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