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

Last change on this file was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.

File size: 3.0 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the examples of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:BSD$
10** You may use this file under the terms of the BSD license as follows:
11**
12** "Redistribution and use in source and binary forms, with or without
13** modification, are permitted provided that the following conditions are
14** met:
15** * Redistributions of source code must retain the above copyright
16** notice, this list of conditions and the following disclaimer.
17** * Redistributions in binary form must reproduce the above copyright
18** notice, this list of conditions and the following disclaimer in
19** the documentation and/or other materials provided with the
20** distribution.
21** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
22** the names of its contributors may be used to endorse or promote
23** products derived from this software without specific prior written
24** permission.
25**
26** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
37** $QT_END_LICENSE$
38**
39****************************************************************************/
40
41/*
42 treeitem.cpp
43
44 A container for items of data supplied by the simple tree model.
45*/
46
47#include <QStringList>
48
49#include "treeitem.h"
50
51//! [0]
52TreeItem::TreeItem(const QList<QVariant> &data, TreeItem *parent)
53{
54 parentItem = parent;
55 itemData = data;
56}
57//! [0]
58
59//! [1]
60TreeItem::~TreeItem()
61{
62 qDeleteAll(childItems);
63}
64//! [1]
65
66//! [2]
67void TreeItem::appendChild(TreeItem *item)
68{
69 childItems.append(item);
70}
71//! [2]
72
73//! [3]
74TreeItem *TreeItem::child(int row)
75{
76 return childItems.value(row);
77}
78//! [3]
79
80//! [4]
81int TreeItem::childCount() const
82{
83 return childItems.count();
84}
85//! [4]
86
87//! [5]
88int TreeItem::columnCount() const
89{
90 return itemData.count();
91}
92//! [5]
93
94//! [6]
95QVariant TreeItem::data(int column) const
96{
97 return itemData.value(column);
98}
99//! [6]
100
101//! [7]
102TreeItem *TreeItem::parent()
103{
104 return parentItem;
105}
106//! [7]
107
108//! [8]
109int TreeItem::row() const
110{
111 if (parentItem)
112 return parentItem->childItems.indexOf(const_cast<TreeItem*>(this));
113
114 return 0;
115}
116//! [8]
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