1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include <QtSql>
#include "tableeditor.h"
//! [0]
TableEditor::TableEditor(const QString &tableName, QWidget *parent)
: QDialog(parent)
{
model = new QSqlTableModel(this);
model->setTable(tableName);
model->setEditStrategy(QSqlTableModel::OnManualSubmit);
model->select();
model->setHeaderData(0, Qt::Horizontal, tr("ID"));
model->setHeaderData(1, Qt::Horizontal, tr("First name"));
model->setHeaderData(2, Qt::Horizontal, tr("Last name"));
//! [0] //! [1]
QTableView *view = new QTableView;
view->setModel(model);
//! [1]
//! [2]
submitButton = new QPushButton(tr("Submit"));
submitButton->setDefault(true);
revertButton = new QPushButton(tr("&Revert"));
quitButton = new QPushButton(tr("Quit"));
buttonBox = new QDialogButtonBox(Qt::Vertical);
buttonBox->addButton(submitButton, QDialogButtonBox::ActionRole);
buttonBox->addButton(revertButton, QDialogButtonBox::ActionRole);
buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);
//! [2]
//! [3]
connect(submitButton, SIGNAL(clicked()), this, SLOT(submit()));
connect(revertButton, SIGNAL(clicked()), model, SLOT(revertAll()));
connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
//! [3]
//! [4]
QHBoxLayout *mainLayout = new QHBoxLayout;
mainLayout->addWidget(view);
mainLayout->addWidget(buttonBox);
setLayout(mainLayout);
setWindowTitle(tr("Cached Table"));
}
//! [4]
//! [5]
void TableEditor::submit()
{
model->database().transaction();
if (model->submitAll()) {
model->database().commit();
} else {
model->database().rollback();
QMessageBox::warning(this, tr("Cached Table"),
tr("The database reported an error: %1")
.arg(model->lastError().text()));
}
}
//! [5]
|
