1 | // Copyright (C) 2018 The Qt Company Ltd. |
---|---|
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #pragma once |
5 | |
6 | #include <private/opcuanode_p.h> |
7 | #include <private/opcuadatachangefilter_p.h> |
8 | |
9 | #include <QDateTime> |
10 | |
11 | // |
12 | // W A R N I N G |
13 | // ------------- |
14 | // |
15 | // This file is not part of the Qt API. It exists purely as an |
16 | // implementation detail. This header file may change from version to |
17 | // version without notice, or even be removed. |
18 | // |
19 | // We mean it. |
20 | // |
21 | |
22 | QT_BEGIN_NAMESPACE |
23 | |
24 | class OpcUaValueNode : public OpcUaNode |
25 | { |
26 | Q_OBJECT |
27 | Q_DISABLE_COPY(OpcUaValueNode) |
28 | Q_PROPERTY(QVariant value READ value WRITE setValue NOTIFY valueChanged) |
29 | Q_PROPERTY(QOpcUa::Types valueType READ valueType WRITE setValueType) |
30 | Q_PROPERTY(QDateTime serverTimestamp READ serverTimestamp) |
31 | Q_PROPERTY(QDateTime sourceTimestamp READ sourceTimestamp) |
32 | Q_PROPERTY(bool monitored READ monitored WRITE setMonitored NOTIFY monitoredChanged) |
33 | Q_PROPERTY(double publishingInterval READ publishingInterval WRITE setPublishingInterval NOTIFY publishingIntervalChanged) |
34 | Q_PROPERTY(OpcUaDataChangeFilter *filter READ filter WRITE setFilter NOTIFY filterChanged) |
35 | |
36 | QML_NAMED_ELEMENT(ValueNode) |
37 | QML_ADDED_IN_VERSION(5, 12) |
38 | |
39 | public: |
40 | OpcUaValueNode(QObject *parent = nullptr); |
41 | ~OpcUaValueNode(); |
42 | QVariant value() const; |
43 | |
44 | QDateTime serverTimestamp() const; |
45 | QDateTime sourceTimestamp() const; |
46 | bool monitored() const; |
47 | double publishingInterval() const; |
48 | QOpcUa::Types valueType() const; |
49 | OpcUaDataChangeFilter *filter() const; |
50 | void setFilter(OpcUaDataChangeFilter *filter); |
51 | |
52 | public slots: |
53 | void setValue(const QVariant &); |
54 | void setMonitored(bool monitored); |
55 | void setPublishingInterval(double publishingInterval); |
56 | void setValueType(QOpcUa::Types valueType); |
57 | |
58 | |
59 | signals: |
60 | void valueChanged(const QVariant &value); |
61 | void monitoredChanged(bool monitored); |
62 | void publishingIntervalChanged(double publishingInterval); |
63 | void dataChangeOccurred(const QVariant &value); |
64 | void filterChanged(); |
65 | |
66 | private slots: |
67 | void setupNode(const QString &absolutePath) override; |
68 | void updateSubscription(); |
69 | void updateFilters() const; |
70 | |
71 | private: |
72 | bool checkValidity() override; |
73 | bool m_monitored = true; |
74 | bool m_monitoredState = false; |
75 | double m_publishingInterval = 100; |
76 | QOpcUa::Types m_valueType = QOpcUa::Types::Undefined; |
77 | OpcUaDataChangeFilter *m_filter = nullptr; |
78 | }; |
79 | |
80 | QT_END_NAMESPACE |
81 |