blob: 59292bbbca90f7f1423682a44b74d10ee2cd8a2e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
// 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]
|