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50#ifndef BIRTHDAYPARTY_H
51#define BIRTHDAYPARTY_H
52
53#include <QObject>
54#include <QDate>
55#include <qqml.h>
56#include "person.h"
57
58class BirthdayPartyAttached : public QObject
59{
60 Q_OBJECT
61 Q_PROPERTY(QDate rsvp READ rsvp WRITE setRsvp)
62 QML_ANONYMOUS
63public:
64 BirthdayPartyAttached(QObject *object);
65
66 QDate rsvp() const;
67 void setRsvp(const QDate &);
68
69private:
70 QDate m_rsvp;
71};
72
73class BirthdayParty : public QObject
74{
75 Q_OBJECT
76 Q_PROPERTY(Person *host READ host WRITE setHost)
77 Q_PROPERTY(QQmlListProperty<Person> guests READ guests)
78 Q_CLASSINFO("DefaultProperty", "guests")
79 QML_ELEMENT
80
81//! [declare attached]
82 QML_ATTACHED(BirthdayPartyAttached)
83//! [declare attached]
84
85public:
86 BirthdayParty(QObject *parent = nullptr);
87
88 Person *host() const;
89 void setHost(Person *);
90
91 QQmlListProperty<Person> guests();
92 int guestCount() const;
93 Person *guest(int) const;
94
95 //! [static attached]
96 static BirthdayPartyAttached *qmlAttachedProperties(QObject *);
97 //! [static attached]
98private:
99 Person *m_host;
100 QList<Person *> m_guests;
101};
102
103#endif // BIRTHDAYPARTY_H
104

source code of qtdeclarative/examples/qml/referenceexamples/attached/birthdayparty.h