class MusicList(Observable):
'''Super Class for music lists.'''
def __init__(self, name):
Observable.__init__(self)
self._tracks = LList()
self._name = name
def getName(self):
return self._name
def getAllTracks(self):
raise NotImplementedError
def getPlayerType(self):
raise NotImplementedError
def addTrack(self, track):
'''Adds a track to the list, the assigned index is returned.'''
track_id = self._tracks.append(track)
signals.emit('tracklist.trackadded', {
'list_id': self._name,
'track_id': track_id,
'track': track
})
return track_id
def getTrack(self, index):
'''Returns a track for the given index.'''
return self._tracks.getData(index)
def getTracks(self):
'''Returns all tracks in order in the following format:
(index, Track)'''
tracks = map(lambda index: (index, self._tracks.getData(index)),
self._tracks.getNodes())
return tracks
def getPrevTrackIndex(self, index):
'''Returns the index for the previous track.'''
return self._tracks.getPrev(index)
def getNextTrackIndex(self, index):
'''Returns the index for the next track.'''
return self._tracks.getNext(index)
def _trackadded(self):
self.notify()
def serialize(self):
return {'name': self._name}
class MusicList(Observable):
'''Super Class for music lists.'''
def __init__(self, name):
Observable.__init__(self)
self._tracks = LList()
self._name = name
def getName(self):
return self._name
def getAllTracks(self):
raise NotImplementedError
def getPlayerType(self):
raise NotImplementedError
def addTrack(self, track):
'''Adds a track to the list, the assigned index is returned.'''
track_id = self._tracks.append(track)
signals.emit('tracklist.trackadded', {'list_id': self._name, 'track_id': track_id, 'track': track})
return track_id
def getTrack(self, index):
'''Returns a track for the given index.'''
return self._tracks.getData(index)
def getTracks(self):
'''Returns all tracks in order in the following format:
(index, Track)'''
tracks = map(lambda index: (index, self._tracks.getData(index)), self._tracks.getNodes())
return tracks
def getPrevTrackIndex(self, index):
'''Returns the index for the previous track.'''
return self._tracks.getPrev(index)
def getNextTrackIndex(self, index):
'''Returns the index for the next track.'''
return self._tracks.getNext(index)
def _trackadded(self):
self.notify()
def serialize(self):
return { 'name': self._name }
def __init__(self, name):
Observable.__init__(self)
self._tracks = LList()
self._name = name
def __init__(self, name):
Observable.__init__(self)
self._tracks = LList()
self._name = name
