#pragma once
#include "stdafx.h"
#include "ActionCurveEditDeletePoint.h"
#include "SigmaDoc.h"
#include "Visitor.h"

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

	CActionCurveEditDeletePoint::CActionCurveEditDeletePoint(CSigmaDoc * pDoc, UINT actionType, POSITION pos)
	:CActionItem(pDoc, actionType),
	 m_posOfCurve(pos),
	 m_index(-1)
{
}

void CActionCurveEditDeletePoint::Undo()
{
	CCurveEx * pCurve = GetCurve();
	if (pCurve == 0)
		return;

	if (m_index < 0 || m_index > pCurve->num)
		return;

	CPointList ptList;
	dfPoint dd;
	for (int i = 0; i < pCurve->num; i++)
	{
		dd.x0 = pCurve->x[i];
		dd.y0 = pCurve->y[i];
		dd.z0 = pCurve->z[i];
		dd.l = pCurve->l[i];

		if (i == m_index)
		{
			ptList.AddTail(nodeAdded);
		}

		ptList.AddTail(dd);
	}

	pCurve->SetPoints(ptList, pCurve->nPoint, pCurve->bAutoLocation);
}

void CActionCurveEditDeletePoint::Redo()
{
	CCurveEx * pCurve = GetCurve();
	if (pCurve == 0)
		return;

	if (m_index < 0 || m_index >= pCurve->num)
		return;

	CPointList ptList;
	dfPoint dd;
	for (int i = 0; i < pCurve->num; i++)
	{
		dd.x0 = pCurve->x[i];
		dd.y0 = pCurve->y[i];
		dd.z0 = pCurve->z[i];
		dd.l = pCurve->l[i];

		if (i == m_index)
			continue;

		ptList.AddTail(dd);
	}

	pCurve->SetPoints(ptList, pCurve->nPoint, pCurve->bAutoLocation);
}

void CActionCurveEditDeletePoint::SetNodeDeleted(dfPoint & node, int index)
{
	nodeAdded = node;
	m_index = index;
}

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

CCurveEx * CActionCurveEditDeletePoint::GetCurve()
{
	COne * pOne = GetDoc()->GetDraw()->GetAt(m_posOfCurve);
	if (pOne == 0)
		return 0;

	if (pOne->GetType() != DOUBLEFOX_CURVE)
		return 0;

	CCurveEx * pCurve = (CCurveEx*)GetDoc()->GetDraw()->GetAtValue(m_posOfCurve);
	return pCurve;
}
}