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# treeitem.h Example File
itemviews/editabletreemodel/treeitem.h

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     #ifndef TREEITEM_H
     #define TREEITEM_H

     #include <QList>
     #include <QVariant>
     #include <QVector>

     class TreeItem
     {
     public:
         TreeItem(const QVector<QVariant> &data, TreeItem *parent = 0);
         ~TreeItem();

         TreeItem *child(int number);
         int childCount() const;
         int columnCount() const;
         QVariant data(int column) const;
         bool insertChildren(int position, int count, int columns);
         bool insertColumns(int position, int columns);
         TreeItem *parent();
         bool removeChildren(int position, int count);
         bool removeColumns(int position, int columns);
         int childNumber() const;
         bool setData(int column, const QVariant &value);

     private:
         QList<TreeItem*> childItems;
         QVector<QVariant> itemData;
         TreeItem *parentItem;
     };

     #endif