source: trunk/examples/itemviews/addressbook/tablemodel.cpp@ 846

Last change on this file since 846 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: 4.9 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation (qt-info@nokia.com)
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#include "tablemodel.h"
42
43//! [0]
44TableModel::TableModel(QObject *parent)
45 : QAbstractTableModel(parent)
46{
47}
48
49TableModel::TableModel(QList< QPair<QString, QString> > pairs, QObject *parent)
50 : QAbstractTableModel(parent)
51{
52 listOfPairs=pairs;
53}
54//! [0]
55
56//! [1]
57int TableModel::rowCount(const QModelIndex &parent) const
58{
59 Q_UNUSED(parent);
60 return listOfPairs.size();
61}
62
63int TableModel::columnCount(const QModelIndex &parent) const
64{
65 Q_UNUSED(parent);
66 return 2;
67}
68//! [1]
69
70//! [2]
71QVariant TableModel::data(const QModelIndex &index, int role) const
72{
73 if (!index.isValid())
74 return QVariant();
75
76 if (index.row() >= listOfPairs.size() || index.row() < 0)
77 return QVariant();
78
79 if (role == Qt::DisplayRole) {
80 QPair<QString, QString> pair = listOfPairs.at(index.row());
81
82 if (index.column() == 0)
83 return pair.first;
84 else if (index.column() == 1)
85 return pair.second;
86 }
87 return QVariant();
88}
89//! [2]
90
91//! [3]
92QVariant TableModel::headerData(int section, Qt::Orientation orientation, int role) const
93{
94 if (role != Qt::DisplayRole)
95 return QVariant();
96
97 if (orientation == Qt::Horizontal) {
98 switch (section) {
99 case 0:
100 return tr("Name");
101
102 case 1:
103 return tr("Address");
104
105 default:
106 return QVariant();
107 }
108 }
109 return QVariant();
110}
111//! [3]
112
113//! [4]
114bool TableModel::insertRows(int position, int rows, const QModelIndex &index)
115{
116 Q_UNUSED(index);
117 beginInsertRows(QModelIndex(), position, position+rows-1);
118
119 for (int row=0; row < rows; row++) {
120 QPair<QString, QString> pair(" ", " ");
121 listOfPairs.insert(position, pair);
122 }
123
124 endInsertRows();
125 return true;
126}
127//! [4]
128
129//! [5]
130bool TableModel::removeRows(int position, int rows, const QModelIndex &index)
131{
132 Q_UNUSED(index);
133 beginRemoveRows(QModelIndex(), position, position+rows-1);
134
135 for (int row=0; row < rows; ++row) {
136 listOfPairs.removeAt(position);
137 }
138
139 endRemoveRows();
140 return true;
141}
142//! [5]
143
144//! [6]
145bool TableModel::setData(const QModelIndex &index, const QVariant &value, int role)
146{
147 if (index.isValid() && role == Qt::EditRole) {
148 int row = index.row();
149
150 QPair<QString, QString> p = listOfPairs.value(row);
151
152 if (index.column() == 0)
153 p.first = value.toString();
154 else if (index.column() == 1)
155 p.second = value.toString();
156 else
157 return false;
158
159 listOfPairs.replace(row, p);
160 emit(dataChanged(index, index));
161
162 return true;
163 }
164
165 return false;
166}
167//! [6]
168
169//! [7]
170Qt::ItemFlags TableModel::flags(const QModelIndex &index) const
171{
172 if (!index.isValid())
173 return Qt::ItemIsEnabled;
174
175 return QAbstractTableModel::flags(index) | Qt::ItemIsEditable;
176}
177//! [7]
178
179//! [8]
180QList< QPair<QString, QString> > TableModel::getList()
181{
182 return listOfPairs;
183}
184//! [8]
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