/*****************************************************************************
** QNapi
** Copyright (C) 2008-2009 Krzemin <pkrzemin@o2.pl>
**
** This program 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 file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
*****************************************************************************/

#ifndef __QCHECKEDLISTWIDGET__H__
#define __QCHECKEDLISTWIDGET__H__

#include <QtWidgets>

class QCheckedListWidget : public QListWidget
{
    public:

        QCheckedListWidget(QWidget * parent = 0) : QListWidget(parent)
        {
            setMouseTracking(true);
        }

        void setItemCheckState(int i, Qt::CheckState state)
        {
            QListWidgetItem * it = item(i);
            if(it) it->setCheckState(state);
        }

        Qt::CheckState itemCheckState(int i)
        {
            QListWidgetItem * it = item(i);
            return it ? it->checkState() : Qt::Unchecked;
        }

        void selectAll()
        {
            for(int i = 0; i < count(); ++i)
            {
                item(i)->setCheckState(Qt::Checked);
            }
        }

        void unselectAll()
        {
            for(int i = 0; i < count(); ++i)
            {
                item(i)->setCheckState(Qt::Unchecked);
            }
        }

        void invertSelection()
        {
            Qt::CheckState state;
            for(int i = 0; i < count(); ++i)
            {
                state = item(i)->checkState();
                state = (state == Qt::Checked) ? Qt::Unchecked : Qt::Checked;
                item(i)->setCheckState(state);
            }
        }
};

#endif // __QCHECKEDLISTWIDGET__H__