| 1 | /****************************************************************************
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| 2 | **
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| 3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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| 4 | ** Contact: Qt Software Information ([email protected])
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| 5 | **
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| 6 | ** This file is part of the examples of the Qt Toolkit.
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| 7 | **
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| 8 | ** $QT_BEGIN_LICENSE:LGPL$
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| 9 | ** Commercial Usage
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| 10 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 11 | ** accordance with the Qt Commercial License Agreement provided with the
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| 12 | ** Software or, alternatively, in accordance with the terms contained in
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| 13 | ** a written agreement between you and Nokia.
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| 14 | **
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| 15 | ** GNU Lesser General Public License Usage
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| 16 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 17 | ** General Public License version 2.1 as published by the Free Software
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| 18 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 19 | ** packaging of this file. Please review the following information to
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| 20 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 21 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 22 | **
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| 23 | ** In addition, as a special exception, Nokia gives you certain
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| 24 | ** additional rights. These rights are described in the Nokia Qt LGPL
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| 25 | ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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| 26 | ** package.
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| 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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| 36 | ** If you are unsure which license is appropriate for your use, please
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| 37 | ** contact the sales department at [email protected].
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| 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | #include <QtCore/QFileInfo>
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| 43 | #include <QtCore/QDir>
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| 44 | #include <QtCore/QVector>
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| 45 | #include <QtXmlPatterns/QSimpleXmlNodeModel>
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| 46 |
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| 47 | class FileTree : public QSimpleXmlNodeModel
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| 48 | {
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| 49 | public:
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| 50 | FileTree(const QXmlNamePool &namePool);
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| 51 |
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| 52 | QXmlNodeModelIndex nodeFor(const QString &fileName) const;
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| 53 |
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| 54 | //! [0]
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| 55 | virtual QXmlNodeModelIndex::DocumentOrder compareOrder(const QXmlNodeModelIndex&, const QXmlNodeModelIndex&) const;
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| 56 | virtual QXmlName name(const QXmlNodeModelIndex &node) const;
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| 57 | virtual QUrl documentUri(const QXmlNodeModelIndex &node) const;
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| 58 | virtual QXmlNodeModelIndex::NodeKind kind(const QXmlNodeModelIndex &node) const;
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| 59 | virtual QXmlNodeModelIndex root(const QXmlNodeModelIndex &node) const;
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| 60 | virtual QVariant typedValue(const QXmlNodeModelIndex &node) const;
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| 61 | //! [0]
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| 62 | protected:
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| 63 | //! [1]
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| 64 | virtual QVector<QXmlNodeModelIndex> attributes(const QXmlNodeModelIndex &element) const;
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| 65 | virtual QXmlNodeModelIndex nextFromSimpleAxis(SimpleAxis, const QXmlNodeModelIndex&) const;
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| 66 | //! [1]
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| 67 |
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| 68 | private:
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| 69 | //! [4]
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| 70 | enum Type {
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| 71 | File,
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| 72 | Directory,
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| 73 | AttributeFileName,
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| 74 | AttributeFilePath,
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| 75 | AttributeSize,
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| 76 | AttributeMIMEType,
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| 77 | AttributeSuffix
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| 78 | };
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| 79 | //! [4]
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| 80 |
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| 81 | inline QXmlNodeModelIndex nextSibling(const QXmlNodeModelIndex &nodeIndex,
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| 82 | const QFileInfo &from,
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| 83 | qint8 offset) const;
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| 84 | inline const QFileInfo &toFileInfo(const QXmlNodeModelIndex &index) const;
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| 85 | inline QXmlNodeModelIndex toNodeIndex(const QFileInfo &index,
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| 86 | Type attributeName) const;
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| 87 | inline QXmlNodeModelIndex toNodeIndex(const QFileInfo &index) const;
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| 88 |
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| 89 | /*
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| 90 | One possible improvement is to use a hash, and use the &*&value()
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| 91 | trick to get a pointer, which would be stored in data() instead
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| 92 | of the index.
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| 93 | */
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| 94 | //! [2]
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| 95 | mutable QVector<QFileInfo> m_fileInfos;
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| 96 | const QDir::Filters m_filterAllowAll;
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| 97 | const QDir::SortFlags m_sortFlags;
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| 98 | QVector<QXmlName> m_names;
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| 99 | //! [2]
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| 100 | };
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| 101 |
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| 102 | //! [3]
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| 103 | //! [3]
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