#ifndef ColumnSortingMenu_h
#define ColumnSortingMenu_h

/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This software is distributed in the hope that it will be useful, but WITHOUT
* Any WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program.  If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/

#include "Counter.h"
#include "Debug.h"

#include <QAction>
#include <QActionGroup>
#include <QMenu>
#include <QTreeView>
#include <QHeaderView>
#include <QHash>

//_______________________________________________________________
class ColumnSortingMenu:public QMenu, private Base::Counter<ColumnSortingMenu>
{

    //* Qt meta object declaration
    Q_OBJECT

    public:

    //* constructor
    explicit ColumnSortingMenu( QWidget*, QTreeView*, const QString& = tr( "Sort By" ) );

    //* constructor
    explicit ColumnSortingMenu( QWidget*, QHeaderView*, const QString&  = tr( "Sort By" ) );

    private Q_SLOTS:

    //* update actions
    void _updateActions();

    //* revert order
    void _revertOrder();

    //* update mask when triggering actions
    void _sort( QAction* action );

    private:

    //* target
    QTreeView* target_ = nullptr;

    //* header
    QHeaderView* header_ = nullptr;

    //* action group
    QActionGroup* group_ = nullptr;

    //* map action to column index
    using ActionMap = QHash< QAction*, int >;

    //* map action to column index
    ActionMap actions_;

};

#endif
