thoerup/traininfo/DepartureList.java

package dk.thoerup.traininfo;

import static dk.thoerup.traininfo.R.string.departurelist_fetchdepartures;
import static dk.thoerup.traininfo.R.string.departurelist_fetcharrivals;
import static dk.thoerup.traininfo.R.string.generic_cancel;
import static dk.thoerup.traininfo.R.string.generic_retry;


import java.text.NumberFormat;


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.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;
import dk.thoerup.traininfo.provider.DepartureProvider;
import dk.thoerup.traininfo.provider.ProviderFactory;
import dk.thoerup.traininfo.util.MessageBox;

public class DepartureList extends ListActivity {

        public static final int DLG_PROGRESS = 1;
        static final int MENU_MAP = 100;
        static final int MENU_NOTIFICATIONS = 101;
        
        
        DepartureListAdapter adapter;
        DepartureProvider provider;
        DepartureBean departures;
        
        int selectedItemId;
        //DepartureBean currentDeparture;
        
        ProgressDialog pgDialog;
        
        DepartureFetcher fetcher;

        StationBean station;
        
        boolean arrival = false;

        int commFailCounter = 0;

        @Override
        protected void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.departurelist);
                
                adapter = new DepartureListAdapter(this);
                setListAdapter(adapter);
                
                Intent launchedBy = getIntent();
        
                station = (StationBean) launchedBy.getSerializableExtra("stationbean");
                
                ((TextView) findViewById(R.id.stationName)).setText( station.getName() );


                ((TextView) findViewById(R.id.stationAddr)).setText( station.getAddress() );
                
                final Button departureBtn = (Button) findViewById(R.id.departurebtn);
                final Button arrivalBtn = (Button) findViewById(R.id.arrivalbtn);
                final Button metroBtn = (Button) findViewById(R.id.metrobtn);
                
                departureBtn.setOnClickListener( new OnClickListener() {
                        @Override
                        public void onClick(View arg0) {        
                                arrivalBtn.setBackgroundResource(R.drawable.custom_button);
                                departureBtn.setBackgroundResource(R.drawable.custom_button_hilight);
                                metroBtn.setBackgroundResource(R.drawable.custom_button);
                                arrival = false;
                                startDepartureFetcher();
                        }
                });
                arrivalBtn.setOnClickListener( new OnClickListener() {
                        @Override
                        public void onClick(View arg0) {        
                                arrivalBtn.setBackgroundResource(R.drawable.custom_button_hilight);
                                departureBtn.setBackgroundResource(R.drawable.custom_button);
                                metroBtn.setBackgroundResource(R.drawable.custom_button);
                                arrival = true;                 
                                startDepartureFetcher();
                        }
                });
                
                metroBtn.setOnClickListener( new OnClickListener() {                    
                        @Override
                        public void onClick(View v) {
                                arrivalBtn.setBackgroundResource(R.drawable.custom_button);
                                departureBtn.setBackgroundResource(R.drawable.custom_button);
                                metroBtn.setBackgroundResource(R.drawable.custom_button_hilight);
                        }
                });
                
                
                // findViewById(R.id.header).setOnClickListener( mapLauncher );
                
                int distance = station.getDistance();
                if (distance != 0) {
                        NumberFormat format = NumberFormat.getNumberInstance();
                        format.setMaximumFractionDigits(1);
                        format.setMinimumFractionDigits(1);
                
                        ((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
                } else {
                        ((TextView) findViewById(R.id.stationDistance)).setVisibility(View.GONE);
                }
        
                ProviderFactory.purgeOldEntries(); //cleanup before fetching more data
                
                Log.e("Station", station.toCSV() );
                
                if (station.isMetro() == false) {
                        metroBtn.setVisibility( View.GONE );
                }
        
                if (station.isRegional() == false && station.isSTrain() == false) {
                        getListView().setVisibility( View.GONE );               
                        findViewById(R.id.metroonly).setVisibility( View.VISIBLE );
                        departureBtn.setVisibility( View.GONE );
                        arrivalBtn.setVisibility(View.GONE);
                        metroBtn.setVisibility( View.GONE );
                        
