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.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;

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("Fetch departure data");
                        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("Retry", new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                                startDepartureFetcher();
                                                
                                        }
                                });
                                builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                        }                                                       
                                });                                                                                             
                                builder.show();                         
                        }
                }

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