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path: root/tools/designer/src/lib/shared/scriptcommand.cpp
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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "scriptcommand_p.h"
#include "metadatabase_p.h"

#include <QtDesigner/QDesignerFormWindowInterface>
#include <QtDesigner/QDesignerFormEditorInterface>

#include <QtCore/QCoreApplication>

QT_BEGIN_NAMESPACE

namespace qdesigner_internal {

ScriptCommand::ScriptCommand(QDesignerFormWindowInterface *formWindow) :
    QDesignerFormWindowCommand(QCoreApplication::translate("Command", "Change script"), formWindow)
{
}

bool ScriptCommand::init(const ObjectList &list, const QString &script)
{
    MetaDataBase *metaDataBase = qobject_cast<MetaDataBase*>(formWindow()->core()->metaDataBase());
    if (!metaDataBase)
        return false;

    // Save old values
    m_oldValues.clear();
    foreach (QObject *obj, list) {
        const MetaDataBaseItem* item = metaDataBase->metaDataBaseItem(obj);
        if (!item)
            return false;
        m_oldValues.push_back(ObjectScriptPair(obj, item->script()));
    }
    m_script = script;
    return true;
}

void ScriptCommand::redo()
{
    MetaDataBase *metaDataBase = qobject_cast<MetaDataBase*>(formWindow()->core()->metaDataBase());
    Q_ASSERT(metaDataBase);

    ObjectScriptList::const_iterator cend = m_oldValues.constEnd();
    for (ObjectScriptList::const_iterator it = m_oldValues.constBegin();it != cend; ++it )  {
        if (it->first)
            metaDataBase->metaDataBaseItem(it->first)->setScript(m_script);
    }
}

void ScriptCommand::undo()
{
    MetaDataBase *metaDataBase = qobject_cast<MetaDataBase*>(formWindow()->core()->metaDataBase());
    Q_ASSERT(metaDataBase);

    ObjectScriptList::const_iterator cend = m_oldValues.constEnd();
    for (ObjectScriptList::const_iterator it = m_oldValues.constBegin();it != cend; ++it )  {
        if (it->first)
            metaDataBase->metaDataBaseItem(it->first)->setScript(it->second);
    }
}

} // namespace qdesigner_internal

QT_END_NAMESPACE