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.Dialog;
import android.app.ListActivity;
import android.app.ProgressDialog;
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;
        
        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 );
                
                ((TextView) findViewById(R.id.stationAddr)).setText( "searching..." );
                
                int 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();
                
                fetcher = new DepartureFetcher();
                if (savedInstanceState == null) {
                        showDialog(DLG_PROGRESS);
                        fetcher.execute(stationId);
                } 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);                
                }
        }

        String lookupAddress(double latitude, double longitude) {
                
                Geocoder coder = new Geocoder(this, new Locale("da"));
                StringBuilder sb = new StringBuilder();
                Log.i("lookupaddr", "" + latitude + "/" + longitude);
                try {
                        List<Address> addressList = coder.getFromLocation(latitude, longitude, 1);
                        Address addr = addressList.get(0);
                        
                        
                        int max = addr.getMaxAddressLineIndex();
                        for (int i=0; i<max; i++) {
                                if (i>0)
                                        sb.append(", ");
                                
                                sb.append(addr.getAddressLine(i));
                        }
                        
                        
                } catch (Exception e) {
                        Log.e("DepartureList", "geocoder failed", e);
                }
                
                return sb.toString();
        }
        
        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> {

                String addr;
                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        
                        adapter.setDepartures(departures);
                        pgDialog.dismiss();
                        
                        
                        ((TextView) findViewById(R.id.stationAddr)).setText( addr );
                        
                        if (departures.size() == 0)
                                MessageBox.showMessage(DepartureList.this, "No departures found");
                }

