bxfiledialogdocmanager.cpp

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// BXFileDialogDocManager.cpp : implementation of the BXFileDialogDocManager class
//

#include "StdAfx.h"
#include "BXFileDialog_Priv.h"

#include "BXFileDialog.h"

#include "BXFileDialogDocManager.h"



#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif


static void AFXAPI _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
		ASSERT(strFilterExt[0] == '.');
		if (pstrDefaultExt != NULL)
		{
			// set the default extension
			*pstrDefaultExt = ((LPCTSTR)strFilterExt) + 1;  // skip the '.'
			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
		filter += (TCHAR)'*';
		filter += strFilterExt;
		filter += (TCHAR)'\0';  // next string please
		ofn.nMaxCustFilter++;
	}
}


BXFileDialogDocManager::BXFileDialogDocManager(void)
{
	m_eAppearance = BXFileDialog::APPEARANCE_DEFAULT;
}


void BXFileDialogDocManager::SetAppearance(BXFileDialog::eAppearance eApp)
{
	m_eAppearance = eApp;
}

// prompt for file name - used for open and save as
BOOL BXFileDialogDocManager::DoPromptFileName(	CString& fileName,
												UINT nIDSTitle,
												DWORD lFlags,
												BOOL bOpenFileDialog,
												CDocTemplate* pTemplate)			// if pTemplate==NULL => all document templates

{
	// AJM 22.9.2000 don't switch on this - Win2k dialog won't appear anyway
	// unless we compile with VC7 or do something clever
/*
	OS_VERSION_INFO WinVerInfo;
	if (::GetOSVersion(&WinVerInfo) && ::IsWindows2000(&WinVerInfo) )
	{
		// Don't use BXFileDialog on Win2k (it's got a better one already)
		return CDocManager::DoPromptFileName(fileName, nIDSTitle, lFlags, bOpenFileDialog, pTemplate);
	}
*/
	BXFileDialog dlgFile(bOpenFileDialog, FALSE);

	dlgFile.SetAppearance(m_eAppearance);

	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 = GetFirstDocTemplatePosition();
		BOOL bFirst = TRUE;
		while (pos != NULL)
		{
			CDocTemplate* pTemplate = (CDocTemplate*)GetNextDocTemplate(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
	strFilter += _T("*.*");
	strFilter += (TCHAR)'\0';   // last string
	dlgFile.m_ofn.nMaxCustFilter++;

	dlgFile.m_ofn.lpstrFilter = strFilter;
	dlgFile.m_ofn.lpstrTitle = title;
	dlgFile.m_ofn.lpstrFile = fileName.GetBuffer(_MAX_PATH);

	int nResult = dlgFile.DoModal();
	fileName.ReleaseBuffer();

	return (nResult == IDOK);
}