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import android.app.ProgressDialog; |
import android.app.ProgressDialog; |
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import android.content.DialogInterface; |
import android.content.DialogInterface; |
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import android.content.Intent; |
import android.content.Intent; |
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import android.content.SharedPreferences; |
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import android.content.SharedPreferences.Editor; |
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import android.location.Address; |
import android.location.Address; |
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import android.location.Geocoder; |
import android.location.Geocoder; |
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import android.location.Location; |
import android.location.Location; |
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import android.os.Handler; |
import android.os.Handler; |
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import android.os.Message; |
import android.os.Message; |
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import android.util.Log; |
import android.util.Log; |
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import android.view.ContextMenu; |
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import android.view.LayoutInflater; |
import android.view.LayoutInflater; |
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import android.view.Menu; |
import android.view.Menu; |
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import android.view.MenuItem; |
import android.view.MenuItem; |
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import android.view.View; |
import android.view.View; |
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import android.view.ContextMenu.ContextMenuInfo; |
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import android.view.View.OnCreateContextMenuListener; |
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import android.widget.AdapterView; |
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import android.widget.EditText; |
import android.widget.EditText; |
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import android.widget.ListView; |
import android.widget.ListView; |
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import android.widget.Toast; |
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import dk.thoerup.traininfo.provider.ProviderFactory; |
import dk.thoerup.traininfo.provider.ProviderFactory; |
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import dk.thoerup.traininfo.provider.StationProvider; |
import dk.thoerup.traininfo.provider.StationProvider; |
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import dk.thoerup.traininfo.stationmap.GeoPair; |
import dk.thoerup.traininfo.stationmap.GeoPair; |
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import dk.thoerup.traininfo.stationmap.StationMapView; |
import dk.thoerup.traininfo.stationmap.StationMapView; |
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import dk.thoerup.traininfo.util.IntSet; |
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import dk.thoerup.traininfo.util.MessageBox; |
import dk.thoerup.traininfo.util.MessageBox; |
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public class StationList extends ListActivity { |
public class StationList extends ListActivity { |
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public static final int OPTIONS_NAMESEARCH = 2002; |
public static final int OPTIONS_NAMESEARCH = 2002; |
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public static final int OPTIONS_MAP = 2003; |
public static final int OPTIONS_MAP = 2003; |
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public static final int OPTIONS_ABOUT = 2004; |
public static final int OPTIONS_ABOUT = 2004; |
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public static final int OPTIONS_FAVORITES = 2005; |
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public static final int DLG_PROGRESS = 3001; |
public static final int DLG_PROGRESS = 3001; |
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public static final int DLG_STATIONNAME = 3002; |
public static final int DLG_STATIONNAME = 3002; |
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/** Called when the activity is first created. */ |
static enum LookupMethod { |
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ByLocation, |
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ByName, |
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ByList, |
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MethodNone |
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} |
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String dialogMessage = ""; |
String dialogMessage = ""; |
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ProgressDialog dialog; |
ProgressDialog dialog; |
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LocationLookup locator = null; |
LocationLookup locator = null; |
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LocatorTask locatorTask; |
FindStationsTask findStationsTask; |
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StationsFetchedHandler stationsFetched = new StationsFetchedHandler(); |
StationsFetchedHandler stationsFetched = new StationsFetchedHandler(); |
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GeoPair location = new GeoPair(); |
GeoPair location = new GeoPair(); |
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StationListAdapter adapter = null; |
StationListAdapter adapter = null; |
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static enum LookupMethod { |
FavoritesMenu contextMenu = new FavoritesMenu(); |
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ByLocation, |
IntSet favorites = new IntSet(); |
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ByName, |
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MethodNone |
boolean showingFavorites = false; |
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} |
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SharedPreferences prefs; |
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/////////////////////////////////////////////////////////////////////////////////////////// |
/////////////////////////////////////////////////////////////////////////////////////////// |
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//Activity call backs |
//Activity call backs |
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adapter = new StationListAdapter(this); |
adapter = new StationListAdapter(this); |
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setListAdapter(adapter); |
setListAdapter(adapter); |
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ListView lv = getListView(); |
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lv.setOnCreateContextMenuListener(contextMenu); |
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locator = new LocationLookup(this, stationsFetched); |
locator = new LocationLookup(this, stationsFetched); |
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prefs = getSharedPreferences("TrainStation", 0); |
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String favoriteString = prefs.getString("favorites", ""); |
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if (! favoriteString.equals("") ) { |
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favorites.fromString(favoriteString); |
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} |
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if (savedInstanceState == null) { |
if (savedInstanceState == null) { |
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startLookup(); |
startLookup(); |
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} else { |
} else { |
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public boolean onCreateOptionsMenu(Menu menu) { |
public boolean onCreateOptionsMenu(Menu menu) { |
