1 files changed, 117 insertions, 0 deletions
diff --git a/examples/qml/tutorials/extending-qml-advanced/advanced5-Attached-properties/birthdayparty.cpp b/examples/qml/tutorials/extending-qml-advanced/advanced5-Attached-properties/birthdayparty.cpp
new file mode 100644
index 0000000000..0379a7accf
--- /dev/null
+++ b/examples/qml/tutorials/extending-qml-advanced/advanced5-Attached-properties/birthdayparty.cpp
@@ -0,0 +1,117 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "birthdayparty.h"
+
+QDate BirthdayPartyAttached::rsvp() const
+{
+    return m_rsvp;
+}
+
+void BirthdayPartyAttached::setRsvp(QDate rsvpDate)
+{
+    if (m_rsvp != rsvpDate) {
+        m_rsvp = rsvpDate;
+        emit rsvpChanged();
+    }
+}
+
+Person *BirthdayParty::host() const
+{
+    return m_host;
+}
+
+void BirthdayParty::setHost(Person *host)
+{
+    if (m_host != host) {
+        m_host = host;
+        emit hostChanged();
+    }
+}
+
+QQmlListProperty<Person> BirthdayParty::guests()
+{
+    return { this,
+             this,
+             &BirthdayParty::appendGuest,
+             &BirthdayParty::guestCount,
+             &BirthdayParty::guest,
+             &BirthdayParty::clearGuests,
+             &BirthdayParty::replaceGuest,
+             &BirthdayParty::removeLastGuest };
+}
+
+void BirthdayParty::appendGuest(Person *guest)
+{
+    m_guests.append(guest);
+    emit guestsChanged();
+}
+
+qsizetype BirthdayParty::guestCount() const
+{
+    return m_guests.count();
+}
+
+Person *BirthdayParty::guest(qsizetype index) const
+{
+    return m_guests.at(index);
+}
+
+void BirthdayParty::clearGuests()
+{
+    if (!m_guests.empty()) {
+        m_guests.clear();
+        emit guestsChanged();
+    }
+}
+
+void BirthdayParty::replaceGuest(qsizetype index, Person *guest)
+{
+    if (m_guests.size() > index) {
+        m_guests[index] = guest;
+        emit guestsChanged();
+    }
+}
+
+void BirthdayParty::removeLastGuest()
+{
+    if (!m_guests.empty()) {
+        m_guests.removeLast();
+        emit guestsChanged();
+    }
+}
+
+void BirthdayParty::appendGuest(QQmlListProperty<Person> *list, Person *guest)
+{
+    static_cast<BirthdayParty *>(list->data)->appendGuest(guest);
+}
+
+void BirthdayParty::clearGuests(QQmlListProperty<Person> *list)
+{
+    static_cast<BirthdayParty *>(list->data)->clearGuests();
+}
+
+void BirthdayParty::replaceGuest(QQmlListProperty<Person> *list, qsizetype index, Person *guest)
+{
+    static_cast<BirthdayParty *>(list->data)->replaceGuest(index, guest);
+}
+
+void BirthdayParty::removeLastGuest(QQmlListProperty<Person> *list)
+{
+    static_cast<BirthdayParty *>(list->data)->removeLastGuest();
+}
+
+Person *BirthdayParty::guest(QQmlListProperty<Person> *list, qsizetype index)
+{
+    return static_cast<BirthdayParty *>(list->data)->guest(index);
+}
+
+qsizetype BirthdayParty::guestCount(QQmlListProperty<Person> *list)
+{
+    return static_cast<BirthdayParty *>(list->data)->guestCount();
+}
+
+BirthdayPartyAttached *BirthdayParty::qmlAttachedProperties(QObject *object)
+{
+    return new BirthdayPartyAttached(object);
+}