KD Chart 2  [rev.2.7]
KDChartDiagramObserver.h
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22 
23 #ifndef __KDCHARTDIAGRAMOBSERVER_H_
24 #define __KDCHARTDIAGRAMOBSERVER_H_
25 
26 #include "KDChartGlobal.h"
27 
28 #include <QObject>
29 #include <QPointer>
30 #include <QModelIndex>
31 
32 QT_BEGIN_NAMESPACE
33 class QAbstractItemModel;
34 QT_END_NAMESPACE
35 
36 namespace KDChart {
37 
38  class AbstractDiagram;
39 
44  class KDCHART_EXPORT DiagramObserver : public QObject
45  {
46  Q_OBJECT
47  public:
51  explicit DiagramObserver( AbstractDiagram * diagram, QObject* parent = 0 );
52  ~DiagramObserver() override;
53 
54  const AbstractDiagram* diagram() const;
55  AbstractDiagram* diagram();
56 
57  Q_SIGNALS:
60  void diagramDestroyed( AbstractDiagram* diagram );
62  void diagramAboutToBeDestroyed( AbstractDiagram* diagram );
64  void diagramDataChanged( AbstractDiagram* diagram );
66  void diagramDataHidden( AbstractDiagram* diagram );
68  void diagramAttributesChanged( AbstractDiagram* diagram );
69 
70  private Q_SLOTS:
71  void slotDestroyed(QObject*);
72  void slotAboutToBeDestroyed();
73  void slotHeaderDataChanged(Qt::Orientation,int,int);
74  void slotDataChanged(QModelIndex,QModelIndex);
75  void slotDataChanged();
76  void slotDataHidden();
77  void slotAttributesChanged();
78  void slotAttributesChanged(QModelIndex,QModelIndex);
79  void slotModelsChanged();
80 
81  private:
82  void init();
83 
84  AbstractDiagram* m_diagram;
85  QPointer<QAbstractItemModel> m_model;
86  QPointer<QAbstractItemModel> m_attributesmodel;
87  };
88 }
89 
90 #endif // KDChartDiagramObserver_H
A DiagramObserver watches the associated diagram for changes and deletion and emits corresponsing sig...
AbstractDiagram defines the interface for diagram classes.
Class only listed here to document inheritance of some KDChart classes.

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