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