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;
import static dk.thoerup.traininfo.R.string.*;

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(this));
                                                
                
                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( getString(timetablelist_fetchdata) );
                        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, getString(timetablelist_nodata));
                                }
                        } else { // communication or parse error
                                AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this);                                              
                                builder.setMessage(getString(timetablelist_fetcherror));
                                builder.setCancelable(true);
                                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();
                                        }                                                       
                                });                                                                                             
                                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	561	import static dk.thoerup.traininfo.R.string.*;
21	torben	362
22	torben	366	public class TimetableList extends Activity {
23	torben	364
24	torben	365	private static final int DLG_PROGRESS = 8000;
25	torben	364	DepartureBean departure;
26	torben	365	TimetableListAdapter adapter;
27			TimetableFetcher fetcher;
28			List<TimetableBean> timetables;
29	torben	364
30	torben	365	TimetableProvider provider;
31
32			@SuppressWarnings("unchecked")
33	torben	362	@Override
34			protected void onCreate(Bundle savedInstanceState) {
35			super.onCreate(savedInstanceState);
36			setContentView(R.layout.timetablelist);
37	torben	364
38	torben	365	provider = ProviderFactory.getTimetableProvider();
39
40			adapter = new TimetableListAdapter(this);
41
42	torben	366	ListView lv = (ListView) findViewById(R.id.List);
43			lv.setAdapter(adapter);
44
45
46	torben	364	Intent launchedBy = getIntent();
47			departure = (DepartureBean) launchedBy.getSerializableExtra("departure");
48
49			((TextView)findViewById(R.id.Train)).setText(departure.getTrainNumber());
50			((TextView)findViewById(R.id.Status)).setText(departure.getStatus());
51	torben	398	((TextView)findViewById(R.id.Location)).setText(departure.getLocation());
52	torben	364	((TextView)findViewById(R.id.Note)).setText(departure.getNote());
53	torben	563	((TextView)findViewById(R.id.Updated)).setText(departure.getLastUpdateString(this));
54	torben	366
55	torben	365
56			if (savedInstanceState == null) {
57			startTimetableFetcher();
58			} else {
59			timetables = (List<TimetableBean>) savedInstanceState.getSerializable("timetables");
60			adapter.setTimetable(timetables);
61			}
62	torben	362	}
63	torben	365
64			@Override
65			public void onSaveInstanceState(Bundle outState)
66			{
67			dismissDialog(DLG_PROGRESS);
68			outState.putSerializable("timetables", (ArrayList<TimetableBean>) timetables);
69			}
70	torben	364
71			/* case DLG_DETAILS:
72	torben	362	DepartureBean currentDeparture = departures.get(selectedItemId);
73			((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
74			((TextView)dialog.findViewById(R.id.Train)).setText(currentDeparture.getTrainNumber());
75			((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
76			((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
77			((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
78			((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
79			((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
80			((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
81			detailsDialog = dialog;
82			break;
83
84			*/
85	torben	365
86			@Override
87			protected void onPrepareDialog(int id, Dialog dialog) {
88			super.onPrepareDialog(id, dialog);
89
90			switch (id) {
91			case DLG_PROGRESS:
92			//pgDialog = (ProgressDialog) dialog;
93			break;
94			}
95			}
96
97			@Override
98			protected Dialog onCreateDialog(int id) {
99			switch (id) {
100			case DLG_PROGRESS:
101	torben	561	ProgressDialog dlg = new ProgressDialog(this);
102			dlg.setMessage( getString(timetablelist_fetchdata) );
103	torben	365	dlg.setCancelable(true);
104			return dlg;
105			default:
106			return super.onCreateDialog(id);
107			}
108			}
109
110			void startTimetableFetcher() {
111			showDialog(DLG_PROGRESS);
112			fetcher = new TimetableFetcher();
113			fetcher.execute(departure.getTrainNumber());
114			}
115
116			class TimetableFetcher extends AsyncTask<String,Void,Void> {
117
118			boolean success;
119
120			@Override
121			protected void onPostExecute(Void result) {
122			super.onPostExecute(result);
123			dismissDialog(DLG_PROGRESS);
124
125
126			if (success) {
127			adapter.setTimetable(timetables);
128			if (timetables.size() == 0) {
129	torben	561	MessageBox.showMessage(TimetableList.this, getString(timetablelist_nodata));
130	torben	365	}
131			} else { // communication or parse error
132			AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this);
133	torben	561	builder.setMessage(getString(timetablelist_fetcherror));
134	torben	365	builder.setCancelable(true);
135	torben	561	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
136	torben	365	public void onClick(DialogInterface dialog, int id) {
137			dialog.dismiss();
138			startTimetableFetcher();
139
140			}
141			});
142	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
143	torben	365	public void onClick(DialogInterface dialog, int id) {
144			dialog.dismiss();
145			}
146			});
147			builder.show();
148			}
149
150			}
151
152			@Override
153			protected Void doInBackground(String... arg0) {
154			String trainID = arg0[0];
155			success = provider.lookupTimetable(trainID);
156	torben	391	timetables = provider.getTimetable(trainID);
157	torben	365
158			return null;
159			}
160
161			}
162	torben	362	}