Qt 4.2: domitem.cpp Example File (itemviews/simpledommodel/domitem.cpp)

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# domitem.cpp Example File
itemviews/simpledommodel/domitem.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
     ** License version 2.0 as published by the Free Software Foundation
     ** and appearing in the file LICENSE.GPL included in the packaging of
     ** this file.  Please review the following information to ensure GNU
     ** General Public Licensing requirements will be met:
     ** http://www.trolltech.com/products/qt/opensource.html
     **
     ** If you are unsure which license is appropriate for your use, please
     ** review the following information:
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     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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     ****************************************************************************/

     #include <QtXml>

     #include "domitem.h"

     DomItem::DomItem(QDomNode &node, int row, DomItem *parent)
     {
         domNode = node;
         // Record the item's location within its parent.
         rowNumber = row;
         parentItem = parent;
     }

     DomItem::~DomItem()
     {
         QHash<int,DomItem*>::iterator it;
         for (it = childItems.begin(); it != childItems.end(); ++it)
             delete it.value();
     }

     QDomNode DomItem::node() const
     {
         return domNode;
     }

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

     DomItem *DomItem::child(int i)
     {
         if (childItems.contains(i))
             return childItems[i];

         if (i >= 0 && i < domNode.childNodes().count()) {
             QDomNode childNode = domNode.childNodes().item(i);
             DomItem *childItem = new DomItem(childNode, i, this);
             childItems[i] = childItem;
             return childItem;
         }
         return 0;
     }

     int DomItem::row()
     {
         return rowNumber;
     }