linelist_manager.py 文件源码

def sort(self, column, order):

        if "line_list" not in self.session.metadata:
            return None

        self.emit(QtCore.SIGNAL("layoutAboutToBeChanged()"))

        self.session.metadata["line_list"].sort(self.columns[column])
        if order == QtCore.Qt.DescendingOrder:
            self.session.metadata["line_list"].reverse()

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

        # Must update hash sorting after any modification to line list
        self.session.metadata["line_list_argsort_hashes"] = np.argsort(
            self.session.metadata["line_list"]["hash"])