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);
                
                departureBtn.setOnClickListener( new OnClickListener() {
                        @Override
                        public void onClick(View arg0) {        
                                arrivalBtn.setBackgroundResource(R.drawable.custom_button);
                                departureBtn.setBackgroundResource(R.drawable.custom_button_hilight);
                                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);
                                arrival = true;                 
                                startDepartureFetcher();
                        }
                });
                
                
                // 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);
                }
                
        
                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);
                        
                } 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	294
77	torben	835	departureBtn.setOnClickListener( new OnClickListener() {
78			@Override
79			public void onClick(View arg0) {
80			arrivalBtn.setBackgroundResource(R.drawable.custom_button);
81			departureBtn.setBackgroundResource(R.drawable.custom_button_hilight);
82			arrival = false;
83			startDepartureFetcher();
84			}
85			});
86			arrivalBtn.setOnClickListener( new OnClickListener() {
87			@Override
88			public void onClick(View arg0) {
89			arrivalBtn.setBackgroundResource(R.drawable.custom_button_hilight);
90			departureBtn.setBackgroundResource(R.drawable.custom_button);
91			arrival = true;
92			startDepartureFetcher();
93			}
94			});
95
96
97
98
99	torben	982	// findViewById(R.id.header).setOnClickListener( mapLauncher );
100	torben	237
101	torben	557	int distance = station.getDistance();
102	torben	742	if (distance != 0) {
103			NumberFormat format = NumberFormat.getNumberInstance();
104			format.setMaximumFractionDigits(1);
105			format.setMinimumFractionDigits(1);
106	torben	575
107	torben	742	((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
108			} else {
109			((TextView) findViewById(R.id.stationDistance)).setVisibility(View.GONE);
110			}
111
112	torben	552
113	torben	557	if (station.isRegional() == false && station.isSTrain() == false) {
114	torben	552	getListView().setVisibility( View.GONE );
115			findViewById(R.id.metroonly).setVisibility( View.VISIBLE );
116	torben	835	departureBtn.setVisibility( View.GONE );
117			arrivalBtn.setVisibility(View.GONE);
118	torben	552
119	torben	257	} else {
120	torben	552	provider = ProviderFactory.getDepartureProvider();
121
122			if (savedInstanceState == null) {
123			startDepartureFetcher();
124			} else {
125	torben	981	departures = (DepartureBean) savedInstanceState.getSerializable("departures");
126	torben	990
127			if ( (departures != null) && (departures.entries != null) ) {
128			adapter.setDepartures(departures.entries);
129			}
130	torben	982	selectedItemId = savedInstanceState.getInt("selectedItemId");
131
132			if ( hasNotifications() ) {
133			findViewById(R.id.notifIcon).setVisibility(View.VISIBLE);
134			}
135
136	torben	552	}
137	torben	257	}
138	torben	237	}
139
140	torben	982	boolean hasNotifications() {
141			return (departures != null && departures.notifications.size() > 0);
142			}
143
144	torben	243	@Override
145			public void onSaveInstanceState(Bundle outState)
146			{
147	torben	257	if (pgDialog != null && pgDialog.isShowing())
148			dismissDialog(DLG_PROGRESS);
149	torben	362
150	torben	257	outState.putInt("selectedItemId", selectedItemId);
151
152	torben	981	outState.putSerializable("departures", departures);
153	torben	243	}
154	torben	918
155
156	torben	243
157	torben	237	@Override
158	torben	918	protected void onDestroy() {
159			super.onDestroy();
160
161			if (fetcher != null) {
162			fetcher.cancel(true);
163			}
164			}
165
166			@Override
167	torben	237	protected void onListItemClick(ListView l, View v, int position, long id) {
168			super.onListItemClick(l, v, position, id);
169	torben	362
170			selectedItemId = position;
171	torben	364
172	torben	981	DepartureEntry dep = departures.entries.get(selectedItemId);
173	torben	237
174	torben	362	Intent intent = new Intent(this, TimetableList.class);
175	torben	364	intent.putExtra("departure", dep);
176	torben	362
177			startActivity(intent);
178
179	torben	237	}
180
181
182			@Override
183			protected void onPrepareDialog(int id, Dialog dialog) {
184			super.onPrepareDialog(id, dialog);
185	torben	257
186	torben	237	switch (id) {
187			case DLG_PROGRESS:
188			pgDialog = (ProgressDialog) dialog;
189	torben	835	int messageId = arrival == false ? departurelist_fetchdepartures : departurelist_fetcharrivals;
190			pgDialog.setMessage( getString(messageId) );
