thoerup/traininfo/TimetableList.java

package dk.thoerup.traininfo;


import java.util.ArrayList;
import java.util.List;

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.widget.TextView;
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;
        DepartureBean departure;
        TimetableListAdapter adapter;
        TimetableFetcher fetcher;
        List<TimetableBean> timetables;
        
        TimetableProvider provider; 

        @SuppressWarnings("unchecked")
        @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 = (DepartureBean) launchedBy.getSerializableExtra("departure");
                
                ((TextView)findViewById(R.id.Train)).setText(departure.getTrainNumber());
                ((TextView)findViewById(R.id.Status)).setText(departure.getStatus());
                ((TextView)findViewById(R.id.Note)).setText(departure.getNote());
                ((TextView)findViewById(R.id.Updated)).setText(departure.getLastUpdateString());
                
                
                if (savedInstanceState == null) {
                        startTimetableFetcher();
                } else {
                        timetables = (List<TimetableBean>) savedInstanceState.getSerializable("timetables");
                        adapter.setTimetable(timetables);
                }
        }
        
    @Override 
    public void onSaveInstanceState(Bundle outState) 
    {           
        dismissDialog(DLG_PROGRESS);
        outState.putSerializable("timetables", (ArrayList<TimetableBean>) timetables);
    }

/*              case DLG_DETAILS:
                        DepartureBean currentDeparture = departures.get(selectedItemId);
                        ((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
                        ((TextView)dialog.findViewById(R.id.Train)).setText(currentDeparture.getTrainNumber());
                        ((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
                        ((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
                        ((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
                        ((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
                        ((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
                        ((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
                        detailsDialog = dialog;
                        break;

 */
        
        @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("Fetch timetable data");
                        dlg.setCancelable(true);
                        return dlg;                     
                default:
                        return super.onCreateDialog(id);                
                }
        }

        void startTimetableFetcher() {
                showDialog(DLG_PROGRESS);
                fetcher = new TimetableFetcher(); 
                fetcher.execute(departure.getTrainNumber());
        }
        
        class TimetableFetcher extends AsyncTask<String,Void,Void> {
                
                boolean success;
                
                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        dismissDialog(DLG_PROGRESS);
        
                        
                        if (success) {
                                adapter.setTimetable(timetables);
                                if (timetables.size() == 0) {
                                        MessageBox.showMessage(TimetableList.this, "No timetable found");
                                }
                        } else { // communication or parse error
                                AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this);                                              
                                builder.setMessage("Error finding departures");
                                builder.setCancelable(true);
                                builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                                startTimetableFetcher();
                                                
                                        }
                                });
                                builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                        }                                                       
                                });                                                                                             
                                builder.show();                         
                        }
                        
                }
                
                @Override
                protected Void doInBackground(String... arg0) {
                        String trainID = arg0[0];
                        success = provider.lookupTimetable(trainID);
                        timetables = provider.getTimetable();
                        
