// ModifyPatDlg.cpp : implementation file
//

#include "stdafx.h"

#include "ModifyPatDlg.h"
#include "resource.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CModifyPatDlg dialog


CModifyPatDlg::CModifyPatDlg(CWnd* pParent /*=NULL*/)
	: CModelessDialog(CModifyPatDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CModifyPatDlg)
	m_sPatName = _T("");
	m_sSpinScale = _T("1");
	//}}AFX_DATA_INIT
}


void CModifyPatDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CModifyPatDlg)
	DDX_Control(pDX, IDC_SPIN1, m_cSpinScale);
	DDX_Text(pDX, IDC_EDIT_PAT, m_sPatName);
	DDX_Text(pDX, IDC_EDIT_SCALE, m_sSpinScale);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CModifyPatDlg, CModelessDialog)
	//{{AFX_MSG_MAP(CModifyPatDlg)
	ON_EN_CHANGE(IDC_EDIT_SCALE, OnChangeEditScale)
	ON_WM_DESTROY()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CModifyPatDlg message handlers

void CModifyPatDlg::PreView()
{
	AcDbBlockTable *pBlockTab=NULL;
    VERIFY(dbPreview.getSymbolTable(pBlockTab, AcDb::kForWrite)==Acad::eOk);
	AcDbBlockTableRecord *pMspace = new AcDbBlockTableRecord;
	pMspace->setName(_T("*U"));
	pBlockTab->add(pMspace);
	pBlockTab->close();
	
	XPoly2D polyRect(1);
	polyRect.AppendNode(XPoint(0,0));
	polyRect.AppendNode(XPoint(0,1));
	polyRect.AppendNode(XPoint(1,1));
	polyRect.AppendNode(XPoint(1,0));
	AcDbHatch *pHatch = NewHatchFromPoly2D(polyRect,LPCTSTR(m_sPatName),0.1);
	if(pHatch!=NULL)
	{
		if(pMspace->appendAcDbEntity(pHatch)==Acad::eOk)
			pHatch->close();
		else
			delete pHatch;
	}

	m_ctrlPreview.clearAll();
	m_ctrlPreview.init(true);
    m_ctrlPreview.view()->setView(AcGePoint3d(0.5,0.5,1000),AcGePoint3d(0.5,0.5,0),
               AcGeVector3d(0.0, 1.0, 0.0),1,1); 
    m_ctrlPreview.view()->add(pMspace,m_ctrlPreview.model()); 
    pMspace->close();
    Invalidate();
}

BOOL CModifyPatDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();	
	// TODO: Add extra initialization here
	if(!FindFile(_T("acad.pat"), sfilename))
		return FALSE;
	int i = (int)_tcslen(sfilename),j = 0;
	while(j != i - 8)
	{
		sDirname[j] = sfilename[j];
		j++;
	}
	sDirname[j++] = _T('\0');

	CStdioFile file;
	if(!file.Open(LPCTSTR(sfilename),CFile::modeRead))
		return FALSE;
	pats<<file;
	file.Close();

	CString stemp;
	stemp = stemp + sDirname + _T("bak.pat");
	if(!file.Open(LPCTSTR(stemp),CFile::modeCreate|CFile::modeReadWrite))
		return FALSE;
	pats>>file;
	file.Close();
	m_ctrlPreview.SubclassDlgItem(IDC_STATIC_MODIFY,this);
	m_cSpinScale.SetBuddy(GetDlgItem(IDC_EDIT_SCALE));
	m_cSpinScale.SetRange(0,4);
	PreView();
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CModifyPatDlg::OnChangeEditScale() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	UpdateData();
	long i = 0;

	if(!FindFile(_T("bak.pat"), sfilename))
		return ;
	CStdioFile file;
	if(!file.Open(LPCTSTR(sfilename),CFile::modeRead))
		return ;
	pats.Reset();
	pats<<file;
	file.Close();
	
	CString str;
	str = _T("*") + m_sPatName + _T(", Tangent");
	i = pats.Find(str);
	if (i == -1)
	{
		return;
	}
	double dTemp;
	dTemp = _tstof(LPCTSTR(m_sSpinScale));
	pats[i].Scale(dTemp);
	if(!FindFile(_T("acad.pat"), sfilename))
		return ;
	if(!file.Open(LPCTSTR(sfilename),CFile::modeRead))
		return ;
	file.Close();
	CFile::Remove(sfilename);

	if(!file.Open(LPCTSTR(sfilename),CFile::modeCreate|CFile::modeReadWrite))
		return ;
	pats>>file;
	file.Close();
	PreView();	
}
void CModifyPatDlg::OnDestroy() 
{
	CDialog::OnDestroy();	
	// TODO: Add your message handler code here
	m_ctrlPreview.clearAll();
}