                } else {
                        provider = ProviderFactory.getDepartureProvider();
                        
                        if (savedInstanceState == null) {
                                startDepartureFetcher();
                        } else {
                                departures = (DepartureBean) savedInstanceState.getSerializable("departures");
                                
                                if ( (departures != null) && (departures.entries != null) ) {
                                        adapter.setDepartures(departures.entries);
                                }
                                selectedItemId = savedInstanceState.getInt("selectedItemId");
                                
                                if ( hasNotifications() ) {
                                        findViewById(R.id.notifIcon).setVisibility(View.VISIBLE);
                                }
                                
                        }
                }
        }
        
        boolean hasNotifications() {
                return (departures != null && departures.notifications.size() > 0);
        }
        
    @Override 
    public void onSaveInstanceState(Bundle outState) 
    {
        if (pgDialog != null && pgDialog.isShowing())
                dismissDialog(DLG_PROGRESS);

        outState.putInt("selectedItemId", selectedItemId);
        
        outState.putSerializable("departures",  departures);
    }
    
    
        @Override
        protected void onDestroy() {
                super.onDestroy();
                
                if (fetcher != null) {
                        fetcher.cancel(true);
                }
        }

        @Override
        protected void onListItemClick(ListView l, View v, int position, long id) {
                super.onListItemClick(l, v, position, id);
                
                selectedItemId = position;
                
                DepartureEntry dep = departures.entries.get(selectedItemId);
        
                Intent intent = new Intent(this, TimetableList.class);
                intent.putExtra("departure", dep);
                
                startActivity(intent);
                                
        }
        

        @Override
        protected void onPrepareDialog(int id, Dialog dialog) {
                super.onPrepareDialog(id, dialog);
                
                switch (id) {
                case DLG_PROGRESS:
                        pgDialog = (ProgressDialog) dialog;
                        int messageId = arrival == false ? departurelist_fetchdepartures : departurelist_fetcharrivals;
                        pgDialog.setMessage( getString(messageId) );
                        break;
                }
        }
        
        @Override
        protected Dialog onCreateDialog(int id) {
                switch (id) {
                case DLG_PROGRESS:

                        ProgressDialog dlg = new ProgressDialog(this);
                        dlg.setCancelable(true);
                        return dlg;                     
                default:
                        return super.onCreateDialog(id);                
                }
        }
        
        
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
                MenuItem item;
                
                item = menu.add(0, MENU_MAP, 0, getString(R.string.departurelist_showonmap) );
                item.setIcon(android.R.drawable.ic_menu_mapmode);
                
                item = menu.add(0, MENU_NOTIFICATIONS, 0, getString(R.string.departurelist_notifications) );
                item.setIcon(android.R.drawable.ic_menu_info_details);
                
                
                boolean notifEnabled = hasNotifications();
                item.setEnabled(notifEnabled);
                

                return true;
        }

        @Override
        public boolean onOptionsItemSelected(MenuItem item) {           
                boolean res;
                switch(item.getItemId()) {
                case MENU_MAP:
                        Uri uri = Uri.parse("geo:" + station.getLatitude() + "," + station.getLongitude());
                        startActivity( new Intent(Intent.ACTION_VIEW, uri));
                        res = true;
                        break;
                case MENU_NOTIFICATIONS:
                        Intent i = new Intent(this,dk.thoerup.traininfo.NotificationList.class);
                        i.putExtra(NotificationList.EXTRA_NOTIFICATIONS, departures.notifications);
                        startActivity(i);
                        res = true;
                        break;
                default:
                        res = super.onOptionsItemSelected(item); 
                }
                return res;
        }

        void startDepartureFetcher() {
                showDialog(DLG_PROGRESS);
                fetcher = new DepartureFetcher(); 
                fetcher.execute(station.getId());
        }
        
        class DialogDismisser implements View.OnClickListener {

                Dialog dlg;
                public DialogDismisser(Dialog d) {
                        dlg = d;
                }
                
