thoerup/traininfo/TimetableList.java

package dk.thoerup.traininfo;


import static dk.thoerup.traininfo.R.string.generic_cancel;
import static dk.thoerup.traininfo.R.string.generic_retry;
import static dk.thoerup.traininfo.R.string.timetablelist_fetchdata;
import static dk.thoerup.traininfo.R.string.timetablelist_fetcherror;
import static dk.thoerup.traininfo.R.string.timetablelist_nodata;

import java.util.regex.Pattern;

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.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import dk.thoerup.android.traininfo.common.DepartureEntry;
import dk.thoerup.android.traininfo.common.StationEntry;
import dk.thoerup.android.traininfo.common.TimetableBean;
import dk.thoerup.android.traininfo.common.TimetableEntry;
import dk.thoerup.traininfo.provider.ProviderFactory;
import dk.thoerup.traininfo.provider.TimetableProvider;
import dk.thoerup.traininfo.util.MessageBox;

public class TimetableList extends ListActivity {
        
        private static final int DLG_PROGRESS = 8000;
        DepartureEntry departure;
        TimetableListAdapter adapter;
        TimetableFetcher fetcher;
        TimetableBean timetables;
        int commFailCounter = 0;
        
        TimetableProvider provider; 


        @Override
        protected void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.timetablelist);
                
                provider = ProviderFactory.getTimetableProvider();
                
                adapter = new TimetableListAdapter(this);               
                setListAdapter(adapter);


                Intent launchedBy = getIntent();
                departure = (DepartureEntry) launchedBy.getSerializableExtra("departure");
                
                ((TextView)findViewById(R.id.Train)).setText(departure.getTrainNumber());
                                
                ((TextView)findViewById(R.id.Location)).setText(departure.getLocation());               
                ((TextView)findViewById(R.id.Updated)).setText( getLastUpdateString( departure.getUpdated() ));
                
                String status = departure.getStatus() != null ? departure.getStatus() : "";             
                if ( Pattern.matches("[0-9]+.+min", status) ) {
                        status += " " + this.getString(R.string.departurebean_delayed);
                }
                String note = departure.getNote() != null ? departure.getNote() : "";
                note = note.replace("Aflyst", this.getString(R.string.timetablelist_cancelled) );
                note = note.replace("Kører kun til", this.getString(R.string.timetablelist_goesonlyto) );
                note = note.replace("Afgår fra", this.getString(R.string.timetablelist_startsat) );
                note = note.replace("Erstattet af", this.getString(R.string.timetablelist_replacedby) );
                note = note.replace("Eksterne forhold", this.getString(R.string.timetablelist_externalconditions) );
                note = note.replace("Teknisk fejl på et signal", this.getString(R.string.timetablelist_technicalerroronsignal) );
                note = note.replace("Materielforhold", this.getString(R.string.timetablelist_equipmentrelated) );
                note = note.replace("Passagerforhold", this.getString(R.string.timetablelist_passengerrelated) );
                note = note.replace("Forventet rettidig afgang", this.getString(R.string.timetablelist_expectedtimelydeparture) );
                

                ((TextView)findViewById(R.id.Status)).setText(status);
                ((TextView)findViewById(R.id.Note)).setText(note);
                                                        
                
                ProviderFactory.purgeOldEntries(); //cleanup before fetching more data
                
                if (savedInstanceState == null) {
                        startTimetableFetcher();
                } else {
                        timetables = (TimetableBean) savedInstanceState.getSerializable("timetables");
                        adapter.setTimetable(timetables);
                }
        }

        @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);

                if (timetables == null || timetables.entries == null || timetables.entries.size() == 0) {
                        Toast.makeText(this, "No timetables in list !?", Toast.LENGTH_LONG).show(); //TODO Translate
                        return;
                }
                
                TimetableEntry tt = timetables.entries.get(position);
                                                
                
                Intent intent = new Intent(this, DepartureList.class);
                intent.putExtra("stationbean", tt.getStationEntry() );
                startActivity(intent);
                
        }
    

        @Override 
    public void onSaveInstanceState(Bundle outState) 
    {           
        dismissDialog(DLG_PROGRESS);
        outState.putSerializable("timetables", (TimetableBean) timetables);
    }

