#include "StdAfx.h"
#include ".\actionchangelayeritem.h"
#include "SigmaDoc.h"
#include "SigmaView.h"
#include "DrawModel/SplitStr.h"
#include "Visitor.h"

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

CActionChangeLayerItem::CActionChangeLayerItem(CSigmaDoc * ppDoc, UINT actionType,
											   CPositionList& list, CString strOldLayer, CString strNewLayer)
: CActionItem(ppDoc, actionType)
, m_strOldLayer(strOldLayer)
, m_strNewLayer(strNewLayer)
{
	POSITION pos=list.GetHeadPosition();
	POSITION pt;
	while(pos)
	{
		pt=list.GetNext(pos);
		m_eleList.AddTail(pt);
	}  
}

CActionChangeLayerItem::~CActionChangeLayerItem(void)
{
}

void CActionChangeLayerItem::Undo()
{
	CActionItem::Undo();
	
	CSplitStr spliter;
	spliter.SetSplitFlag(";");
	spliter.SetSequenceAsOne(FALSE);
	spliter.SetData(m_strOldLayer);
	CStringArray layers;
	spliter.GetSplitStrArray(layers);
	int nCount = layers.GetCount();
	if (nCount == 1)
	{
		POSITION pt;
		POSITION pos = m_eleList.GetHeadPosition();
		while (pos)
		{
			pt = m_eleList.GetNext(pos);
			GetDoc()->GetDraw()->SetElementLayer(pt, m_strOldLayer);
		}
	}
	else {
		int nIndex = 0;
		POSITION pt;
		POSITION pos = m_eleList.GetHeadPosition();
		while (pos)
		{
			pt = m_eleList.GetNext(pos);
			CString strLayerName("");
			if (nIndex > nCount - 1) {
				strLayerName = layers[nCount - 1];
			}
			else {
				strLayerName = layers[nIndex];
			}
			GetDoc()->GetDraw()->SetElementLayer(pt, strLayerName);
			nIndex++;
		}
	}
	//GetDoc()->InvalidateSelection(m_eleList);
}

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

	POSITION pt;
	POSITION pos=m_eleList.GetHeadPosition();
	while(pos)
	{
		pt=m_eleList.GetNext(pos);
		GetDoc()->GetDraw()->SetElementLayer(pt, m_strNewLayer);
	}
	GetDoc()->InvalidateSelection(m_eleList);
}

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

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////


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

CActionCurveReversalItem::CActionCurveReversalItem(CSigmaDoc * ppDoc, UINT actionType, CPositionList& list)
: CActionItem(ppDoc, actionType)
{
	POSITION pos=list.GetHeadPosition();
	POSITION pt;
	while(pos)
	{
		pt=list.GetNext(pos);
		m_eleList.AddTail(pt);
	}
}

CActionCurveReversalItem::~CActionCurveReversalItem(void)
{
}

void CActionCurveReversalItem::Undo()
{
	CActionItem::Undo();
	
	Reversal();
	GetDoc()->InvalidateSelection(m_eleList);
}

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

	Reversal();
	GetDoc()->InvalidateSelection(m_eleList);
}

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

void NAction::CActionCurveReversalItem::Reversal(void)
{
	COne* pOne;
	CCurveEx* pCurve;
	POSITION pt;
	POSITION pos=m_eleList.GetHeadPosition();
	while(pos)
	{
		pt=m_eleList.GetNext(pos);
		pOne=GetDoc()->GetDraw()->GetAt(pt);
		if(pOne->GetType()!=DOUBLEFOX_CURVE) continue;
		pCurve=(CCurveEx*)pOne->GetValue();
		pCurve->Reversal();
		if(pCurve->bAutoLocation)
			pCurve->GetLocation();
	}
}