source: trunk/examples/sql/sqlwidgetmapper/window.cpp@ 506

Last change on this file since 506 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 6.1 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
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.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include <QtGui>
43#include <QtSql>
44
45#include "window.h"
46
47//! [Set up widgets]
48Window::Window(QWidget *parent)
49 : QWidget(parent)
50{
51 setupModel();
52
53 nameLabel = new QLabel(tr("Na&me:"));
54 nameEdit = new QLineEdit();
55 addressLabel = new QLabel(tr("&Address:"));
56 addressEdit = new QTextEdit();
57 typeLabel = new QLabel(tr("&Type:"));
58 typeComboBox = new QComboBox();
59 nextButton = new QPushButton(tr("&Next"));
60 previousButton = new QPushButton(tr("&Previous"));
61
62 nameLabel->setBuddy(nameEdit);
63 addressLabel->setBuddy(addressEdit);
64 typeLabel->setBuddy(typeComboBox);
65//! [Set up widgets]
66
67//! [Set up the mapper]
68 QSqlTableModel *relModel = model->relationModel(typeIndex);
69 typeComboBox->setModel(relModel);
70 typeComboBox->setModelColumn(relModel->fieldIndex("description"));
71
72 mapper = new QDataWidgetMapper(this);
73 mapper->setModel(model);
74 mapper->setItemDelegate(new QSqlRelationalDelegate(this));
75 mapper->addMapping(nameEdit, model->fieldIndex("name"));
76 mapper->addMapping(addressEdit, model->fieldIndex("address"));
77 mapper->addMapping(typeComboBox, typeIndex);
78//! [Set up the mapper]
79
80//! [Set up connections and layouts]
81 connect(previousButton, SIGNAL(clicked()),
82 mapper, SLOT(toPrevious()));
83 connect(nextButton, SIGNAL(clicked()),
84 mapper, SLOT(toNext()));
85 connect(mapper, SIGNAL(currentIndexChanged(int)),
86 this, SLOT(updateButtons(int)));
87
88 QGridLayout *layout = new QGridLayout();
89 layout->addWidget(nameLabel, 0, 0, 1, 1);
90 layout->addWidget(nameEdit, 0, 1, 1, 1);
91 layout->addWidget(previousButton, 0, 2, 1, 1);
92 layout->addWidget(addressLabel, 1, 0, 1, 1);
93 layout->addWidget(addressEdit, 1, 1, 2, 1);