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;
        

        @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");
                                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, "Show on map");
                item.setIcon(android.R.drawable.ic_menu_mapmode);
                
                item = menu.add(0, MENU_NOTIFICATIONS, 0, "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> {

                boolean success;

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