thoerup/traininfo/DepartureList.java

package dk.thoerup.traininfo;

import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

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.location.Address;
import android.location.Geocoder;
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;
        public static final int DLG_DETAILS = 2;
        
        DepartureListAdapter adapter;
        DepartureProvider provider;
        List<DepartureBean> departures;
        
        int selectedItemId;
        //DepartureBean currentDeparture;
        
        ProgressDialog pgDialog;
        Dialog detailsDialog;
        DepartureFetcher fetcher;
        int stationId;
        
        double latitude,longitude;
        
        @SuppressWarnings("unchecked")
        @Override
        protected void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.departurelist);
                
                adapter = new DepartureListAdapter(this);
                setListAdapter(adapter);
                
                Intent launchedBy = getIntent();
                
                latitude = launchedBy.getDoubleExtra("latitude", 0.0);
                longitude = launchedBy.getDoubleExtra("longitude", 0.0);
                
                String name = launchedBy.getStringExtra("name");
                ((TextView) findViewById(R.id.stationName)).setText( name );

                String address = launchedBy.getStringExtra("address");
                ((TextView) findViewById(R.id.stationAddr)).setText( address );
                
                stationId = launchedBy.getIntExtra("stationid", -1); 
                
                findViewById(R.id.header).setOnClickListener( mapLauncher );
                
                NumberFormat format = NumberFormat.getNumberInstance();
                format.setMaximumFractionDigits(1);
                format.setMinimumFractionDigits(1);
                int distance = launchedBy.getIntExtra("distance", 0);
                ((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
        
                
                provider = ProviderFactory.getDepartureProvider();
                
                if (savedInstanceState == null) {
                        startDepartureFetcher();
                } else {
                        departures = (List<DepartureBean>) savedInstanceState.getSerializable("departures");
                        adapter.setDepartures(departures);
                        selectedItemId = savedInstanceState.getInt("selectedItemId");   
                        boolean detailsShowing = savedInstanceState.getBoolean("detailsShowing");
                        if (detailsShowing)
                                showDialog(DLG_DETAILS);
                }
        }
        
    @Override 
    public void onSaveInstanceState(Bundle outState) 
    {
        if (pgDialog != null && pgDialog.isShowing())
                dismissDialog(DLG_PROGRESS);
        boolean detailsShowing = (detailsDialog != null && detailsDialog.isShowing()); 
        if (detailsShowing) {
                dismissDialog(DLG_DETAILS);
        }
        outState.putBoolean("detailsShowing", detailsShowing);
        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;              
                showDialog(DLG_DETAILS);                
        }
        

        @Override
        protected void onPrepareDialog(int id, Dialog dialog) {
                super.onPrepareDialog(id, dialog);
                
                switch (id) {
                case DLG_DETAILS:
                        DepartureBean currentDeparture = departures.get(selectedItemId);
                        ((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
                        ((TextView)dialog.findViewById(R.id.Train)).setText(currentDeparture.getTrainNumber());
                        ((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
                        ((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
                        ((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
                        ((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
                        ((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
                        ((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
                        detailsDialog = dialog;
                        break;
                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;
                case DLG_DETAILS:
                        //Context mContext = getApplicationContext();
                        Dialog dialog = new Dialog(this);
                        dialog.setCancelable(true);

                        dialog.setContentView(R.layout.departuredetails);
                        dialog.setTitle("Departure details");

                        View root = dialog.findViewById(R.id.layout_root);
                        root.setOnClickListener( new DialogDismisser(dialog) );
                        return dialog;                  
                default:
                        return super.onCreateDialog(id);                
                }
        }

        void startDepartureFetcher() {
                showDialog(DLG_PROGRESS);
                fetcher = new DepartureFetcher(); 
                fetcher.execute(stationId);
        }
        
        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:" + latitude + "," + longitude);
                        startActivity( new Intent(Intent.ACTION_VIEW, uri));
                }
        };


