kdgantt2/kdganttabstractrowcontroller.h

   1 /****************************************************************************
   2  ** Copyright (C) 2001-2006 Klarälvdalens Datakonsult AB.  All rights reserved.
   3  **
   4  ** This file is part of the KD Gantt library.
   5  **
   6  ** This file may be distributed and/or modified under the terms of the
   7  ** GNU General Public License version 2 as published by the Free Software
   8  ** Foundation and appearing in the file LICENSE.GPL included in the
   9  ** packaging of this file.
  10  **
  11  ** Licensees holding valid commercial KD Gantt licenses may use this file in
  12  ** accordance with the KD Gantt Commercial License Agreement provided with
  13  ** the Software.
  14  **
  15  ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
  16  ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  17  **
  18  ** See http://www.kdab.net/kdgantt for
  19  **   information about KD Gantt Commercial License Agreements.
  20  **
  21  ** Contact info@kdab.net if any conditions of this
  22  ** licensing are not clear to you.
  23  **
  24  **********************************************************************/
  25 #ifndef KDGANTTABSTRACTROWCONTROLLER_H
  26 #define KDGANTTABSTRACTROWCONTROLLER_H
  27
  28 #include <QPair>
  29 #include "kdganttglobal.h"
  30
  31 class QModelIndex;
  32
  33 namespace KDGantt {
  34     class KDGANTT_EXPORT AbstractRowController {
  35     public:
  36         AbstractRowController();
  37         virtual ~AbstractRowController();
  38
  39         virtual int headerHeight() const = 0;
  40         virtual int maximumItemHeight() const = 0;
  41         virtual int totalHeight() const = 0;
  42
  43         virtual bool isRowVisible( const QModelIndex& idx ) const = 0;
  44         virtual bool isRowExpanded( const QModelIndex& idx ) const = 0;
  45         virtual Span rowGeometry( const QModelIndex& idx ) const = 0;
  46
  47
  48         virtual QModelIndex indexAt( int height ) const = 0;
  49         virtual QModelIndex indexAbove( const QModelIndex& idx ) const = 0;
  50         virtual QModelIndex indexBelow( const QModelIndex& idx ) const = 0;
  51     };
  52 }
  53
  54 #endif /* KDGANTTABSTRACTROWCONTROLLER_H */
  55