qt-everywhere-src-5.14.1/qtbase/examples/widgets/itemviews/simpledommodel/domitem.cpp

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#include "domitem.h"

#include <QtXml>

//! [0]
DomItem::DomItem(const QDomNode &node, int row, DomItem *parent)
    : domNode(node),
//! [0]
      // Record the item's location within its parent.
//! [1]
      parentItem(parent),
      rowNumber(row)
{}
//! [1]

//! [2]
DomItem::~DomItem()
{
    qDeleteAll(childItems);
}
//! [2]

//! [3]
QDomNode DomItem::node() const
{
    return domNode;
}
//! [3]

//! [4]
DomItem *DomItem::parent()
{
    return parentItem;
}
//! [4]

//! [5]
DomItem *DomItem::child(int i)
{
    DomItem *childItem = childItems.value(i);
    if (childItem)
        return childItem;

    // if child does not yet exist, create it
    if (i >= 0 && i < domNode.childNodes().count()) {
        QDomNode childNode = domNode.childNodes().item(i);
        childItem = new DomItem(childNode, i, this);
        childItems[i] = childItem;
    }
    return childItem;
}
//! [5]

//! [6]
int DomItem::row() const
{
    return rowNumber;
}
//! [6]