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.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.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);
    }

        
        @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());
        }
        
        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();
                                        }                                                       
                                });
                                
                                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];
                        success = provider.lookupTimetable(type, trainID);
                        timetables = provider.getTimetable(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
10	torben	365	import java.util.ArrayList;
11			import java.util.List;
12
13			import android.app.AlertDialog;
14			import android.app.Dialog;
15	torben	839	import android.app.ListActivity;
16	torben	365	import android.app.ProgressDialog;
17			import android.content.DialogInterface;
18	torben	364	import android.content.Intent;
19	torben	365	import android.os.AsyncTask;
20	torben	362	import android.os.Bundle;
21	torben	630	import android.util.Log;
22	torben	362	import android.widget.TextView;
23	torben	365	import dk.thoerup.traininfo.provider.ProviderFactory;
24			import dk.thoerup.traininfo.provider.TimetableProvider;
25			import dk.thoerup.traininfo.util.MessageBox;
26	torben	362
27	torben	839	public class TimetableList extends ListActivity {
28	torben	364
29	torben	365	private static final int DLG_PROGRESS = 8000;
30	torben	364	DepartureBean departure;
31	torben	365	TimetableListAdapter adapter;
32			TimetableFetcher fetcher;
33			List<TimetableBean> timetables;
34	torben	364
35	torben	365	TimetableProvider provider;
36
37			@SuppressWarnings("unchecked")
38	torben	362	@Override
39			protected void onCreate(Bundle savedInstanceState) {
40			super.onCreate(savedInstanceState);
41			setContentView(R.layout.timetablelist);
42	torben	364
43	torben	365	provider = ProviderFactory.getTimetableProvider();
44
45	torben	839	adapter = new TimetableListAdapter(this);
46			setListAdapter(adapter);
47	torben	366
48	torben	839
49	torben	366
50	torben	364	Intent launchedBy = getIntent();
51			departure = (DepartureBean) launchedBy.getSerializableExtra("departure");
52
53			((TextView)findViewById(R.id.Train)).setText(departure.getTrainNumber());
54			((TextView)findViewById(R.id.Status)).setText(departure.getStatus());
55	torben	398	((TextView)findViewById(R.id.Location)).setText(departure.getLocation());
56	torben	364	((TextView)findViewById(R.id.Note)).setText(departure.getNote());
57	torben	563	((TextView)findViewById(R.id.Updated)).setText(departure.getLastUpdateString(this));
58	torben	366
59	torben	365
60			if (savedInstanceState == null) {
61			startTimetableFetcher();
62			} else {
63			timetables = (List<TimetableBean>) savedInstanceState.getSerializable("timetables");
64			adapter.setTimetable(timetables);
65			}
66	torben	362	}
67	torben	365
68	torben	839
69	torben	365	@Override
70			public void onSaveInstanceState(Bundle outState)
71			{
72			dismissDialog(DLG_PROGRESS);
73			outState.putSerializable("timetables", (ArrayList<TimetableBean>) timetables);
74			}
75	torben	364
76	torben	365
77			@Override
78			protected void onPrepareDialog(int id, Dialog dialog) {
79			super.onPrepareDialog(id, dialog);
80
81			switch (id) {
82			case DLG_PROGRESS:
83			//pgDialog = (ProgressDialog) dialog;
84			break;
85			}
86			}
87
88			@Override
89			protected Dialog onCreateDialog(int id) {
90			switch (id) {
91			case DLG_PROGRESS:
92	torben	561	ProgressDialog dlg = new ProgressDialog(this);
93			dlg.setMessage( getString(timetablelist_fetchdata) );
94	torben	365	dlg.setCancelable(true);
95			return dlg;
96			default:
97			return super.onCreateDialog(id);
98			}
99			}
100
101			void startTimetableFetcher() {
102			showDialog(DLG_PROGRESS);
103			fetcher = new TimetableFetcher();
104	torben	699	fetcher.execute(departure.getType(), departure.getTrainNumber());
105	torben	365	}
106
107			class TimetableFetcher extends AsyncTask<String,Void,Void> {
108
109			boolean success;
110
111			@Override
112			protected void onPostExecute(Void result) {
113			super.onPostExecute(result);
114			dismissDialog(DLG_PROGRESS);
115
116
117			if (success) {
118			adapter.setTimetable(timetables);
119			if (timetables.size() == 0) {
120	torben	561	MessageBox.showMessage(TimetableList.this, getString(timetablelist_nodata));
121	torben	365	}
122			} else { // communication or parse error
123			AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this);
124	torben	561	builder.setMessage(getString(timetablelist_fetcherror));
125	torben	365	builder.setCancelable(true);
126	torben	561	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
127	torben	365	public void onClick(DialogInterface dialog, int id) {
128			dialog.dismiss();
129			startTimetableFetcher();
130
131			}
132			});
133	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
134	torben	365	public void onClick(DialogInterface dialog, int id) {
135			dialog.dismiss();
136			}
137	torben	630	});
138
139			try {
140			builder.show();
141			} catch (android.view.WindowManager.BadTokenException e) {
142			Log.i("TimetableList", "BadTokenException"); // this can happen if the user switched away from this activity, while doInBackground was running
143			}
144
145	torben	365	}
146
147			}
148
149			@Override
150			protected Void doInBackground(String... arg0) {
151	torben	699	String type = arg0[0];
152			String trainID = arg0[1];
153			success = provider.lookupTimetable(type, trainID);
154			timetables = provider.getTimetable(type, trainID);
155	torben	365
156			return null;
157			}
158
159			}
160	torben	362	}