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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
/*
treeitem.cpp
A container for items of data supplied by the simple tree model.
*/
#include "treeitem.h"
//! [0]
TreeItem::TreeItem(const QList<QVariant> &data, TreeItem *parent)
: m_itemData(data), m_parentItem(parent)
{}
//! [0]
//! [1]
TreeItem::~TreeItem()
{
qDeleteAll(m_childItems);
}
//! [1]
//! [2]
void TreeItem::appendChild(TreeItem *item)
{
m_childItems.append(item);
}
//! [2]
//! [3]
TreeItem *TreeItem::child(int row)
{
if (row < 0 || row >= m_childItems.size())
return nullptr;
return m_childItems.at(row);
}
//! [3]
//! [4]
int TreeItem::childCount() const
{
return m_childItems.count();
}
//! [4]
//! [5]
int TreeItem::columnCount() const
{
return m_itemData.count();
}
//! [5]
//! [6]
QVariant TreeItem::data(int column) const
{
if (column < 0 || column >= m_itemData.size())
return QVariant();
return m_itemData.at(column);
}
//! [6]
//! [7]
TreeItem *TreeItem::parentItem()
{
return m_parentItem;
}
//! [7]
//! [8]
int TreeItem::row() const
{
if (m_parentItem)
return m_parentItem->m_childItems.indexOf(const_cast<TreeItem*>(this));
return 0;
}
//! [8]
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