def update_statusbar(self):
model = self.__treeview.get_model()
count = len(model)
if count == 0:
info = ""
else:
info = parse_track_list_stats(count, self.__size, self.__length)
BlaStatusbar.set_view_info(blaconst.VIEW_QUEUE, info)
def __new__(cls, name, bases, dct):
# Make sure at least one baseclass inherits from gobject.GObject.
if not any([issubclass(base, gobject.GObject) for base in bases]):
raise TypeError("%s does not inherit from gobject.GObject" %
name)
# Add the view_name property.
if "view_name" in dct:
raise ValueError("View class %s already defines an attribute "
"'view_name'" % name)
dct["view_name"] = property(lambda self: view_name)
# Add the count_changed signal.
signals = dct.get("__gsignals__", {})
if "count_changed" in signals or "count-changed" in signals:
raise ValueError("Class %s already defines a 'count_changed' "
"signal" % name)
signals["count_changed"] = blautil.signal(2)
dct["__gsignals__"] = signals
# Add the init-function stub.
if "init" not in dct:
dct["init"] = lambda self: None
# Add default behavior for `update_statusbar()'.
if "update_statusbar" not in dct:
dct["update_statusbar"] = lambda s: BlaStatusbar.set_view_info(
blacfg.getint("general", "view"), "")
return super(_BlaViewMeta, cls).__new__(cls, name, bases, dct)
