studentdlg.cpp

小型学生管理系统

// StudentDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Student.h"
#include "StudentDlg.h"
#include "StudentChangeDlg.h"

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CStudentDlg dialog

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

	CString strTmp;
	strTmp.LoadString(IDS_DBNAME);
	char path[ MAX_PATH ] = {'\0'};
	GetCurrentDirectory( MAX_PATH, path);
	m_SourseName.Format( "%s",path);
	m_SourseName += strTmp;
	try//打开数据库
	{
		m_dbStudent.Open(_T(m_SourseName));
	}
	catch (CDBException e1)
	{
		strTmp.LoadString(IDS_ERR_DB_OPEN);
		AfxMessageBox(strTmp);
	}
	catch (CMemoryException e2)
	{
		strTmp.LoadString(IDS_ERR_MEMORY);
		AfxMessageBox(strTmp);
	}

	CDaoTableDef m_pTableSQL(&m_dbStudent);
	try//打开工作表
	{
		strTmp.LoadString(IDS_TABLE_NAME);
		strTmp = '['+strTmp+']';
		m_pTableSQL.Open(_T(strTmp));
	}
	catch (CDBException e1)
	{
		strTmp.LoadString(IDS_ERR_DB_OPEN);
		AfxMessageBox(strTmp);
	}
	catch (CMemoryException e2)
	{
		strTmp.LoadString(IDS_ERR_MEMORY);
		AfxMessageBox(strTmp);
	}
}

void CStudentDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CStudentDlg)
	DDX_Control(pDX, IDC_BUTTON_DELETE, m_ButtonDelete);
	DDX_Control(pDX, IDC_BUTTON_MODIFY, m_ButtonModify);
	DDX_Control(pDX, IDC_STUDENT_LIST, m_lstStudent);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CStudentDlg, CDialog)
	//{{AFX_MSG_MAP(CStudentDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_ADD, OnButtonAdd)
	ON_BN_CLICKED(IDC_BUTTON_DELETE, OnButtonDelete)
	ON_BN_CLICKED(IDC_BUTTON_EXIT, OnButtonExit)
	ON_BN_CLICKED(IDC_BUTTON_MODIFY, OnButtonModify)
	ON_NOTIFY(NM_CLICK, IDC_STUDENT_LIST, OnClickStudentList)
	ON_NOTIFY(NM_RCLICK, IDC_STUDENT_LIST, OnRclickStudentList)
	ON_NOTIFY(LVN_KEYDOWN, IDC_STUDENT_LIST, OnKeydownStudentList)
	ON_NOTIFY(NM_SETFOCUS, IDC_STUDENT_LIST, OnSetfocusStudentList)
	ON_NOTIFY(NM_KILLFOCUS, IDC_STUDENT_LIST, OnKillfocusStudentList)
	ON_BN_CLICKED(IDC_BUTTON_REFERSH, OnButtonRefersh)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CStudentDlg message handlers

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

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

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(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
	
	// TODO: Add extra initialization here
	LV_COLUMN lc;
	lc.mask = LVCF_FMT|LVCF_WIDTH|LVCF_TEXT|LVCF_SUBITEM;
	lc.fmt = LVCFMT_CENTER;
	lc.cx = 75;
	lc.iSubItem = 0;
	lc.pszText = "学号";
	m_lstStudent.InsertColumn(0,&lc);
	lc.iSubItem = 1;
	lc.pszText = "姓名";
	m_lstStudent.InsertColumn(1,&lc);
	lc.iSubItem = 2;
	lc.pszText = "e_Mail地址";
	m_lstStudent.InsertColumn(2,&lc);
	lc.iSubItem = 3;
	lc.pszText = "籍贯";
	m_lstStudent.InsertColumn(3,&lc);
	LVITEM Item;
	int i;
	CString str;
	if(!m_pReadSet->IsEOF())m_pReadSet->MoveFirst();
	for(i=0;!m_pReadSet->IsEOF();m_pReadSet->MoveNext(),i++){
		Item.mask = LVIF_IMAGE|LVIF_TEXT;
		Item.iItem = i;
		Item.iSubItem = 0;
		Item.iImage = i;
		str = m_pReadSet->m_Stu.m_Stu_No;
		Item.pszText = str.GetBuffer(str.GetLength());
		m_lstStudent.InsertItem(&Item);
		m_lstStudent.SetItemText(i,1,m_pReadSet->m_Stu.m_Stu_Name);
		m_lstStudent.SetItemText(i,2,m_pReadSet->m_Stu.m_Stu_Email);
		m_lstStudent.SetItemText(i,3,m_pReadSet->m_Stu.m_Stu_Home);
	}
	SetWindowLong(m_lstStudent.m_hWnd,GWL_STYLE,WS_VISIBLE|WS_CHILD|
				WS_BORDER|LVS_REPORT|LVS_EDITLABELS);
	m_lstStudent.SendMessage(LVS_SHOWSELALWAYS|LVS_SORTASCENDING);

	//使删除和修改按钮无效
	m_ButtonModify.EnableWindow(FALSE);
	m_ButtonDelete.EnableWindow(FALSE);
	
