117 lines
4.3 KiB
C++
117 lines
4.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtWidgets>
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#include <QtSql>
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#include "tableeditor.h"
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//! [0]
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TableEditor::TableEditor(const QString &tableName, QWidget *parent)
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: QWidget(parent)
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{
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model = new QSqlTableModel(this);
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model->setTable(tableName);
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model->setEditStrategy(QSqlTableModel::OnManualSubmit);
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model->select();
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model->setHeaderData(0, Qt::Horizontal, tr("ID"));
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model->setHeaderData(1, Qt::Horizontal, tr("First name"));
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model->setHeaderData(2, Qt::Horizontal, tr("Last name"));
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//! [0] //! [1]
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QTableView *view = new QTableView;
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view->setModel(model);
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view->resizeColumnsToContents();
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//! [1]
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//! [2]
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submitButton = new QPushButton(tr("Submit"));
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submitButton->setDefault(true);
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revertButton = new QPushButton(tr("&Revert"));
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quitButton = new QPushButton(tr("Quit"));
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buttonBox = new QDialogButtonBox(Qt::Vertical);
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buttonBox->addButton(submitButton, QDialogButtonBox::ActionRole);
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buttonBox->addButton(revertButton, QDialogButtonBox::ActionRole);
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buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);
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//! [2]
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//! [3]
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connect(submitButton, &QPushButton::clicked, this, &TableEditor::submit);
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connect(revertButton, &QPushButton::clicked, model, &QSqlTableModel::revertAll);
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connect(quitButton, &QPushButton::clicked, this, &TableEditor::close);
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//! [3]
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//! [4]
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QHBoxLayout *mainLayout = new QHBoxLayout;
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mainLayout->addWidget(view);
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mainLayout->addWidget(buttonBox);
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setLayout(mainLayout);
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setWindowTitle(tr("Cached Table"));
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}
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//! [4]
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//! [5]
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void TableEditor::submit()
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{
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model->database().transaction();
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if (model->submitAll()) {
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model->database().commit();
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} else {
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model->database().rollback();
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QMessageBox::warning(this, tr("Cached Table"),
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tr("The database reported an error: %1")
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.arg(model->lastError().text()));
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}
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}
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//! [5]
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