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	package dk.thoerup.traininfo;
2
3	import java.text.NumberFormat;
4	import java.util.ArrayList;
5	import java.util.List;
6
7	import android.app.AlertDialog;
8	import android.app.Dialog;
9	import android.app.ListActivity;
10	import android.app.ProgressDialog;
11	import android.content.DialogInterface;
12	import android.content.Intent;
13	import android.net.Uri;
14	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	import dk.thoerup.traininfo.provider.DepartureProvider;
20	import dk.thoerup.traininfo.provider.ProviderFactory;
21	import dk.thoerup.traininfo.util.MessageBox;
22	import static dk.thoerup.traininfo.R.string.*;
23
24	public class DepartureList extends ListActivity {
25
26	public static final int DLG_PROGRESS = 1;
27
28
29	DepartureListAdapter adapter;
30	DepartureProvider provider;
31	List<DepartureBean> departures;
32
33	int selectedItemId;
34	//DepartureBean currentDeparture;
35
36	ProgressDialog pgDialog;
37
38	DepartureFetcher fetcher;
39
40	StationBean station;
41
42	@SuppressWarnings("unchecked")
43	@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
53	station = (StationBean) launchedBy.getSerializableExtra("stationbean");
54
55	((TextView) findViewById(R.id.stationName)).setText( station.getName() );
56
57
58	((TextView) findViewById(R.id.stationAddr)).setText( station.getAddress() );
59
60
61	findViewById(R.id.header).setOnClickListener( mapLauncher );
62
63	NumberFormat format = NumberFormat.getNumberInstance();
64	format.setMaximumFractionDigits(1);
65	format.setMinimumFractionDigits(1);
66
67
68	int distance = station.getDistance();
69	((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
70
71
72	if (station.isRegional() == false && station.isSTrain() == false) {
73	getListView().setVisibility( View.GONE );
74	findViewById(R.id.metroonly).setVisibility( View.VISIBLE );
75
76	} else {
77	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	}
87	}
88
89	@Override
90	public void onSaveInstanceState(Bundle outState)
91	{
92	if (pgDialog != null && pgDialog.isShowing())
93	dismissDialog(DLG_PROGRESS);
94
95	outState.putInt("selectedItemId", selectedItemId);
96
97	outState.putSerializable("departures", (ArrayList<DepartureBean>) departures);
98	}
99
100	@Override
101	protected void onListItemClick(ListView l, View v, int position, long id) {
102	super.onListItemClick(l, v, position, id);
103
104	selectedItemId = position;
105
106	DepartureBean dep = departures.get(selectedItemId);
107
108	Intent intent = new Intent(this, TimetableList.class);
109	intent.putExtra("departure", dep);
110
111	startActivity(intent);
112
113	}
114
115
116	@Override
117	protected void onPrepareDialog(int id, Dialog dialog) {
118	super.onPrepareDialog(id, dialog);
119
120	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	dlg.setMessage( getString(departurelist_fetchdata) );
133	dlg.setCancelable(true);
134	return dlg;
135	default:
136	return super.onCreateDialog(id);
137	}
138	}
139
140	void startDepartureFetcher() {
141	showDialog(DLG_PROGRESS);
142	fetcher = new DepartureFetcher();
143	fetcher.execute(station.getId());
144	}
145
146	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	}
158	}
159
160	View.OnClickListener mapLauncher = new View.OnClickListener() {
161	@Override
162	public void onClick(View v) {
163	Uri uri = Uri.parse("geo:" + station.getLatitude() + "," + station.getLongitude());
164	startActivity( new Intent(Intent.ACTION_VIEW, uri));
165	}
166	};
167
168
169
170	class DepartureFetcher extends AsyncTask<Integer, Void, Void> {
171
172	boolean success;
173
174	@Override
175	protected void onPostExecute(Void result) {
176	super.onPostExecute(result);
177
178
179	pgDialog.dismiss();
180
181	if (success) {
182	adapter.setDepartures(departures);
183	if (departures.size() == 0) {
184	MessageBox.showMessage(DepartureList.this, "No departures found");
185	}
186	} else { // communication or parse error
187	AlertDialog.Builder builder = new AlertDialog.Builder(DepartureList.this);
188	builder.setMessage("Error finding departures");
189	builder.setCancelable(true);
190	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
191	public void onClick(DialogInterface dialog, int id) {
192	dialog.dismiss();
193	startDepartureFetcher();
194
195	}
196	});
197	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
198	public void onClick(DialogInterface dialog, int id) {
199	dialog.dismiss();
200	}
201	});
202	builder.show();
203	}
204	}
205
206	@Override
207	protected Void doInBackground(Integer... params) {
208	success = provider.lookupDepartures(params[0]);
209	departures = provider.getDepartures(params[0]);
210	return null;
211	}
212
213	}
214	}