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treemodel.h Example File
itemviews/simpletreemodel/treemodel.h

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    **
    ** This file is part of the example classes of the Qt Toolkit.
    **
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    ** accordance with the Qt Preview License Agreement provided with the
    ** Software.
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    #ifndef TREEMODEL_H
    #define TREEMODEL_H

    #include <QAbstractItemModel>
    #include <QModelIndex>
    #include <QVariant>

    class TreeItem;

    class TreeModel : public QAbstractItemModel
    {
        Q_OBJECT

    public:
        TreeModel(const QString &data, QObject *parent = 0);
        ~TreeModel();

        QVariant data(const QModelIndex &index, int role) const;
        Qt::ItemFlags flags(const QModelIndex &index) const;
        QVariant headerData(int section, Qt::Orientation orientation,
                            int role = Qt::DisplayRole) const;
        QModelIndex index(int row, int column,
                          const QModelIndex &parent = QModelIndex()) const;
        QModelIndex parent(const QModelIndex &index) const;
        int rowCount(const QModelIndex &parent = QModelIndex()) const;
        int columnCount(const QModelIndex &parent = QModelIndex()) const;

    private:
        void setupModelData(const QStringList &lines, TreeItem *parent);

        TreeItem *rootItem;
    };

    #endif


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Qt 4.2.0-tp1