/**************************************************************************** ** ** Copyright (C) 2010 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 #include "editablesqlmodel.h" EditableSqlModel::EditableSqlModel(QObject *parent) : QSqlQueryModel(parent) { } //! [0] Qt::ItemFlags EditableSqlModel::flags( const QModelIndex &index) const { Qt::ItemFlags flags = QSqlQueryModel::flags(index); if (index.column() == 1 || index.column() == 2) flags |= Qt::ItemIsEditable; return flags; } //! [0] //! [1] bool EditableSqlModel::setData(const QModelIndex &index, const QVariant &value, int /* role */) { if (index.column() < 1 || index.column() > 2) return false; QModelIndex primaryKeyIndex = QSqlQueryModel::index(index.row(), 0); int id = data(primaryKeyIndex).toInt(); clear(); bool ok; if (index.column() == 1) { ok = setFirstName(id, value.toString()); } else { ok = setLastName(id, value.toString()); } refresh(); return ok; } //! [1] void EditableSqlModel::refresh() { setQuery("select * from person"); setHeaderData(0, Qt::Horizontal, QObject::tr("ID")); setHeaderData(1, Qt::Horizontal, QObject::tr("First name")); setHeaderData(2, Qt::Horizontal, QObject::tr("Last name")); } //! [2] bool EditableSqlModel::setFirstName(int personId, const QString &firstName) { QSqlQuery query; query.prepare("update person set firstname = ? where id = ?"); query.addBindValue(firstName); query.addBindValue(personId); return query.exec(); } //! [2] bool EditableSqlModel::setLastName(int personId, const QString &lastName) { QSqlQuery query; query.prepare("update person set lastname = ? where id = ?"); query.addBindValue(lastName); query.addBindValue(personId); return query.exec(); }