191	torben	237	break;
192			}
193			}
194
195			@Override
196			protected Dialog onCreateDialog(int id) {
197			switch (id) {
198			case DLG_PROGRESS:
199	torben	835
200	torben	237	ProgressDialog dlg = new ProgressDialog(this);
201			dlg.setCancelable(true);
202	torben	362	return dlg;
203	torben	237	default:
204			return super.onCreateDialog(id);
205			}
206			}
207	torben	982
208
209	torben	336
210	torben	982
211
212			@Override
213			public boolean onCreateOptionsMenu(Menu menu) {
214			MenuItem item;
215	torben	985
216			item = menu.add(0, MENU_MAP, 0, getString(R.string.departurelist_showonmap) );
217	torben	982	item.setIcon(android.R.drawable.ic_menu_mapmode);
218
219	torben	985	item = menu.add(0, MENU_NOTIFICATIONS, 0, getString(R.string.departurelist_notifications) );
220	torben	982	item.setIcon(android.R.drawable.ic_menu_info_details);
221
222
223			boolean notifEnabled = hasNotifications();
224			item.setEnabled(notifEnabled);
225
226
227			return true;
228			}
229
230			@Override
231			public boolean onOptionsItemSelected(MenuItem item) {
232			boolean res;
233			switch(item.getItemId()) {
234			case MENU_MAP:
235			Uri uri = Uri.parse("geo:" + station.getLatitude() + "," + station.getLongitude());
236			startActivity( new Intent(Intent.ACTION_VIEW, uri));
237			res = true;
238			break;
239			case MENU_NOTIFICATIONS:
240			Intent i = new Intent(this,dk.thoerup.traininfo.NotificationList.class);
241			i.putExtra(NotificationList.EXTRA_NOTIFICATIONS, departures.notifications);
242			startActivity(i);
243			res = true;
244			break;
245			default:
246			res = super.onOptionsItemSelected(item);
247			}
248			return res;
249			}
250
251	torben	336	void startDepartureFetcher() {
252			showDialog(DLG_PROGRESS);
253			fetcher = new DepartureFetcher();
254	torben	557	fetcher.execute(station.getId());
255	torben	336	}
256	torben	316
257	torben	237	class DialogDismisser implements View.OnClickListener {
258
259			Dialog dlg;
260			public DialogDismisser(Dialog d) {
261			dlg = d;
262			}
263
264			@Override
265			public void onClick(View v) {
266			if (dlg.isShowing())
267			dlg.dismiss();
268	torben	365	}
269			}
270	torben	238
271	torben	982	/*View.OnClickListener mapLauncher = new View.OnClickListener() {
272	torben	239	@Override
273	torben	557	public void onClick(View v) {
274			Uri uri = Uri.parse("geo:" + station.getLatitude() + "," + station.getLongitude());
275	torben	239	startActivity( new Intent(Intent.ACTION_VIEW, uri));
276			}
277	torben	982	};*/
278	torben	336
279
280	torben	238
281	torben	310	class DepartureFetcher extends AsyncTask<Integer, Void, Void> {
282	torben	238
283	torben	365
284	torben	238	@Override
285			protected void onPostExecute(Void result) {
286			super.onPostExecute(result);
287
288	torben	336
289	torben	238	pgDialog.dismiss();
290
291	torben	1007	if (departures != null) {
292	torben	1017	commFailCounter = 0;
293	torben	917	DepartureList.this.getListView().setVisibility(View.GONE); //Experimental, inspired by http://osdir.com/ml/Android-Developers/2010-04/msg01198.html
294	torben	981	adapter.setDepartures(departures.entries);
295	torben	917	DepartureList.this.getListView().setVisibility(View.VISIBLE);
296
297	torben	982
298			if ( hasNotifications() ) {
299			findViewById(R.id.notifIcon).setVisibility(View.VISIBLE);
300			}
301
302	torben	981	if (departures.entries.size() == 0) {
303	torben	906	MessageBox.showMessage(DepartureList.this, "No departures found", true);
304	torben	319	}
305			} else { // communication or parse error
306	torben	1017	commFailCounter++;
307	torben	336	AlertDialog.Builder builder = new AlertDialog.Builder(DepartureList.this);
308			builder.setMessage("Error finding departures");
309			builder.setCancelable(true);
310	torben	1017	if (commFailCounter < 3) {
311			builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
312			public void onClick(DialogInterface dialog, int id) {
313			dialog.dismiss();
314			startDepartureFetcher();
315
316			}
317			});
318			}
319	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
320	torben	336	public void onClick(DialogInterface dialog, int id) {
321			dialog.dismiss();
322	torben	843	DepartureList.this.finish();
323	torben	336	}
324	torben	630	});
325
326			try {
327			builder.show();
328			} catch (android.view.WindowManager.BadTokenException e) {
329			Log.i("DepartureList", "BadTokenException"); // this can happen if the user switched away from this activity, while doInBackground was running
330			}
331	torben	319	}
332	torben	238	}
333
334			@Override
335	torben	310	protected Void doInBackground(Integer... params) {
336	torben	1007	departures = provider.lookupDepartures(params[0], DepartureList.this.arrival);
337	torben	238	return null;
338			}
339
340			}
341	torben	237	}