#include "StdAfx.h"
#include "itempointadd.h"
#include "SigmaDoc.h"
#include "SigmaView.h"   
#include "DCHelp.h"

static CPointNameEx * CreatePoint(double x, double y, double z, double angle, const char * pointName);
static CPointTwoName * CreateFractionPoint(double x, double y, double angle, const char * numeratorStr, const char * denominatorStr);

CItemPointAdd::CItemPointAdd(CSigmaDoc * ppDoc)
: CItem(ppDoc)
, m_pCurOne(0)
, m_mode(POINT_MODE_SINGLE)
, m_z(-1E101)
, m_angle(0)
{
	this->SetType(ITEM_POINT);
}

CItemPointAdd::~CItemPointAdd(void)
{
	ClearDisplayPoint();
}

void CItemPointAdd::OnDraw(CXyDC* pDC)
{
	if (m_pCurOne)
		m_pCurOne->Draw(*pDC);
}
bool CItemPointAdd::CreateMemDC(CMemoryDC* pMemDC, CRect rect, CDC* pDC)
{
	if (pMemDC == NULL)
	{
		pMemDC = new CMemoryDC;
		pMemDC->Create(CSize(rect.Width(), rect.Height()), 0, pDC);
	}
	else if (pMemDC->GetSize() != rect.Size())
	{
		pMemDC->Empty();
		pMemDC->Create(CSize(rect.Width(), rect.Height()));
	}

	return true;
}
void CItemPointAdd::UpdateDraw()
{
	CRect rect = m_client;
	CDC* pDC = m_pScreenDC;	
	DCHelp::ClearDC(pDC, m_BackColor);
	pDC->BitBlt(0, 0, rect.Width(), rect.Height(), m_pBackGroundDC, 0, 0, SRCCOPY);
	GetDC()->Create(pDC);
	if (m_pCurOne)
	{
		UpdateOne(m_pCurOne);
	}
	else {
		m_pCurOne = CreateOne();
	}
	m_pCurOne->Draw(*GetDC());	
}

void CItemPointAdd::FillBackGround(CDC* pDes, CDC* pSrc, CRect rect)
{
	int indexX = 0, indexY = 0;
	int nWidth = rect.Width();
	int nHeight = rect.Height();
	for (int y = 0; y < nHeight; ++y)
	{
		for (int x = 0; x < nWidth; ++x)
		{
			indexX = rect.left + x; indexY = rect.top + y;
			pDes->SetPixel(indexX, indexY, pSrc->GetPixel(indexX, indexY));
		}
	}
}
void CItemPointAdd::UpdateOne(COne* pOne)
{
	if (m_type == POINT_TYPE_COMMON)
	{
		CPointNameEx* pPoint = (CPointNameEx*)pOne->GetValue();
		pPoint->x0 = m_pt.x0;
		pPoint->y0 = m_pt.y0;
		pPoint->z0 = m_pt.z0;
		pPoint->angle = m_angle;
		pPoint->SetName(m_pointName);
	}
	else if (m_type == POINT_TYPE_FRACTIOIN)
	{
		CPointTwoName* pPoint = (CPointTwoName*)pOne->GetValue();
		pPoint->x0 = m_pt.x0;
		pPoint->y0 = m_pt.y0;
		pPoint->z0 = m_pt.z0;
		pPoint->angle = m_angle;
		pPoint->m_name1.SetName(m_numeratorString);
		pPoint->m_name2.SetName(m_denominatorString);
	}
}

void CItemPointAdd::DrawAssistant(CDC * pDC, int mouseX, int mouseY)
{
	if (m_pCurOne)
	{
		GetDC()->Create(pDC);
		m_pCurOne->Draw(*GetDC());
	}
}

void CItemPointAdd::OnLButtonDown(CDC *pDC, UINT nFlags, CPoint point, int vk)
{
	CPoint3D pt3D;
	pt3D.x0 = point.x;
	pt3D.y0 = point.y;
	pt3D.z0 = m_z;
	//m_pointName = _T("Point");
	SetPoint(pt3D);
	//GetDC()->Create(pDC);
	SetScreenDC(pDC);
	//this->m_pMemDC = GetView()->m_pImgDC;
	if (m_mode == POINT_MODE_SINGLE)
	{
		//DrawSinglePoint(point);
		UpdateDraw();
	}
	else //POINT_CONTINUE
	{
		//OnBnClickedButtonPointNext();
		AddPoint(pt3D);
	}
}

void CItemPointAdd::ClearDisplayPoint(void)
{
	m_pt.x0 = m_pt.y0 = m_pt.z0 = 0.0;
	m_angle = 0;
	m_z = -1E101;
	m_pointName.Empty();
	m_numeratorString.Empty();
	m_denominatorString.Empty();

	if (m_pCurOne == NULL)
		return ;

