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