+class FavoriteManager(QObject):
+ def __init__(self):
+ QObject.__init__(self)
+ self._faves = []
+ if os.path.exists(defaults.favorites_file):
+ try:
+ self._faves = json.load(open(defaults.favorites_file, 'r'))
+ self._faves = map(tuple, self._faves)
+ print 'faves loaded:', self._faves
+ except Exception, e:
+ print 'faves load error:', e
+
+ @Slot(result=int)
+ def getCount(self):
+ result = len(self._faves)
+ print 'getCount->', result
+ return result
+
+ @Slot(int, result=unicode)
+ def getItem(self, index):
+ keys = ['gline', 'gdirection', 'gstation', 'sourceurl', 'isstation']
+ result = dict(zip(keys, self._faves[index]))
+ result['name'] = u'%(gline)s -> %(gdirection)s @ %(gstation)s' % result
+ result = json.dumps(result)
+ print 'getItem:', index, result
+ return result
+
+ def _persist(self):
+ print 'persist:', self._faves, '->', defaults.favorites_file
+ try:
+ fp = open(defaults.favorites_file, 'w')
+ json.dump(self._faves, fp)
+ fp.close()
+ except Exception, e:
+ print 'faves save error:', e
+
+ @Slot(unicode, unicode, unicode, unicode, bool, int, result=bool)
+ def isFavorite(self, gline, gdirection, gstation, sourceurl, isstation, x):
+ k = (gline, gdirection, gstation, sourceurl, isstation)
+ return (k in self._faves)
+
+ @Slot(unicode, unicode, unicode, unicode, bool)
+ def toggleFavorite(self, gline, gdirection, gstation, sourceurl, isstation):
+ k = (gline, gdirection, gstation, sourceurl, isstation)
+ if k in self._faves:
+ self._faves.remove(k)
+ else:
+ self._faves.append(k)
+
+ self._persist()
+