source: trunk/examples/itemviews/addressbook/tablemodel.cpp@ 561

Last change on this file since 561 was 561, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.1 sources.

File size: 4.8 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 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** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this 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.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "tablemodel.h"
43
44//! [0]
45TableModel::TableModel(QObject *parent)
46 : QAbstractTableModel(parent)
47{
48}
49
50TableModel::TableModel(QList< QPair<QString, QString> > pairs, QObject *parent)
51 : QAbstractTableModel(parent)
52{
53 listOfPairs=pairs;
54}
55//! [0]
56
57//! [1]
58int TableModel::rowCount(const QModelIndex &parent) const
59{
60 Q_UNUSED(parent);
61 return listOfPairs.size();
62}
63
64int TableModel::columnCount(const QModelIndex &parent) const
65{
66 Q_UNUSED(parent);
67 return 2;
68}
69//! [1]
70
71//! [2]
72QVariant TableModel::data(const QModelIndex &index, int role) const
73{
74 if (!index.isValid())
75 return QVariant();
76
77 if (index.row() >= listOfPairs.size() || index.row() < 0)
78 return QVariant();
79
80 if (role == Qt::DisplayRole) {
81 QPair<QString, QString> pair = listOfPairs.at(index.row());
82
83 if (index.column() == 0)
84 return pair.first;
85 else if (index.column() == 1)
86 return pair.second;
87 }
88 return QVariant();
89}
90//! [2]
91
92//! [3]
93QVariant TableModel::headerData(int section, Qt::Orientation orientation, int role) const
94{
95 if (role != Qt::DisplayRole)
96 return QVariant();
97
98 if (orientation == Qt::Horizontal) {
99 switch (section) {
100 case 0:
101 return tr("Name");
102
103 case 1:
104 return tr("Address");
105
106 default:
107 return QVariant();
108 }
109 }
110 return QVariant();
111}
112//! [3]
113
114//! [4]
115bool TableModel::insertRows(int position, int rows, const QModelIndex &index)
116{
117 Q_UNUSED(index);
118 beginInsertRows(QModelIndex(), position, position+rows-1);
119
120 for (int row=0; row < rows; row++) {
121 QPair<QString, QString> pair(" ", " ");
122 listOfPairs.insert(position, pair);
123 }
124
125 endInsertRows();
126 return true;
127}
128//! [4]
129
130//! [5]
131bool TableModel::removeRows(int position, int rows, const QModelIndex &index)
132{
133 Q_UNUSED(index);
134 beginRemoveRows(QModelIndex(), position, position+rows-1);
135
136 for (int row=0; row < rows; ++row) {
137 listOfPairs.removeAt(position);
138 }
139
140 endRemoveRows();
141 return true;
142}
143//! [5]
144
145//! [6]
146bool TableModel::setData(const QModelIndex &index, const QVariant &value, int role)
147{
148 if (index.isValid() && role == Qt::EditRole) {
149 int row = index.row();
150
151 QPair<QString, QString> p = listOfPairs.value(row);
152
153 if (index.column() == 0)
154 p.first = value.toString();
155 else if (index.column() == 1)
156 p.second = value.toString();
157 else
158 return false;
159
160 listOfPairs.replace(row, p);
161 emit(dataChanged(index, index));
162
163 return true;
164 }
165
166 return false;
167}
168//! [6]
169
170//! [7]
171Qt::ItemFlags TableModel::flags(const QModelIndex &index) const
172{
173 if (!index.isValid())
174 return Qt::ItemIsEnabled;
175
176 return QAbstractTableModel::flags(index) | Qt::ItemIsEditable;
177}
178//! [7]
179
180//! [8]
181QList< QPair<QString, QString> > TableModel::getList()
182{
183 return listOfPairs;
184}
185//! [8]
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