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

                boolean success;
                String addr;
                @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	package dk.thoerup.traininfo;
2
3	import java.text.NumberFormat;
4	import java.util.ArrayList;
5	import java.util.List;
6	import java.util.Locale;
7
8	import android.app.AlertDialog;
9	import android.app.Dialog;
10	import android.app.ListActivity;
11	import android.app.ProgressDialog;
12	import android.content.DialogInterface;
13	import android.content.Intent;
14	import android.location.Address;
15	import android.location.Geocoder;
16	import android.net.Uri;
17	import android.os.AsyncTask;
18	import android.os.Bundle;
19	import android.util.Log;
20	import android.view.View;
21	import android.widget.ListView;
22	import android.widget.TextView;
23	import dk.thoerup.traininfo.provider.DepartureProvider;
24	import dk.thoerup.traininfo.provider.ProviderFactory;
25	import dk.thoerup.traininfo.util.MessageBox;
26
27	public class DepartureList extends ListActivity {
28
29	public static final int DLG_PROGRESS = 1;
30	public static final int DLG_DETAILS = 2;
31
32	DepartureListAdapter adapter;
33	DepartureProvider provider;
34	List<DepartureBean> departures;
35
36	int selectedItemId;
37	//DepartureBean currentDeparture;
38
39	ProgressDialog pgDialog;
40	Dialog detailsDialog;
41	DepartureFetcher fetcher;
42	int stationId;
43
44	double latitude,longitude;
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	latitude = launchedBy.getDoubleExtra("latitude", 0.0);
58	longitude = launchedBy.getDoubleExtra("longitude", 0.0);
59
60	String name = launchedBy.getStringExtra("name");
61	((TextView) findViewById(R.id.stationName)).setText( name );
62
63	String address = launchedBy.getStringExtra("address");
64	((TextView) findViewById(R.id.stationAddr)).setText( address );
65
66	stationId = launchedBy.getIntExtra("stationid", -1);
67
68	findViewById(R.id.header).setOnClickListener( mapLauncher );
69
70	NumberFormat format = NumberFormat.getNumberInstance();
71	format.setMaximumFractionDigits(1);
72	format.setMinimumFractionDigits(1);
73	int distance = launchedBy.getIntExtra("distance", 0);
74	((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
75
76
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	boolean detailsShowing = savedInstanceState.getBoolean("detailsShowing");
86	if (detailsShowing)
87	showDialog(DLG_DETAILS);
88	}
89	}
90
91	@Override
92	public void onSaveInstanceState(Bundle outState)
93	{
94	if (pgDialog != null && pgDialog.isShowing())
95	dismissDialog(DLG_PROGRESS);
96	boolean detailsShowing = (detailsDialog != null && detailsDialog.isShowing());
97	if (detailsShowing) {
98	dismissDialog(DLG_DETAILS);
99	}
100	outState.putBoolean("detailsShowing", detailsShowing);
101	outState.putInt("selectedItemId", selectedItemId);
102
103	outState.putSerializable("departures", (ArrayList<DepartureBean>) departures);
104	}
105
106	@Override
107	protected void onListItemClick(ListView l, View v, int position, long id) {
108	super.onListItemClick(l, v, position, id);
109
110	selectedItemId = position;
111	showDialog(DLG_DETAILS);
112	}
113
114
115	@Override
116	protected void onPrepareDialog(int id, Dialog dialog) {
117	super.onPrepareDialog(id, dialog);
118
119	switch (id) {
120	case DLG_DETAILS:
121	DepartureBean currentDeparture = departures.get(selectedItemId);
122	((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
123	((TextView)dialog.findViewById(R.id.Train)).setText(currentDeparture.getTrainNumber());
124	((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
125	((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
126	((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
127	((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
128	((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
129	((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
130	detailsDialog = dialog;
131	break;
132	case DLG_PROGRESS:
133	pgDialog = (ProgressDialog) dialog;
134	break;
135	}
136	}
137
138	@Override
139	protected Dialog onCreateDialog(int id) {
140	switch (id) {
141	case DLG_PROGRESS:
142	ProgressDialog dlg = new ProgressDialog(this);
143	dlg.setMessage("Fetch departure data");
144	dlg.setCancelable(true);
145	return dlg;
146	case DLG_DETAILS:
147	//Context mContext = getApplicationContext();
148	Dialog dialog = new Dialog(this);
149	dialog.setCancelable(true);
150
151	dialog.setContentView(R.layout.departuredetails);
152	dialog.setTitle("Departure details");
153
154	View root = dialog.findViewById(R.id.layout_root);
155	root.setOnClickListener( new DialogDismisser(dialog) );
156	return dialog;
157	default:
158	return super.onCreateDialog(id);
159	}
160	}
161
162	void startDepartureFetcher() {
163	showDialog(DLG_PROGRESS);
164	fetcher = new DepartureFetcher();
165	fetcher.execute(stationId);
166	}
167
168	class DialogDismisser implements View.OnClickListener {
169
170	Dialog dlg;
171	public DialogDismisser(Dialog d) {
172	dlg = d;
173	}
174
175	@Override
176	public void onClick(View v) {
177	if (dlg.isShowing())
178	dlg.dismiss();
179	}
180
181
182	}
183
184	View.OnClickListener mapLauncher = new View.OnClickListener() {
185	@Override
186	public void onClick(View v) {
187	Uri uri = Uri.parse("geo:" + latitude + "," + longitude);
188	startActivity( new Intent(Intent.ACTION_VIEW, uri));
189	}
190	};
191
192
193
194	class DepartureFetcher extends AsyncTask<Integer, Void, Void> {
195
196	boolean success;
197	String addr;
198	@Override
199	protected void onPostExecute(Void result) {
200	super.onPostExecute(result);
201
202
203	pgDialog.dismiss();
204
205	if (success) {
206	adapter.setDepartures(departures);
207	if (departures.size() == 0) {
208	MessageBox.showMessage(DepartureList.this, "No departures found");
209	}
210	} else { // communication or parse error
211	AlertDialog.Builder builder = new AlertDialog.Builder(DepartureList.this);
212	builder.setMessage("Error finding departures");
213	builder.setCancelable(true);
214	builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
215	public void onClick(DialogInterface dialog, int id) {
216	dialog.dismiss();
217	startDepartureFetcher();
218
219	}
220	});
221	builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
222	public void onClick(DialogInterface dialog, int id) {
223	dialog.dismiss();
224	}
225	});
226	builder.show();
227	}
228	}
229
230	@Override
231	protected Void doInBackground(Integer... params) {
232	success = provider.lookupDepartures(params[0]);
233	departures = provider.getDepartures(params[0]);
234	return null;
235	}
236
237	}
238	}