8bfebaa22f
Misc code cleanup for the sql examples: - don't include global Qt headers but only needed ones - use proper tr() where possible - pass parameters by const ref - style fixes Change-Id: I4fd4293948918b9d7b373b6d1e8eeecf6f25a622 Reviewed-by: Samuel Gaist <samuel.gaist@idiap.ch>
75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include "tableeditor.h"
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#include <QDialogButtonBox>
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#include <QHBoxLayout>
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#include <QMessageBox>
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#include <QPushButton>
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#include <QSqlError>
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#include <QSqlTableModel>
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#include <QTableView>
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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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