#include "StdAfx.h"
#include ".\actionoffsetitem.h"
#include "SigmaDoc.h"
#include "SigmaView.h"
#include "ActionOffsetItem.h"
#include "Visitor.h"

NAction::CActionOffsetItem::CActionOffsetItem()
	: CActionItem(nullptr, 0)
{
}

CActionOffsetItem::CActionOffsetItem(CSigmaDoc * ppDoc, UINT actionType, const CPositionList& list, CPoint2D* pOffset)
: CActionItem(ppDoc,actionType)
{
	int num=(int)list.GetCount();
	if(num>0)
	{
		this->Remember(list);
		Create(num);
		for(int i=0;i<num;i++)
		{
			offset_x[i]=pOffset[i].x0;
			offset_y[i]=pOffset[i].y0;
		}
	}
}

CActionOffsetItem::CActionOffsetItem(CSigmaDoc * ppDoc, UINT actionType, const CPositionList& list, CPoint2D ptOffset)
: CActionItem(ppDoc,actionType)
{
	int num=(int)list.GetCount();
	if(num>0)
	{
		this->Remember(list);
		Create(num);
		for(int i=0;i<num;i++)
		{
			offset_x[i]=ptOffset.x0;
			offset_y[i]=ptOffset.y0;
		}
	}
}

CActionOffsetItem::CActionOffsetItem(CSigmaDoc * ppDoc, UINT actionType, COne* pOne, CPoint2D ptOffset)
: CActionItem(ppDoc,actionType)
{
	if(pOne)
	{
		value.AddTail(pOne);
		Create(1);
		offset_x[0]=ptOffset.x0;
		offset_y[0]=ptOffset.y0;
	}
}

CActionOffsetItem::~CActionOffsetItem(void)
{
	value.RemoveAll();
}

void NAction::CActionOffsetItem::Create(int num)
{
	offset_x.resize(num);
	offset_y.resize(num);
}

void CActionOffsetItem::Redo()
{
	CActionItem::Redo();

	CRect8 range(1e100,-1e100,-1e100,1e100);
	CRect8 rect(1e100,-1e100,-1e100,1e100);
	int i=0;
	COne* pOne;
	POSITION pos = value.GetHeadPosition();
	while (pos != NULL)
	{
		pOne = (COne*)value.GetNext(pos);
		pOne->GetRange(rect);
		pOne->Offset(offset_x[i],offset_y[i]);
		pOne->GetRange(range);
		i++;
	}
	//if(GetDoc()->GetSelectItem())
		//GetDoc()->GetSelectItem()->ReloadTrackerPath();
	Invalidate(rect);
	Invalidate(range);
}

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

void CActionOffsetItem::Undo()
{
	CActionItem::Undo();

	CRect8 range(1e100,-1e100,-1e100,1e100);
	CRect8 rect(1e100,-1e100,-1e100,1e100);
	int i=0;
	COne* pOne;
	POSITION pos = value.GetHeadPosition();
	while (pos != NULL)
	{
		pOne = (COne*)value.GetNext(pos);
		pOne->GetRange(rect);
		pOne->Offset(-offset_x[i],-offset_y[i]);
		pOne->GetRange(range);
		i++;
	}
	//if(GetDoc()->GetSelectItem())
		//GetDoc()->GetSelectItem()->ReloadTrackerPath();
	Invalidate(rect);
	Invalidate(range);
}