                @Override
                public void onClick(View v) {
                        if (dlg.isShowing())
                                dlg.dismiss();
                }       
        }
        
        /*View.OnClickListener mapLauncher = new View.OnClickListener() {
                @Override
                public void onClick(View v) {                   
                        Uri uri = Uri.parse("geo:" + station.getLatitude() + "," + station.getLongitude());
                        startActivity( new Intent(Intent.ACTION_VIEW, uri));
                }
        };*/


        class DepartureFetcher extends AsyncTask<Integer, Void, Void> {


                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        
                        
                        pgDialog.dismiss();
                        
                        if (departures != null) {
                                commFailCounter = 0;
                                DepartureList.this.getListView().setVisibility(View.GONE); //Experimental, inspired by http://osdir.com/ml/Android-Developers/2010-04/msg01198.html
                                adapter.setDepartures(departures.entries);
                                DepartureList.this.getListView().setVisibility(View.VISIBLE);
                                
                                
                                if ( hasNotifications() ) {
                                        findViewById(R.id.notifIcon).setVisibility(View.VISIBLE);
                                }
                                
                                if (departures.entries.size() == 0) {
                                        MessageBox.showMessage(DepartureList.this, "No departures found", true);
                                }
                        } else { // communication or parse error
                                commFailCounter++;
                                AlertDialog.Builder builder = new AlertDialog.Builder(DepartureList.this);                                              
                                builder.setMessage("Error finding departures");
                                builder.setCancelable(true);
                                if (commFailCounter < 3) {
                                        builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
                                                public void onClick(DialogInterface dialog, int id) {
                                                        dialog.dismiss();
                                                        startDepartureFetcher();
                                                        
                                                }
                                        });
                                }
                                builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                                DepartureList.this.finish();
                                        }                                                       
                                });
                                
                                try {
                                        builder.show();
                                } catch (android.view.WindowManager.BadTokenException e) {                                      
                                        Log.i("DepartureList", "BadTokenException"); // this can happen if the user switched away from this activity, while doInBackground was running
                                }                               
                        }
                }

                @Override
                protected Void doInBackground(Integer... params) {
                        departures = provider.lookupDepartures(params[0], DepartureList.this.arrival);
                        return null;
                }
                
