source: trunk/examples/itemviews/simpletreemodel/treeitem.cpp@ 5

Last change on this file since 5 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 2.9 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information (qt-info@nokia.com)
5**
6** This file is part of the examples of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
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36** If you are unsure which license is appropriate for your use, please
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40****************************************************************************/
41
42/*
43 treeitem.cpp
44
45 A container for items of data supplied by the simple tree model.
46*/
47
48#include <QStringList>
49
50#include "treeitem.h"
51
52//! [0]
53TreeItem::TreeItem(const QList<QVariant> &data, TreeItem *parent)
54{
55 parentItem = parent;
56 itemData = data;
57}
58//! [0]
59
60//! [1]
61TreeItem::~TreeItem()
62{
63 qDeleteAll(childItems);
64}
65//! [1]
66
67//! [2]
68void TreeItem::appendChild(TreeItem *item)
69{
70 childItems.append(item);
71}
72//! [2]
73
74//! [3]
75TreeItem *TreeItem::child(int row)
76{
77 return childItems.value(row);
78}
79//! [3]
80
81//! [4]
82int TreeItem::childCount() const
83{
84 return childItems.count();
85}
86//! [4]
87
88//! [5]
89int TreeItem::columnCount() const
90{
91 return itemData.count();
92}
93//! [5]
94
95//! [6]
96QVariant TreeItem::data(int column) const
97{
98 return itemData.value(column);
99}
100//! [6]
101
102//! [7]
103TreeItem *TreeItem::parent()
104{
105 return parentItem;
106}
107//! [7]
108
109//! [8]
110int TreeItem::row() const
111{
112 if (parentItem)
113 return parentItem->childItems.indexOf(const_cast<TreeItem*>(this));
114
115 return 0;
116}
117//! [8]
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