spectral_models.py 文件源码

def sort(self, column, order):

        self.emit(QtCore.SIGNAL("layoutAboutToBeChanged()"))
        self._data = sorted(self._data,
            key=lambda sm: getattr(sm, self.attrs[column]))

        if order == QtCore.Qt.DescendingOrder:
            self._data.reverse()

        self.dataChanged.emit(self.createIndex(0, 0),
            self.createIndex(self.rowCount(0), self.columnCount(0)))
        self.emit(QtCore.SIGNAL("layoutChanged()"))