www.pudn.com > diblook > DocManager.cpp

// DocManager.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "Dib.h" 
#include "DibStatic.h" 
#include "PreviewFileDlg.h" 
#include "DocManager.h" 
 
#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); 
 
	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; 
}