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MenuItem item; |
MenuItem item; |
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item = menu.add(0, OPTIONS_RESCAN, 0, "Find nearest stations"); |
item = menu.add(0, OPTIONS_RESCAN, 0, "Nearest stations"); |
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item.setIcon(android.R.drawable.ic_menu_mylocation); |
item.setIcon(android.R.drawable.ic_menu_mylocation); |
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item = menu.add(0, OPTIONS_NAMESEARCH, 0, "Search for station"); |
item = menu.add(0, OPTIONS_NAMESEARCH, 0, "Search for station"); |
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item.setIcon(android.R.drawable.ic_menu_search); |
item.setIcon(android.R.drawable.ic_menu_search); |
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item = menu.add(0, OPTIONS_MAP, 0, "Show station map"); |
item = menu.add(0, OPTIONS_FAVORITES, 0, "Favorites"); |
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item.setIcon(android.R.drawable.ic_menu_agenda); |
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item = menu.add(0, OPTIONS_MAP, 0, "Station map"); |
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item.setIcon(android.R.drawable.ic_menu_mapmode); |
item.setIcon(android.R.drawable.ic_menu_mapmode); |
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item = menu.add(0, OPTIONS_ABOUT, 0, "About"); |
item = menu.add(0, OPTIONS_ABOUT, 0, "About"); |
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case OPTIONS_NAMESEARCH: |
case OPTIONS_NAMESEARCH: |
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showDialog(DLG_STATIONNAME); |
showDialog(DLG_STATIONNAME); |
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break; |
break; |
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case OPTIONS_FAVORITES: |
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startFavoriteLookup(); |
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break; |
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case OPTIONS_MAP: |
case OPTIONS_MAP: |
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Intent intent = new Intent(this,StationMapView.class); |
Intent intent = new Intent(this,StationMapView.class); |
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return retval; |
return retval; |
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} |
} |
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@Override |
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public boolean onContextItemSelected(MenuItem item) { |
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contextMenu.onContextItemSelected(item); |
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return true; |
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} |
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@Override |
@Override |
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protected Dialog onCreateDialog(int id) { |
protected Dialog onCreateDialog(int id) { |
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dialogMessage = "Finding stations by name"; |
dialogMessage = "Finding stations by name"; |
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showDialog(DLG_PROGRESS); |
showDialog(DLG_PROGRESS); |
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locatorTask = new LocatorTask(); |
findStationsTask = new FindStationsTask(); |
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locatorTask.searchByName(name, locator.getLocation()); |
findStationsTask.searchByName(name, locator.getLocation()); |
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locatorTask.execute(); |
findStationsTask.execute(); |
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} |
} |
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public void startFavoriteLookup() { |
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if (favorites.size() > 0) { |
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dialogMessage = "Loading favorites"; |
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showDialog(DLG_PROGRESS); |
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findStationsTask = new FindStationsTask(); |
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findStationsTask.searchByIds(favorites.toString(), locator.getLocation()); |
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findStationsTask.execute(); |
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} else { |
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MessageBox.showMessage(this, "Favorite list is empty"); |
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} |
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} |
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dialogMessage = "Finding nearby stations"; |
dialogMessage = "Finding nearby stations"; |
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showDialog(DLG_PROGRESS); |
showDialog(DLG_PROGRESS); |
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locatorTask = new LocatorTask(); |
findStationsTask = new FindStationsTask(); |
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locatorTask.searchByLocation( locator.getLocation() ); |
findStationsTask.searchByLocation( locator.getLocation() ); |
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locatorTask.execute(); |
findStationsTask.execute(); |
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} |
} |
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}; |
}; |
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class LocatorTask extends AsyncTask<Void,Void,Void> { |
class FindStationsTask extends AsyncTask<Void,Void,Void> { |
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LookupMethod method = LookupMethod.MethodNone; |
LookupMethod method = LookupMethod.MethodNone; |
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boolean success; |
boolean success; |
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String name; |
String name; |
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Location loc; |
Location loc; |
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String ids; |
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public void searchByName(String n, Location l) { |
public void searchByName(String n, Location l) { |
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loc = l; |
loc = l; |
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} |
} |
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public void searchByIds(String id, Location l) { |
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method = LookupMethod.ByList; |
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loc = l; |
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ids = id; |
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} |
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@Override |
@Override |
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protected void onPreExecute() { |
protected void onPreExecute() { |
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@Override |
@Override |
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protected Void doInBackground(Void... params) { |
protected Void doInBackground(Void... params) { |
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if (method.equals(LookupMethod.ByLocation)) |
switch (method) { |
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case ByLocation: |
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success = stationProvider.lookupStations(loc); |
success = stationProvider.lookupStations(loc); |
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break; |
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case ByName: |
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success = stationProvider.lookupStationsByName(name); |
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break; |
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case ByList: |
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success = stationProvider.lookupStationsByIds(ids); |
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break; |
