sortlistctrl.py 文件源码

def DeleteColumnMixin(self, col):
        '''Replaces ListCtrl DeleteColumn to keep the ascending/descending sort flags
        sync'ed with column insertion

        The reason to do this: if put on the right hand side of the "base
        classes" list a plain InsertColumn method would not be found and Mixins
        are usually put on the right hand side
        '''
        deleted = self.DeleteColumnOrig(col)
        if deleted:
            self.sortflags.pop(col)
            if self.col == col:
                # Last sorted column ... removed ... invalidate index
                self.col = -1
            elif self.col > col:
                # Keep the index sync'ed, since we removed from the left
                self.col -= 1