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# treeitem.cpp Example File
itemviews/simpletreemodel/treeitem.cpp

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     **
     ** This file is part of the example classes of the Qt Toolkit.
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     /*
         treeitem.cpp

         A container for items of data supplied by the simple tree model.
     */

     #include <QStringList>

     #include "treeitem.h"

     TreeItem::TreeItem(const QList<QVariant> &data, TreeItem *parent)
     {
         parentItem = parent;
         itemData = data;
     }

     TreeItem::~TreeItem()
     {
         qDeleteAll(childItems);
     }

     void TreeItem::appendChild(TreeItem *item)
     {
         childItems.append(item);
     }

     TreeItem *TreeItem::child(int row)
     {
         return childItems.value(row);
     }

     int TreeItem::childCount() const
     {
         return childItems.count();
     }

     int TreeItem::columnCount() const
     {
         return itemData.count();
     }

     QVariant TreeItem::data(int column) const
     {
         return itemData.value(column);
     }

     TreeItem *TreeItem::parent()
     {
         return parentItem;
     }

     int TreeItem::row() const
     {
         if (parentItem)
             return parentItem->childItems.indexOf(const_cast<TreeItem*>(this));

         return 0;
     }