/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the test suite of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef PatternistSDK_TreeModel_H+
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#define PatternistSDK_TreeModel_H+
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+
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#include <QAbstractItemModel>+
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#include <QObject>+
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#include <QPointer>+
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#include <QStringList>+
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+
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#include "Global.h"+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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namespace QPatternistSDK+
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{+
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    class TreeItem;+
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+
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    /**+
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     * @short TreeItem is a generic QAbstractItemModel tailored for+
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     * representing hierarchial data.+
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     *+
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     * TreeModel is an item model in Qt's model/view framework. Its+
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     * data consists of TreeItem instances.+
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     *+
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     * @see TreeItem+
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     * @ingroup PatternistSDK+
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     * @author Frans Englich <frans.englich@nokia.com>+
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     */+
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    class Q_PATTERNISTSDK_EXPORT TreeModel : public QAbstractItemModel+
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    {+
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        Q_OBJECT+
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    public:+
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        TreeModel(const QStringList columnData, QObject *parent);+
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        virtual ~TreeModel();+
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+
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        virtual QVariant data(const QModelIndex &index, int role) const;+
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        virtual Qt::ItemFlags flags(const QModelIndex &index) const;+
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        virtual QVariant headerData(int section,+
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                                    Qt::Orientation orientation,+
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                                    int role = Qt::DisplayRole) const;+
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        virtual QModelIndex index(int row,+
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                                  int column,+
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                                  const QModelIndex &parent = QModelIndex()) const;+
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        virtual QModelIndex parent(const QModelIndex &index) const;+
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        virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;+
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        virtual int columnCount(const QModelIndex &parent = QModelIndex()) const;+
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+
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        TreeItem *root() const;+
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        /**+
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         * Sets @p root to the new root, and deletes the old.+
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         */+
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        void setRoot(TreeItem *root);+
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+
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    protected Q_SLOTS:+
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        void childChanged(TreeItem *child);+
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+
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    private:+
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        QPointer<TreeItem> m_root;+
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        const QStringList m_columnData;+
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    };+
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}+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif+
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// vim: et:ts=4:sw=4:sts=4+
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