tryfinddlg.cpp

CCeFileFind类在Windows CE系统上实现本地文件搜索

// TryfindDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Tryfind.h"
#include "TryfindDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTryfindDlg dialog

CTryfindDlg::CTryfindDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTryfindDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTryfindDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CTryfindDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTryfindDlg)
	DDX_Control(pDX, IDC_COMBO, m_ctrlCombo);
	DDX_Control(pDX, IDC_LIST, m_ctrlList);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTryfindDlg, CDialog)
	//{{AFX_MSG_MAP(CTryfindDlg)
	ON_CBN_SELCHANGE(IDC_COMBO, OnSelchangeCombo)
	ON_NOTIFY(NM_DBLCLK, IDC_LIST, OnDblclkList)
	ON_BN_CLICKED(IDC_BUTTON, OnButtonUp)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTryfindDlg message handlers

BOOL CTryfindDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	CenterWindow(GetDesktopWindow());	// center to the hpc screen

	RECT rect;
	m_ctrlList.GetClientRect( &rect );
	int width = (rect.right - rect.left)/4;

	m_ctrlList.InsertColumn( 0, L"Name", width );
	m_ctrlList.SetColumnWidth( 0, width);
	
	m_ctrlList.InsertColumn( 1, L"Type", width);
	m_ctrlList.SetColumnWidth( 1, width);
	
	m_ctrlList.InsertColumn( 2, L"Modified", width*2);
	m_ctrlList.SetColumnWidth( 2, width*2);

	SHFILEINFO shFinfo;
	HIMAGELIST hImgList = NULL;

	if ( m_ctrlList.GetImageList( LVSIL_SMALL ) )
		m_ImgLst.Detach();
	
	hImgList = ( HIMAGELIST )SHGetFileInfo( L"\\",
							  0,
							  &shFinfo,
							  sizeof( shFinfo ),
							  SHGFI_ICON | SHGFI_SMALLICON );
	if ( !hImgList )
		return FALSE;
    
	if ( !m_ImgLst.Attach( hImgList ) )
		return FALSE;

	m_ctrlList.SetImageList( &m_ImgLst, LVSIL_SMALL );

	DisplayDirContents( '\\');

	return TRUE;  // return TRUE  unless you set the focus to a control
}



void CTryfindDlg::DisplayDirContents( CString csDirPath )
{
	m_ctrlList.DeleteAllItems();
	AddDirtoCombo( csDirPath );

	if( csDirPath.Right(1) != '\\' )
		csDirPath += '\\';

	csDirPath += L"*.*";


	BOOL bFound;
	bFound = m_finder.FindFile( csDirPath );
	int i = 0;
	
	while ( bFound )
	{
		bFound = m_finder.FindNextFile();
		CString csName = m_finder.GetFileName();
		//	m_ctrlList.InsertItem( i, csName );
		AddItemToList( i );
		i++;
	}
	m_finder.Close();

}

void CTryfindDlg::OnSelchangeCombo() 
{
	CString csPath;
	m_ctrlCombo.GetLBText( m_ctrlCombo.GetCurSel(), csPath );	
	DisplayDirContents( csPath );
}

void CTryfindDlg::AddDirtoCombo(CString csDir)
{
	int nFound = m_ctrlCombo.FindStringExact( -1, csDir );
	if( nFound == CB_ERR )
		nFound = m_ctrlCombo.AddString( csDir );
	m_ctrlCombo.SetCurSel( nFound );
}

void CTryfindDlg::OnDblclkList(NMHDR* pNMHDR, LRESULT* pResult) 
{
	//	int nMark = m_ctrlList.GetSelectedCount();
	// GetSelectionMark() is not supported on WCE 2.0 so we use GetNextItem()
	int nMark = m_ctrlList.GetNextItem( -1, LVNI_SELECTED ); 

	CString csPath;
	m_ctrlCombo.GetLBText(m_ctrlCombo.GetCurSel(), csPath );
	if ( csPath.Right(1) != '\\' )
		csPath += '\\';
	
	csPath += m_ctrlList.GetItemText( nMark, 0 ) ;
	
	CCeFileFind		finder;
	BOOL bFound = finder.FindFile( csPath );
	bFound = finder.FindNextFile();
	if( finder.IsDirectory() )
	{
		AddDirtoCombo( csPath );
		DisplayDirContents( csPath );
	}

	finder.Close();
			
	*pResult = 0;
}



BOOL CTryfindDlg::AddItemToList( int nItem )
{

	int				iSubItem, iActualItem;
	LV_ITEM			lvitem;

	
	for ( iSubItem = 0; iSubItem < 3; iSubItem++)
	{
		lvitem.mask = (iSubItem == 0)? LVIF_TEXT | LVIF_IMAGE : LVIF_TEXT;
		lvitem.iItem = (iSubItem == 0)? nItem : iActualItem;
		lvitem.iSubItem = iSubItem;

		if(iSubItem == 0)
		{
			CString csName = m_finder.GetFileName();
			lvitem.pszText = csName.GetBuffer( csName.GetLength() );

			csName.ReleaseBuffer();
			SHFILEINFO shFinfo;
			if ( !SHGetFileInfo( m_finder.GetFilePath() ,0,&shFinfo,sizeof( shFinfo ),
									SHGFI_ICON |SHGFI_SMALLICON ) )
				return FALSE ;

			lvitem.iImage = shFinfo.iIcon;
			iActualItem = m_ctrlList.InsertItem(&lvitem); // insert new item

		}
		else if(iSubItem == 1 )
		{
			LPTSTR lpsz = new unsigned short[10];
			DWORD dwSize = m_finder.GetLength() / 1024; 
			if( dwSize > 0 )
				wsprintf( lpsz, L"%d K", dwSize );
			else
				wsprintf( lpsz, L"%c", ' ' );
			lvitem.pszText = lpsz;
			m_ctrlList.SetItem(&lvitem); // modify existing item (the sub-item text)				
			delete [] lpsz;
		}
		else if(iSubItem == 2 )
		{
			FILETIME ft;
			m_finder.GetLastAccessTime( &ft );
			LPTSTR lpsz = FormatTime( &ft );
			lvitem.pszText = lpsz;
			m_ctrlList.SetItem(&lvitem); // modify existing item (the sub-item text)				
			delete [] lpsz;
		}

	}
	return TRUE;
}


LPTSTR CTryfindDlg::FormatTime(FILETIME *pft)
{
    char        szDate[ 40 ], szTime[ 40 ];
    SYSTEMTIME  st;

    FileTimeToSystemTime( pft, &st );
    memset( szDate, 0, sizeof( szDate ) );
    memset( szTime, 0, sizeof( szTime ) );

    GetDateFormat( GetUserDefaultLCID(), 0, &st, NULL, (unsigned short *)szDate, sizeof( szDate ) );
    GetTimeFormat( GetUserDefaultLCID(), 0, &st, NULL, (unsigned short *)szTime, sizeof( szTime ) );
	LPTSTR lpsz = new WCHAR[MAX_PATH];
	memset( lpsz, 0, MAX_PATH );

	wsprintf( lpsz, L"%s %s", szTime , szDate );
	return lpsz;
}

void CTryfindDlg::OnButtonUp() 
{
	CString csPath;
	m_ctrlCombo.GetLBText(m_ctrlCombo.GetCurSel(), csPath );
	int nPos = csPath.ReverseFind( '\\' );
	if( nPos == 0 )
		csPath = '\\';
	else
		csPath = csPath.Left( nPos );
	AddDirtoCombo( csPath );
	DisplayDirContents( csPath );
}