myftreedlg.cpp

树结构的保存和读取

// MyFTreeDlg.cpp : implementation file
//

#include "stdafx.h"
#include "MyFTree.h"
#include "MyFTreeDlg.h"

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

UINT ThreadProc(LPVOID param);

void GetFileInfo(CString& strPath, int callnum, CTreeCtrl& m_ctrlTree);
CString strT;
CStringArray array;
int num;
CImageList list;
HTREEITEM strHTFir[20];
static CString strFilePath = "C:\\Windows\\";

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyFTreeDlg dialog

CMyFTreeDlg::CMyFTreeDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMyFTreeDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMyFTreeDlg)
		// 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 CMyFTreeDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyFTreeDlg)
	DDX_Control(pDX, IDC_TREE1, m_ctrlTree);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMyFTreeDlg, CDialog)
	//{{AFX_MSG_MAP(CMyFTreeDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyFTreeDlg message handlers

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

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	VERIFY((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	VERIFY(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 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
	
	list.Create(24, 24, ILC_COLOR32 ,1, 0);
	HICON hIcon = NULL;

	array.SetSize(500);

	HICON icon;
	icon = AfxGetApp()->LoadIcon(IDI_ICON1);
	list.Add(icon);
	m_ctrlTree.SetImageList ( &list,TVSIL_NORMAL );
	num = 0;

	CStdioFile file;
	CFileException e;
	if(file.Open("tree.txt", CFile::modeCreate, &e))
	{
		file.Close();
	}
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CMyFTreeDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CMyFTreeDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CMyFTreeDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CMyFTreeDlg::OnOK() 
{
	m_ctrlTree.DeleteAllItems();
	HWND wnd = GetSafeHwnd();
	AfxBeginThread(ThreadProc, &m_ctrlTree,THREAD_PRIORITY_NORMAL,0,0,NULL);
}

void GetFileInfo(CString& strPath, int callnum, CTreeCtrl& m_ctrlTree)
{
	CStdioFile file;
	CFileException e;

	if(callnum == -1)
	{
		if(file.Open("tree.txt", CFile::modeReadWrite, &e))
		{
			strT = "<" + strPath + ">\n";
			file.WriteString(strT);
			file.Close();
			strT = "</" + strPath +">\n";
			array.SetAt(0, strT);
			num ++;
		}
	}

	callnum++;
	CFileFind fd;
	if(strPath.Right(1) != "\\")
	{
		strPath += "\\";
	}
	strPath += "*.*";
	BOOL ret = fd.FindFile(strPath);

	while(ret)
	{
		ret = fd.FindNextFile();

		if((fd.IsDirectory())&&(!fd.IsDots()))
		{
			CString strTitle = fd.GetFileTitle();
			CString strPath  = fd.GetFilePath();

			strT = "</" + strPath + ">\n";
			array.SetAt(num, strT);
			num++;

			strT = "<";
			strT += strPath;
			strT += ">\n";

			if(file.Open("tree.txt", CFile::modeReadWrite, &e))
			{
				file.SeekToEnd();
				file.WriteString(strT);
				file.Close();
			}

			switch(callnum)
			{
			case 0:
				{
					strHTFir[0] = m_ctrlTree.InsertItem(strTitle, 0, 0, NULL);
				}
				break;
			case 1:
				{
					strHTFir[1] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[0]);
				}
				break;
			case 2:
				{
					strHTFir[2] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[1]);
				}
				break;
			case 3:
				{
					strHTFir[3] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[2]);
				}
				break;
			case 4:
				{
					strHTFir[4] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[3]);
				}
				break;
			case 5:
				{
					strHTFir[5] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[4]);
				}
				break;
			case 6:
				{
					strHTFir[6] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[5]);
				}
				break;
			case 7:
				{
					strHTFir[7] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[6]);
				}
				break;
			case 8:
				{
					strHTFir[8] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[7]);
				}
				break;
			case 9:
				{
					strHTFir[9] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[8]);
				}
				break;
			case 10:
				{
					strHTFir[10] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[9]);
				}
				break;
			case 11:
				{
					strHTFir[11] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[10]);
				}
				break;
			case 12:
				{
					strHTFir[12] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[11]);
				}
				break;
			case 13:
				{
					strHTFir[13] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[12]);
				}
				break;
			case 14:
				{
					strHTFir[14] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[13]);
				}
				break;
			case 15:
				{
					strHTFir[15] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[14]);
				}
				break;
			case 16:
				{
					strHTFir[16] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[15]);
				}
				break;
			case 17:
				{
					strHTFir[17] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[16]);
				}
				break;
			case 18:
				{
					strHTFir[18] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[17]);
				}
				break;
			case 19:
				{
					strHTFir[19] = m_ctrlTree.InsertItem(strTitle, 0, 0, strHTFir[18]);
				}
				break;
			default:
				break;
			}
			GetFileInfo(strPath,callnum,m_ctrlTree);			
		}
		if(!ret)
		{		
			num--;
			if(file.Open("tree.txt", CFile::modeReadWrite, &e))
			{
				strT = array.GetAt(num);
				file.SeekToEnd();
				file.WriteString(strT);
				file.Close();			
			}
		}
	}
	fd.Close();
}

void CMyFTreeDlg::OnCancel() 
{
	array.RemoveAll();
	CDialog::OnCancel();
}

UINT ThreadProc(LPVOID param)
{
	CTreeCtrl* m_ct = (CTreeCtrl*)(param);

	GetFileInfo(strFilePath,-1,*m_ct);

	return 0;
}