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/****************************************************************************
**
** Copyright (C) 1993-2009 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#pragma once
#ifndef CMDDATAMODELH
#define CMDDATAMODELH
#include "Qt3DSDMHandles.h"
#include "Qt3DSString.h"
class CDoc;
class CDispatch;
namespace qt3dsdm {
class ITransactionConsumer;
class ITransactionProducer;
struct CTransactionConsumer;
struct SApplicationState
{
bool m_Dirty;
qt3dsdm::Qt3DSDMInstanceHandle m_SelectedInstance;
qt3dsdm::Qt3DSDMSlideHandle m_ActiveSlide;
qt3dsdm::Qt3DSDMInstanceHandle m_ActiveLayer;
SApplicationState()
: m_Dirty(false)
{
}
void Store(CDoc &inDoc);
void PreNotify(const SApplicationState &inOther, CDoc &inDoc);
void Notify(const SApplicationState &inOther, CDoc &inDoc);
};
class CmdDataModel
{
public:
QString m_Name;
Q3DStudio::CString m_File;
int m_Line;
CmdDataModel(CDoc &inDoc);
~CmdDataModel();
void SetName(const QString &inName);
QString GetName() const;
bool HasTransactions() const;
bool ConsumerExists() const;
void SetConsumer();
void ReleaseConsumer(bool inRunNotifications = true);
void DataModelUndo();
void DataModelRedo();
void DataModelRollback();
void RunDoNotifications();
void RunUndoNotifications();
void CheckForSelectionChange(Qt3DSDMInstanceHandle inOldInstance,
Qt3DSDMInstanceHandle inNewInstance);
protected:
std::shared_ptr<CTransactionConsumer> m_Consumer;
CDoc &m_Doc;
// The application state before this command
SApplicationState m_BeforeDoAppState;
// The application state after this command.
SApplicationState m_AfterDoAppState;
private:
void SetConsumer(ITransactionProducer *inProducer);
void ReleaseConsumer(ITransactionProducer *inProducer, bool inRunNotifications);
};
struct SScopedDataModelConsumer
{
CmdDataModel &m_Cmd;
bool m_Opened;
SScopedDataModelConsumer(CmdDataModel &cmd)
: m_Cmd(cmd)
, m_Opened(false)
{
if (cmd.ConsumerExists() == false) {
m_Cmd.SetConsumer();
m_Opened = true;
}
}
~SScopedDataModelConsumer()
{
if (m_Opened)
m_Cmd.ReleaseConsumer();
}
};
};
#endif
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