dragdropmanager_p.h

/*
    Copyright (c) 2009 Stephen Kelly <steveire@gmail.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.
*/

#ifndef AKONADI_DRAGDROPMANAGER_P_H
#define AKONADI_DRAGDROPMANAGER_P_H

#include <QAbstractItemView>

#include "akonadi/collection.h"

namespace Akonadi
{

class DragDropManager
{
  public:
    explicit DragDropManager( QAbstractItemView *view );

    bool dropAllowed( QDragMoveEvent *event ) const;

    bool processDropEvent( QDropEvent *event, bool &menuCanceled, bool dropOnItem = true );

    void startDrag( Qt::DropActions supportedActions );

    void setShowDropActionMenu( bool show );

    bool showDropActionMenu() const;

    bool isManualSortingActive() const;

    void setManualSortingActive(bool active);

  private:
    Collection currentDropTarget( QDropEvent* event ) const;

    bool hasAncestor( const QModelIndex& index, Collection::Id parentId ) const;
    bool mShowDropActionMenu;
    bool mIsManualSortingActive;
    QAbstractItemView *m_view;
};

}

#endif