thoerup/traininfo/DepartureList.java

package dk.thoerup.traininfo;

import java.text.NumberFormat;
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.net.Uri;
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 dk.thoerup.traininfo.provider.DepartureProvider;
import dk.thoerup.traininfo.provider.ProviderFactory;
import dk.thoerup.traininfo.util.MessageBox;
import static dk.thoerup.traininfo.R.string.*;

public class DepartureList extends ListActivity {

        public static final int DLG_PROGRESS = 1;
        
        
        DepartureListAdapter adapter;
        DepartureProvider provider;
        List<DepartureBean> departures;
        
        int selectedItemId;
        //DepartureBean currentDeparture;
        
        ProgressDialog pgDialog;
        
        DepartureFetcher fetcher;

        StationBean station;
        
        @SuppressWarnings("unchecked")
        @Override
        protected void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.departurelist);
                
                adapter = new DepartureListAdapter(this);
                setListAdapter(adapter);
                
                Intent launchedBy = getIntent();
        
                station = (StationBean) launchedBy.getSerializableExtra("stationbean");
                
                ((TextView) findViewById(R.id.stationName)).setText( station.getName() );


                ((TextView) findViewById(R.id.stationAddr)).setText( station.getAddress() );
                
                
                findViewById(R.id.header).setOnClickListener( mapLauncher );
                
                NumberFormat format = NumberFormat.getNumberInstance();
                format.setMaximumFractionDigits(1);
                format.setMinimumFractionDigits(1);
                

                int distance = station.getDistance();
                ((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
                
        
                if (station.isRegional() == false && station.isSTrain() == false) {
                        getListView().setVisibility( View.GONE );               
                        findViewById(R.id.metroonly).setVisibility( View.VISIBLE );
                        
                } else {
                        provider = ProviderFactory.getDepartureProvider();
                        
                        if (savedInstanceState == null) {
                                startDepartureFetcher();
                        } else {
                                departures = (List<DepartureBean>) savedInstanceState.getSerializable("departures");
                                adapter.setDepartures(departures);
                                selectedItemId = savedInstanceState.getInt("selectedItemId");   
                        }
                }
        }
        
    @Override 
    public void onSaveInstanceState(Bundle outState) 
    {
        if (pgDialog != null && pgDialog.isShowing())
                dismissDialog(DLG_PROGRESS);

        outState.putInt("selectedItemId", selectedItemId);
        
        outState.putSerializable("departures", (ArrayList<DepartureBean>) departures);
    }
        
        @Override
        protected void onListItemClick(ListView l, View v, int position, long id) {
                super.onListItemClick(l, v, position, id);
                
                selectedItemId = position;
                
                DepartureBean dep = departures.get(selectedItemId);
        
                Intent intent = new Intent(this, TimetableList.class);
                intent.putExtra("departure", dep);
                
                startActivity(intent);
                                
        }
        

        @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(departurelist_fetchdata) );
                        dlg.setCancelable(true);
                        return dlg;                     
                default:
                        return super.onCreateDialog(id);                
                }
        }

        void startDepartureFetcher() {
                showDialog(DLG_PROGRESS);
                fetcher = new DepartureFetcher(); 
                fetcher.execute(station.getId());
        }
        
        class DialogDismisser implements View.OnClickListener {

                Dialog dlg;
                public DialogDismisser(Dialog d) {
                        dlg = d;
                }
                
                @Override
                public void onClick(View v) {
                        if (dlg.isShowing())
                                dlg.dismiss();
                }       
        }
        
        View.OnClickListener mapLauncher = new View.OnClickListener() {
                @Override
                public void onClick(View v) {                   
                        Uri uri = Uri.parse("geo:" + station.getLatitude() + "," + station.getLongitude());
                        startActivity( new Intent(Intent.ACTION_VIEW, uri));
                }
        };


        class DepartureFetcher extends AsyncTask<Integer, Void, Void> {

                boolean success;

                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        
                        
                        pgDialog.dismiss();
                        
