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/* Copyright (C) 2009 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "AtlasWindowCommand.h"
#include "IAtlasSerialiser.h"
IMPLEMENT_ABSTRACT_CLASS(AtlasWindowCommand, wxCommand);
IMPLEMENT_CLASS(AtlasCommand_Begin, AtlasWindowCommand);
IMPLEMENT_CLASS(AtlasCommand_End, AtlasWindowCommand);
AtlasCommand_Begin::AtlasCommand_Begin(const wxString& description, IAtlasSerialiser* object)
: AtlasWindowCommand(true, description),
m_Object(object),
m_PreData(object->FreezeData())
{
}
bool AtlasCommand_Begin::Do()
{
if (m_PostData.defined())
m_Object->ThawData(m_PostData);
return true;
}
bool AtlasCommand_Begin::Undo()
{
m_Object->ThawData(m_PreData);
return true;
}
bool AtlasCommand_End::Merge(AtlasWindowCommand* command)
{
AtlasCommand_Begin* previousCommand = wxDynamicCast(command, AtlasCommand_Begin);
if (! previousCommand)
{
wxLogError(_("Internal error - invalid _end merge"));
return false;
}
previousCommand->m_PostData = previousCommand->m_Object->FreezeData();
return true;
}
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