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;
        
        
        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:
                                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, GPS_TIMEOUT_MS);
        }
        
        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	package dk.thoerup.traininfo;
2
3	import java.util.ArrayList;
4	import java.util.List;
5
6
7	import android.app.Activity;
8	import android.app.AlertDialog;
9	import android.app.Dialog;
10	import android.app.ListActivity;
11	import android.app.ProgressDialog;
12	import android.content.DialogInterface;
13	import android.content.Intent;
14	import android.content.SharedPreferences;
15	import android.content.SharedPreferences.Editor;
16	import android.location.Location;
17	import android.os.AsyncTask;
18	import android.os.Bundle;
19	import android.os.Handler;
20	import android.os.Message;
21
22	import android.util.Log;
23	import android.view.ContextMenu;
24	import android.view.LayoutInflater;
25	import android.view.Menu;
26	import android.view.MenuItem;
27	import android.view.View;
28	import android.view.ContextMenu.ContextMenuInfo;
29	import android.view.View.OnCreateContextMenuListener;
30	import android.widget.AdapterView;
31	import android.widget.EditText;
32	import android.widget.ListView;
33	import android.widget.Toast;
34	import dk.thoerup.traininfo.provider.ProviderFactory;
35	import dk.thoerup.traininfo.provider.StationProvider;
36	import dk.thoerup.traininfo.stationmap.GeoPair;
37	import dk.thoerup.traininfo.stationmap.StationMapView;
38	import dk.thoerup.traininfo.util.IntSet;
39	import dk.thoerup.traininfo.util.MessageBox;
40
41	import static dk.thoerup.traininfo.R.string.*;
42
43	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
49	public static final int OPTIONS_MAP = 2003;
50	public static final int OPTIONS_GPSINFO = 2004;
51
52	public static final int DLG_PROGRESS = 3001;
53	public static final int DLG_STATIONNAME = 3002;
54
55
56	public static final int GPS_TIMEOUT_MS = 17500; //how long are we willing to wait for gps fix -in milliseconds
57
58
59	static enum LookupMethod {
60	ByLocation,
61	ByName,
62	ByList,
63	MethodNone
64	}
65
66
67	String dialogMessage = "";
68	ProgressDialog dialog;
69	LocationLookup locationLookup = null;
70	FindStationsTask findStationsTask;
71	StationsFetchedHandler stationsFetched = new StationsFetchedHandler();
72
73	GeoPair location = new GeoPair();
74
75	boolean isLaunchedforShortcut;
76	boolean isRunning = false;
77	List<StationBean> stations = new ArrayList<StationBean>();
78
79	StationProvider stationProvider = ProviderFactory.getStationProvider();
80
81	StationListAdapter adapter = null;
82
83	FavoritesMenu contextMenu = new FavoritesMenu();
84	IntSet favorites = new IntSet();
85
86	WelcomeScreen.ListType listType;
87	SharedPreferences prefs;
88
89	///////////////////////////////////////////////////////////////////////////////////////////
90	//Activity call backs
91
92	@SuppressWarnings("unchecked")
93	@Override
94	public void onCreate(Bundle savedInstanceState) {
95	super.onCreate(savedInstanceState);
96	setContentView(R.layout.stationlist);
97
98
99	adapter = new StationListAdapter(this);
100	setListAdapter(adapter);
101
102	ListView lv = getListView();
103	lv.setOnCreateContextMenuListener(contextMenu);
104
105	locationLookup = new LocationLookup(this, stationsFetched);
106
107
108	prefs = getSharedPreferences("TrainStation", 0);
109	String favoriteString = prefs.getString("favorites", "");
110	if (! favoriteString.equals("") ) {
111	favorites.fromString(favoriteString);
112	}
113
114	listType = (WelcomeScreen.ListType) getIntent().getSerializableExtra("type");
115	setTitle();
116
117	isLaunchedforShortcut = getIntent().getBooleanExtra("shortcut", false);
118
119	if (savedInstanceState == null) {
120
121
122	switch (listType) {
123	case ListNearest:
124	startLookup();
125	break;
126	case ListSearch:
127	this.showDialogSafe(DLG_STATIONNAME);
128	break;
129	case ListFavorites:
130	startFavoriteLookup();
131	break;
132	default:
133	// Not possible !?!
