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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/>.
*/
#ifndef INCLUDED_ATLASWINDOWCOMMAND
#define INCLUDED_ATLASWINDOWCOMMAND
#include "wx/cmdproc.h"
#include "AtlasObject/AtlasObject.h"
class IAtlasSerialiser;
class AtlasWindowCommand : public wxCommand
{
DECLARE_ABSTRACT_CLASS(AtlasWindowCommand);
friend class AtlasWindowCommandProc;
public:
AtlasWindowCommand(bool canUndoIt, const wxString& name)
: wxCommand(canUndoIt, name), m_Finalized(false)
{ }
// Control merging of this command with a future one (so they
// can be undone in a single step). Called after 'Do'.
// The function should try to merge with the previous command,
// by altering that previous command and then returning true.
// If it can't, return false.
virtual bool Merge(AtlasWindowCommand* WXUNUSED(previousCommand)) { return false; }
private:
bool m_Finalized;
};
//////////////////////////////////////////////////////////////////////////
class AtlasCommand_Begin : public AtlasWindowCommand
{
DECLARE_CLASS(AtlasCommand_Begin);
friend class AtlasCommand_End;
public:
AtlasCommand_Begin(const wxString& description, IAtlasSerialiser* object);
bool Do();
bool Undo();
private:
IAtlasSerialiser* m_Object;
AtObj m_PreData, m_PostData;
};
class AtlasCommand_End : public AtlasWindowCommand
{
DECLARE_CLASS(AtlasCommand_End);
public:
AtlasCommand_End() : AtlasWindowCommand(true, _T("[error]")) {}
bool Do() { return true; }
bool Undo() { return false; }
bool Merge(AtlasWindowCommand* previousCommand);
};
#endif // INCLUDED_ATLASWINDOWCOMMAND
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