	delete m_pCurOne;
	m_pCurOne = NULL;
}

bool CItemPointAdd::GetPoint(double * xOut, double * yOut, double * zOut)
{
	*xOut = m_pt.x0;
	*yOut = m_pt.y0;
	*zOut = m_pt.z0;
	return true;
}

void CItemPointAdd::SetMode(POINT_MODE mode)
{
	m_mode = mode;
	if (m_mode == POINT_MODE_CONTINUE)
	{
		if (m_pCurOne)
		{
			CPointNameEx* pPoint = (CPointNameEx*)m_pCurOne->GetValue();
			COne* pOne = nullptr;
			if (m_type == POINT_TYPE_COMMON)
			{
				CPointNameEx * ptNameEx = CreatePoint(pPoint->x0, pPoint->y0, pPoint->z0, pPoint->angle, pPoint->GetName());
				AddElement(ptNameEx, DOUBLEFOX_POINT);

				CPointNameEx * ptTmp = CreatePoint(pPoint->x0, pPoint->y0, pPoint->z0, pPoint->angle, pPoint->GetName());
				pOne = m_pDoc->GetDraw()->CreateOne(ptTmp, DOUBLEFOX_POINT);
			}
			else if (m_type == POINT_TYPE_FRACTIOIN) {
				CPointTwoName * ptFraction = CreateFractionPoint(pPoint->x0, pPoint->y0, m_angle, m_numeratorString, m_denominatorString);
				AddElement(ptFraction, DOUBLEFOX_TWOPOINT);

				CPointNameEx * ptTmp = CreateFractionPoint(pPoint->x0, pPoint->y0, m_angle, m_numeratorString, m_denominatorString);
				pOne = m_pDoc->GetDraw()->CreateOne(ptTmp, DOUBLEFOX_TWOPOINT);
			}

			CDC* pDC = m_pScreenDC;
			GetDC()->Create(pDC);
			pOne->Draw(*GetDC());

			m_pDoc->GetDraw()->RemoveAt(pOne);
			if (pOne != nullptr) {
				delete pOne;
				pOne = nullptr;
			}
		}
	}
}
/************************************************************************/
/* 设置名字                                                             */
/************************************************************************/
void CItemPointAdd::SetPointName(CDC* pDC, LPCTSTR pointName)
{
	//SetScreenDC(pDC);
	m_pointName = pointName;
	//UpdateDraw();
}
void CItemPointAdd::SetPointDefaultName(LPCTSTR pointName)
{
	m_pointName = pointName;
}
void CItemPointAdd::SetPointDefaultZ(double pointZ)
{
	m_z = pointZ;
}
/************************************************************************/
/* 设置角度                                                              */
/************************************************************************/
void CItemPointAdd::SetPointAngle(CDC* pDC, double angle)
{
	SetScreenDC(pDC);
	m_angle = angle;
	UpdateDraw();
}
/************************************************************************/
/* 设置X                                                             */
/************************************************************************/
void CItemPointAdd::SetPointX(CDC* pDC, double x)
{
	//GetDC()->Create(pDC);
	SetScreenDC(pDC);
	m_pt.x0 = x;
	UpdateDraw();

}

/************************************************************************/
/* 设置X                                                             */
/************************************************************************/
void CItemPointAdd::SetPointY(CDC* pDC, double y)
{
	//GetDC()->Create(pDC);
	SetScreenDC(pDC);
	m_pt.y0 = y;
	UpdateDraw();
	//ChangeAngleOrNameOfCOne();
}
void CItemPointAdd::SetPointZ(CDC* pDC, double z)
{
	m_pt.z0 = z;
}
void CItemPointAdd::ChangeAngle(double angle)
{
	m_angle = angle;

	//用户在绘图区域拾取到了一个点，在界面中改变了角度值。
	//点的文本方向立即发生变化。
	ChangeAngleOrNameOfCOne();
}

void CItemPointAdd::SetPointType(POINT_TYPE type)
{
	m_type = type;
}

void CItemPointAdd::SetNumeratorString(CDC* pDC, LPCTSTR numeratorStr)
{
	//SetScreenDC(pDC);
	m_numeratorString = numeratorStr;
	//UpdateDraw();
}

void CItemPointAdd::SetDenominatorString(CDC* pDC, LPCTSTR denominatorStr)
{
	//SetScreenDC(pDC);
	m_denominatorString = denominatorStr;
	//UpdateDraw();
}

