+ def seek_print(self, music = None, value = 0, delta = False, **kwargs):
+ if delta:
+ if music is not None:
+ return "moving music « {} » by {:+d}s".format(music.name, value)
+ else:
+ return "moving all musics by {:+d}s".format(value)
+ else:
+ if music is not None:
+ return "moving music « {} » to position {}s".format(music.name, value)
+ else:
+ return "moving all musics to position {}s".format(value)
+