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Diffstat (limited to 'examples/sql/cachedtable/tableeditor.cpp')
| -rw-r--r-- | examples/sql/cachedtable/tableeditor.cpp | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/examples/sql/cachedtable/tableeditor.cpp b/examples/sql/cachedtable/tableeditor.cpp new file mode 100644 index 0000000..33ddd54 --- /dev/null +++ b/examples/sql/cachedtable/tableeditor.cpp @@ -0,0 +1,106 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@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] |