COne*  CItemPointAdd::CreateOne()
{
	if (m_type == POINT_TYPE_COMMON)
	{
		CPointNameEx* pt = new CPointNameEx;
		pt->x0 = m_pt.x0;
		pt->y0 = m_pt.y0;
		pt->z0 = m_z; // m_pt.z0;
		pt->angle = m_angle;
		pt->SetName(m_pointName);
		return m_pDoc->GetDraw()->CreateOne(pt, DOUBLEFOX_POINT);
	}
	else if (m_type == POINT_TYPE_FRACTIOIN)
	{
		CPointTwoName* pPoint = new CPointTwoName;
		pPoint->x0 = m_pt.x0;
		pPoint->y0 = m_pt.y0;
		pPoint->z0 = m_z; // m_pt.z0;
		pPoint->angle = m_angle;
		pPoint->m_name1.SetName(m_numeratorString);
		pPoint->m_name2.SetName(m_denominatorString);

		return m_pDoc->GetDraw()->CreateOne(pPoint, DOUBLEFOX_TWOPOINT);
	}

	return NULL;
}
COne* CItemPointAdd::CreateOne(double x, double y, double z)
{
	if (m_type == POINT_TYPE_COMMON)
	{
		CPointNameEx * pt = CreatePoint(x, y, z, m_angle, m_pointName);
		return m_pDoc->GetDraw()->CreateOne(pt, DOUBLEFOX_POINT);
	}

	else if (m_type == POINT_TYPE_FRACTIOIN)
	{
		return m_pDoc->GetDraw()->CreateOne(GetFractionPoint(), DOUBLEFOX_TWOPOINT);
	}

	return NULL;
}

void CItemPointAdd::DrawSinglePoint(CPoint3D & point)
{
	CPoint2D pt = GetDC()->GetReal((CPoint2D)point); //将屏幕坐标转换成世界坐标
	m_pt.x0 = pt.x0;
	m_pt.y0 = pt.y0;
	m_pt.z0 = point.z0;
	if (m_pCurOne)
		delete m_pCurOne;

	m_pCurOne = CreateOne(pt.x0, pt.y0, m_pt.z0);
}
void CItemPointAdd::SetPoint(CPoint3D point)
{

	CPoint2D pt = GetDC()->GetReal(point);
	m_pt.x0 = pt.x0;
	m_pt.y0 = pt.y0;
	m_pt.z0 = point.z0;
}

void CItemPointAdd::AddPoint(CPoint3D & point)
{
	CPoint2D pt = GetDC()->GetReal(point);
	m_pt.x0 = pt.x0;
	m_pt.y0 = pt.y0;
	m_pt.z0 = point.z0;
	COne* pOne = nullptr;

	if (m_type == POINT_TYPE_COMMON)
	{
		CPointNameEx * ptNameEx = CreatePoint(pt.x0, pt.y0, m_pt.z0, m_angle, m_pointName);
		AddElement(ptNameEx, DOUBLEFOX_POINT);

		CPointNameEx * ptTmp = CreatePoint(pt.x0, pt.y0, m_pt.z0, m_angle, m_pointName);
		pOne = m_pDoc->GetDraw()->CreateOne(ptTmp, DOUBLEFOX_POINT);
	}
	else if (m_type == POINT_TYPE_FRACTIOIN) {
		CPointTwoName * ptFraction = CreateFractionPoint(pt.x0, pt.y0, m_angle, m_numeratorString, m_denominatorString);
		AddElement(ptFraction, DOUBLEFOX_TWOPOINT);

		CPointNameEx * ptTmp = CreateFractionPoint(pt.x0, pt.y0, m_angle, m_numeratorString, m_denominatorString);
		pOne = m_pDoc->GetDraw()->CreateOne(ptTmp, DOUBLEFOX_TWOPOINT);
	}

	CDC* pDC = m_pScreenDC;
	GetDC()->Create(pDC);
	pOne->Draw(*GetDC());

	m_pDoc->GetDraw()->RemoveAt(pOne);
	if (pOne != nullptr) {
		delete pOne;
		pOne = nullptr;
	}
}

CPointTwoName* CItemPointAdd::GetFractionPoint(void)
{
	CPointTwoName* pPoint = new CPointTwoName;
	pPoint->x0 = 100;
	pPoint->y0 = 200;
	pPoint->angle = 0;
	pPoint->m_name1.SetName(m_numeratorString);
	pPoint->m_name2.SetName(m_denominatorString);
	return pPoint;
}

void CItemPointAdd::ChangeAngleOrNameOfCOne()
{
	if (m_pCurOne == NULL)
		return;

	delete m_pCurOne;
	m_pCurOne = CreateOne(m_pt.x0, m_pt.y0, m_pt.z0);
}

static CPointNameEx * CreatePoint(double x, double y, double z, double angle, const char * pointName)
{
	CPointNameEx* pPoint = new CPointNameEx;
	pPoint->x0 = x;
	pPoint->y0 = y;
	pPoint->z0 = z;
	pPoint->angle = angle;
	pPoint->SetName(pointName);
	return pPoint;
}

static CPointTwoName * CreateFractionPoint(double x, double y, double angle, const char * numeratorStr, const char * denominatorStr)
{
	CPointTwoName* pPoint = new CPointTwoName;
	pPoint->x0 = x;
	pPoint->y0 = y;
	pPoint->angle = angle;
	pPoint->m_name1.SetName(numeratorStr);
	pPoint->m_name2.SetName(denominatorStr);

	return pPoint;
}