#include "StdAfx.h"
//////////////////////////////////////////////////////////////////////////////
//类: ActionMoveItem
//主要功能: 
//
//程序编写:		
/////////////////////////////////////////////////////////////////////////////

#include ".\actionmoveitem.h"
#include "SigmaDoc.h"
#include "SigmaView.h"
#include "Visitor.h"
using namespace NAction;

NAction::CActionMoveItem::CActionMoveItem()
	: CActionItem(nullptr, 0)
{
	m_pXyDC = NULL;
}

CActionMoveItem::CActionMoveItem(CSigmaDoc * ppDoc, UINT actionType, const CPositionList& list, REAL* pmatrix)
: CActionItem(ppDoc,actionType)
{
	SetDC(&ppDoc->GetDC());
	Remember(list);

	memcpy(matrix,pmatrix,sizeof(REAL)*6);
	ConvertRealDistance();
}

CActionMoveItem::CActionMoveItem(CSigmaDoc * ppDoc, UINT actionType, COne* pOne, REAL* pmatrix)
: CActionItem(ppDoc,actionType)
{
	SetDC(&ppDoc->GetDC());
	if(pOne) value.AddTail(pOne);
	memcpy(matrix,pmatrix,sizeof(REAL)*6);
	ConvertRealDistance();
}

CActionMoveItem::~CActionMoveItem(void)
{
	value.RemoveAll();
	if(m_pXyDC)delete m_pXyDC;
	m_pXyDC=NULL;
}

void CActionMoveItem::SetDC(void* pXyDC)
{
	if(m_pXyDC)delete m_pXyDC;
	m_pXyDC=new CXyDC();
	*(CXyDC*)m_pXyDC=*(CXyDC*)pXyDC;
}

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

	ConvertScreenDistance();

	if(m_pXyDC)	//恢复显示比例
		GetDoc()->SetDC(*(CXyDC*)m_pXyDC);

	//GetDoc()->BeginProgress("Undo Transform...");
	CRect8 range(1e100,-1e100,-1e100,1e100);
	CRect8 rect(1e100,-1e100,-1e100,1e100);
	COne* pOne;
	POSITION pos = value.GetTailPosition();
	while (pos != NULL)
	{
		pOne = (COne*)value.GetPrev(pos);
		pOne->GetRange(rect);
		pOne->Transform((CXyDC*)m_pXyDC,matrix,TRUE);
		pOne->GetRange(range);
	}
	//GetDoc()->EndProgress();
	
	if(m_pXyDC)
			GetDoc()->Invalidate();
	else
	{
		Invalidate(rect);
		Invalidate(range);
	}
	//if(GetDoc()->GetSelectItem())
	//	GetDoc()->GetSelectItem()->ReloadTrackerPath();

	ConvertRealDistance();
}

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

	ConvertScreenDistance();

	if(m_pXyDC)
		GetDoc()->SetDC(*(CXyDC*)m_pXyDC);

	//GetDoc()->BeginProgress("Redo Transform...");
	CRect8 range(1e100,-1e100,-1e100,1e100);
	CRect8 rect(1e100,-1e100,-1e100,1e100);
	COne* pOne;
	POSITION pos = value.GetTailPosition();
	while (pos != NULL)
	{
		pOne = (COne*)value.GetPrev(pos);
		pOne->GetRange(rect);
		pOne->Transform((CXyDC*)m_pXyDC,matrix);
		pOne->GetRange(range);
	}
	//GetDoc()->EndProgress();
	if(m_pXyDC)
			GetDoc()->Invalidate();
	else
	{
		Invalidate(rect);
		Invalidate(range);
	}
	//if(GetDoc()->GetSelectItem())
	//	GetDoc()->GetSelectItem()->ReloadTrackerPath();

	ConvertRealDistance();
}

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

void NAction::CActionMoveItem::ConvertRealDistance()
{
	//CXyDC& xyDC = m_pXyDC;

	matrix[4] = ((CXyDC*)m_pXyDC)->GetRealWidth(matrix[4]);
	matrix[5] = ((CXyDC*)m_pXyDC)->GetRealHeight(matrix[5]);
}

void NAction::CActionMoveItem::ConvertScreenDistance()
{
	matrix[4] = ((CXyDC*)m_pXyDC)->GetScreenWidth(matrix[4]);
	matrix[5] = ((CXyDC*)m_pXyDC)->GetScreenHeight(matrix[5]);
}