134	}
135
136	} else {
137	stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations");
138	adapter.setStations(stations);
139	location = (GeoPair) savedInstanceState.getSerializable("location");
140	}
141
142	}
143
144
145	@Override
146	protected void onDestroy() {
147	super.onDestroy();
148
149	if (findStationsTask != null) {
150	findStationsTask.cancel(true);
151	}
152	if (locationLookup != null) {
153	locationLookup.stopSearch();
154	}
155	isRunning = false;
156	}
157
158
159	protected void setTitle() {
160	String dialogTitle = getResources().getString(app_name);
161	switch (listType) {
162	case ListNearest:
163	dialogTitle += " - " + getString(stationlist_nearbystations);
164	break;
165	case ListSearch:
166	dialogTitle += " - " + getString(stationlist_search);
167	break;
168	case ListFavorites:
169	dialogTitle += " - " + getString(stationlist_favorites);
170	break;
171	default:
172	dialogTitle = "";//not possible
173	}
174
175	setTitle(dialogTitle);
176
177	}
178
179
180	/* these 3 dialogs helper functions are very rude and ugly hack
181	* to remove these auto-reported exceptions
182	* - android.view.WindowManager$BadTokenException: Unable to add window -- token android.os.BinderProxy@436aaef8 is not valid; is your activity running?
183	* - java.lang.IllegalArgumentException: View not attached to window manager
184	*/
185
186	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	public void dismissDialogSafe(Dialog dlg) {
202	try {
203	dlg.dismiss();
204	} catch (Exception e) {
205	Log.e("StationList", "dismissDialog failed", e);
206	}
207	}
208
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	}
217	/* EOF rude and ugly dialog hack */
218
219
220
221	@Override
222	public void onSaveInstanceState(Bundle outState)
223	{
224	if (dialog != null && dialog.isShowing())
225	dialog.dismiss();
226	outState.putSerializable("stations", (ArrayList<StationBean>) stations);
227	outState.putSerializable("location", location);
228
229	}
230
231
232
233	@Override
234	public boolean onCreateOptionsMenu(Menu menu) {
235	MenuItem item;
236
237	item = menu.add(0, OPTIONS_MAP, 0, getString(stationlist_stationmap));
238	item.setIcon(android.R.drawable.ic_menu_mapmode);
239
240	item = menu.add(0, OPTIONS_GPSINFO, 0, getString(stationlist_gpsinfo));
241	item.setIcon(android.R.drawable.ic_menu_mapmode);
242
243	return true;
244	}
245
246	@Override
247	public boolean onOptionsItemSelected(MenuItem item) {
248	boolean retval = true;
249
250	//TODO: Cleanup
251	switch (item.getItemId()) {
252	case OPTIONS_MAP:
253
254	Intent intent = new Intent(this,StationMapView.class);
255
256	ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>();
257	for (StationBean st : stations ) {
258	stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) );
259	}
260
261	intent.putExtra("stations", stationPoints);
262
263	startActivity(intent);
264	break;
265	case OPTIONS_GPSINFO:
266	Location loc = locationLookup.getLocation();
267	StringBuffer message = new StringBuffer();
268	message.append( getString(stationlist_locationinfo) ).append(":\n");
269	if (loc != null) {
270	message.append( getString(stationlist_obtainedby) ).append( loc.getProvider() ).append("\n");
271	message.append( getString(stationlist_accuracy) ).append( (int)loc.getAccuracy()).append("m\n");
272	message.append( getString(stationlist_latitude) ).append( (float)loc.getLatitude()).append("\n");
273	message.append( getString(stationlist_longitude) ).append( (float)loc.getLongitude() ).append("\n");
274	} else {
275	message.append( getString(stationlist_nolocation) );
276	}
277
278	MessageBox.showMessage(this, message.toString(), false);
279	break;
280	default:
281	retval = super.onOptionsItemSelected(item);
282	}
283
284	return retval;
285	}
286
287
288
289	@Override
290	public boolean onContextItemSelected(MenuItem item) {
291	contextMenu.onContextItemSelected(item);
292	return true;
293
294
295	}
296
297	public void showMessageAndClose(String message) {
298	AlertDialog.Builder builder = new AlertDialog.Builder(this);
299	builder.setMessage(message)
300	.setCancelable(false)
301	.setPositiveButton("OK", new DialogInterface.OnClickListener() {
302	public void onClick(DialogInterface dialog, int id) {
303	dialog.dismiss();
304	StationList.this.finish();
305	}
306	})
307	.show();
308	}
309
310
311
312
313	@Override
314	protected Dialog onCreateDialog(int id) {
315	switch (id) {
316	case DLG_PROGRESS:
317	ProgressDialog dlg = new ProgressDialog(this);
318	dlg.setMessage( getString(stationlist_waitforlocation) );
