--- android/TrainInfo/src/dk/thoerup/traininfo/StationList.java	2009/10/10 09:56:10	432
+++ android/TrainInfo/src/dk/thoerup/traininfo/StationList.java	2009/10/10 11:30:08	433
@@ -3,6 +3,7 @@
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
+import java.util.prefs.Preferences;
 
 import android.app.AlertDialog;
 import android.app.Dialog;
@@ -10,6 +11,7 @@
 import android.app.ProgressDialog;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.location.Address;
 import android.location.Geocoder;
 import android.location.Location;
@@ -18,16 +20,22 @@
 import android.os.Handler;
 import android.os.Message;
 import android.util.Log;
+import android.view.ContextMenu;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.ContextMenu.ContextMenuInfo;
+import android.view.View.OnCreateContextMenuListener;
+import android.widget.AdapterView;
 import android.widget.EditText;
 import android.widget.ListView;
+import android.widget.Toast;
 import dk.thoerup.traininfo.provider.ProviderFactory;
 import dk.thoerup.traininfo.provider.StationProvider;
 import dk.thoerup.traininfo.stationmap.GeoPair;
 import dk.thoerup.traininfo.stationmap.StationMapView;
+import dk.thoerup.traininfo.util.IntSet;
 import dk.thoerup.traininfo.util.MessageBox;
 
 public class StationList extends ListActivity  {
@@ -40,6 +48,8 @@
 	public static final int OPTIONS_NAMESEARCH = 2002;
 	public static final int OPTIONS_MAP = 2003;
 	public static final int OPTIONS_ABOUT = 2004;
+	public static final int OPTIONS_FAVORITES = 2005;
+	
 
 	
 	public static final int DLG_PROGRESS = 3001;
@@ -61,12 +71,18 @@
 		
 	StationListAdapter adapter = null;
 	
+	FavoritesMenu contextMenu = new FavoritesMenu();
+	IntSet favorites = new IntSet();
+	
 	static enum LookupMethod {
 		ByLocation,
 		ByName,
+		ByList,
 		MethodNone
 	}
 	
+	SharedPreferences prefs;
+	
 	///////////////////////////////////////////////////////////////////////////////////////////
 	//Activity call backs
 	
@@ -80,7 +96,18 @@
 		adapter = new StationListAdapter(this);
 		setListAdapter(adapter);
 		
+		ListView lv = getListView();
+		lv.setOnCreateContextMenuListener(contextMenu);
+		
 		locator = new LocationLookup(this, stationsFetched);
+		
+
+		prefs = getSharedPreferences("TrainStation", 0);
+		String favoriteString = prefs.getString("favorites", "");
+		if (! favoriteString.equals("") ) {
+			favorites.fromString(favoriteString);
+		}
+		
 		if (savedInstanceState == null) {
 			startLookup();
 		} else {
@@ -112,6 +139,9 @@
 		item = menu.add(0, OPTIONS_NAMESEARCH, 0, "Search for station");
 		item.setIcon(android.R.drawable.ic_menu_search);
 		
+		item = menu.add(0, OPTIONS_FAVORITES, 0, "Favorites");
+		item.setIcon(android.R.drawable.ic_menu_agenda);
+		
 		item = menu.add(0, OPTIONS_MAP, 0, "Show station map");
 		item.setIcon(android.R.drawable.ic_menu_mapmode);
 		
@@ -132,6 +162,9 @@
 		case OPTIONS_NAMESEARCH:
 			showDialog(DLG_STATIONNAME);
 			break;
+		case OPTIONS_FAVORITES:
+			startFavoriteLookup();
+			break;
 		case OPTIONS_MAP:
 			
 			Intent intent = new Intent(this,StationMapView.class);
@@ -166,6 +199,19 @@
 		
 		return retval;
 	}
+	
+	
+
+	@Override
+	public boolean onContextItemSelected(MenuItem item) {
+		contextMenu.onContextItemSelected(item);
+		return true;
+
+
+	}
+
+
+
 
 	@Override
 	protected Dialog onCreateDialog(int id) {
@@ -266,6 +312,20 @@
 		locatorTask.execute();
 		
 	}
+	
+	public void startFavoriteLookup() {
+		
+		if (favorites.toString().length() > 0) {
+			dialogMessage = "Loading favorites";
+			showDialog(DLG_PROGRESS);
+
+			locatorTask = new LocatorTask();
+			locatorTask.searchByIds(favorites.toString(), locator.getLocation());
+			locatorTask.execute();
+		} else {
+			MessageBox.showMessage(this, "Favorite list is empty");
+		}
+	}
 
 
 	
@@ -367,6 +427,7 @@
 		boolean success;
 		String name;
 		Location loc;
+		String ids;
 		
 		public void searchByName(String n, Location l) {
 			
@@ -380,6 +441,13 @@
 			loc = l;
 		}
 		
+		public void searchByIds(String id, Location l) {
+			
+			method = LookupMethod.ByList;
+			loc = l;
+			ids = id;
+		}
+		
 		@Override
 		protected void onPreExecute() {
 
@@ -395,7 +463,10 @@
 				success = stationProvider.lookupStations(loc);
 			
 			if (method.equals(LookupMethod.ByName))
-				success = stationProvider.lookupStations(name);
+				success = stationProvider.lookupStationsByName(name);
+			
+			if (method.equals(LookupMethod.ByList))
+				success = stationProvider.lookupStationsByIds(ids);
 			
 			Location dummy = new Location("gps");
 			List<StationBean> stations = stationProvider.getStations();
@@ -404,7 +475,7 @@
 				String addr = lookupAddress(station.getLatitude(), station.getLongitude());
 				station.setAddress(addr);
 				
-				if (method.equals(LookupMethod.ByName) ) {
+				if (method.equals(LookupMethod.ByName) || method.equals(LookupMethod.ByList)) {
 					dummy.setLatitude(station.getLatitude());
 					dummy.setLongitude(station.getLongitude());
 					station.setDistance( (int)loc.distanceTo(dummy) );
@@ -450,4 +521,43 @@
 			}
 		}
 	}
+	
+	
+	class FavoritesMenu implements OnCreateContextMenuListener {
+		private final static int FAVORITES_ADD = 9001;
+		private final static int FAVORITES_REMOVE = 9002;
+		
+		private int selectedPosition;
+		
+		
+		@Override
+		public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
+						
+			AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
+			selectedPosition = info.position;
+			int stationID = stations.get(selectedPosition).getId();
+
+			if (!favorites.hasInt(stationID)) {
+				menu.add(0, FAVORITES_ADD, 0, "Add to favorites");
+			} else {
+				menu.add(0, FAVORITES_REMOVE, 0, "Remove from favorites");
+			}
+			
+		}
+		
+		public void onContextItemSelected(MenuItem item) {
+			StationBean sb = stations.get(selectedPosition);
+			
+			int stationID = sb.getId();
+			if (item.getItemId() == FAVORITES_ADD) {
+				favorites.add(stationID);
+				Toast.makeText(StationList.this, "Station added", Toast.LENGTH_SHORT).show();
+			} else {
+				favorites.remove(stationID);
+				Toast.makeText(StationList.this, "Station removed", Toast.LENGTH_SHORT).show();
+			}
+			
+			prefs.edit().putString("favorites", favorites.toString());
+		}
+	}
 }
\ No newline at end of file