	torben	482	location = GeoPair.fromLocation( locationLookup.getLocation() );
453	torben	336
454	torben	237	break;
455	torben	319
456	torben	237	case NOPROVIDER:
457	torben	983	dismissDialog(DLG_PROGRESS);//TODO:dismissDialogSafe(DLG_PROGRESS);
458	torben	906	MessageBox.showMessage(StationList.this, getString(stationlist_nolocationprovider), true );
459			//StationList.this.finish();
460	torben	237	break;
461	torben	336	case LOCATIONFIXTIMEOUT:
462	torben	237	if (isRunning) {
463	torben	482	locationLookup.stopSearch();
464			if (locationLookup.hasLocation()) {
465	torben	336	stationsFetched.sendEmptyMessage( GOTLOCATION );
466			} else {
467	torben	983	dismissDialog(DLG_PROGRESS);//TODO:dismissDialogSafe(DLG_PROGRESS);
468	torben	336
469			AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
470	torben	561	builder.setMessage( getString( stationlist_gpstimeout) );
471	torben	336	builder.setCancelable(true);
472	torben	561	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
473	torben	336	public void onClick(DialogInterface dialog, int id) {
474			dialog.dismiss();
475			startLookup();
476
477			}
478			});
479	torben	561	builder.setNegativeButton( getString(generic_cancel), new DialogInterface.OnClickListener() {
480	torben	336	public void onClick(DialogInterface dialog, int id) {
481			dialog.dismiss();
482			}
483	torben	701	});
484	torben	983	builder.show();//TODO:builderShowSafe(builder);
485	torben	336
486	torben	285	}
487	torben	237	}
488			break;
489			}
490			isRunning = false;
491			}
492			};
493	torben	381
494	torben	237
495	torben	440	class FindStationsTask extends AsyncTask<Void,Void,Void> {
496	torben	336
497	torben	381	LookupMethod method = LookupMethod.MethodNone;
498			boolean success;
499			String name;
500			Location loc;
501	torben	433	String ids;
502	torben	237
503	torben	579	public void searchByName(String n) {
504	torben	317
505	torben	381	method = LookupMethod.ByName;
506			name = n;
507	torben	317	}
508
509	torben	381	public void searchByLocation(Location l) {
510			method = LookupMethod.ByLocation;
511			loc = l;
512			}
513
514	torben	579	public void searchByIds(String id) {
515	torben	433
516			method = LookupMethod.ByList;
517			ids = id;
518			}
519
520	torben	241	@Override
521			protected void onPreExecute() {
522	torben	258
523	torben	381	if (method.equals(LookupMethod.MethodNone))
524			throw new RuntimeException("Method not set");
525	torben	241	super.onPreExecute();
526			}
527
528			@Override
529			protected Void doInBackground(Void... params) {
530	torben	473
531			switch (method) {
532			case ByLocation:
533	torben	381	success = stationProvider.lookupStations(loc);
534	torben	473	break;
535			case ByName:
536	torben	433	success = stationProvider.lookupStationsByName(name);
537	torben	473	break;
538			case ByList:
539	torben	433	success = stationProvider.lookupStationsByIds(ids);
540	torben	473	break;
541			default:
542			success = false; // not possible
543			}
544	torben	433
545	torben	473
546	torben	241	return null;
547			}
548
549			@Override
550			protected void onPostExecute(Void result) {
551			super.onPostExecute(result);
552	torben	983	dialog.dismiss();//TODO:dismissDialogSafe(dialog);
553	torben	319
554	torben	473
555	torben	319	if (success) {
556	torben	566	if (stationProvider.getStations().size() == 0) {
557			showMessageAndClose(getString(stationlist_nostations));
558			}
559	torben	319	stations = stationProvider.getStations();
560	torben	917
561			StationList.this.getListView().invalidateViews();
562	torben	481	adapter.setStations( stations );
563	torben	319
564	torben	917
565	torben	319	} else { //communication or parse errors
566	torben	336	AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
567	torben	844	builder.setMessage(getString(stationlist_fetcherror));
568	torben	336	builder.setCancelable(true);
569	torben	561	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
570	torben	336	public void onClick(DialogInterface dialog, int id) {
571			dialog.dismiss();
572
573	torben	652	Runnable runner = null;
574			switch (method) {
575			case ByLocation:
576			runner = new Runnable() {
577			@Override
578			public void run() {
579			startLocatorTask();
580			}
581			};
582			break;
583			case ByName:
584			runner = new Runnable() {
585			@Override
586			public void run() {
587			startNameSearch( FindStationsTask.this.name );
588			}
589			};
590			break;
591			case ByList:
592			runner = new Runnable() {
593			@Override
594			public void run() {
595			startFavoriteLookup();
596			}
597			};
598			break;
599			}
600
601			stationsFetched.post( runner );
602	torben	336	}
603			});
604	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
605	torben	336	public void onClick(DialogInterface dialog, int id) {
606			dialog.dismiss();
607	torben	843	StationList.this.finish();
608	torben	336	}
609	torben	701	});
610
611	torben	983	builder.show();//TODO:builderShowSafe(builder);
612	torben	319	}
613	torben	241	}
614			}
615	torben	433
616
617			class FavoritesMenu implements OnCreateContextMenuListener {
618			private final static int FAVORITES_ADD = 9001;
619			private final static int FAVORITES_REMOVE = 9002;
620
621			private int selectedPosition;
622
623
624			@Override
625			public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
626
627			AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
628			selectedPosition = info.position;
629			int stationID = stations.get(selectedPosition).getId();
630
631	torben	441	if (!favorites.contains(stationID)) {
632	torben	561	menu.add(0, FAVORITES_ADD, 0, getString(stationlist_addfavorite) );
633	torben	433	} else {
634	torben	563	menu.add(0, FAVORITES_REMOVE, 0, getString(stationlist_removefavorite) );
635	torben	433	}
636
637			}
638
639			public void onContextItemSelected(MenuItem item) {
640			StationBean sb = stations.get(selectedPosition);
641
642			int stationID = sb.getId();
643			if (item.getItemId() == FAVORITES_ADD) {
644			favorites.add(stationID);
645	torben	561	Toast.makeText(StationList.this, getString(stationlist_stationadded), Toast.LENGTH_SHORT).show();
646	torben	433	} else {
647	torben	473
648	torben	433	favorites.remove(stationID);
649	torben	561	Toast.makeText(StationList.this, getString(stationlist_stationremoved), Toast.LENGTH_SHORT).show();
650	torben	473
651	torben	481
652			if (listType.equals( WelcomeScreen.ListType.ListFavorites) ) {
653	torben	473	stations.remove(selectedPosition);
654			adapter.notifyDataSetChanged();
655			}
656	torben	433	}
657	torben	435	Editor ed = prefs.edit();
658			ed.putString("favorites", favorites.toString());
659			ed.commit();
660	torben	433	}
661			}
662	torben	237	}