// ShowDIBDoc.cpp : implementation of the CShowDIBDoc class
//

#include "stdafx.h"
#include "ShowDIB.h"

#include "ShowDIBDoc.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CShowDIBDoc

IMPLEMENT_DYNCREATE(CShowDIBDoc, CDocument)

BEGIN_MESSAGE_MAP(CShowDIBDoc, CDocument)
	//{{AFX_MSG_MAP(CShowDIBDoc)
	ON_COMMAND(ID_FILE_OPEN, OnFileOpen)
	ON_COMMAND(ID_FILE_SAVE_AS, OnFileSaveAs)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CShowDIBDoc construction/destruction

CShowDIBDoc::CShowDIBDoc()
{
	// TODO: add one-time construction code here
	m_pDib = new CDib;
}

CShowDIBDoc::~CShowDIBDoc()
{
	delete m_pDib;
}

BOOL CShowDIBDoc::OnNewDocument()
{
	if (!CDocument::OnNewDocument())
		return FALSE;

	// TODO: add reinitialization code here
	// (SDI documents will reuse this document)

	return TRUE;
}



/////////////////////////////////////////////////////////////////////////////
// CShowDIBDoc serialization

void CShowDIBDoc::Serialize(CArchive& ar)
{
	if (ar.IsStoring())
	{
		// TODO: add storing code here
	}
	else
	{
		// TODO: add loading code here
	}
}

/////////////////////////////////////////////////////////////////////////////
// CShowDIBDoc diagnostics

#ifdef _DEBUG
void CShowDIBDoc::AssertValid() const
{
	CDocument::AssertValid();
}

void CShowDIBDoc::Dump(CDumpContext& dc) const
{
	CDocument::Dump(dc);
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CShowDIBDoc commands

void CShowDIBDoc::OnFileOpen() 
{
	// TODO: Add your command handler code here
	CString strOpenFileType = "位圖文件 (*.bmp;*.dib)|*.bmp; *.dib|All Files (*.*)|*.*||";
	CFileDialog FileDlg(TRUE, "*.bmp", NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, strOpenFileType);
	CString strPath;

	if (FileDlg.DoModal() == IDOK)
	{
		strPath = FileDlg.GetPathName();
	
		CFileException fe;
		CFile file;
		if(!file.Open(strPath, CFile::modeRead | CFile::shareDenyWrite, &fe))
		{
			ReportSaveLoadException(strPath, &fe, FALSE, AFX_IDP_FAILED_TO_OPEN_DOC);
			return;
		}

		BeginWaitCursor();
		if(!m_pDib->Read(&file))
		{
			EndWaitCursor();
			return;
		}
		
 		file.Close();
		SetModifiedFlag(FALSE);
  		UpdateAllViews(NULL);
  		EndWaitCursor();
	}
	
 	return;
}

void CShowDIBDoc::OnFileSaveAs() 
{
	// TODO: Add your command handler code here
	CString strSaveFileType = "位圖文件 (*.bmp;*.dib)|*.bmp; *.dib|All Files (*.*)|*.*||";
	CFileDialog FileDlg(FALSE, "*.bmp", NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, strSaveFileType);

	CFile fileOpen ;
	if( FileDlg.DoModal() == IDOK )
	{
		if(!fileOpen.Open( FileDlg.GetPathName() , CFile::modeCreate|CFile::modeWrite ))
		{
			AfxMessageBox("cannot create the file to save");
			return;
		}
		if(!m_pDib->Write( &fileOpen ))
			return;
		fileOpen.Close();
	}
}