thoerup/traininfo/TimetableList.java

package dk.thoerup.traininfo;


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

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.widget.ListView;
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 Activity {
        
        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);
                
                ListView lv = (ListView) findViewById(R.id.List);
                lv.setAdapter(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.Location)).setText(departure.getLocation());
                ((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(trainID);
                        
                        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	torben	366	import android.app.Activity;
8	torben	365	import android.app.AlertDialog;
9			import android.app.Dialog;
10			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	366	import android.widget.ListView;
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	torben	366	public class TimetableList extends Activity {
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
41	torben	366	ListView lv = (ListView) findViewById(R.id.List);
42			lv.setAdapter(adapter);
43
44
45	torben	364	Intent launchedBy = getIntent();
46			departure = (DepartureBean) launchedBy.getSerializableExtra("departure");
47
48			((TextView)findViewById(R.id.Train)).setText(departure.getTrainNumber());
49			((TextView)findViewById(R.id.Status)).setText(departure.getStatus());
50	torben	398	((TextView)findViewById(R.id.Location)).setText(departure.getLocation());
51	torben	364	((TextView)findViewById(R.id.Note)).setText(departure.getNote());
52			((TextView)findViewById(R.id.Updated)).setText(departure.getLastUpdateString());
53	torben	366
54	torben	365
55			if (savedInstanceState == null) {
56			startTimetableFetcher();
57			} else {
58			timetables = (List<TimetableBean>) savedInstanceState.getSerializable("timetables");
59			adapter.setTimetable(timetables);
60			}
61	torben	362	}
62	torben	365
63			@Override
64			public void onSaveInstanceState(Bundle outState)
65			{
66			dismissDialog(DLG_PROGRESS);
67			outState.putSerializable("timetables", (ArrayList<TimetableBean>) timetables);
68			}
69	torben	364
70			/* case DLG_DETAILS:
71	torben	362	DepartureBean currentDeparture = departures.get(selectedItemId);
72			((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
73			((TextView)dialog.findViewById(R.id.Train)).setText(currentDeparture.getTrainNumber());
74			((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
75			((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
76			((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
77			((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
78			((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
79			((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
80			detailsDialog = dialog;
81			break;
82
83			*/
84	torben	365
85			@Override
86			protected void onPrepareDialog(int id, Dialog dialog) {
87			super.onPrepareDialog(id, dialog);
88
89			switch (id) {
90			case DLG_PROGRESS:
91			//pgDialog = (ProgressDialog) dialog;
92			break;
93			}
94			}
95
96			@Override
97			protected Dialog onCreateDialog(int id) {
98			switch (id) {
99			case DLG_PROGRESS:
100			ProgressDialog dlg = new ProgressDialog(this);
101			dlg.setMessage("Fetch timetable data");
102			dlg.setCancelable(true);
103			return dlg;
104			default:
105			return super.onCreateDialog(id);
106			}
107			}
108
109			void startTimetableFetcher() {
110			showDialog(DLG_PROGRESS);
111			fetcher = new TimetableFetcher();
112			fetcher.execute(departure.getTrainNumber());
113			}
114
115			class TimetableFetcher extends AsyncTask<String,Void,Void> {
116
117			boolean success;
118
119			@Override
120			protected void onPostExecute(Void result) {
121			super.onPostExecute(result);
122			dismissDialog(DLG_PROGRESS);
123
124
125			if (success) {
126			adapter.setTimetable(timetables);
127			if (timetables.size() == 0) {
128			MessageBox.showMessage(TimetableList.this, "No timetable found");
129			}
130			} else { // communication or parse error
131			AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this);
132			builder.setMessage("Error finding departures");
133			builder.setCancelable(true);
134			builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
135			public void onClick(DialogInterface dialog, int id) {
136			dialog.dismiss();
137			startTimetableFetcher();
138
139			}
140			});
141			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
142			public void onClick(DialogInterface dialog, int id) {
143			dialog.dismiss();
144			}
145			});
146			builder.show();
147			}
148
149			}
150
151			@Override
152			protected Void doInBackground(String... arg0) {
153			String trainID = arg0[0];
154			success = provider.lookupTimetable(trainID);
155	torben	391	timetables = provider.getTimetable(trainID);
156	torben	365
157			return null;
158			}
159
160			}
161	torben	362	}