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default: |
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success = false; // not possible |
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} |
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if (method.equals(LookupMethod.ByName)) |
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success = stationProvider.lookupStations(name); |
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Location dummy = new Location("gps"); |
Location dummy = new Location("gps"); |
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List<StationBean> stations = stationProvider.getStations(); |
List<StationBean> stations = stationProvider.getStations(); |
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String addr = lookupAddress(station.getLatitude(), station.getLongitude()); |
String addr = lookupAddress(station.getLatitude(), station.getLongitude()); |
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station.setAddress(addr); |
station.setAddress(addr); |
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if (method.equals(LookupMethod.ByName) ) { |
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dummy.setLatitude(station.getLatitude()); |
if (method.equals(LookupMethod.ByName) || method.equals(LookupMethod.ByList)) { |
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dummy.setLongitude(station.getLongitude()); |
if (loc != null) { //only do the distance calc if we have a location |
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station.setDistance( (int)loc.distanceTo(dummy) ); |
dummy.setLatitude(station.getLatitude()); |
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dummy.setLongitude(station.getLongitude()); |
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station.setDistance( (int)loc.distanceTo(dummy) ); |
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} else { |
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station.setDistance(0); |
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} |
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} |
} |
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} |
} |
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return null; |
return null; |
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super.onPostExecute(result); |
super.onPostExecute(result); |
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dialog.dismiss(); |
dialog.dismiss(); |
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//set title |
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String title; |
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switch (method) { |
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case ByLocation: |
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title = "Traininfo DK - Nearby stations"; |
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break; |
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case ByName: |
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title = "Traininfo DK - Search"; |
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break; |
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case ByList: |
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title = "Traininfo DK - Favorites"; |
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break; |
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default: |
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title = "";//not possible |
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} |
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StationList.this.setTitle(title); |
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//set title end |
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if (success) { |
if (success) { |
527 |
if (stationProvider.getStations().size() == 0) |
if (stationProvider.getStations().size() == 0) |
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MessageBox.showMessage(StationList.this, "No stations found!"); // this should not be possible !?! |
MessageBox.showMessage(StationList.this, "No stations found!"); // this should not be possible !?! |
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stations = stationProvider.getStations(); |
stations = stationProvider.getStations(); |
530 |
adapter.setStations( stations ); |
adapter.setStations( stations ); |
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showingFavorites = method.equals(LookupMethod.ByList); |
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} else { //communication or parse errors |
} else { //communication or parse errors |
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AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); |
AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); |
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} |
} |
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} |
} |
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} |
} |
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class FavoritesMenu implements OnCreateContextMenuListener { |
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private final static int FAVORITES_ADD = 9001; |
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private final static int FAVORITES_REMOVE = 9002; |
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private int selectedPosition; |
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@Override |
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public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { |
570 |
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AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo; |
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selectedPosition = info.position; |
573 |
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int stationID = stations.get(selectedPosition).getId(); |
574 |
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if (!favorites.contains(stationID)) { |
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menu.add(0, FAVORITES_ADD, 0, "Add to favorites"); |
577 |
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} else { |
578 |
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menu.add(0, FAVORITES_REMOVE, 0, "Remove from favorites"); |
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} |
580 |
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} |
582 |
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public void onContextItemSelected(MenuItem item) { |
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StationBean sb = stations.get(selectedPosition); |
585 |
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int stationID = sb.getId(); |
587 |
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if (item.getItemId() == FAVORITES_ADD) { |
588 |
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favorites.add(stationID); |
589 |
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Toast.makeText(StationList.this, "Station added", Toast.LENGTH_SHORT).show(); |
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} else { |
591 |
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favorites.remove(stationID); |
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Toast.makeText(StationList.this, "Station removed", Toast.LENGTH_SHORT).show(); |
594 |
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if (showingFavorites) { |
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stations.remove(selectedPosition); |
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adapter.notifyDataSetChanged(); |
598 |
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} |
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} |
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Editor ed = prefs.edit(); |
601 |
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ed.putString("favorites", favorites.toString()); |
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ed.commit(); |
603 |
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} |
604 |
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} |
605 |
} |
} |