// UnitSetDlg.cpp : 实现文件
//

#include "stdafx.h"
#include "UnitSetDlg.h"

IMPLEMENT_DYNAMIC(CUnitSetDlg, CModelessDialog)

CUnitSetDlg::CUnitSetDlg(CWnd* pParent /*=NULL*/)
	:  CModelessDialog(CUnitSetDlg::IDD, pParent)
{
	if (!DocGetMeterUnitDraw())
	{
		if (DocGetMeterUnitDim())
			m_nUnitType=1;
		else
			m_nUnitType=0;
	}
	else
		m_nUnitType=2;
	m_csPScale.Format(_T("%g"), DocGetPScale());
}

CUnitSetDlg::~CUnitSetDlg()
{
}

void CUnitSetDlg::DoDataExchange(CDataExchange* pDX)
{
	CModelessDialog::DoDataExchange(pDX);
	DDX_CBIndex(pDX,IDC_CMB_UNIT, m_nUnitType);//单位换算
	DDX_Control(pDX, IDC_CMB_UNIT, m_cmbUnitSet);
	DDX_Text(pDX, IDC_CMB_PSCALE, m_csPScale);//当前比例
}


BEGIN_MESSAGE_MAP(CUnitSetDlg, CModelessDialog)
	ON_CBN_SELCHANGE(IDC_CMB_UNIT, OnCbnSelchangeUnit)
	ON_BN_CLICKED(IDOK, &CUnitSetDlg::OnBnClickedOk)
END_MESSAGE_MAP()

 
void CUnitSetDlg::OnCbnSelchangeUnit()
{
	int oldType = m_nUnitType;
	UpdateData();

	//m_nUnitType == 1 || m_nUnitType == 0
	//m_nUnitType == 2
	//当从2变 1 或者 0的时候，*1000
	//当1 或者 0b变2的时候，/1000
	if ((oldType == 1 || oldType == 0) && m_nUnitType == 2)
	{
		double dPscale = _wtof(m_csPScale) / 1000.0;
		//m_csPScale = Dist2Str(dPscale);
		m_csPScale.Format(_T("%g"), dPscale);
		UpdateData(FALSE);
	}
	else if (oldType == 2 && (m_nUnitType == 1 || m_nUnitType == 0))
	{
		double dPscale = _wtof(m_csPScale) * 1000.0;
		//m_csPScale = Dist2Str(dPscale);
		m_csPScale.Format(_T("%g"), dPscale);
		UpdateData(FALSE);
	}
}


void CUnitSetDlg::OnBnClickedOk()
{
	UpdateGlobal();
	CModelessDialog::OnOK();
}

void CUnitSetDlg::UpdateGlobal()
{
	if (m_nUnitType==0)
	{
		DocSetMeterUnitDraw(FALSE);
		DocSetMeterUnitDim(FALSE);
	}
	else if (m_nUnitType==1)
	{
		DocSetMeterUnitDraw(FALSE);
		DocSetMeterUnitDim(TRUE);
	}
	else
	{
		DocSetMeterUnitDraw(TRUE);
		DocSetMeterUnitDim(TRUE);
	}

	if (_tstof(m_csPScale)>0) {
		DocSetPScale(_tstof(m_csPScale));
		DocStatus();
	}
}

BOOL CUnitSetDlg::OnInitDialog()
{
	if(!CModelessDialog::OnInitDialog())
		return FALSE;
	((CComboBox*)GetDlgItem(IDC_CMB_UNIT))->InsertString(0, _T("mm                           mm"));
	((CComboBox*)GetDlgItem(IDC_CMB_UNIT))->InsertString(1, _T("mm                           M"));
	((CComboBox*)GetDlgItem(IDC_CMB_UNIT))->InsertString(2, _T("M                              M"));
	UpdateData(FALSE);
	return TRUE;
}

void UnitSet()
{
	CUnitSetDlg dlg;
	if(IDOK == dlg.DoModal())
	{
		dlg.UpdateGlobal();
	}
}