dragdropmanager_p.h

00001 /*
00002     Copyright (c) 2009 Stephen Kelly <steveire@gmail.com>
00003 
00004     This library is free software; you can redistribute it and/or modify it
00005     under the terms of the GNU Library General Public License as published by
00006     the Free Software Foundation; either version 2 of the License, or (at your
00007     option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful, but WITHOUT
00010     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00011     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
00012     License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public License
00015     along with this library; see the file COPYING.LIB.  If not, write to the
00016     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
00017     02110-1301, USA.
00018 */
00019 
00020 #ifndef AKONADI_DRAGDROPMANAGER_P_H
00021 #define AKONADI_DRAGDROPMANAGER_P_H
00022 
00023 #include <QtGui/QAbstractItemView>
00024 
00025 #include "akonadi/collection.h"
00026 
00027 namespace Akonadi
00028 {
00029 
00030 class DragDropManager
00031 {
00032   public:
00033     DragDropManager( QAbstractItemView *view );
00034 
00038     bool dropAllowed( QDragMoveEvent *event ) const;
00039 
00047     bool processDropEvent( QDropEvent *event );
00048 
00055     void startDrag( Qt::DropActions supportedActions );
00056 
00057   private:
00058     Collection currentDropTarget( QDropEvent* event ) const;
00059 
00060     bool hasAncestor( const QModelIndex& index, Collection::Id parentId ) const;
00061 
00062     QAbstractItemView *m_view;
00063 };
00064 
00065 }
00066 
00067 #endif

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