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Diffstat (limited to 'examples/opcua/opcuaviewer/treeitem.h')
-rw-r--r-- | examples/opcua/opcuaviewer/treeitem.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/examples/opcua/opcuaviewer/treeitem.h b/examples/opcua/opcuaviewer/treeitem.h new file mode 100644 index 0000000..ea7f99b --- /dev/null +++ b/examples/opcua/opcuaviewer/treeitem.h @@ -0,0 +1,104 @@ +/**************************************************************************** +** +** Copyright (C) 2018 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt OPC UA module. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, you may use this file under the terms of the BSD license +** as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef TREEITEM_H +#define TREEITEM_H + +#include <QObject> +#include <QOpcUaNode> +#include <memory> + +QT_BEGIN_NAMESPACE + +class OpcUaModel; + +class TreeItem : public QObject +{ + Q_OBJECT +public: + explicit TreeItem(OpcUaModel *model); + TreeItem(QOpcUaNode *node, OpcUaModel *model, TreeItem *parent); + TreeItem(QOpcUaNode *node, OpcUaModel *model, const QOpcUaReferenceDescription &browsingData, TreeItem *parent); + ~TreeItem(); + TreeItem *child(int row); + int childIndex(const TreeItem *child) const; + int childCount(); + int columnCount() const; + QVariant data(int column); + int row() const; + TreeItem *parentItem(); + void appendChild(TreeItem *child); + QPixmap icon(int column) const; + +private slots: + void startBrowsing(); + void handleAttributes(QOpcUa::NodeAttributes attr); + void browseFinished(QVector<QOpcUaReferenceDescription> children, QOpcUa::UaStatusCode statusCode); + +protected: + std::unique_ptr<QOpcUaNode> mOpcNode; + OpcUaModel *mModel = nullptr; + +private: + bool mAttributesReady = false; + bool mBrowseStarted = false; + QList<TreeItem *> mChildItems; + TreeItem *mParentItem = nullptr; + +private: + QString mNodeBrowseName; + QString mNodeId; + QString mNodeDisplayName; + QOpcUa::NodeClass mNodeClass = QOpcUa::NodeClass::Undefined; +}; + +QT_END_NAMESPACE + +#endif // TREEITEM_H |