        
        @Override
        protected void onPrepareDialog(int id, Dialog dialog) {
                super.onPrepareDialog(id, dialog);
                
                switch (id) {
                case DLG_PROGRESS:
                        //pgDialog = (ProgressDialog) dialog;
                        break;
                }
        }
        
        @Override
        protected Dialog onCreateDialog(int id) {
                switch (id) {
                case DLG_PROGRESS:
                        ProgressDialog dlg = new ProgressDialog(this);                  
                        dlg.setMessage( getString(timetablelist_fetchdata) );
                        dlg.setCancelable(true);
                        return dlg;                     
                default:
                        return super.onCreateDialog(id);                
                }
        }

        void startTimetableFetcher() {
                showDialog(DLG_PROGRESS);
                fetcher = new TimetableFetcher(); 
                fetcher.execute(departure.getType(), departure.getTrainNumber());
        }
        
        
        public String getLastUpdateString(int lastUpdate) {
                String minutes = this.getString(R.string.departurebean_minutes);
                String unknown = this.getString(R.string.departurebean_unknown);
                switch (lastUpdate) {
                case 1:
                        return "<3 " + minutes;
                case 2:
                        return "3-10 " + minutes;
                case 3:
                        return ">3 " + minutes;
                case 4:
                        return unknown;
                default:
                        return "";
                }
        }

        
        class TimetableFetcher extends AsyncTask<String,Void,Void> {
                
                
                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        dismissDialog(DLG_PROGRESS);
        

                        if (timetables != null && timetables.errorCode == null) {
                                commFailCounter = 0;
                                TimetableList.this.getListView().invalidateViews();
                                adapter.setTimetable(timetables);
                                if (timetables.entries.size() == 0) {
                                        MessageBox.showMessage(TimetableList.this, getString(timetablelist_nodata), true);
                                }
                        } else { // communication or parse error
                                commFailCounter++;
                                AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this);                                              
                                
                                
                                if (timetables != null && timetables.errorCode != null ) { //got an error xml back
                                        commFailCounter = 10;                                   
                                        builder.setMessage( getString(R.string.no_backend) ); 
                                } else {
                                        builder.setMessage(getString(timetablelist_fetcherror));        
                                }
                                
                                builder.setCancelable(true);
                                if (commFailCounter < 3) {
                                        builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
                                                public void onClick(DialogInterface dialog, int id) {
                                                        dialog.dismiss();
                                                        startTimetableFetcher();
                                                        
                                                }
                                        });
                                }
                                builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                                TimetableList.this.finish();
                                        }                                                       
                                });
                                
                                try {
                                        builder.show();
                                } catch (android.view.WindowManager.BadTokenException e) {                                      
                                        Log.i("TimetableList", "BadTokenException"); // this can happen if the user switched away from this activity, while doInBackground was running
                                }
                                                                
                        }
                        
                }
                
                @Override
                protected Void doInBackground(String... arg0) {
                        String type = arg0[0];
                        String trainID = arg0[1];
                        timetables = provider.lookupTimetable(type, trainID);
                        
