source: trunk/demos/sqlbrowser/browser.cpp@ 890

Last change on this file since 890 was 846, checked in by Dmitry A. Kuminov, 15 years ago

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

File size: 9.6 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 demonstration applications 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 "browser.h"
43#include "qsqlconnectiondialog.h"
44
45#include <QtGui>
46#include <QtSql>
47
48Browser::Browser(QWidget *parent)
49 : QWidget(parent)
50{
51 setupUi(this);
52
53 table->addAction(insertRowAction);
54 table->addAction(deleteRowAction);
55
56 if (QSqlDatabase::drivers().isEmpty())
57 QMessageBox::information(this, tr("No database drivers found"),
58 tr("This demo requires at least one Qt database driver. "
59 "Please check the documentation how to build the "
60 "Qt SQL plugins."));
61
62 emit statusMessage(tr("Ready."));
63}
64
65Browser::~Browser()
66{
67}
68
69void Browser::exec()
70{
71 QSqlQueryModel *model = new QSqlQueryModel(table);
72 model->setQuery(QSqlQuery(sqlEdit->toPlainText(), connectionWidget->currentDatabase()));
73 table->setModel(model);
74
75 if (model->lastError().type() != QSqlError::NoError)
76 emit statusMessage(model->lastError().text());
77 else if (model->query().isSelect())
78 emit statusMessage(tr("Query OK."));
79 else
80 emit statusMessage(tr("Query OK, number of affected rows: %1").arg(
81 model->query().numRowsAffected()));
82
83 updateActions();
84}
85
86QSqlError Browser::addConnection(const QString &driver, const QString &dbName, const QString &host,
87 const QString &user, const QString &passwd, int port)
88{
89 static int cCount = 0;
90
91 QSqlError err;
92 QSqlDatabase db = QSqlDatabase::addDatabase(driver, QString("Browser%1").arg(++cCount));
93 db.setDatabaseName(dbName);
94 db.setHostName(host);
95 db.setPort(port);
96 if (!db.open(user, passwd)) {