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Diffstat (limited to 'examples/xmlpatterns/filetree/filetree.h')
| -rw-r--r-- | examples/xmlpatterns/filetree/filetree.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/examples/xmlpatterns/filetree/filetree.h b/examples/xmlpatterns/filetree/filetree.h new file mode 100644 index 0000000..7c8f3ca --- /dev/null +++ b/examples/xmlpatterns/filetree/filetree.h @@ -0,0 +1,103 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@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] |