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