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50#ifndef BIRTHDAYPARTY_H
51#define BIRTHDAYPARTY_H
52
53#include <QObject>
54#include <QDate>
55#include <QDebug>
56#include <qqml.h>
57#include "person.h"
58
59class BirthdayPartyAttached : public QObject
60{
61 Q_OBJECT
62 Q_PROPERTY(QDate rsvp READ rsvp WRITE setRsvp)
63 QML_ANONYMOUS
64public:
65 BirthdayPartyAttached(QObject *object);
66
67 QDate rsvp() const;
68 void setRsvp(const QDate &);
69
70private:
71 QDate m_rsvp;
72};
73
74class BirthdayParty : public QObject
75{
76 Q_OBJECT
77 Q_PROPERTY(Person *host READ host WRITE setHost)
78 Q_PROPERTY(QQmlListProperty<Person> guests READ guests)
79// ![0]
80 Q_PROPERTY(QString announcement READ announcement WRITE setAnnouncement)
81// ![0]
82 Q_CLASSINFO("DefaultProperty", "guests")
83 QML_ELEMENT
84 QML_ATTACHED(BirthdayPartyAttached)
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 QString announcement() const;
96 void setAnnouncement(const QString &);
97
98 static BirthdayPartyAttached *qmlAttachedProperties(QObject *);
99
100 void startParty();
101signals:
102 void partyStarted(const QTime &time);
103
104private:
105 Person *m_host;
106 QList<Person *> m_guests;
107};
108
109#endif // BIRTHDAYPARTY_H
110

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