#include "stdafx.h"
#include "CHFZDDlg.h"

IMPLEMENT_DYNAMIC(CHFZDDlg, CDialog)

CHFZDDlg::CHFZDDlg(CWnd* pParent /*=NULL*/)
	: CDialog(IDD_HFZD_DLG, pParent)
	, m_dLen(0)
	, m_dSegLen(0)
	, m_nSegs(30)
	, m_bEraseArc(FALSE)
{

}

CHFZDDlg::~CHFZDDlg()
{
}

void CHFZDDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Text(pDX, IDC_EDIT1, m_dLen);
	DDX_Text(pDX, IDC_EDIT2, m_dSegLen);
	DDX_Text(pDX, IDC_EDIT3, m_nSegs);
	DDX_Check(pDX, IDC_CHECK1, m_bEraseArc);
}

BEGIN_MESSAGE_MAP(CHFZDDlg, CDialog)
	ON_EN_CHANGE(IDC_EDIT3, &CHFZDDlg::OnEnChangeEdit3)
	ON_BN_CLICKED(IDOK, &CHFZDDlg::OnBnClickedOk)
	ON_EN_CHANGE(IDC_EDIT2, &CHFZDDlg::OnEnChangeEdit2)
END_MESSAGE_MAP()

BOOL CHFZDDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	UpdateData();

	OnEnChangeEdit3();

	return TRUE;
}

void CHFZDDlg::OnEnChangeEdit2()
{
	this->UpdateData();
	if (m_dSegLen > 0)
	{
		m_nSegs = (int)(m_dLen / m_dSegLen + 0.5);
		UpdateData(FALSE);
	}
}

void CHFZDDlg::OnEnChangeEdit3()
{
	this->UpdateData();
	if (m_nSegs > 0)
	{
		m_dSegLen = m_dLen / m_nSegs;
		UpdateData(FALSE);
	}
}

void CHFZDDlg::OnBnClickedOk()
{
	this->UpdateData();

	if (m_nSegs <= 2)
	{
		AfxMessageBox(_T("请检查分段合理数,至少3个分段!"));
		return;
	}
	CDialog::OnOK();
}