mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-11-27 06:28:26 +08:00
80 lines
1.2 KiB
C++
80 lines
1.2 KiB
C++
|
// 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]
|