#include "stdafx.h"
#include "ActionMirrorItem.h"
#include "DrawOperator/One.h"
#include "SigmaDoc.h"
#include "Visitor.h"

namespace NAction
{
	CActionMirrorItem::CActionMirrorItem()
		: CActionItem(nullptr, 0)
	{
	}

	CActionMirrorItem::CActionMirrorItem(CSigmaDoc * ppDoc, UINT actionType, CPositionList& list, REAL* pmatrix, double originX, double originY)
	:CActionItem(ppDoc, actionType),
	 m_moveItem(ppDoc, actionType, list, pmatrix),
	 m_originX(originX),
	 m_originY(originY)
{
	m_selectionSet.AddTail(&list);
}

void CActionMirrorItem::Undo(void)
{
	m_moveItem.Undo();
	Offset();
}

void CActionMirrorItem::Redo(void)
{
	m_moveItem.Redo();
	Offset();
}

void CActionMirrorItem::accept(CActionVisitor& visitor)
{
	visitor.visit(*this);
}

void CActionMirrorItem::Offset()
{
	POSITION pos, pt;
	COne * pOne = 0;
	pos = m_selectionSet.GetHeadPosition();
	while (pos != NULL)
	{
		pt = m_selectionSet.GetNext(pos);
		pOne = (COne*)GetDoc()->GetDraw()->GetAt(pt);
		pOne->Offset(m_originX, m_originY);
	}
}
}