                        return null;
                }
                
        }
}
1	torben	362	package dk.thoerup.traininfo;
2
3	torben	365
4	torben	630	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	torben	1257
10			import java.util.regex.Pattern;
11
12	torben	365	import android.app.AlertDialog;
13			import android.app.Dialog;
14	torben	839	import android.app.ListActivity;
15	torben	365	import android.app.ProgressDialog;
16			import android.content.DialogInterface;
17	torben	364	import android.content.Intent;
18	torben	365	import android.os.AsyncTask;
19	torben	362	import android.os.Bundle;
20	torben	630	import android.util.Log;
21	torben	840	import android.view.View;
22			import android.widget.ListView;
23	torben	362	import android.widget.TextView;
24	torben	1488	import android.widget.Toast;
25	torben	1066	import dk.thoerup.android.traininfo.common.DepartureEntry;
26	torben	1408	import dk.thoerup.android.traininfo.common.StationEntry;
27	torben	1066	import dk.thoerup.android.traininfo.common.TimetableBean;
28			import dk.thoerup.android.traininfo.common.TimetableEntry;
29	torben	365	import dk.thoerup.traininfo.provider.ProviderFactory;
30			import dk.thoerup.traininfo.provider.TimetableProvider;
31			import dk.thoerup.traininfo.util.MessageBox;
32	torben	362
33	torben	839	public class TimetableList extends ListActivity {
34	torben	364
35	torben	365	private static final int DLG_PROGRESS = 8000;
36	torben	981	DepartureEntry departure;
37	torben	365	TimetableListAdapter adapter;
38			TimetableFetcher fetcher;
39	torben	1066	TimetableBean timetables;
40	torben	1017	int commFailCounter = 0;
41	torben	364
42	torben	365	TimetableProvider provider;
43
44	torben	1078
45	torben	362	@Override
46			protected void onCreate(Bundle savedInstanceState) {
47			super.onCreate(savedInstanceState);
48			setContentView(R.layout.timetablelist);
49	torben	364
50	torben	365	provider = ProviderFactory.getTimetableProvider();
51
52	torben	839	adapter = new TimetableListAdapter(this);
53			setListAdapter(adapter);
54	torben	366
55	torben	839
56	torben	366
57	torben	364	Intent launchedBy = getIntent();
58	torben	981	departure = (DepartureEntry) launchedBy.getSerializableExtra("departure");
59	torben	364
60			((TextView)findViewById(R.id.Train)).setText(departure.getTrainNumber());
61	torben	1257
62			((TextView)findViewById(R.id.Location)).setText(departure.getLocation());
63	torben	1066	((TextView)findViewById(R.id.Updated)).setText( getLastUpdateString( departure.getUpdated() ));
64	torben	1257
65			String status = departure.getStatus() != null ? departure.getStatus() : "";
66			if ( Pattern.matches("[0-9]+.+min", status) ) {
67			status += " " + this.getString(R.string.departurebean_delayed);
68			}
69			String note = departure.getNote() != null ? departure.getNote() : "";
70			note = note.replace("Aflyst", this.getString(R.string.timetablelist_cancelled) );
71			note = note.replace("Kører kun til", this.getString(R.string.timetablelist_goesonlyto) );
72	torben	1258	note = note.replace("Afgår fra", this.getString(R.string.timetablelist_startsat) );
73			note = note.replace("Erstattet af", this.getString(R.string.timetablelist_replacedby) );
74			note = note.replace("Eksterne forhold", this.getString(R.string.timetablelist_externalconditions) );
75			note = note.replace("Teknisk fejl på et signal", this.getString(R.string.timetablelist_technicalerroronsignal) );
76	torben	1266	note = note.replace("Materielforhold", this.getString(R.string.timetablelist_equipmentrelated) );
77			note = note.replace("Passagerforhold", this.getString(R.string.timetablelist_passengerrelated) );
78			note = note.replace("Forventet rettidig afgang", this.getString(R.string.timetablelist_expectedtimelydeparture) );
79	torben	1257
80	torben	1266
81	torben	1265
82	torben	1257	((TextView)findViewById(R.id.Status)).setText(status);
83			((TextView)findViewById(R.id.Note)).setText(note);
84	torben	1260
85	torben	1257
86	torben	1028	ProviderFactory.purgeOldEntries(); //cleanup before fetching more data
87	torben	365
88			if (savedInstanceState == null) {
89			startTimetableFetcher();
90			} else {
91	torben	1066	timetables = (TimetableBean) savedInstanceState.getSerializable("timetables");
92	torben	365	adapter.setTimetable(timetables);
93			}
94	torben	362	}
95	torben	918
96			@Override
97			protected void onDestroy() {
98			super.onDestroy();
99
100			if (fetcher != null) {
101			fetcher.cancel(true);
