lrdlg.cpp

着是个很好的代码

#include "stdafx.h"
#include "LR.h"
#include "LRDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
CLRDlg::CLRDlg(CWnd* pParent)
	: CDialog(CLRDlg::IDD, pParent){
	//{{AFX_DATA_INIT(CLRDlg)
	//}}AFX_DATA_INIT
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	p_file=NULL;
}
CLRDlg::~CLRDlg(){
	if(p_file!=NULL)
		fclose(p_file);
}
void CLRDlg::DoDataExchange(CDataExchange* pDX){
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CLRDlg)
	DDX_Control(pDX, IDC_LIST_SHOW, m_lstShow);
	//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CLRDlg, CDialog)
	//{{AFX_MSG_MAP(CLRDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_COMMAND(IDR_FILE_OPEN, OnFileOpen)
	ON_COMMAND(IDR_VIEW_IDENT, OnViewIdent)
	ON_COMMAND(IDR_VIEW_FIRST_SET, OnViewFirstSet)
	ON_COMMAND(IDR_VIEW_FOLLOW_SET, OnViewFollowSet)
	ON_COMMAND(IDR_MLR1_SIZE, OnMlr1Size)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
BOOL CLRDlg::OnInitDialog(){
	CDialog::OnInitDialog();
	SetIcon(m_hIcon, TRUE);		
	SetIcon(m_hIcon, FALSE);	
	return TRUE; 
}
void CLRDlg::OnPaint(){
	if (IsIconic()){
		CPaintDC dc(this); 
		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
		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;
		dc.DrawIcon(x, y, m_hIcon);
	}else{
		CDialog::OnPaint();
	}
}
HCURSOR CLRDlg::OnQueryDragIcon(){
	return (HCURSOR) m_hIcon;
}

void CLRDlg::OnFileOpen(){
//打开.txt文件
	CString s;
	CFileDialog dlg(TRUE,"*.txt","",OFN_HIDEREADONLY,"Text Files (*.txt)|*.txt||",this);
	dlg.m_ofn.lpstrTitle = "Select Source";
	if(dlg.DoModal() == IDOK){
		if(p_file)fclose(p_file);
		p_file=fopen(dlg.GetPathName(),"r");
		if(p_file==NULL){
			AfxMessageBox("不能打开文件！");
			return;
		}
		m_lstShow.ResetContent();
		m_mlr1.ReSet(p_file);
	}
}
void CLRDlg::OnViewIdent(){
	int i,n;
	if(p_file==NULL)AfxMessageBox("没有打开的文件");
	m_lstShow.ResetContent();
	n=m_mlr1.GetIdentList().GetSize();
	for(i=0;i<n;i++)
		m_lstShow.AddString(m_mlr1.GetIdentList().GetAt(i));
}
void CLRDlg::OnViewFirstSet(){
	if(p_file==NULL)AfxMessageBox("没有打开的文件");
	m_lstShow.ResetContent();
	int i,j=m_mlr1.GetIdentNum();
	for(i=0;i<j;i++)
		m_lstShow.AddString(m_mlr1.GetFirst(i));
}

void CLRDlg::OnViewFollowSet(){
	if(p_file==NULL)AfxMessageBox("没有打开的文件");
	m_lstShow.ResetContent();
	int i,j=m_mlr1.GetIdentNum();
	for(i=0;i<j;i++)
		m_lstShow.AddString(m_mlr1.GetFollow(i));
}
void CLRDlg::OnMlr1Size(){
	CString msg;
	msg.Format("The class MLR1's size is:%5d B",sizeof(MLR1));
	AfxMessageBox(msg);
}