thoerup/traininfo/DepartureList.java

package dk.thoerup.traininfo;

import static dk.thoerup.traininfo.R.string.departurelist_fetchdata;
import static dk.thoerup.traininfo.R.string.generic_cancel;
import static dk.thoerup.traininfo.R.string.generic_retry;

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;

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