KD Chart 2: kdganttabstractrowcontroller.h Source File

00001 /****************************************************************************
00002  ** Copyright (C) 2001-2006 Klarälvdalens Datakonsult AB.  All rights reserved.
00003  **
00004  ** This file is part of the KD Gantt library.
00005  **
00006  ** This file may be distributed and/or modified under the terms of the
00007  ** GNU General Public License version 2 as published by the Free Software
00008  ** Foundation and appearing in the file LICENSE.GPL included in the
00009  ** packaging of this file.
00010  **
00011  ** Licensees holding valid commercial KD Gantt licenses may use this file in
00012  ** accordance with the KD Gantt Commercial License Agreement provided with
00013  ** the Software.
00014  **
00015  ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00016  ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00017  **
00018  ** See http://www.kdab.net/kdgantt for
00019  **   information about KD Gantt Commercial License Agreements.
00020  **
00021  ** Contact info@kdab.net if any conditions of this
00022  ** licensing are not clear to you.
00023  **
00024  **********************************************************************/
00025 #ifndef KDGANTTABSTRACTROWCONTROLLER_H
00026 #define KDGANTTABSTRACTROWCONTROLLER_H
00027 
00028 #include <QPair>
00029 #include "kdganttglobal.h"
00030 
00031 class QModelIndex;
00032 
00033 namespace KDGantt {
00034     class KDCHART_EXPORT AbstractRowController {
00035     public:
00036         AbstractRowController();
00037         virtual ~AbstractRowController();
00038 
00039         virtual int headerHeight() const = 0;
00040         virtual int maximumItemHeight() const = 0;
00041         virtual int totalHeight() const = 0;
00042 
00043         virtual bool isRowVisible( const QModelIndex& idx ) const = 0;
00044         virtual bool isRowExpanded( const QModelIndex& idx ) const = 0;
00045         virtual Span rowGeometry( const QModelIndex& idx ) const = 0;
00046 
00047 
00048         virtual QModelIndex indexAt( int height ) const = 0;
00049         virtual QModelIndex indexAbove( const QModelIndex& idx ) const = 0;
00050         virtual QModelIndex indexBelow( const QModelIndex& idx ) const = 0;
00051     };
00052 }
00053 
00054 #endif /* KDGANTTABSTRACTROWCONTROLLER_H */
00055