                        if (success) {
                                adapter.setDepartures(departures);
                                if (departures.size() == 0) {
                                        MessageBox.showMessage(DepartureList.this, "No departures found");
                                }
                        } else { // communication or parse error
                                AlertDialog.Builder builder = new AlertDialog.Builder(DepartureList.this);                                              
                                builder.setMessage("Error finding departures");
                                builder.setCancelable(true);
                                builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                                startDepartureFetcher();
                                                
                                        }
                                });
                                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("DepartureList", "BadTokenException"); // this can happen if the user switched away from this activity, while doInBackground was running
                                }                               
                        }
                }

                @Override
                protected Void doInBackground(Integer... params) {
                        success = provider.lookupDepartures(params[0]);
                        departures = provider.getDepartures(params[0]);
                        return null;
                }
                
        }
}
1	torben	237	package dk.thoerup.traininfo;
2
3			import java.text.NumberFormat;
4	torben	257	import java.util.ArrayList;
5	torben	237	import java.util.List;
6
7	torben	336	import android.app.AlertDialog;
8	torben	237	import android.app.Dialog;
9			import android.app.ListActivity;
10			import android.app.ProgressDialog;
11	torben	336	import android.content.DialogInterface;
12	torben	237	import android.content.Intent;
13	torben	239	import android.net.Uri;
14	torben	237	import android.os.AsyncTask;
15			import android.os.Bundle;
16	torben	630	import android.util.Log;
17	torben	237	import android.view.View;
18			import android.widget.ListView;
19			import android.widget.TextView;
20	torben	255	import dk.thoerup.traininfo.provider.DepartureProvider;
21	torben	253	import dk.thoerup.traininfo.provider.ProviderFactory;
22	torben	245	import dk.thoerup.traininfo.util.MessageBox;
23	torben	575	import static dk.thoerup.traininfo.R.string.*;
24	torben	237
25			public class DepartureList extends ListActivity {
26
27			public static final int DLG_PROGRESS = 1;
28
29	torben	362
30	torben	237	DepartureListAdapter adapter;
31			DepartureProvider provider;
32			List<DepartureBean> departures;
33
34	torben	257	int selectedItemId;
35			//DepartureBean currentDeparture;
36	torben	237
37			ProgressDialog pgDialog;
38	torben	362
39	torben	238	DepartureFetcher fetcher;
40	torben	557
41			StationBean station;
42	torben	238
43	torben	257	@SuppressWarnings("unchecked")
44	torben	237	@Override
45			protected void onCreate(Bundle savedInstanceState) {
46			super.onCreate(savedInstanceState);
47			setContentView(R.layout.departurelist);
48
49			adapter = new DepartureListAdapter(this);
50			setListAdapter(adapter);
51
52			Intent launchedBy = getIntent();
53	torben	557
54			station = (StationBean) launchedBy.getSerializableExtra("stationbean");
55	torben	239
56	torben	557	((TextView) findViewById(R.id.stationName)).setText( station.getName() );
57	torben	317
58	torben	557
59			((TextView) findViewById(R.id.stationAddr)).setText( station.getAddress() );
60	torben	237
61	torben	294
62	torben	239	findViewById(R.id.header).setOnClickListener( mapLauncher );
63	torben	237
64			NumberFormat format = NumberFormat.getNumberInstance();
65			format.setMaximumFractionDigits(1);
66			format.setMinimumFractionDigits(1);
67	torben	557
68
69			int distance = station.getDistance();
70	torben	237	((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
71	torben	575
72	torben	552
73	torben	557	if (station.isRegional() == false && station.isSTrain() == false) {
74	torben	552	getListView().setVisibility( View.GONE );
75			findViewById(R.id.metroonly).setVisibility( View.VISIBLE );
76
77	torben	257	} else {
78	torben	552	provider = ProviderFactory.getDepartureProvider();
79
