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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "tableeditor.h"
++
++ #include <QDialogButtonBox>
++ #include <QHBoxLayout>
++ #include <QMessageBox>
++ #include <QPushButton>
++ #include <QSqlError>
++ #include <QSqlTableModel>
++ #include <QTableView>
++
++ //! [0]
++ TableEditor::TableEditor(const QString &tableName, QWidget *parent)
++ : QWidget(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);
++ view->resizeColumnsToContents();
++ //! [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, &QPushButton::clicked, this, &TableEditor::submit);
++ connect(revertButton, &QPushButton::clicked, model, &QSqlTableModel::revertAll);
++ connect(quitButton, &QPushButton::clicked, this, &TableEditor::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]