// CDocManager class declaration
// class CDocManagerEx : public CDocManager
{
DECLARE_DYNAMIC(CDocManagerEx) // Construction
public:
CDocManagerEx(); // Attributes
public: // Operations
public: // Overrides
// helper for standard commdlg dialogs
virtual BOOL DoPromptFileName(CString& fileName, UINT nIDSTitle,
DWORD lFlags, BOOL bOpenFileDialog, CDocTemplate* pTemplate); // Implementation
public:
virtual ~CDocManagerEx();
};
// DocManager.cpp : implementation file
//
#include "stdafx.h"
#include "PreviewFileDlg.h"
#include "DocManager.h" // the header with the class declaration #ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif static void AppendFilterSuffix(CString& filter, OPENFILENAME& ofn,
CDocTemplate* pTemplate, CString* pstrDefaultExt)
{
ASSERT_VALID(pTemplate);
ASSERT_KINDOF(CDocTemplate, pTemplate); CString strFilterExt, strFilterName;
if (pTemplate->GetDocString(strFilterExt, CDocTemplate::filterExt) &&
!strFilterExt.IsEmpty() &&
pTemplate->GetDocString(strFilterName, CDocTemplate::filterName) &&
!strFilterName.IsEmpty())
{
// a file based document template - add to filter list
#ifndef _MAC
ASSERT(strFilterExt[0] == '.');
#endif
if (pstrDefaultExt != NULL)
{
// set the default extension
#ifndef _MAC
*pstrDefaultExt = ((LPCTSTR)strFilterExt) + 1; // skip the '.'
#else
*pstrDefaultExt = strFilterExt;
#endif
ofn.lpstrDefExt = (LPTSTR)(LPCTSTR)(*pstrDefaultExt);
ofn.nFilterIndex = ofn.nMaxCustFilter + 1; // 1 based number
} // add to filter
filter += strFilterName;
ASSERT(!filter.IsEmpty()); // must have a file type name
filter += (TCHAR)'/0'; // next string please
#ifndef _MAC
filter += (TCHAR)'*';
#endif
filter += strFilterExt;
filter += (TCHAR)'/0'; // next string please
ofn.nMaxCustFilter++;
}
} /////////////////////////////////////////////////////////////////////////////
// CDocManagerEx IMPLEMENT_DYNAMIC(CDocManagerEx, CDocManager) CDocManagerEx::CDocManagerEx()
{
} CDocManagerEx::~CDocManagerEx()
{
} BOOL CDocManagerEx::DoPromptFileName(CString& fileName, UINT nIDSTitle, DWORD lFlags, BOOL bOpenFileDialog, CDocTemplate* pTemplate)
{
CPreviewFileDlg dlgFile(bOpenFileDialog); // this is the only modified line! CString title;
VERIFY(title.LoadString(nIDSTitle)); dlgFile.m_ofn.Flags |= lFlags; CString strFilter;
CString strDefault;
if (pTemplate != NULL)
{
ASSERT_VALID(pTemplate);
AppendFilterSuffix(strFilter, dlgFile.m_ofn, pTemplate, &strDefault);
}
else
{
// do for all doc template
POSITION pos = m_templateList.GetHeadPosition();
BOOL bFirst = TRUE;
while (pos != NULL)
{
CDocTemplate* pTemplate = (CDocTemplate*)m_templateList.GetNext(pos);
AppendFilterSuffix(strFilter, dlgFile.m_ofn, pTemplate,
bFirst ? &strDefault : NULL);
bFirst = FALSE;
}
} // append the "*.*" all files filter
CString allFilter;
VERIFY(allFilter.LoadString(AFX_IDS_ALLFILTER));
strFilter += allFilter;
strFilter += (TCHAR)'/0'; // next string please
#ifndef _MAC
strFilter += _T("*.*");
#else
strFilter += _T("****");
#endif
strFilter += (TCHAR)'/0'; // last string
dlgFile.m_ofn.nMaxCustFilter++; dlgFile.m_ofn.lpstrFilter = strFilter;
#ifndef _MAC
dlgFile.m_ofn.lpstrTitle = title;
#else
dlgFile.m_ofn.lpstrPrompt = title;
#endif
dlgFile.m_ofn.lpstrFile = fileName.GetBuffer(_MAX_PATH); BOOL bResult = dlgFile.DoModal() == IDOK ? TRUE : FALSE;
fileName.ReleaseBuffer();
return bResult;
} | 