1 |
package dk.thoerup.traininfo; |
2 |
|
3 |
|
4 |
import static dk.thoerup.traininfo.R.string.generic_cancel; |
5 |
import static dk.thoerup.traininfo.R.string.generic_retry; |
6 |
import static dk.thoerup.traininfo.R.string.timetablelist_fetchdata; |
7 |
import static dk.thoerup.traininfo.R.string.timetablelist_fetcherror; |
8 |
import static dk.thoerup.traininfo.R.string.timetablelist_nodata; |
9 |
|
10 |
import java.util.ArrayList; |
11 |
import java.util.List; |
12 |
|
13 |
import android.app.AlertDialog; |
14 |
import android.app.Dialog; |
15 |
import android.app.ListActivity; |
16 |
import android.app.ProgressDialog; |
17 |
import android.content.DialogInterface; |
18 |
import android.content.Intent; |
19 |
import android.os.AsyncTask; |
20 |
import android.os.Bundle; |
21 |
import android.util.Log; |
22 |
import android.view.View; |
23 |
import android.widget.ListView; |
24 |
import android.widget.TextView; |
25 |
import dk.thoerup.traininfo.provider.ProviderFactory; |
26 |
import dk.thoerup.traininfo.provider.TimetableProvider; |
27 |
import dk.thoerup.traininfo.util.MessageBox; |
28 |
|
29 |
public class TimetableList extends ListActivity { |
30 |
|
31 |
private static final int DLG_PROGRESS = 8000; |
32 |
DepartureEntry departure; |
33 |
TimetableListAdapter adapter; |
34 |
TimetableFetcher fetcher; |
35 |
List<TimetableBean> timetables; |
36 |
|
37 |
TimetableProvider provider; |
38 |
|
39 |
@SuppressWarnings("unchecked") |
40 |
@Override |
41 |
protected void onCreate(Bundle savedInstanceState) { |
42 |
super.onCreate(savedInstanceState); |
43 |
setContentView(R.layout.timetablelist); |
44 |
|
45 |
provider = ProviderFactory.getTimetableProvider(); |
46 |
|
47 |
adapter = new TimetableListAdapter(this); |
48 |
setListAdapter(adapter); |
49 |
|
50 |
|
51 |
|
52 |
Intent launchedBy = getIntent(); |
53 |
departure = (DepartureEntry) launchedBy.getSerializableExtra("departure"); |
54 |
|
55 |
((TextView)findViewById(R.id.Train)).setText(departure.getTrainNumber()); |
56 |
((TextView)findViewById(R.id.Status)).setText(departure.getStatus()); |
57 |
((TextView)findViewById(R.id.Location)).setText(departure.getLocation()); |
58 |
((TextView)findViewById(R.id.Note)).setText(departure.getNote()); |
59 |
((TextView)findViewById(R.id.Updated)).setText(departure.getLastUpdateString(this)); |
60 |
|
61 |
|
62 |
if (savedInstanceState == null) { |
63 |
startTimetableFetcher(); |
64 |
} else { |
65 |
timetables = (List<TimetableBean>) savedInstanceState.getSerializable("timetables"); |
66 |
adapter.setTimetable(timetables); |
67 |
} |
68 |
} |
69 |
|
70 |
@Override |
71 |
protected void onDestroy() { |
72 |
super.onDestroy(); |
73 |
|
74 |
if (fetcher != null) { |
75 |
fetcher.cancel(true); |
76 |
} |
77 |
} |
78 |
|
79 |
@Override |
80 |
protected void onListItemClick(ListView l, View v, int position, long id) { |
81 |
super.onListItemClick(l, v, position, id); |
82 |
|
83 |
TimetableBean tt = timetables.get(position); |
84 |
|
85 |
StationBean station = new StationBean(); |
86 |
station.setName( tt.getStation() ); |
87 |
station.setId( tt.getStationId() ); |
88 |
station.setRegional(true); |
89 |
|
90 |
Intent intent = new Intent(this, DepartureList.class); |
91 |
intent.putExtra("stationbean", station); |
92 |
startActivity(intent); |
93 |
|
94 |
} |
95 |
|
96 |
|
97 |
|
98 |
@Override |
99 |
public void onSaveInstanceState(Bundle outState) |
100 |
{ |
101 |
dismissDialog(DLG_PROGRESS); |
102 |
outState.putSerializable("timetables", (ArrayList<TimetableBean>) timetables); |
103 |
} |
104 |
|
105 |
|
106 |
@Override |
107 |
protected void onPrepareDialog(int id, Dialog dialog) { |
108 |
super.onPrepareDialog(id, dialog); |
109 |
|
110 |
switch (id) { |
111 |
case DLG_PROGRESS: |
112 |
//pgDialog = (ProgressDialog) dialog; |
113 |
break; |
114 |
} |
115 |
} |
116 |
|
117 |
@Override |
118 |
protected Dialog onCreateDialog(int id) { |
119 |
switch (id) { |
120 |
case DLG_PROGRESS: |
121 |
ProgressDialog dlg = new ProgressDialog(this); |
122 |
dlg.setMessage( getString(timetablelist_fetchdata) ); |
123 |
dlg.setCancelable(true); |
124 |
return dlg; |
125 |
default: |
126 |
return super.onCreateDialog(id); |
127 |
} |
128 |
} |
129 |
|
130 |
void startTimetableFetcher() { |
131 |
showDialog(DLG_PROGRESS); |
132 |
fetcher = new TimetableFetcher(); |
133 |
fetcher.execute(departure.getType(), departure.getTrainNumber()); |
134 |
} |
135 |
|
136 |
class TimetableFetcher extends AsyncTask<String,Void,Void> { |
137 |
|
138 |
boolean success; |
139 |
|
140 |
@Override |
141 |
protected void onPostExecute(Void result) { |
142 |
super.onPostExecute(result); |
143 |
dismissDialog(DLG_PROGRESS); |
144 |
|
145 |
|
146 |
if (success) { |
147 |
TimetableList.this.getListView().invalidateViews(); |
148 |
adapter.setTimetable(timetables); |
149 |
if (timetables.size() == 0) { |
150 |
MessageBox.showMessage(TimetableList.this, getString(timetablelist_nodata), true); |
151 |
} |
152 |
} else { // communication or parse error |
153 |
AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this); |
154 |
builder.setMessage(getString(timetablelist_fetcherror)); |
155 |
builder.setCancelable(true); |
156 |
builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() { |
157 |
public void onClick(DialogInterface dialog, int id) { |
158 |
dialog.dismiss(); |
159 |
startTimetableFetcher(); |
160 |
|
161 |
} |
162 |
}); |
163 |
builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() { |
164 |
public void onClick(DialogInterface dialog, int id) { |
165 |
dialog.dismiss(); |
166 |
TimetableList.this.finish(); |
167 |
} |
168 |
}); |
169 |
|
170 |
try { |
171 |
builder.show(); |
172 |
} catch (android.view.WindowManager.BadTokenException e) { |
173 |
Log.i("TimetableList", "BadTokenException"); // this can happen if the user switched away from this activity, while doInBackground was running |
174 |
} |
175 |
|
176 |
} |
177 |
|
178 |
} |
179 |
|
180 |
@Override |
181 |
protected Void doInBackground(String... arg0) { |
182 |
String type = arg0[0]; |
183 |
String trainID = arg0[1]; |
184 |
success = provider.lookupTimetable(type, trainID); |
185 |
timetables = provider.getTimetable(type, trainID); |
186 |
|
187 |
return null; |
188 |
} |
189 |
|
190 |
} |
191 |
} |