                @Override
                protected Void doInBackground(Integer... params) {
                        addr = lookupAddress( latitude , longitude);
                        provider.lookupDepartures(params[0]);
                        departures = provider.getDepartures();
                        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			import android.app.Dialog;
9			import android.app.ListActivity;
10			import android.app.ProgressDialog;
11			import android.content.Intent;
12	torben	316	import android.location.Address;
13			import android.location.Geocoder;
14	torben	239	import android.net.Uri;
15	torben	237	import android.os.AsyncTask;
16			import android.os.Bundle;
17	torben	316	import android.util.Log;
18	torben	237	import android.view.View;
19			import android.widget.ListView;
20			import android.widget.TextView;
21	torben	255	import dk.thoerup.traininfo.provider.DepartureProvider;
22	torben	253	import dk.thoerup.traininfo.provider.ProviderFactory;
23	torben	245	import dk.thoerup.traininfo.util.MessageBox;
24	torben	237
25			public class DepartureList extends ListActivity {
26
27			public static final int DLG_PROGRESS = 1;
28			public static final int DLG_DETAILS = 2;
29
30			DepartureListAdapter adapter;
31			DepartureProvider provider;
32			List<DepartureBean> departures;
33
34	torben	257	int selectedItemId;
35			//DepartureBean currentDeparture;
36	torben	237
37			ProgressDialog pgDialog;
38	torben	257	Dialog detailsDialog;
39	torben	238	DepartureFetcher fetcher;
40
41	torben	239	double latitude,longitude;
42
43	torben	257	@SuppressWarnings("unchecked")
44	torben	237	@Override
45			protected void onCreate(Bundle savedInstanceState) {
46			super.onCreate(savedInstanceState);
47			setContentView(R.layout.departurelist);
48
49			adapter = new DepartureListAdapter(this);
50			setListAdapter(adapter);
51
52			Intent launchedBy = getIntent();
53	torben	239
54			latitude = launchedBy.getDoubleExtra("latitude", 0.0);
55			longitude = launchedBy.getDoubleExtra("longitude", 0.0);
56
57	torben	237	String name = launchedBy.getStringExtra("name");
58			((TextView) findViewById(R.id.stationName)).setText( name );
59
60	torben	316	((TextView) findViewById(R.id.stationAddr)).setText( "searching..." );
61	torben	237
62	torben	310	int stationId = launchedBy.getIntExtra("stationid", -1);
63	torben	294
64	torben	239	findViewById(R.id.header).setOnClickListener( mapLauncher );
65	torben	237
66			NumberFormat format = NumberFormat.getNumberInstance();
67			format.setMaximumFractionDigits(1);
68			format.setMinimumFractionDigits(1);
69			int distance = launchedBy.getIntExtra("distance", 0);
70			((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
71
72	torben	238
73	torben	253	provider = ProviderFactory.getDepartureProvider();
74	torben	238
75			fetcher = new DepartureFetcher();
76	torben	257	if (savedInstanceState == null) {
77			showDialog(DLG_PROGRESS);
78	torben	310	fetcher.execute(stationId);
79	torben	257	} else {
80			departures = (List<DepartureBean>) savedInstanceState.getSerializable("departures");
81			adapter.setDepartures(departures);
82			selectedItemId = savedInstanceState.getInt("selectedItemId");
83			boolean detailsShowing = savedInstanceState.getBoolean("detailsShowing");
84			if (detailsShowing)
85			showDialog(DLG_DETAILS);
86			}
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			boolean detailsShowing = (detailsDialog != null && detailsDialog.isShowing());
95			if (detailsShowing) {
96			dismissDialog(DLG_DETAILS);
97			}
98			outState.putBoolean("detailsShowing", detailsShowing);
99			outState.putInt("selectedItemId", selectedItemId);
100
101			outState.putSerializable("departures", (ArrayList<DepartureBean>) departures);
102	torben	243	}
103
104	torben	237	@Override
105			protected void onListItemClick(ListView l, View v, int position, long id) {
106			super.onListItemClick(l, v, position, id);
107
108	torben	257	selectedItemId = position;
109	torben	237	showDialog(DLG_DETAILS);
110			}
111
112
113			@Override
114			protected void onPrepareDialog(int id, Dialog dialog) {
115			super.onPrepareDialog(id, dialog);
116	torben	257
117	torben	237	switch (id) {
118			case DLG_DETAILS:
119	torben	257	DepartureBean currentDeparture = departures.get(selectedItemId);
120	torben	237	((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
121	torben	249	((TextView)dialog.findViewById(R.id.Train)).setText(currentDeparture.getTrainNumber());
122	torben	237	((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
123			((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
124			((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
125			((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
126			((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
127			((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
128	torben	257	detailsDialog = dialog;
129	torben	237	break;
130			case DLG_PROGRESS:
131			pgDialog = (ProgressDialog) dialog;
132			break;
133			}
134			}
135
136			@Override
137			protected Dialog onCreateDialog(int id) {
138			switch (id) {
139			case DLG_PROGRESS:
140			ProgressDialog dlg = new ProgressDialog(this);
141			dlg.setMessage("Fetch departure data");
142			dlg.setCancelable(true);
143			return dlg;
144			case DLG_DETAILS:
145			//Context mContext = getApplicationContext();
146			Dialog dialog = new Dialog(this);
147			dialog.setCancelable(true);
148
149			dialog.setContentView(R.layout.departuredetails);
150			dialog.setTitle("Departure details");
151
152			View root = dialog.findViewById(R.id.layout_root);
153			root.setOnClickListener( new DialogDismisser(dialog) );
154			return dialog;
155			default:
156			return super.onCreateDialog(id);
157			}
158			}
159
160	torben	316	String lookupAddress(double latitude, double longitude) {
161
162			Geocoder coder = new Geocoder(this, new Locale("da"));
163			StringBuilder sb = new StringBuilder();
164			Log.i("lookupaddr", "" + latitude + "/" + longitude);
165			try {
166			List<Address> addressList = coder.getFromLocation(latitude, longitude, 1);
167			Address addr = addressList.get(0);
168
169
170			int max = addr.getMaxAddressLineIndex();
171			for (int i=0; i<max; i++) {
172			if (i>0)
173			sb.append(", ");
174
175			sb.append(addr.getAddressLine(i));
176			}
177
178
179			} catch (Exception e) {
180			Log.e("DepartureList", "geocoder failed", e);
181			}
182
183			return sb.toString();
184			}
185
186	torben	237	class DialogDismisser implements View.OnClickListener {
187
188			Dialog dlg;
189			public DialogDismisser(Dialog d) {
190			dlg = d;
191			}
192
193			@Override
194			public void onClick(View v) {
195			if (dlg.isShowing())
196			dlg.dismiss();
197			}
198			}
199	torben	238
200	torben	239	View.OnClickListener mapLauncher = new View.OnClickListener() {
201			@Override
202			public void onClick(View v) {
203			Uri uri = Uri.parse("geo:" + latitude + "," + longitude);
204			startActivity( new Intent(Intent.ACTION_VIEW, uri));
205			}
206			};
207	torben	238
208	torben	239
209	torben	310	class DepartureFetcher extends AsyncTask<Integer, Void, Void> {
210	torben	238
211	torben	316	String addr;
212	torben	238	@Override
213			protected void onPostExecute(Void result) {
214			super.onPostExecute(result);
215
216			adapter.setDepartures(departures);
217			pgDialog.dismiss();
218
219	torben	316
220			((TextView) findViewById(R.id.stationAddr)).setText( addr );
221
222	torben	238	if (departures.size() == 0)
223	torben	245	MessageBox.showMessage(DepartureList.this, "No departures found");
224	torben	238	}
225
226			@Override
227	torben	310	protected Void doInBackground(Integer... params) {
228	torben	316	addr = lookupAddress( latitude , longitude);
229	torben	238	provider.lookupDepartures(params[0]);
230			departures = provider.getDepartures();
231			return null;
232			}
233
234			}
235	torben	237	}