1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/QFileInfo>
#include <QtCore/QDir>
#include <QtCore/QVector>
#include <QtXmlPatterns/QSimpleXmlNodeModel>
class FileTree : public QSimpleXmlNodeModel
{
public:
FileTree(const QXmlNamePool &namePool);
QXmlNodeModelIndex nodeFor(const QString &fileName) const;
//! [0]
virtual QXmlNodeModelIndex::DocumentOrder compareOrder(const QXmlNodeModelIndex&, const QXmlNodeModelIndex&) const;
virtual QXmlName name(const QXmlNodeModelIndex &node) const;
virtual QUrl documentUri(const QXmlNodeModelIndex &node) const;
virtual QXmlNodeModelIndex::NodeKind kind(const QXmlNodeModelIndex &node) const;
virtual QXmlNodeModelIndex root(const QXmlNodeModelIndex &node) const;
virtual QVariant typedValue(const QXmlNodeModelIndex &node) const;
//! [0]
protected:
//! [1]
virtual QVector<QXmlNodeModelIndex> attributes(const QXmlNodeModelIndex &element) const;
virtual QXmlNodeModelIndex nextFromSimpleAxis(SimpleAxis, const QXmlNodeModelIndex&) const;
//! [1]
private:
//! [4]
enum Type {
File,
Directory,
AttributeFileName,
AttributeFilePath,
AttributeSize,
AttributeMIMEType,
AttributeSuffix
};
//! [4]
inline QXmlNodeModelIndex nextSibling(const QXmlNodeModelIndex &nodeIndex,
const QFileInfo &from,
qint8 offset) const;
inline const QFileInfo &toFileInfo(const QXmlNodeModelIndex &index) const;
inline QXmlNodeModelIndex toNodeIndex(const QFileInfo &index,
Type attributeName) const;
inline QXmlNodeModelIndex toNodeIndex(const QFileInfo &index) const;
/*
One possible improvement is to use a hash, and use the &*&value()
trick to get a pointer, which would be stored in data() instead
of the index.
*/
//! [2]
mutable QVector<QFileInfo> m_fileInfos;
const QDir::Filters m_filterAllowAll;
const QDir::SortFlags m_sortFlags;
QVector<QXmlName> m_names;
//! [2]
};
//! [3]
//! [3]
|
