pjs/lib/mac/UserInterface/Tables/CTriStateTableHeader.h

43 строки
1.3 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
// This class implements a tree header that can operate in one of three states, in
// the following order:
//
// - no sort (natural order)
// - sort forwards
// - sort backwards
//
// When it reaches the end, it cycles back to the start (no sort).
#pragma once
#include "LTableViewHeader.h"
class CTriStateTableHeader : public LTableViewHeader
{
public:
CTriStateTableHeader(LStream* inStream);
virtual ~CTriStateTableHeader();
protected:
bool CycleSortDirection ( ColumnIndexT & ioColumn ) ;
}; // class CTriStateTableHeader