80			if (savedInstanceState == null) {
81			startDepartureFetcher();
82			} else {
83			departures = (List<DepartureBean>) savedInstanceState.getSerializable("departures");
84			adapter.setDepartures(departures);
85			selectedItemId = savedInstanceState.getInt("selectedItemId");
86			}
87	torben	257	}
88	torben	237	}
89
90	torben	243	@Override
91			public void onSaveInstanceState(Bundle outState)
92			{
93	torben	257	if (pgDialog != null && pgDialog.isShowing())
94			dismissDialog(DLG_PROGRESS);
95	torben	362
96	torben	257	outState.putInt("selectedItemId", selectedItemId);
97
98			outState.putSerializable("departures", (ArrayList<DepartureBean>) departures);
99	torben	243	}
100
101	torben	237	@Override
102			protected void onListItemClick(ListView l, View v, int position, long id) {
103			super.onListItemClick(l, v, position, id);
104	torben	362
105			selectedItemId = position;
106	torben	364
107			DepartureBean dep = departures.get(selectedItemId);
108	torben	237
109	torben	362	Intent intent = new Intent(this, TimetableList.class);
110	torben	364	intent.putExtra("departure", dep);
111	torben	362
112			startActivity(intent);
113
114	torben	237	}
115
116
117			@Override
118			protected void onPrepareDialog(int id, Dialog dialog) {
119			super.onPrepareDialog(id, dialog);
120	torben	257
121	torben	237	switch (id) {
122			case DLG_PROGRESS:
123			pgDialog = (ProgressDialog) dialog;
124			break;
125			}
126			}
127
128			@Override
129			protected Dialog onCreateDialog(int id) {
130			switch (id) {
131			case DLG_PROGRESS:
132			ProgressDialog dlg = new ProgressDialog(this);
133	torben	561	dlg.setMessage( getString(departurelist_fetchdata) );
134	torben	237	dlg.setCancelable(true);
135	torben	362	return dlg;
136	torben	237	default:
137			return super.onCreateDialog(id);
138			}
139			}
140	torben	336
141			void startDepartureFetcher() {
142			showDialog(DLG_PROGRESS);
143			fetcher = new DepartureFetcher();
144	torben	557	fetcher.execute(station.getId());
145	torben	336	}
146	torben	316
147	torben	237	class DialogDismisser implements View.OnClickListener {
148
149			Dialog dlg;
150			public DialogDismisser(Dialog d) {
151			dlg = d;
152			}
153
154			@Override
155			public void onClick(View v) {
156			if (dlg.isShowing())
157			dlg.dismiss();
158	torben	365	}
159			}
160	torben	238
161	torben	239	View.OnClickListener mapLauncher = new View.OnClickListener() {
162			@Override
163	torben	557	public void onClick(View v) {
164			Uri uri = Uri.parse("geo:" + station.getLatitude() + "," + station.getLongitude());
165	torben	239	startActivity( new Intent(Intent.ACTION_VIEW, uri));
166			}
167			};
168	torben	336
169
170	torben	238
171	torben	310	class DepartureFetcher extends AsyncTask<Integer, Void, Void> {
172	torben	238
173	torben	319	boolean success;
174	torben	365
175	torben	238	@Override
176			protected void onPostExecute(Void result) {
177			super.onPostExecute(result);
178
179	torben	336
180	torben	238	pgDialog.dismiss();
181
182	torben	319	if (success) {
183	torben	336	adapter.setDepartures(departures);
184	torben	319	if (departures.size() == 0) {
185			MessageBox.showMessage(DepartureList.this, "No departures found");
186			}
187			} else { // communication or parse error
188	torben	336	AlertDialog.Builder builder = new AlertDialog.Builder(DepartureList.this);
189			builder.setMessage("Error finding departures");
190			builder.setCancelable(true);
191	torben	561	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
192	torben	336	public void onClick(DialogInterface dialog, int id) {
193			dialog.dismiss();
194			startDepartureFetcher();
195
196			}
197			});
198	torben	561	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
199	torben	336	public void onClick(DialogInterface dialog, int id) {
200			dialog.dismiss();
201			}
202	torben	630	});
203
204			try {
205			builder.show();
206			} catch (android.view.WindowManager.BadTokenException e) {
207			Log.i("DepartureList", "BadTokenException"); // this can happen if the user switched away from this activity, while doInBackground was running
208			}
209	torben	319	}
210	torben	238	}
211
212			@Override
213	torben	310	protected Void doInBackground(Integer... params) {
214	torben	319	success = provider.lookupDepartures(params[0]);
215			departures = provider.getDepartures(params[0]);
216	torben	238	return null;
217			}
218
219			}
220	torben	237	}