102			}
103			}
104	torben	365
105	torben	840	@Override
106			protected void onListItemClick(ListView l, View v, int position, long id) {
107			super.onListItemClick(l, v, position, id);
108
109	torben	1488	if (timetables == null \|\| timetables.entries == null \|\| timetables.entries.size() == 0) {
110			Toast.makeText(this, "No timetables in list !?", Toast.LENGTH_LONG).show(); //TODO Translate
111			return;
112			}
113
114	torben	1066	TimetableEntry tt = timetables.entries.get(position);
115	torben	1416
116	torben	840
117			Intent intent = new Intent(this, DepartureList.class);
118	torben	1416	intent.putExtra("stationbean", tt.getStationEntry() );
119	torben	840	startActivity(intent);
120
121			}
122
123
124
125			@Override
126	torben	365	public void onSaveInstanceState(Bundle outState)
127			{
128			dismissDialog(DLG_PROGRESS);
129	torben	1066	outState.putSerializable("timetables", (TimetableBean) timetables);
130	torben	365	}
131	torben	364
132	torben	365
133			@Override
134			protected void onPrepareDialog(int id, Dialog dialog) {
135			super.onPrepareDialog(id, dialog);
136
137			switch (id) {
138			case DLG_PROGRESS:
139			//pgDialog = (ProgressDialog) dialog;
140			break;
141			}
142			}
143
144			@Override
145			protected Dialog onCreateDialog(int id) {
146			switch (id) {
147			case DLG_PROGRESS:
148	torben	561	ProgressDialog dlg = new ProgressDialog(this);
149			dlg.setMessage( getString(timetablelist_fetchdata) );
150	torben	365	dlg.setCancelable(true);
151			return dlg;
152			default:
153			return super.onCreateDialog(id);
154			}
155			}
156
157			void startTimetableFetcher() {
158			showDialog(DLG_PROGRESS);
159			fetcher = new TimetableFetcher();
160	torben	699	fetcher.execute(departure.getType(), departure.getTrainNumber());
161	torben	365	}
162
163	torben	1066
164			public String getLastUpdateString(int lastUpdate) {
165			String minutes = this.getString(R.string.departurebean_minutes);
166			String unknown = this.getString(R.string.departurebean_unknown);
167			switch (lastUpdate) {
168			case 1:
169			return "<3 " + minutes;
170			case 2:
171			return "3-10 " + minutes;
172			case 3:
173			return ">3 " + minutes;
174			case 4:
175			return unknown;
176			default:
177			return "";
178			}
179			}
180
181
182	torben	365	class TimetableFetcher extends AsyncTask<String,Void,Void> {
183
184
185			@Override
186			protected void onPostExecute(Void result) {
187			super.onPostExecute(result);
188			dismissDialog(DLG_PROGRESS);
189
190	torben	1423
191	torben	1373	if (timetables != null && timetables.errorCode == null) {
192	torben	1017	commFailCounter = 0;
193	torben	917	TimetableList.this.getListView().invalidateViews();
194	torben	365	adapter.setTimetable(timetables);
195	torben	1066	if (timetables.entries.size() == 0) {
196	torben	906	MessageBox.showMessage(TimetableList.this, getString(timetablelist_nodata), true);
197	torben	365	}
198			} else { // communication or parse error
199	torben	1017	commFailCounter++;
200	torben	365	AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this);
201	torben	1373
202
203			if (timetables != null && timetables.errorCode != null ) { //got an error xml back
204			commFailCounter = 10;
205			builder.setMessage( getString(R.string.no_backend) );
206			} else {
207			builder.setMessage(getString(timetablelist_fetcherror));
208			}
209
210	torben	365	builder.setCancelable(true);
211	torben	1017	if (commFailCounter < 3) {
212			builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
213			public void onClick(DialogInterface dialog, int id) {
214			dialog.dismiss();
215			startTimetableFetcher();
216
217			}
218			});
219			}
220	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
221	torben	365	public void onClick(DialogInterface dialog, int id) {
222			dialog.dismiss();
223	torben	843	TimetableList.this.finish();
224	torben	365	}
225	torben	630	});
226
227			try {
228			builder.show();
229			} catch (android.view.WindowManager.BadTokenException e) {
230			Log.i("TimetableList", "BadTokenException"); // this can happen if the user switched away from this activity, while doInBackground was running
231			}
232
233	torben	365	}
234
235			}
236
237			@Override
238			protected Void doInBackground(String... arg0) {
239	torben	699	String type = arg0[0];
240			String trainID = arg0[1];
241	torben	1007	timetables = provider.lookupTimetable(type, trainID);
242	torben	365
243			return null;
244			}
245
246			}
247	torben	362	}