|
1 /**************************************************************************** |
|
2 ** |
|
3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
|
4 ** All rights reserved. |
|
5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
|
6 ** |
|
7 ** This file is part of the examples of the Qt Toolkit. |
|
8 ** |
|
9 ** $QT_BEGIN_LICENSE:LGPL$ |
|
10 ** No Commercial Usage |
|
11 ** This file contains pre-release code and may not be distributed. |
|
12 ** You may use this file in accordance with the terms and conditions |
|
13 ** contained in the Technology Preview License Agreement accompanying |
|
14 ** this package. |
|
15 ** |
|
16 ** GNU Lesser General Public License Usage |
|
17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
|
18 ** General Public License version 2.1 as published by the Free Software |
|
19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
|
20 ** packaging of this file. Please review the following information to |
|
21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
|
22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
|
23 ** |
|
24 ** In addition, as a special exception, Nokia gives you certain additional |
|
25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
|
26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
|
27 ** |
|
28 ** If you have questions regarding the use of this file, please contact |
|
29 ** Nokia at qt-info@nokia.com. |
|
30 ** |
|
31 ** |
|
32 ** |
|
33 ** |
|
34 ** |
|
35 ** |
|
36 ** |
|
37 ** |
|
38 ** $QT_END_LICENSE$ |
|
39 ** |
|
40 ****************************************************************************/ |
|
41 |
|
42 #include <QtCore/QFileInfo> |
|
43 #include <QtCore/QDir> |
|
44 #include <QtCore/QVector> |
|
45 #include <QtXmlPatterns/QSimpleXmlNodeModel> |
|
46 |
|
47 class 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] |