	CString strMainTitle;
	strMainTitle.LoadString(IDS_MAIN_TITLE);
	SetWindowText(strMainTitle);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CStudentDlg::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 CStudentDlg::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 CStudentDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CStudentDlg::OnButtonAdd() 
{
	// TODO: Add your control notification handler code here
	CStudentChangeDlg dlg(m_lstStudent,-1);
	int nResponse = dlg.DoModal();


	if (nResponse == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
		if(!UpdateList(ADD_STU,&dlg.m_StuOnRefresh))
		{
			CString strErr;
			strErr.LoadString(IDS_ERR_UPDARE);
			MessageBox(_T(strErr),"ERROR",MB_OK|MB_ICONERROR);
			return;
		}

		int ilen = m_lstStudent.GetItemCount();
		if(m_lstStudent.InsertItem(ilen,dlg.m_StuOnRefresh.m_Stu_No)==-1)AfxMessageBox("ERROR");
		m_lstStudent.SetItemText(ilen,1,dlg.m_StuOnRefresh.m_Stu_Name);
		m_lstStudent.SetItemText(ilen,2,dlg.m_StuOnRefresh.m_Stu_Email);
		m_lstStudent.SetItemText(ilen,3,dlg.m_StuOnRefresh.m_Stu_Home);

		//if(!m_pSet->IsBOF())m_pSet->MoveFirst();
		//m_pSet->MoveLast();		
	}
	else if (nResponse == IDCANCEL)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}
//*/
	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.
	if(m_lstStudent.GetItemCount()<1){
		m_ButtonModify.EnableWindow(FALSE);
		m_ButtonDelete.EnableWindow(FALSE);
	}
}

CDaoRecordset* CStudentDlg::OnGetRecordset()
{
	if (m_pReadSet != NULL)
		return m_pReadSet;

	m_pReadSet = new CStudentDataSet(NULL);
	m_pReadSet->Open();

	return m_pReadSet;
}

void CStudentDlg::OnButtonDelete() 
{
	// TODO: Add your control notification handler code here
	POSITION pos = m_lstStudent.GetFirstSelectedItemPosition();
	int iCountSelected = m_lstStudent.GetSelectedCount();
	if(iCountSelected<1)
	{
		CString strOnDeleteNoChoice,strDeleteTitle;
		strOnDeleteNoChoice.LoadString(IDS_DELETE_NO_CHOICE);
		strDeleteTitle.LoadString(IDS_MSGBOX_DELETE_TITLE);
		MessageBox(strOnDeleteNoChoice,strDeleteTitle,MB_ICONINFORMATION|MB_OK);
		return;
	}
	CList <int,int> m_ListSelcted;
	int iItemSelected;
	Student m_StuOnRefresh;
	
	CString strOnDelete,strOnDeleteTitle;
	strOnDelete.LoadString(IDS_ON_DELETE);
	strOnDeleteTitle.LoadString(IDS_DELETE_TITLE);
	int OKCANCLE = MessageBox(strOnDelete,strOnDeleteTitle,MB_ICONWARNING|MB_OKCANCEL);
	if (OKCANCLE == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
		for(int i=0;i<iCountSelected;i++){
			iItemSelected = m_lstStudent.GetNextSelectedItem(pos);
			m_ListSelcted.AddHead(iItemSelected);
		}
		for(;!m_ListSelcted.IsEmpty();m_ListSelcted.RemoveHead()){
			iItemSelected =m_ListSelcted.GetHead();
			char strTmp[41];
			m_lstStudent.GetItemText(iItemSelected,0,strTmp,10);
			m_StuOnRefresh.m_Stu_No = strTmp;
			m_lstStudent.GetItemText(iItemSelected,1,strTmp,30);
			m_StuOnRefresh.m_Stu_Name = strTmp;
			m_lstStudent.GetItemText(iItemSelected,2,strTmp,40);
			m_StuOnRefresh.m_Stu_Email = strTmp;
			m_lstStudent.GetItemText(iItemSelected,3,strTmp,40);
			m_StuOnRefresh.m_Stu_Home = strTmp;
			if(!UpdateList(DELETE_STU,&m_StuOnRefresh))
			{
				CString strErr;
				strErr.LoadString(IDS_ERR_UPDARE);
				MessageBox(_T(strErr),"ERROR",MB_OK|MB_ICONERROR);
				return;
			}
			m_lstStudent.DeleteItem(iItemSelected);
		}
	
		
	}
	else if (OKCANCLE == IDCANCEL)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}
	if(m_lstStudent.GetItemCount()<1){
		m_ButtonModify.EnableWindow(FALSE);
		m_ButtonDelete.EnableWindow(FALSE);
	}
}

void CStudentDlg::OnButtonExit() 
{
	CString strOnExit,strExitTitle;
	strOnExit.LoadString(IDS_ON_EXIT);
	strExitTitle.LoadString(IDS_EXIT_TITLE);
	int YESNO = MessageBox(strOnExit,strExitTitle,MB_YESNO|MB_ICONQUESTION);
	if (YESNO == IDYES)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
		UpdateDatabase();//更新数据库
		EndDialog(0);
	}
	else if (YESNO == IDNO)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
		if(m_lstStudent.GetSelectedCount()<1){
			m_ButtonModify.EnableWindow(FALSE);
			m_ButtonDelete.EnableWindow(FALSE);	
		}
	}
	// TODO: Add your control notification handler code here
	
}