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29
30#ifndef CUSTOMFORMATTER_H
31#define CUSTOMFORMATTER_H
32
33#include <QtDataVisualization/QValue3DAxisFormatter>
34#include <QtCore/QDateTime>
35#include <QtCore/QVector>
36
37using namespace QtDataVisualization;
38
39//! [2]
40class CustomFormatter : public QValue3DAxisFormatter
41{
42 //! [2]
43 Q_OBJECT
44
45 //! [1]
46 Q_PROPERTY(QDate originDate READ originDate WRITE setOriginDate NOTIFY originDateChanged)
47 //! [1]
48 //! [3]
49 Q_PROPERTY(QString selectionFormat READ selectionFormat WRITE setSelectionFormat NOTIFY selectionFormatChanged)
50 //! [3]
51public:
52 explicit CustomFormatter(QObject *parent = 0);
53 virtual ~CustomFormatter();
54
55 //! [0]
56 virtual QValue3DAxisFormatter *createNewInstance() const;
57 virtual void populateCopy(QValue3DAxisFormatter &copy) const;
58 virtual void recalculate();
59 virtual QString stringForValue(qreal value, const QString &format) const;
60 //! [0]
61
62 QDate originDate() const;
63 QString selectionFormat() const;
64
65public Q_SLOTS:
66 void setOriginDate(const QDate &date);
67 void setSelectionFormat(const QString &format);
68
69Q_SIGNALS:
70 void originDateChanged(const QDate &date);
71 void selectionFormatChanged(const QString &format);
72
73private:
74 Q_DISABLE_COPY(CustomFormatter)
75
76 QDateTime valueToDateTime(qreal value) const;
77
78 QDate m_originDate;
79 QString m_selectionFormat;
80};
81
82#endif
83

source code of qtdatavis3d/examples/datavisualization/qmlaxisformatter/customformatter.h