/****************************************************************************+
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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 tools applications 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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**+
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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 FEATURETREEMODEL_H+
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#define FEATURETREEMODEL_H+
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+
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#include <QAbstractItemModel>+
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#include <QMap>+
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#include <QHash>+
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#include <QTextStream>+
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+
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QT_BEGIN_NAMESPACE+
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+
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class Feature;+
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class Node;+
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+
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uint qHash(const QModelIndex&);+
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+
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class FeatureTreeModel : public QAbstractItemModel+
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{+
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    Q_OBJECT+
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+
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public:+
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    FeatureTreeModel(QObject *parent = 0);+
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    ~FeatureTreeModel();+
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+
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    void clear();+
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    +
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    QVariant data(const QModelIndex &index, int role) const;+
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    bool setData(const QModelIndex &index, const QVariant &value, int role);+
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    Qt::ItemFlags flags(const QModelIndex &index) const;+
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    QVariant headerData(int section, Qt::Orientation orientation,+
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                        int role = Qt::DisplayRole) const;+
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    QModelIndex index(int row, int column,+
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                      const QModelIndex &parent = QModelIndex()) const;+
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    QModelIndex index(const Feature *feature) const;    +
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    QModelIndex parent(const QModelIndex &index) const;+
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    int rowCount(const QModelIndex &parent = QModelIndex()) const;+
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    int columnCount(const QModelIndex &parent = QModelIndex()) const;+
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+
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    void addFeature(Feature *feature);    +
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    Feature* getFeature(const QModelIndex &index) const;+
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+
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    void readConfig(QTextStream &stream);+
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    void writeConfig(QTextStream &stream) const;+
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    +
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public slots:+
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    void featureChanged();+
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    +
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private:+
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    QModelIndex createIndex(int row, int column,+
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                            const QModelIndex &parent,+
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                            const Node *feature) const;    +
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    QModelIndex index(const QModelIndex &parent, const Feature *feature) const;+
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    bool contains(const QString &section, const Feature *f) const;+
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    Node* find(const QString &section, const Feature *f) const;+
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    QStringList findDisabled(const QModelIndex &parent) const;    +
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    +
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    QMap<QString, QList<Node*> > sections;+
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    mutable QHash<QModelIndex, QModelIndex> parentMap;+
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    mutable QHash<const Feature*, QModelIndex> featureIndexMap;    +
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};+
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+
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QT_END_NAMESPACE+
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+
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#endif // FEATURETREEMODEL_H+
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