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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QQMLPROPERTYMAP_H
#define QQMLPROPERTYMAP_H
#include <QtQml/qtqmlglobal.h>
#include <QtCore/QObject>
#include <QtCore/QHash>
#include <QtCore/QStringList>
#include <QtCore/QVariant>
QT_BEGIN_NAMESPACE
class QQmlPropertyMapPrivate;
class Q_QML_EXPORT QQmlPropertyMap : public QObject
{
Q_OBJECT
public:
explicit QQmlPropertyMap(QObject *parent = nullptr);
~QQmlPropertyMap() override;
QVariant value(const QString &key) const;
void insert(const QString &key, const QVariant &value);
void insert(const QVariantHash &values);
void clear(const QString &key);
void freeze();
Q_INVOKABLE QStringList keys() const;
int count() const;
int size() const;
bool isEmpty() const;
bool contains(const QString &key) const;
QVariant &operator[](const QString &key);
QVariant operator[](const QString &key) const;
Q_SIGNALS:
void valueChanged(const QString &key, const QVariant &value);
protected:
virtual QVariant updateValue(const QString &key, const QVariant &input);
template<class DerivedType>
QQmlPropertyMap(DerivedType *derived, QObject *parentObj)
: QQmlPropertyMap(&DerivedType::staticMetaObject, parentObj)
{
Q_UNUSED(derived);
}
private:
QQmlPropertyMap(const QMetaObject *staticMetaObject, QObject *parent);
Q_DECLARE_PRIVATE(QQmlPropertyMap)
Q_DISABLE_COPY(QQmlPropertyMap)
};
QT_END_NAMESPACE
#endif
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