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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "rewritertransaction.h"
#include <abstractview.h>
namespace QmlDesigner {
RewriterTransaction::RewriterTransaction() : m_valid(false)
{
}
RewriterTransaction::RewriterTransaction(AbstractView *_view) : m_view(_view), m_valid(true)
{
Q_ASSERT(view());
view()->emitCustomNotification("__start rewriter transaction__");
}
RewriterTransaction::~RewriterTransaction()
{
commit();
}
bool RewriterTransaction::isValid() const
{
return m_valid;
}
void RewriterTransaction::commit()
{
if (m_valid) {
m_valid = false;
view()->emitCustomNotification("__end rewriter transaction__");
}
}
AbstractView *RewriterTransaction::view()
{
return m_view.data();
}
RewriterTransaction::RewriterTransaction(const RewriterTransaction &other)
: m_valid(false)
{
if (&other != this) {
m_valid = other.m_valid;
m_view = other.m_view;
other.m_valid = false;
}
}
RewriterTransaction& RewriterTransaction::operator=(const RewriterTransaction &other)
{
if (!m_valid && (&other != this)) {
m_valid = other.m_valid;
m_view = other.m_view;
other.m_valid = false;
}
return *this;
}
} //QmlDesigner
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