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Diffstat (limited to 'examples/sql/cachedtable/tableeditor.cpp')
-rw-r--r-- | examples/sql/cachedtable/tableeditor.cpp | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/examples/sql/cachedtable/tableeditor.cpp b/examples/sql/cachedtable/tableeditor.cpp new file mode 100644 index 0000000000..216f729d6f --- /dev/null +++ b/examples/sql/cachedtable/tableeditor.cpp @@ -0,0 +1,105 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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] |