        }
}
1	torben	237	package dk.thoerup.traininfo;
2
3	torben	835	import static dk.thoerup.traininfo.R.string.departurelist_fetchdepartures;
4			import static dk.thoerup.traininfo.R.string.departurelist_fetcharrivals;
5			import static dk.thoerup.traininfo.R.string.generic_cancel;
6			import static dk.thoerup.traininfo.R.string.generic_retry;
7
8
9	torben	237	import java.text.NumberFormat;
10
11	torben	981
12	torben	336	import android.app.AlertDialog;
13	torben	237	import android.app.Dialog;
14			import android.app.ListActivity;
15			import android.app.ProgressDialog;
16	torben	336	import android.content.DialogInterface;
17	torben	237	import android.content.Intent;
18	torben	239	import android.net.Uri;
19	torben	237	import android.os.AsyncTask;
20			import android.os.Bundle;
21	torben	630	import android.util.Log;
22	torben	982	import android.view.Menu;
23			import android.view.MenuItem;
24	torben	237	import android.view.View;
25	torben	835	import android.view.View.OnClickListener;
26			import android.widget.Button;
27	torben	237	import android.widget.ListView;
28			import android.widget.TextView;
29	torben	255	import dk.thoerup.traininfo.provider.DepartureProvider;
30	torben	253	import dk.thoerup.traininfo.provider.ProviderFactory;
31	torben	245	import dk.thoerup.traininfo.util.MessageBox;
32	torben	237
33			public class DepartureList extends ListActivity {
34
35			public static final int DLG_PROGRESS = 1;
36	torben	982	static final int MENU_MAP = 100;
37			static final int MENU_NOTIFICATIONS = 101;
38	torben	237
39	torben	362
40	torben	237	DepartureListAdapter adapter;
41			DepartureProvider provider;
42	torben	981	DepartureBean departures;
43	torben	237
44	torben	257	int selectedItemId;
45			//DepartureBean currentDeparture;
46	torben	237
47			ProgressDialog pgDialog;
48	torben	362
49	torben	238	DepartureFetcher fetcher;
50	torben	557
51			StationBean station;
52	torben	238
53	torben	835	boolean arrival = false;
54	torben	981
55	torben	1017	int commFailCounter = 0;
56
57	torben	237	@Override
58			protected void onCreate(Bundle savedInstanceState) {
59			super.onCreate(savedInstanceState);
60			setContentView(R.layout.departurelist);
61
62			adapter = new DepartureListAdapter(this);
63			setListAdapter(adapter);
64
65			Intent launchedBy = getIntent();
66	torben	557
67			station = (StationBean) launchedBy.getSerializableExtra("stationbean");
68	torben	239
69	torben	557	((TextView) findViewById(R.id.stationName)).setText( station.getName() );
70	torben	317
71	torben	557
72			((TextView) findViewById(R.id.stationAddr)).setText( station.getAddress() );
73	torben	237
74	torben	835	final Button departureBtn = (Button) findViewById(R.id.departurebtn);
75			final Button arrivalBtn = (Button) findViewById(R.id.arrivalbtn);
76	torben	1044	final Button metroBtn = (Button) findViewById(R.id.metrobtn);
77	torben	294
78	torben	835	departureBtn.setOnClickListener( new OnClickListener() {
79			@Override
80			public void onClick(View arg0) {
81			arrivalBtn.setBackgroundResource(R.drawable.custom_button);
82			departureBtn.setBackgroundResource(R.drawable.custom_button_hilight);
83	torben	1044	metroBtn.setBackgroundResource(R.drawable.custom_button);
84	torben	835	arrival = false;
85			startDepartureFetcher();
86			}
87			});
88			arrivalBtn.setOnClickListener( new OnClickListener() {
89			@Override
90			public void onClick(View arg0) {
91			arrivalBtn.setBackgroundResource(R.drawable.custom_button_hilight);
92			departureBtn.setBackgroundResource(R.drawable.custom_button);
93	torben	1044	metroBtn.setBackgroundResource(R.drawable.custom_button);
94	torben	835	arrival = true;
95			startDepartureFetcher();
96			}
97			});
98
99	torben	1044	metroBtn.setOnClickListener( new OnClickListener() {
100			@Override
101			public void onClick(View v) {
102			arrivalBtn.setBackgroundResource(R.drawable.custom_button);
103			departureBtn.setBackgroundResource(R.drawable.custom_button);
104			metroBtn.setBackgroundResource(R.drawable.custom_button_hilight);
105			}
106			});
107	torben	835
108
109
110	torben	1044
