www.pudn.com > Property_List_src.zip > FoldersDialog.cpp

// FoldersDialog.cpp: implementation of the CFoldersDialog class. 
// 
////////////////////////////////////////////////////////////////////// 
#include "stdafx.h" 
#include "FoldersDialog.h" 
 
TCHAR szSelectedDir[MAX_PATH]; 
 
////////////////////////////////////////////////////////////////////// 
// Construction/Destruction 
////////////////////////////////////////////////////////////////////// 
 
CFoldersDialog::CFoldersDialog() 
{ 
 
} 
 
CFoldersDialog::~CFoldersDialog() 
{ 
 
} 
 
LPITEMIDLIST ConvertPathToLpItemIdList(const char *pszPath) 
{ 
	LPITEMIDLIST  pidl; 
	LPSHELLFOLDER pDesktopFolder; 
	OLECHAR       olePath[MAX_PATH]; 
	ULONG         chEaten; 
	ULONG         dwAttributes; 
	HRESULT       hr; 
 
	if (SUCCEEDED(SHGetDesktopFolder(&pDesktopFolder))) 
	{ 
		MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, pszPath, -1, olePath, MAX_PATH); 
		hr = pDesktopFolder->ParseDisplayName(NULL, NULL, olePath, &chEaten, &pidl, &dwAttributes); 
		pDesktopFolder->Release(); 
	} 
	return pidl; 
} 
 
int CALLBACK BrowseCallbackProc(HWND hwnd,UINT uMsg,LPARAM lp, LPARAM pData)  
{ 
	switch(uMsg)  
	{ 
	case BFFM_INITIALIZED: 
		{ 
			/* change the selected folder. */ 
			SendMessage(hwnd, BFFM_SETSELECTION, TRUE, pData); 
			break; 
		} 
	case BFFM_SELCHANGED:  
		{ 
		   // Set the status window to the currently selected path. 
		   if (SHGetPathFromIDList((LPITEMIDLIST) lp , szSelectedDir))  
			  SendMessage(hwnd,BFFM_SETSTATUSTEXT, 0, (LPARAM)szSelectedDir); 
		   break; 
		} 
	default: 
		   break; 
	} 
	return 0; 
} 
 
BOOL CFoldersDialog::BrowseFolder(HWND hWnd, CString curPath, CString rootPath) 
{ 
	BROWSEINFO bi; 
	TCHAR szDir[MAX_PATH]; 
	LPITEMIDLIST pidl; 
	LPMALLOC pMalloc; 
	BOOL bRet; 
 
	if (SUCCEEDED(SHGetMalloc(&pMalloc)))  
	{ 
		bRet = TRUE; 
		ZeroMemory(&bi,sizeof(bi)); 
		bi.hwndOwner = hWnd; 
		bi.pszDisplayName = 0; 
		bi.lpszTitle = 0; 
		bi.pidlRoot = ConvertPathToLpItemIdList(rootPath); 
		bi.ulFlags = BIF_RETURNONLYFSDIRS | BIF_STATUSTEXT; 
		bi.lpfn = BrowseCallbackProc; 
		bi.lParam = (long) curPath.GetBuffer(0); 
 
		pidl = SHBrowseForFolder(&bi); 
		if (pidl) 
		   SHGetPathFromIDList(pidl,szDir); 
		else 
			bRet = FALSE; 
		pMalloc->Free(pidl);  
		pMalloc->Release(); 
	} 
	return bRet; 
} 
 
CString CFoldersDialog::GetFolder() 
{ 
	return szSelectedDir; 
}