1/****************************************************************************
2**
3** Copyright (C) 2017 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the examples of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:BSD$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** BSD License Usage
18** Alternatively, you may use this file under the terms of the BSD license
19** as follows:
20**
21** "Redistribution and use in source and binary forms, with or without
22** modification, are permitted provided that the following conditions are
23** met:
24** * Redistributions of source code must retain the above copyright
25** notice, this list of conditions and the following disclaimer.
26** * Redistributions in binary form must reproduce the above copyright
27** notice, this list of conditions and the following disclaimer in
28** the documentation and/or other materials provided with the
29** distribution.
30** * Neither the name of The Qt Company Ltd nor the names of its
31** contributors may be used to endorse or promote products derived
32** from this software without specific prior written permission.
33**
34**
35** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
46**
47** $QT_END_LICENSE$
48**
49****************************************************************************/
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 NOTIFY rsvpChanged)
63 QML_ANONYMOUS
64public:
65 BirthdayPartyAttached(QObject *object);
66
67 QDate rsvp() const;
68 void setRsvp(const QDate &);
69
70signals:
71 void rsvpChanged();
72
73private:
74 QDate m_rsvp;
75};
76
77class BirthdayParty : public QObject
78{
79 Q_OBJECT
80// ![0]
81 Q_PROPERTY(Person *host READ host WRITE setHost NOTIFY hostChanged)
82// ![0]
83 Q_PROPERTY(QQmlListProperty<Person> guests READ guests)
84 Q_PROPERTY(QString announcement READ announcement WRITE setAnnouncement)
85 Q_CLASSINFO("DefaultProperty", "guests")
86 QML_ELEMENT
87 QML_ATTACHED(BirthdayPartyAttached)
88public:
89 BirthdayParty(QObject *parent = nullptr);
90
91 Person *host() const;
92 void setHost(Person *);
93
94 QQmlListProperty<Person> guests();
95 int guestCount() const;
96 Person *guest(int) const;
97
98 QString announcement() const;
99 void setAnnouncement(const QString &);
100
101 static BirthdayPartyAttached *qmlAttachedProperties(QObject *);
102
103 void startParty();
104signals:
105 void partyStarted(const QTime &time);
106 void hostChanged();
107
108private:
109 Person *m_host;
110 QList<Person *> m_guests;
111};
112
113#endif // BIRTHDAYPARTY_H
114

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