111	torben	982	// findViewById(R.id.header).setOnClickListener( mapLauncher );
112	torben	237
113	torben	557	int distance = station.getDistance();
114	torben	742	if (distance != 0) {
115			NumberFormat format = NumberFormat.getNumberInstance();
116			format.setMaximumFractionDigits(1);
117			format.setMinimumFractionDigits(1);
118	torben	575
119	torben	742	((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
120			} else {
121			((TextView) findViewById(R.id.stationDistance)).setVisibility(View.GONE);
122			}
123	torben	552
124	torben	1028	ProviderFactory.purgeOldEntries(); //cleanup before fetching more data
125	torben	1044
126			Log.e("Station", station.toCSV() );
127
128			if (station.isMetro() == false) {
129			metroBtn.setVisibility( View.GONE );
130			}
131	torben	1028
132	torben	557	if (station.isRegional() == false && station.isSTrain() == false) {
133	torben	552	getListView().setVisibility( View.GONE );
134			findViewById(R.id.metroonly).setVisibility( View.VISIBLE );
135	torben	835	departureBtn.setVisibility( View.GONE );
136			arrivalBtn.setVisibility(View.GONE);
137	torben	1044	metroBtn.setVisibility( View.GONE );
138	torben	552
139	torben	257	} else {
140	torben	552	provider = ProviderFactory.getDepartureProvider();
141
142			if (savedInstanceState == null) {
143			startDepartureFetcher();
144			} else {
145	torben	981	departures = (DepartureBean) savedInstanceState.getSerializable("departures");
146	torben	990
147			if ( (departures != null) && (departures.entries != null) ) {
148			adapter.setDepartures(departures.entries);
149			}
150	torben	982	selectedItemId = savedInstanceState.getInt("selectedItemId");
151
152			if ( hasNotifications() ) {
153			findViewById(R.id.notifIcon).setVisibility(View.VISIBLE);
154			}
155
156	torben	552	}
157	torben	257	}
158	torben	237	}
159
160	torben	982	boolean hasNotifications() {
161			return (departures != null && departures.notifications.size() > 0);
162			}
163
164	torben	243	@Override
165			public void onSaveInstanceState(Bundle outState)
166			{
167	torben	257	if (pgDialog != null && pgDialog.isShowing())
168			dismissDialog(DLG_PROGRESS);
169	torben	362
170	torben	257	outState.putInt("selectedItemId", selectedItemId);
171
172	torben	981	outState.putSerializable("departures", departures);
173	torben	243	}
174	torben	918
175
176	torben	243
177	torben	237	@Override
178	torben	918	protected void onDestroy() {
179			super.onDestroy();
180
181			if (fetcher != null) {
182			fetcher.cancel(true);
183			}
184			}
185
186			@Override
187	torben	237	protected void onListItemClick(ListView l, View v, int position, long id) {
188			super.onListItemClick(l, v, position, id);
189	torben	362
190			selectedItemId = position;
191	torben	364
192	torben	981	DepartureEntry dep = departures.entries.get(selectedItemId);
193	torben	237
194	torben	362	Intent intent = new Intent(this, TimetableList.class);
195	torben	364	intent.putExtra("departure", dep);
196	torben	362
197			startActivity(intent);
198
199	torben	237	}
200
201
202			@Override
203			protected void onPrepareDialog(int id, Dialog dialog) {
204			super.onPrepareDialog(id, dialog);
205	torben	257
206	torben	237	switch (id) {
207			case DLG_PROGRESS:
208			pgDialog = (ProgressDialog) dialog;
209	torben	835	int messageId = arrival == false ? departurelist_fetchdepartures : departurelist_fetcharrivals;
210			pgDialog.setMessage( getString(messageId) );
211	torben	237	break;
212			}
213			}
214
215			@Override
216			protected Dialog onCreateDialog(int id) {
217			switch (id) {
218			case DLG_PROGRESS:
219	torben	835
220	torben	237	ProgressDialog dlg = new ProgressDialog(this);
221			dlg.setCancelable(true);
222	torben	362	return dlg;
223	torben	237	default:
224			return super.onCreateDialog(id);
225			}
226			}
227	torben	982
228
229	torben	336
230	torben	982
231
232			@Override
233			public boolean onCreateOptionsMenu(Menu menu) {
234			MenuItem item;
235	torben	985
236			item = menu.add(0, MENU_MAP, 0, getString(R.string.departurelist_showonmap) );
237	torben	982	item.setIcon(android.R.drawable.ic_menu_mapmode);
238
