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 1 /**
 2 * Copyright (C) 2014-2050 
 3 * All rights reserved.
 4 * 
 5 * @file       FileHelper.h
 6 * @brief      
 7 * @version    v1.0      
 8 * @author     SOUI group   
 9 * @date       2014/08/03
10 * 
11 * Describe    实现两个文件相关的helper
12 */
13 
14 #pragma once
15 
16 
17 /**
18 * BuildFilePath
19 * @brief    递归创建子目录
20 * @param    LPCTSTR pszCurPath --  创建路径的起始位置
21 * @param    LPCTSTR pszNewPath --  新路径
22 * @param    BOOL bPath --  pszNewPath是一个路径标识
23 * @return   BOOL -- true创建成功
24 * Describe  pszNewPath指向一个文件名时，只创建文件路径部分
25 */    
26 inline BOOL BuildFilePath(LPCTSTR pszCurPath,LPCTSTR pszNewPath,BOOL bPath=TRUE)
27 {
28     TCHAR szCurDir[MAX_PATH+1];
29     GetCurrentDirectory(MAX_PATH,szCurDir);
30     if(!SetCurrentDirectory(pszCurPath)) return FALSE;
31     TCHAR szNewPath[MAX_PATH+1];
32     _tcscpy_s(szNewPath,_countof(szNewPath),pszNewPath);
33     if(bPath)
34     {
35         int nLen=_tcslen(szNewPath);
36         if(szNewPath[nLen-1]!=_T(‘\\‘))
37             _tcscat(szNewPath,_T("\\"));
38     }
39     LPTSTR pszPath=_tcschr(szNewPath,_T(‘\\‘));
40     while(pszPath)
41     {
42         *pszPath=0;
43         if(!CreateDirectory(szNewPath,NULL)) return FALSE;
44         *pszPath=_T(‘\\‘);
45         pszPath=_tcschr(pszPath+1,_T(‘\\‘));
46     }
47     SetCurrentDirectory(szCurDir);
48     return TRUE;
49 }
50 
51 class CFileDialogEx
52 {
53 public:
54 
55     OPENFILENAME m_ofn;
56     BOOL m_bOpenFileDialog;            // TRUE for file open, FALSE for file save
57     TCHAR m_szFileTitle[_MAX_FNAME];   // contains file title after return
58     TCHAR m_szFileName[_MAX_PATH];     // contains full path name after return
59 
60     CFileDialogEx(BOOL bOpenFileDialog, // TRUE for FileOpen, FALSE for FileSaveAs
61         LPCTSTR lpszDefExt = NULL,
62         LPCTSTR lpszFileName = NULL,
63         DWORD dwFlags = OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,
64         LPCTSTR lpszFilter = NULL,
65         HWND hWndParent = NULL)
66     {
67         memset(&m_ofn, 0, sizeof(m_ofn)); // initialize structure to 0/NULL
68         m_szFileName[0] = _T(‘\0‘);
69         m_szFileTitle[0] = _T(‘\0‘);
70 
71         m_bOpenFileDialog = bOpenFileDialog;
72         m_ofn.lStructSize = sizeof(m_ofn);
73         m_ofn.lpstrFile = m_szFileName;
74         m_ofn.nMaxFile = _MAX_PATH;
75         m_ofn.lpstrDefExt = lpszDefExt;
76         m_ofn.lpstrFileTitle = (LPTSTR)m_szFileTitle;
77         m_ofn.nMaxFileTitle = _MAX_FNAME;
78         m_ofn.Flags = dwFlags | OFN_EXPLORER | OFN_ENABLEHOOK | OFN_ENABLESIZING;
79         m_ofn.lpstrFilter = lpszFilter;
80         m_ofn.hwndOwner = hWndParent;
81 
82         // setup initial file name
83         if(lpszFileName != NULL)
84             _tcscpy_s(m_szFileName, _countof(m_szFileName), lpszFileName);
85     }
86 
87     INT_PTR DoModal(HWND hWndParent = ::GetActiveWindow())
88     {
89         if(m_ofn.hwndOwner == NULL)   // set only if not specified before
90             m_ofn.hwndOwner = hWndParent;
91 
92         if(m_bOpenFileDialog)
93             return ::GetOpenFileName(&m_ofn);
94         else
95             return ::GetSaveFileName(&m_ofn);
96     }
97 };