qt5base-lts/examples/itemviews/simpletreemodel/treeitem.cpp

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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
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** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
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** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
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/*
treeitem.cpp
A container for items of data supplied by the simple tree model.
*/
#include <QStringList>
#include "treeitem.h"
//! [0]
TreeItem::TreeItem(const QList<QVariant> &data, TreeItem *parent)
{
parentItem = parent;
itemData = data;
}
//! [0]
//! [1]
TreeItem::~TreeItem()
{
qDeleteAll(childItems);
}
//! [1]
//! [2]
void TreeItem::appendChild(TreeItem *item)
{
childItems.append(item);
}
//! [2]
//! [3]
TreeItem *TreeItem::child(int row)
{
return childItems.value(row);
}
//! [3]
//! [4]
int TreeItem::childCount() const
{
return childItems.count();
}
//! [4]
//! [5]
int TreeItem::columnCount() const
{
return itemData.count();
}
//! [5]
//! [6]
QVariant TreeItem::data(int column) const
{
return itemData.value(column);
}
//! [6]
//! [7]
TreeItem *TreeItem::parent()
{
return parentItem;
}
//! [7]
//! [8]
int TreeItem::row() const
{
if (parentItem)
return parentItem->childItems.indexOf(const_cast<TreeItem*>(this));
return 0;
}
//! [8]