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 | #ifndef QOPCUA_OPCUAVALUENODE_P_H |
5 | #define QOPCUA_OPCUAVALUENODE_P_H |
6 | |
7 | #include <private/opcuanode_p.h> |
8 | #include <private/opcuadatachangefilter_p.h> |
9 | |
10 | #include <QDateTime> |
11 | |
12 | // |
13 | // W A R N I N G |
14 | // ------------- |
15 | // |
16 | // This file is not part of the Qt API. It exists purely as an |
17 | // implementation detail. This header file may change from version to |
18 | // version without notice, or even be removed. |
19 | // |
20 | // We mean it. |
21 | // |
22 | |
23 | QT_BEGIN_NAMESPACE |
24 | |
25 | class OpcUaValueNode : public OpcUaNode |
26 | { |
27 | Q_OBJECT |
28 | Q_DISABLE_COPY(OpcUaValueNode) |
29 | Q_PROPERTY(QVariant value READ value WRITE setValue NOTIFY valueChanged) |
30 | Q_PROPERTY(QOpcUa::Types valueType READ valueType WRITE setValueType) |
31 | Q_PROPERTY(QDateTime serverTimestamp READ serverTimestamp) |
32 | Q_PROPERTY(QDateTime sourceTimestamp READ sourceTimestamp) |
33 | Q_PROPERTY(bool monitored READ monitored WRITE setMonitored NOTIFY monitoredChanged) |
34 | Q_PROPERTY(double publishingInterval READ publishingInterval WRITE setPublishingInterval NOTIFY publishingIntervalChanged) |
35 | Q_PROPERTY(OpcUaDataChangeFilter *filter READ filter WRITE setFilter NOTIFY filterChanged) |
36 | |
37 | QML_NAMED_ELEMENT(ValueNode) |
38 | QML_ADDED_IN_VERSION(5, 12) |
39 | |
40 | public: |
41 | OpcUaValueNode(QObject *parent = nullptr); |
42 | ~OpcUaValueNode(); |
43 | QVariant value() const; |
44 | |
45 | QDateTime serverTimestamp() const; |
46 | QDateTime sourceTimestamp() const; |
47 | bool monitored() const; |
48 | double publishingInterval() const; |
49 | QOpcUa::Types valueType() const; |
50 | OpcUaDataChangeFilter *filter() const; |
51 | void setFilter(OpcUaDataChangeFilter *filter); |
52 | |
53 | public slots: |
54 | void setValue(const QVariant &); |
55 | void setMonitored(bool monitored); |
56 | void setPublishingInterval(double publishingInterval); |
57 | void setValueType(QOpcUa::Types valueType); |
58 | |
59 | |
60 | signals: |
61 | void valueChanged(const QVariant &value); |
62 | void monitoredChanged(bool monitored); |
63 | void publishingIntervalChanged(double publishingInterval); |
64 | void dataChangeOccurred(const QVariant &value); |
65 | void filterChanged(); |
66 | |
67 | private slots: |
68 | void setupNode(const QString &absolutePath) override; |
69 | void updateSubscription(); |
70 | void updateFilters() const; |
71 | |
72 | private: |
73 | bool checkValidity() override; |
74 | bool m_monitored = true; |
75 | bool m_monitoredState = false; |
76 | double m_publishingInterval = 100; |
77 | QOpcUa::Types m_valueType = QOpcUa::Types::Undefined; |
78 | OpcUaDataChangeFilter *m_filter = nullptr; |
79 | }; |
80 | |
81 | QT_END_NAMESPACE |
82 | |
83 | #endif // QOPCUA_OPCUAVALUENODE_P_H |
84 | |