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;
        
        
        DepartureListAdapter adapter;
        DepartureProvider provider;
        List<DepartureBean> departures;
        
        int selectedItemId;
        //DepartureBean currentDeparture;
        
        ProgressDialog pgDialog;
        
        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");   
                }
        }
        
    @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(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	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	torben	316	import java.util.Locale;
7	torben	237
8	torben	336	import android.app.AlertDialog;
9	torben	237	import android.app.Dialog;
10			import android.app.ListActivity;
11			import android.app.ProgressDialog;
12	torben	336	import android.content.DialogInterface;
13	torben	237	import android.content.Intent;
14	torben	316	import android.location.Address;
15			import android.location.Geocoder;
16	torben	239	import android.net.Uri;
17	torben	237	import android.os.AsyncTask;
18			import android.os.Bundle;
19	torben	316	import android.util.Log;
20	torben	237	import android.view.View;
21			import android.widget.ListView;
22			import android.widget.TextView;
23	torben	255	import dk.thoerup.traininfo.provider.DepartureProvider;
24	torben	253	import dk.thoerup.traininfo.provider.ProviderFactory;
25	torben	245	import dk.thoerup.traininfo.util.MessageBox;
26	torben	237
27			public class DepartureList extends ListActivity {
28
29			public static final int DLG_PROGRESS = 1;
30
31	torben	362
32	torben	237	DepartureListAdapter adapter;
33			DepartureProvider provider;
34			List<DepartureBean> departures;
35
36	torben	257	int selectedItemId;
37			//DepartureBean currentDeparture;
38	torben	237
39			ProgressDialog pgDialog;
40	torben	362
41	torben	238	DepartureFetcher fetcher;
42	torben	336	int stationId;
43	torben	238
44	torben	239	double latitude,longitude;
45
46	torben	257	@SuppressWarnings("unchecked")
47	torben	237	@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	torben	239
57			latitude = launchedBy.getDoubleExtra("latitude", 0.0);
58			longitude = launchedBy.getDoubleExtra("longitude", 0.0);
59
60	torben	237	String name = launchedBy.getStringExtra("name");
61			((TextView) findViewById(R.id.stationName)).setText( name );
62	torben	317
63			String address = launchedBy.getStringExtra("address");
64			((TextView) findViewById(R.id.stationAddr)).setText( address );
65	torben	237
66	torben	336	stationId = launchedBy.getIntExtra("stationid", -1);
67	torben	294
68	torben	239	findViewById(R.id.header).setOnClickListener( mapLauncher );
69	torben	237
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	torben	238
77	torben	253	provider = ProviderFactory.getDepartureProvider();
78	torben	238
79	torben	257	if (savedInstanceState == null) {
80	torben	336	startDepartureFetcher();
81	torben	257	} else {
82			departures = (List<DepartureBean>) savedInstanceState.getSerializable("departures");
83			adapter.setDepartures(departures);
84			selectedItemId = savedInstanceState.getInt("selectedItemId");
85			}
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			fetcher.execute(stationId);
143			}
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			}
157	torben	336
158	torben	238
159	torben	336	}
160
161	torben	239	View.OnClickListener mapLauncher = new View.OnClickListener() {
162			@Override
163			public void onClick(View v) {
164			Uri uri = Uri.parse("geo:" + latitude + "," + longitude);
165			startActivity( new Intent(Intent.ACTION_VIEW, uri));
166			}
167			};
168	torben	336
169
170	torben	238
171	torben	310	class DepartureFetcher extends AsyncTask<Integer, Void, Void> {
172	torben	238
173	torben	319	boolean success;
174	torben	316	String addr;
175	torben	238	@Override
176			protected void onPostExecute(Void result) {
177			super.onPostExecute(result);
178
179	torben	336
180	torben	238	pgDialog.dismiss();
181
182	torben	319	if (success) {
183	torben	336	adapter.setDepartures(departures);
184	torben	319	if (departures.size() == 0) {
185			MessageBox.showMessage(DepartureList.this, "No departures found");
186			}
187			} else { // communication or parse error
188	torben	336	AlertDialog.Builder builder = new AlertDialog.Builder(DepartureList.this);
189			builder.setMessage("Error finding departures");
190			builder.setCancelable(true);
191			builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
192			public void onClick(DialogInterface dialog, int id) {
193			dialog.dismiss();
194			startDepartureFetcher();
195
196			}
197			});
198			builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
199			public void onClick(DialogInterface dialog, int id) {
200			dialog.dismiss();
201			}
202			});
203			builder.show();
204	torben	319	}
205	torben	238	}
206
207			@Override
208	torben	310	protected Void doInBackground(Integer... params) {
209	torben	319	success = provider.lookupDepartures(params[0]);
210			departures = provider.getDepartures(params[0]);
211	torben	238	return null;
212			}
213
214			}
215	torben	237	}