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// Copyright (C) 2018 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 OPCUAVALUENODE_P_H
#define OPCUAVALUENODE_P_H
#include <private/opcuanode_p.h>
#include <private/opcuadatachangefilter_p.h>
#include <QDateTime>
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
QT_BEGIN_NAMESPACE
class OpcUaValueNode : public OpcUaNode
{
Q_OBJECT
Q_DISABLE_COPY(OpcUaValueNode)
Q_PROPERTY(QVariant value READ value WRITE setValue NOTIFY valueChanged)
Q_PROPERTY(QOpcUa::Types valueType READ valueType WRITE setValueType)
Q_PROPERTY(QDateTime serverTimestamp READ serverTimestamp)
Q_PROPERTY(QDateTime sourceTimestamp READ sourceTimestamp)
Q_PROPERTY(bool monitored READ monitored WRITE setMonitored NOTIFY monitoredChanged)
Q_PROPERTY(double publishingInterval READ publishingInterval WRITE setPublishingInterval NOTIFY publishingIntervalChanged)
Q_PROPERTY(OpcUaDataChangeFilter *filter READ filter WRITE setFilter NOTIFY filterChanged)
QML_NAMED_ELEMENT(ValueNode)
QML_ADDED_IN_VERSION(5, 12)
public:
OpcUaValueNode(QObject *parent = nullptr);
~OpcUaValueNode();
QVariant value() const;
QDateTime serverTimestamp() const;
QDateTime sourceTimestamp() const;
bool monitored() const;
double publishingInterval() const;
QOpcUa::Types valueType() const;
OpcUaDataChangeFilter *filter() const;
void setFilter(OpcUaDataChangeFilter *filter);
public slots:
void setValue(const QVariant &);
void setMonitored(bool monitored);
void setPublishingInterval(double publishingInterval);
void setValueType(QOpcUa::Types valueType);
signals:
void valueChanged(const QVariant &value);
void monitoredChanged(bool monitored);
void publishingIntervalChanged(double publishingInterval);
void dataChangeOccurred(const QVariant &value);
void filterChanged();
private slots:
void setupNode(const QString &absolutePath) override;
void updateSubscription();
void updateFilters() const;
private:
bool checkValidity() override;
bool m_monitored = true;
bool m_monitoredState = false;
double m_publishingInterval = 100;
QOpcUa::Types m_valueType = QOpcUa::Types::Undefined;
OpcUaDataChangeFilter *m_filter = nullptr;
};
QT_END_NAMESPACE
#endif // OPCUAVALUENODE_P_H
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