                        return null;
                }
                
        }
}
1	torben	362	package dk.thoerup.traininfo;
2
3	torben	365
4			import java.util.ArrayList;
5			import java.util.List;
6
7			import android.app.AlertDialog;
8			import android.app.Dialog;
9	torben	362	import android.app.ListActivity;
10	torben	365	import android.app.ProgressDialog;
11			import android.content.DialogInterface;
12	torben	364	import android.content.Intent;
13	torben	365	import android.os.AsyncTask;
14	torben	362	import android.os.Bundle;
15	torben	365	import android.util.Log;
16	torben	362	import android.widget.TextView;
17	torben	365	import dk.thoerup.traininfo.provider.ProviderFactory;
18			import dk.thoerup.traininfo.provider.TimetableProvider;
19			import dk.thoerup.traininfo.util.MessageBox;
20	torben	362
21			public class TimetableList extends ListActivity {
22	torben	364
23	torben	365	private static final int DLG_PROGRESS = 8000;
24	torben	364	DepartureBean departure;
25	torben	365	TimetableListAdapter adapter;
26			TimetableFetcher fetcher;
27			List<TimetableBean> timetables;
28	torben	364
29	torben	365	TimetableProvider provider;
30
31			@SuppressWarnings("unchecked")
32	torben	362	@Override
33			protected void onCreate(Bundle savedInstanceState) {
34			super.onCreate(savedInstanceState);
35			setContentView(R.layout.timetablelist);
36	torben	364
37	torben	365	provider = ProviderFactory.getTimetableProvider();
38
39			adapter = new TimetableListAdapter(this);
40			setListAdapter(adapter);
41
42	torben	364	Intent launchedBy = getIntent();
43			departure = (DepartureBean) launchedBy.getSerializableExtra("departure");
44
45			((TextView)findViewById(R.id.Train)).setText(departure.getTrainNumber());
46			((TextView)findViewById(R.id.Status)).setText(departure.getStatus());
47			((TextView)findViewById(R.id.Note)).setText(departure.getNote());
48			((TextView)findViewById(R.id.Updated)).setText(departure.getLastUpdateString());
49	torben	365
50
51			if (savedInstanceState == null) {
52			startTimetableFetcher();
53			} else {
54			timetables = (List<TimetableBean>) savedInstanceState.getSerializable("timetables");
55			adapter.setTimetable(timetables);
56			}
57	torben	362	}
58	torben	365
59			@Override
60			public void onSaveInstanceState(Bundle outState)
61			{
62			dismissDialog(DLG_PROGRESS);
63			outState.putSerializable("timetables", (ArrayList<TimetableBean>) timetables);
64			}
65	torben	364
66			/* case DLG_DETAILS:
67	torben	362	DepartureBean currentDeparture = departures.get(selectedItemId);
68			((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
69			((TextView)dialog.findViewById(R.id.Train)).setText(currentDeparture.getTrainNumber());
70			((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
71			((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
72			((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
73			((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
74			((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
75			((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
76			detailsDialog = dialog;
77			break;
78
79			*/
80	torben	365
81			@Override
82			protected void onPrepareDialog(int id, Dialog dialog) {
83			super.onPrepareDialog(id, dialog);
84
85			switch (id) {
86			case DLG_PROGRESS:
87			//pgDialog = (ProgressDialog) dialog;
88			break;
89			}
90			}
91
92			@Override
93			protected Dialog onCreateDialog(int id) {
94			switch (id) {
95			case DLG_PROGRESS:
96			ProgressDialog dlg = new ProgressDialog(this);
97			dlg.setMessage("Fetch timetable data");
98			dlg.setCancelable(true);
99			return dlg;
100			default:
101			return super.onCreateDialog(id);
102			}
103			}
104
105			void startTimetableFetcher() {
106			showDialog(DLG_PROGRESS);
107			fetcher = new TimetableFetcher();
108			fetcher.execute(departure.getTrainNumber());
109			}
110
111			class TimetableFetcher extends AsyncTask<String,Void,Void> {
112
113			boolean success;
114
115			@Override
116			protected void onPostExecute(Void result) {
117			super.onPostExecute(result);
118			dismissDialog(DLG_PROGRESS);
119
120
121			if (success) {
122			adapter.setTimetable(timetables);
123			if (timetables.size() == 0) {
124			MessageBox.showMessage(TimetableList.this, "No timetable found");
125			}
126			} else { // communication or parse error
127			AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this);
128			builder.setMessage("Error finding departures");
129			builder.setCancelable(true);
130			builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
131			public void onClick(DialogInterface dialog, int id) {
132			dialog.dismiss();
133			startTimetableFetcher();
134
135			}
136			});
137			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
138			public void onClick(DialogInterface dialog, int id) {
139			dialog.dismiss();
140			}
141			});
142			builder.show();
143			}
144
145			}
146
147			@Override
148			protected Void doInBackground(String... arg0) {
149			String trainID = arg0[0];
150			success = provider.lookupTimetable(trainID);
151			timetables = provider.getTimetable();
152
153			return null;
154			}
155
156			}
157	torben	362	}