source: trunk/examples/xmlpatterns/filetree/filetree.h@ 490

Last change on this file since 490 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 4.0 KB
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1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information (qt-info@nokia.com)
5**
6** This file is part of the examples of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
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12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
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28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
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40****************************************************************************/
41
42#include <QtCore/QFileInfo>
43#include <QtCore/QDir>
44#include <QtCore/QVector>
45#include <QtXmlPatterns/QSimpleXmlNodeModel>
46
47class FileTree : public QSimpleXmlNodeModel
48{
49 public:
50 FileTree(const QXmlNamePool &namePool);
51
52 QXmlNodeModelIndex nodeFor(const QString &fileName) const;
53
54 //! [0]
55 virtual QXmlNodeModelIndex::DocumentOrder compareOrder(const QXmlNodeModelIndex&, const QXmlNodeModelIndex&) const;
56 virtual QXmlName name(const QXmlNodeModelIndex &node) const;
57 virtual QUrl documentUri(const QXmlNodeModelIndex &node) const;
58 virtual QXmlNodeModelIndex::NodeKind kind(const QXmlNodeModelIndex &node) const;
59 virtual QXmlNodeModelIndex root(const QXmlNodeModelIndex &node) const;
60 virtual QVariant typedValue(const QXmlNodeModelIndex &node) const;
61 //! [0]
62 protected:
63 //! [1]
64 virtual QVector<QXmlNodeModelIndex> attributes(const QXmlNodeModelIndex &element) const;
65 virtual QXmlNodeModelIndex nextFromSimpleAxis(SimpleAxis, const QXmlNodeModelIndex&) const;
66 //! [1]
67
68 private:
69 //! [4]
70 enum Type {
71 File,
72 Directory,
73 AttributeFileName,
74 AttributeFilePath,
75 AttributeSize,
76 AttributeMIMEType,
77 AttributeSuffix
78 };
79 //! [4]
80
81 inline QXmlNodeModelIndex nextSibling(const QXmlNodeModelIndex &nodeIndex,
82 const QFileInfo &from,
83 qint8 offset) const;
84 inline const QFileInfo &toFileInfo(const QXmlNodeModelIndex &index) const;
85 inline QXmlNodeModelIndex toNodeIndex(const QFileInfo &index,
86 Type attributeName) const;
87 inline QXmlNodeModelIndex toNodeIndex(const QFileInfo &index) const;
88
89 /*
90 One possible improvement is to use a hash, and use the &*&value()
91 trick to get a pointer, which would be stored in data() instead
92 of the index.
93 */
94 //! [2]
95 mutable QVector<QFileInfo> m_fileInfos;
96 const QDir::Filters m_filterAllowAll;
97 const QDir::SortFlags m_sortFlags;
98 QVector<QXmlName> m_names;
99 //! [2]
100};
101
102 //! [3]
103 //! [3]
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