319	dlg.setCancelable(false);
320	return dlg;
321	case DLG_STATIONNAME:
322	LayoutInflater factory = LayoutInflater.from(this);
323	final View rootView = factory.inflate(R.layout.textinput, null);
324
325
326	AlertDialog.Builder builder = new AlertDialog.Builder(this);
327
328	builder.setTitle( getString(stationlist_stationsearch) );
329	builder.setView(rootView);
330	builder.setCancelable(true);
331	builder.setPositiveButton( getString(generic_search), new DialogInterface.OnClickListener() {
332	public void onClick(DialogInterface dialog, int which) {
333	EditText et = (EditText) rootView.findViewById(R.id.EditText);
334	dialog.dismiss();
335	String search = et.getText().toString().trim();
336	if (search.length() >= 2) {
337	startNameSearch(search);
338	} else {
339	showMessageAndClose( getString(stationlist_twocharmin) );
340	}
341	}
342	});
343	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
344	public void onClick(DialogInterface dialog, int which) {
345	dialog.dismiss();
346	StationList.this.finish(); // Close this Activity
347	}
348	});
349	return builder.create();
350
351	default:
352	return super.onCreateDialog(id);
353	}
354
355	}
356
357
358	@Override
359	protected void onPrepareDialog(int id, Dialog dialog) {
360	super.onPrepareDialog(id, dialog);
361	switch (id) {
362	case DLG_PROGRESS:
363	this.dialog = (ProgressDialog) dialog;
364	if (!dialogMessage.equals("")) {
365	this.dialog.setMessage(dialogMessage);
366	dialogMessage = "";
367	}
368	break;
369	}
370	}
371
372	@Override
373	protected void onListItemClick(ListView l, View v, int position, long id) {
374	super.onListItemClick(l, v, position, id);
375
376	StationBean station = stations.get(position);
377
378	if (isLaunchedforShortcut == true) {
379	Intent i = new Intent();
380	i.putExtra("station", station);
381	setResult(Activity.RESULT_OK, i);
382	finish();
383	} else {
384	Intent intent = new Intent(this, DepartureList.class);
385	intent.putExtra("stationbean", station);
386	startActivity(intent);
387	}
388	}
389
390	/////////////////////////////////////////////////////////////
391	//
392
393	public void startLookup() {
394	isRunning = true;
395	dialogMessage = getString( stationlist_waitforlocation );
396	showDialogSafe(DLG_PROGRESS);
397
398	locationLookup.locateStations();
399	stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, GPS_TIMEOUT_MS);
400	}
401
402	void startNameSearch(String name) {
403	dialogMessage = getString( stationlist_findbyname );
404	showDialogSafe(DLG_PROGRESS);
405
406	findStationsTask = new FindStationsTask();
407	findStationsTask.searchByName(name);
408	findStationsTask.execute();
409
410	}
411
412	public void startFavoriteLookup() {
413
414	if (favorites.size() > 0) {
415	dialogMessage = getString( stationlist_loadfavorites );
416	showDialogSafe(DLG_PROGRESS);
417
418	findStationsTask = new FindStationsTask();
419	findStationsTask.searchByIds( favorites.toString() );
420	findStationsTask.execute();
421	} else {
422	showMessageAndClose( getString( stationlist_nofavorites ) );
423	}
424	}
425
426
427
428	void startLocatorTask()
429	{
430	dialogMessage = getString( stationlist_findingnearby );
431	showDialogSafe(DLG_PROGRESS);
432
433	findStationsTask = new FindStationsTask();
434	findStationsTask.searchByLocation( locationLookup.getLocation() );
435	findStationsTask.execute();
436	}
437
438
439	////////////////////////////////////////////////////////////////////////////
440	// Inner classes
441
442	class StationsFetchedHandler extends Handler {
443	@Override
444	public void handleMessage(Message msg) {
445
446	switch (msg.what) {
447	case GOTLOCATION:
448	dismissDialogSafe(DLG_PROGRESS);
449
450	startLocatorTask();
451	location = GeoPair.fromLocation( locationLookup.getLocation() );
452
453	break;
454
455	case NOPROVIDER:
456	dismissDialogSafe(DLG_PROGRESS);
457	MessageBox.showMessage(StationList.this, getString(stationlist_nolocationprovider), true );
458	//StationList.this.finish();
459	break;
460	case LOCATIONFIXTIMEOUT:
461	if (isRunning) {
462	locationLookup.stopSearch();
463	if (locationLookup.hasLocation()) {
464	stationsFetched.sendEmptyMessage( GOTLOCATION );
465	} else {
466	dismissDialogSafe(DLG_PROGRESS);
467
468	AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
469	builder.setMessage( getString( stationlist_gpstimeout) );
470	builder.setCancelable(true);
471	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
472	public void onClick(DialogInterface dialog, int id) {
