KD Chart 2 [rev.2.4]
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00001 /**************************************************************************** 00002 ** Copyright (C) 2001-2012 Klaralvdalens Datakonsult AB. All rights reserved. 00003 ** 00004 ** This file is part of the KD Chart library. 00005 ** 00006 ** Licensees holding valid commercial KD Chart licenses may use this file in 00007 ** accordance with the KD Chart Commercial License Agreement provided with 00008 ** the Software. 00009 ** 00010 ** 00011 ** This file may be distributed and/or modified under the terms of the 00012 ** GNU General Public License version 2 and version 3 as published by the 00013 ** Free Software Foundation and appearing in the file LICENSE.GPL.txt included. 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 ** Contact info@kdab.com if any conditions of this licensing are not 00019 ** clear to you. 00020 ** 00021 **********************************************************************/ 00022 00023 #ifndef __KDCHARTDIAGRAMOBSERVER_H_ 00024 #define __KDCHARTDIAGRAMOBSERVER_H_ 00025 00026 #include "KDChartGlobal.h" 00027 00028 #include <QObject> 00029 #include <QPointer> 00030 #include <QModelIndex> 00031 00032 class QAbstractItemModel; 00033 00034 namespace KDChart { 00035 00036 class AbstractDiagram; 00037 00042 class KDCHART_EXPORT DiagramObserver : public QObject 00043 { 00044 Q_OBJECT 00045 public: 00049 explicit DiagramObserver( AbstractDiagram * diagram, QObject* parent = 0 ); 00050 ~DiagramObserver(); 00051 00052 const AbstractDiagram* diagram() const; 00053 AbstractDiagram* diagram(); 00054 00055 Q_SIGNALS: 00058 void diagramDestroyed( AbstractDiagram* diagram ); 00060 void diagramAboutToBeDestroyed( AbstractDiagram* diagram ); 00062 void diagramDataChanged( AbstractDiagram* diagram ); 00064 void diagramDataHidden( AbstractDiagram* diagram ); 00066 void diagramAttributesChanged( AbstractDiagram* diagram ); 00067 00068 private Q_SLOTS: 00069 void slotDestroyed(QObject*); 00070 void slotAboutToBeDestroyed(); 00071 void slotHeaderDataChanged(Qt::Orientation,int,int); 00072 void slotDataChanged(QModelIndex,QModelIndex); 00073 void slotDataChanged(); 00074 void slotDataHidden(); 00075 void slotAttributesChanged(); 00076 void slotAttributesChanged(QModelIndex,QModelIndex); 00077 void slotModelsChanged(); 00078 00079 private: 00080 void init(); 00081 00082 AbstractDiagram* m_diagram; 00083 QPointer<QAbstractItemModel> m_model; 00084 QPointer<QAbstractItemModel> m_attributesmodel; 00085 }; 00086 } 00087 00088 #endif // KDChartDiagramObserver_H