/*
    Copyright (C) 2010 Klarälvdalens Datakonsult AB,
        a KDAB Group company, info@kdab.net,
        author Stephen Kelly <stephen@kdab.com>

    This library is free software; you can redistribute it and/or modify it
    under the terms of the GNU Library General Public License as published by
    the Free Software Foundation; either version 2 of the License, or (at your
    option) any later version.

    This library 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 Library General Public
    License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to the
    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.
*/

// READ THE README FILE

#ifndef UNREADMAILSINCOLLECTIONSWIDGET_H
#define UNREADMAILSINCOLLECTIONSWIDGET_H

#include <QWidget>
#include <QSortFilterProxyModel>

#include <QItemSelectionModel>

class KCheckableProxyModel;

namespace Akonadi
{
class ChangeRecorder;
class EntityTreeModel;
}

class UnreadMailsInCollectionsProxy : public QSortFilterProxyModel
{
  Q_OBJECT
public:
  UnreadMailsInCollectionsProxy(QObject* parent = 0);
protected:
  virtual bool filterAcceptsRow(int source_row, const QModelIndex& source_parent) const;
};


class UnreadMailsInCollectionsWidget : public QWidget
{
  Q_OBJECT
public:
  UnreadMailsInCollectionsWidget(QWidget* parent = 0, Qt::WindowFlags f = 0);
  virtual ~UnreadMailsInCollectionsWidget();

private slots:
  void configure();
  void saveCheckState();
  void restoreCheckState();

private:
  Akonadi::ChangeRecorder *m_changeRecorder;
  Akonadi::EntityTreeModel *m_etm;
  QItemSelectionModel *m_checkedItemModel;
  KCheckableProxyModel *m_checkableProxy;


};

#endif