239	torben	985	item = menu.add(0, MENU_NOTIFICATIONS, 0, getString(R.string.departurelist_notifications) );
240	torben	982	item.setIcon(android.R.drawable.ic_menu_info_details);
241
242
243			boolean notifEnabled = hasNotifications();
244			item.setEnabled(notifEnabled);
245
246
247			return true;
248			}
249
250			@Override
251			public boolean onOptionsItemSelected(MenuItem item) {
252			boolean res;
253			switch(item.getItemId()) {
254			case MENU_MAP:
255			Uri uri = Uri.parse("geo:" + station.getLatitude() + "," + station.getLongitude());
256			startActivity( new Intent(Intent.ACTION_VIEW, uri));
257			res = true;
258			break;
259			case MENU_NOTIFICATIONS:
260			Intent i = new Intent(this,dk.thoerup.traininfo.NotificationList.class);
261			i.putExtra(NotificationList.EXTRA_NOTIFICATIONS, departures.notifications);
262			startActivity(i);
263			res = true;
264			break;
265			default:
266			res = super.onOptionsItemSelected(item);
267			}
268			return res;
269			}
270
271	torben	336	void startDepartureFetcher() {
272			showDialog(DLG_PROGRESS);
273			fetcher = new DepartureFetcher();
274	torben	557	fetcher.execute(station.getId());
275	torben	336	}
276	torben	316
277	torben	237	class DialogDismisser implements View.OnClickListener {
278
279			Dialog dlg;
280			public DialogDismisser(Dialog d) {
281			dlg = d;
282			}
283
284			@Override
285			public void onClick(View v) {
286			if (dlg.isShowing())
287			dlg.dismiss();
288	torben	365	}
289			}
290	torben	238
291	torben	982	/*View.OnClickListener mapLauncher = new View.OnClickListener() {
292	torben	239	@Override
293	torben	557	public void onClick(View v) {
294			Uri uri = Uri.parse("geo:" + station.getLatitude() + "," + station.getLongitude());
295	torben	239	startActivity( new Intent(Intent.ACTION_VIEW, uri));
296			}
297	torben	982	};*/
298	torben	336
299
300	torben	238
301	torben	310	class DepartureFetcher extends AsyncTask<Integer, Void, Void> {
302	torben	238
303	torben	365
304	torben	238	@Override
305			protected void onPostExecute(Void result) {
306			super.onPostExecute(result);
307
308	torben	336
309	torben	238	pgDialog.dismiss();
310
311	torben	1007	if (departures != null) {
312	torben	1017	commFailCounter = 0;
313	torben	917	DepartureList.this.getListView().setVisibility(View.GONE); //Experimental, inspired by http://osdir.com/ml/Android-Developers/2010-04/msg01198.html
314	torben	981	adapter.setDepartures(departures.entries);
315	torben	917	DepartureList.this.getListView().setVisibility(View.VISIBLE);
316
317	torben	982
318			if ( hasNotifications() ) {
319			findViewById(R.id.notifIcon).setVisibility(View.VISIBLE);
320			}
321
322	torben	981	if (departures.entries.size() == 0) {
323	torben	906	MessageBox.showMessage(DepartureList.this, "No departures found", true);
324	torben	319	}
325			} else { // communication or parse error
326	torben	1017	commFailCounter++;
327	torben	336	AlertDialog.Builder builder = new AlertDialog.Builder(DepartureList.this);
328			builder.setMessage("Error finding departures");
329			builder.setCancelable(true);
330	torben	1017	if (commFailCounter < 3) {
331			builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
332			public void onClick(DialogInterface dialog, int id) {
333			dialog.dismiss();
334			startDepartureFetcher();
335
336			}
337			});
338			}
339	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
340	torben	336	public void onClick(DialogInterface dialog, int id) {
341			dialog.dismiss();
342	torben	843	DepartureList.this.finish();
343	torben	336	}
344	torben	630	});
345
346			try {
347			builder.show();
348			} catch (android.view.WindowManager.BadTokenException e) {
349			Log.i("DepartureList", "BadTokenException"); // this can happen if the user switched away from this activity, while doInBackground was running
350			}
351	torben	319	}
352	torben	238	}
353
354			@Override
355	torben	310	protected Void doInBackground(Integer... params) {
356	torben	1007	departures = provider.lookupDepartures(params[0], DepartureList.this.arrival);
357	torben	238	return null;
358			}
359
360			}
361	torben	237	}