bool CCommonAppUtils::FileOpenSave(CString& path, int * filterindex, UINT title, UINT filterId, bool bOpen, const CString& initialDir, HWND hwndOwner)
{
HRESULT hr;
// Create a new common save file dialog
CComPtr<IFileDialog> pfd = NULL;
hr = pfd.CoCreateInstance(bOpen ? CLSID_FileOpenDialog : CLSID_FileSaveDialog, NULL, CLSCTX_INPROC_SERVER);
if (SUCCEEDED(hr))
{
// Set the dialog options
DWORD dwOptions;
if (SUCCEEDED(hr = pfd->GetOptions(&dwOptions)))
{
if (bOpen)
hr = pfd->SetOptions(dwOptions | FOS_FILEMUSTEXIST | FOS_FORCEFILESYSTEM | FOS_PATHMUSTEXIST);
else
{
hr = pfd->SetOptions(dwOptions | FOS_OVERWRITEPROMPT | FOS_FORCEFILESYSTEM | FOS_PATHMUSTEXIST);
hr = pfd->SetFileName(CPathUtils::GetFileNameFromPath(path));
}
}
// Set a title
if (SUCCEEDED(hr) && title)
{
CString temp;
temp.LoadString(title);
CStringUtils::RemoveAccelerators(temp);
pfd->SetTitle(temp);
}
if (filterId)
{
CSelectFileFilter fileFilter(filterId);
hr = pfd->SetFileTypes(fileFilter.GetCount(), fileFilter);
}
// set the default folder
CComPtr<IShellItem> psiFolder;
if (!initialDir.IsEmpty())
{
hr = SHCreateItemFromParsingName(initialDir, NULL, IID_PPV_ARGS(&psiFolder));
if (SUCCEEDED(hr))
pfd->SetFolder(psiFolder);
hr = S_OK;
}
// Show the save/open file dialog
if (SUCCEEDED(hr) && SUCCEEDED(hr = pfd->Show(hwndOwner)))
{
// Get the selection from the user
CComPtr<IShellItem> psiResult = NULL;
hr = pfd->GetResult(&psiResult);
if (SUCCEEDED(hr))
{
PWSTR pszPath = NULL;
hr = psiResult->GetDisplayName(SIGDN_FILESYSPATH, &pszPath);
if (SUCCEEDED(hr))
{
path = CString(pszPath);
if (filterindex)
{
UINT fi = 0;
pfd->GetFileTypeIndex(&fi);
*filterindex = fi;
}
return true;
}
}
}
}
else
{
OPENFILENAME ofn = {0}; // common dialog box structure
TCHAR szFile[MAX_PATH] = {0}; // buffer for file name. Explorer can't handle paths longer than MAX_PATH.
ofn.lStructSize = sizeof(OPENFILENAME);
ofn.hwndOwner = hwndOwner;
wcscpy_s(szFile, (LPCTSTR)path);
ofn.lpstrFile = szFile;
ofn.nMaxFile = _countof(szFile);
CSelectFileFilter fileFilter;
if (filterId)
{
fileFilter.Load(filterId);
ofn.lpstrFilter = fileFilter;
}
ofn.nFilterIndex = 1;
ofn.lpstrFileTitle = NULL;
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
if (!initialDir.IsEmpty())
ofn.lpstrInitialDir = initialDir;
CString temp;
if (title)
{
temp.LoadString(title);
CStringUtils::RemoveAccelerators(temp);
}
ofn.lpstrTitle = temp;
if (bOpen)
ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY | OFN_EXPLORER;
else
ofn.Flags = OFN_OVERWRITEPROMPT | OFN_EXPLORER;
// Display the Open dialog box.
PreserveChdir preserveDir;
bool bRet = false;
if (bOpen)
{
bRet = !!GetOpenFileName(&ofn);
}
else
{
bRet = !!GetSaveFileName(&ofn);
}
if (bRet)
{
path = CString(ofn.lpstrFile);
if (filterindex)
*filterindex = ofn.nFilterIndex;
return true;
}
}
return false;
}
bool CCommonAppUtils::FileOpenSave(CString& path, int * filterindex, UINT title, UINT filter, bool bOpen, HWND hwndOwner, LPCTSTR defaultExt)
{
OPENFILENAME ofn = {0}; // common dialog box structure
TCHAR szFile[MAX_PATH] = {0}; // buffer for file name. Explorer can't handle paths longer than MAX_PATH.
ofn.lStructSize = sizeof(OPENFILENAME);
ofn.hwndOwner = hwndOwner;
if (path.GetLength() >= MAX_PATH)
{
CString dir = path;
while (true)
{
int index = dir.ReverseFind(_T('\\'));
if (index < 0)
break;
dir = dir.Left(index);
if (PathFileExists(dir))
break;
}
GetShortPathName(dir, szFile, MAX_PATH);
CString remain = path.Right(path.GetLength() - dir.GetLength());
_tcscat_s(szFile, MAX_PATH, remain);
}
else
_tcscpy_s(szFile, MAX_PATH, (LPCTSTR)path);
ofn.lpstrFile = szFile;
ofn.nMaxFile = _countof(szFile);
CSelectFileFilter fileFilter;
if (filter)
{
fileFilter.Load(filter);
ofn.lpstrFilter = fileFilter;
}
ofn.nFilterIndex = 1;
ofn.lpstrFileTitle = NULL;
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.lpstrDefExt = defaultExt;
CString temp;
if (title)
{
temp.LoadString(title);
CStringUtils::RemoveAccelerators(temp);
}
ofn.lpstrTitle = temp;
if (bOpen)
ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY | OFN_EXPLORER;
else
ofn.Flags = OFN_OVERWRITEPROMPT | OFN_EXPLORER;
// Display the Open dialog box.
bool bRet = false;
if (bOpen)
{
bRet = !!GetOpenFileName(&ofn);
}
else
{
bRet = !!GetSaveFileName(&ofn);
}
SetCurrentDirectory(sOrigCWD.GetBuffer());
sOrigCWD.ReleaseBuffer();
if (bRet)
{
path = CString(ofn.lpstrFile);
if (filterindex)
*filterindex = ofn.nFilterIndex;
return true;
}
return false;
}
