2b75c156b6
Change-Id: I6441ff931dbd33b698d762e6f6784898f3f60fe7 Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
110 lines
3.6 KiB
C++
110 lines
3.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://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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** You may use this file under the terms of the BSD license 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 <QtSql>
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#include "editablesqlmodel.h"
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EditableSqlModel::EditableSqlModel(QObject *parent)
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: QSqlQueryModel(parent)
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{
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}
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//! [0]
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Qt::ItemFlags EditableSqlModel::flags(
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const QModelIndex &index) const
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{
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Qt::ItemFlags flags = QSqlQueryModel::flags(index);
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if (index.column() == 1 || index.column() == 2)
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flags |= Qt::ItemIsEditable;
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return flags;
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}
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//! [0]
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//! [1]
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bool EditableSqlModel::setData(const QModelIndex &index, const QVariant &value, int /* role */)
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{
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if (index.column() < 1 || index.column() > 2)
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return false;
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QModelIndex primaryKeyIndex = QSqlQueryModel::index(index.row(), 0);
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int id = data(primaryKeyIndex).toInt();
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clear();
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bool ok;
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if (index.column() == 1) {
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ok = setFirstName(id, value.toString());
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} else {
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ok = setLastName(id, value.toString());
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}
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refresh();
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return ok;
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}
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//! [1]
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void EditableSqlModel::refresh()
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{
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setQuery("select * from person");
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setHeaderData(0, Qt::Horizontal, QObject::tr("ID"));
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setHeaderData(1, Qt::Horizontal, QObject::tr("First name"));
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setHeaderData(2, Qt::Horizontal, QObject::tr("Last name"));
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}
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//! [2]
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bool EditableSqlModel::setFirstName(int personId, const QString &firstName)
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{
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QSqlQuery query;
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query.prepare("update person set firstname = ? where id = ?");
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query.addBindValue(firstName);
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query.addBindValue(personId);
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return query.exec();
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}
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//! [2]
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bool EditableSqlModel::setLastName(int personId, const QString &lastName)
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{
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QSqlQuery query;
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query.prepare("update person set lastname = ? where id = ?");
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query.addBindValue(lastName);
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query.addBindValue(personId);
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return query.exec();
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}
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