traininfo/util/FavoritesHelper.java

package dk.thoerup.traininfo.util;


import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;

import dk.thoerup.traininfo.util.IntSet;


public class FavoritesHelper {

        final static String FAVORITES = "favorites";

        Context cxt;
        public FavoritesHelper(Context cxt) {
                this.cxt = cxt;
        }

        protected SharedPreferences getPrefs() {
                return cxt.getSharedPreferences("TrainStation", 0);
        }

        protected IntSet getFavorites() {
                String favoriteString = getPrefs().getString(FAVORITES, "");

                IntSet favorites = new IntSet();
                if (! favoriteString.equals("") ) {
                        favorites.fromString(favoriteString);
                }

                return favorites;
        }

        public int getSize() {
                return getFavorites().size();
        }

        public String getString() {
                return getFavorites().toString();
        }

        public boolean hasFavorite(int station) {
                IntSet favorites = getFavorites();

                return favorites.contains(station);
        }

        public void addFavorite(int newfav) {
                SharedPreferences prefs = getPrefs();
        
                IntSet favorites = getFavorites();
                favorites.add(newfav);

                Editor ed = prefs.edit();
                ed.putString(FAVORITES, favorites.toString());
                ed.commit();
        }

        public void removeFavorite(int newfav) {
                SharedPreferences prefs = getPrefs();
        
                IntSet favorites = getFavorites();
                favorites.remove(newfav);

                Editor ed = prefs.edit();
                ed.putString(FAVORITES, favorites.toString());
                ed.commit();
        }


}
1	torben	1709	package dk.thoerup.traininfo.util;
2
3
4			import android.content.Context;
5			import android.content.SharedPreferences;
6			import android.content.SharedPreferences.Editor;
7
8			import dk.thoerup.traininfo.util.IntSet;
9
10
11
12			public class FavoritesHelper {
13
14			final static String FAVORITES = "favorites";
15
16			Context cxt;
17			public FavoritesHelper(Context cxt) {
18			this.cxt = cxt;
19			}
20
21			protected SharedPreferences getPrefs() {
22			return cxt.getSharedPreferences("TrainStation", 0);
23			}
24
25			protected IntSet getFavorites() {
26			String favoriteString = getPrefs().getString(FAVORITES, "");
27
28			IntSet favorites = new IntSet();
29			if (! favoriteString.equals("") ) {
30			favorites.fromString(favoriteString);
31			}
32
33			return favorites;
34			}
35
36			public int getSize() {
37			return getFavorites().size();
38			}
39
40			public String getString() {
41			return getFavorites().toString();
42			}
43
44			public boolean hasFavorite(int station) {
45			IntSet favorites = getFavorites();
46
47			return favorites.contains(station);
48			}
49
50			public void addFavorite(int newfav) {
51			SharedPreferences prefs = getPrefs();
52
53			IntSet favorites = getFavorites();
54			favorites.add(newfav);
55
56			Editor ed = prefs.edit();
57			ed.putString(FAVORITES, favorites.toString());
58			ed.commit();
59			}
60
61			public void removeFavorite(int newfav) {
62			SharedPreferences prefs = getPrefs();
63
64			IntSet favorites = getFavorites();
65			favorites.remove(newfav);
66
67			Editor ed = prefs.edit();
68			ed.putString(FAVORITES, favorites.toString());
69			ed.commit();
70			}
71
72
73
74			}