/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtSql>

#include "editablesqlmodel.h"

EditableSqlModel::EditableSqlModel(QObject *parent)
    : QSqlQueryModel(parent)
{
}

//! [0]
def flags(self, index):
    flags = QSqlQueryModel.flags(index)
    if index.column() == 1 or index.column() == 2:
        flags |= Qt.ItemIsEditable
    return flags
//! [0]

//! [1]
def setData(self, index, value, role):
    if index.column() < 1 or index.column() > 2:
        return False

    primaryKeyIndex = QSqlQueryModel.index(index.row(), 0)
    id = self.data(primaryKeyIndex).toInt()

    self.clear()

    ok = False
    if index.column() == 1:
        ok = self.setFirstName(id, value)
    else:
        ok = self.setLastName(id, value)
    self.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]
def setFirstName(self, personId, firstName):
    query = QSqlQuery()
    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();
}