473	dialog.dismiss();
474	startLookup();
475
476	}
477	});
478	builder.setNegativeButton( getString(generic_cancel), new DialogInterface.OnClickListener() {
479	public void onClick(DialogInterface dialog, int id) {
480	dialog.dismiss();
481	}
482	});
483	builderShowSafe(builder); // builder.show()
484
485	}
486	}
487	break;
488	}
489	isRunning = false;
490	}
491	};
492
493
494	class FindStationsTask extends AsyncTask<Void,Void,Void> {
495
496	LookupMethod method = LookupMethod.MethodNone;
497	boolean success;
498	String name;
499	Location loc;
500	String ids;
501
502	public void searchByName(String n) {
503
504	method = LookupMethod.ByName;
505	name = n;
506	}
507
508	public void searchByLocation(Location l) {
509	method = LookupMethod.ByLocation;
510	loc = l;
511	}
512
513	public void searchByIds(String id) {
514
515	method = LookupMethod.ByList;
516	ids = id;
517	}
518
519	@Override
520	protected void onPreExecute() {
521
522	if (method.equals(LookupMethod.MethodNone))
523	throw new RuntimeException("Method not set");
524	super.onPreExecute();
525	}
526
527	@Override
528	protected Void doInBackground(Void... params) {
529
530	switch (method) {
531	case ByLocation:
532	success = stationProvider.lookupStations(loc);
533	break;
534	case ByName:
535	success = stationProvider.lookupStationsByName(name);
536	break;
537	case ByList:
538	success = stationProvider.lookupStationsByIds(ids);
539	break;
540	default:
541	success = false; // not possible
542	}
543
544
545	return null;
546	}
547
548	@Override
549	protected void onPostExecute(Void result) {
550	super.onPostExecute(result);
551	dismissDialogSafe(dialog);
552
553
554	if (success) {
555	if (stationProvider.getStations().size() == 0) {
556	showMessageAndClose(getString(stationlist_nostations));
557	}
558	stations = stationProvider.getStations();
559
560	StationList.this.getListView().invalidateViews();
561	adapter.setStations( stations );
562
563
564	} else { //communication or parse errors
565	AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this);
566	builder.setMessage(getString(stationlist_fetcherror));
567	builder.setCancelable(true);
568	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
569	public void onClick(DialogInterface dialog, int id) {
570	dialog.dismiss();
571
572	Runnable runner = null;
573	switch (method) {
574	case ByLocation:
575	runner = new Runnable() {
576	@Override
577	public void run() {
578	startLocatorTask();
579	}
580	};
581	break;
582	case ByName:
583	runner = new Runnable() {
584	@Override
585	public void run() {
586	startNameSearch( FindStationsTask.this.name );
587	}
588	};
589	break;
590	case ByList:
591	runner = new Runnable() {
592	@Override
593	public void run() {
594	startFavoriteLookup();
595	}
596	};
597	break;
598	}
599
600	stationsFetched.post( runner );
601	}
602	});
603	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
604	public void onClick(DialogInterface dialog, int id) {
605	dialog.dismiss();
606	StationList.this.finish();
607	}
608	});
609
610	builderShowSafe(builder); // builder.show()
611	}
612	}
613	}
614
615
616	class FavoritesMenu implements OnCreateContextMenuListener {
617	private final static int FAVORITES_ADD = 9001;
618	private final static int FAVORITES_REMOVE = 9002;
619
620	private int selectedPosition;
621
622
623	@Override
624	public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
625
626	AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
627	selectedPosition = info.position;
628	int stationID = stations.get(selectedPosition).getId();
629
630	if (!favorites.contains(stationID)) {
631	menu.add(0, FAVORITES_ADD, 0, getString(stationlist_addfavorite) );
632	} else {
633	menu.add(0, FAVORITES_REMOVE, 0, getString(stationlist_removefavorite) );
634	}
635
636	}
637
638	public void onContextItemSelected(MenuItem item) {
639	StationBean sb = stations.get(selectedPosition);
640
641	int stationID = sb.getId();
642	if (item.getItemId() == FAVORITES_ADD) {
643	favorites.add(stationID);
644	Toast.makeText(StationList.this, getString(stationlist_stationadded), Toast.LENGTH_SHORT).show();
645	} else {
646
647	favorites.remove(stationID);
648	Toast.makeText(StationList.this, getString(stationlist_stationremoved), Toast.LENGTH_SHORT).show();
649
650
651	if (listType.equals( WelcomeScreen.ListType.ListFavorites) ) {
652	stations.remove(selectedPosition);
653	adapter.notifyDataSetChanged();
654	}
655	}
656	Editor ed = prefs.edit();
657	ed.putString("favorites", favorites.toString());
658	ed.commit();
659	}
660	}
661	}