classmngdlg.cpp

学生管理系统可以加班级删班级

// ClassMngDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ClassMng.h"
#include "ClassMngDlg.h"
#include "AddGradeDlg.h"
#include"AddstudentDlg.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:
	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()

/////////////////////////////////////////////////////////////////////////////
// CClassMngDlg dialog

CClassMngDlg::CClassMngDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CClassMngDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CClassMngDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	gradeNumber = 0;
}

void CClassMngDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CClassMngDlg)
	DDX_Control(pDX, IDC_EDIT2, m_b);
	DDX_Control(pDX, IDC_EDIT1, m_a);
	DDX_Control(pDX, IDC_STUDENT_LIST, m_studentlist);
	DDX_Control(pDX, IDC_DELETE_STUDENT, m_deletestudent);
	DDX_Control(pDX, IDC_DELETE_GRADE, m_deletegrade);
	DDX_Control(pDX, IDC_ADD_STUDENT, m_addstudent);
	DDX_Control(pDX, IDC_GRADE_LIST, m_gradeList);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CClassMngDlg, CDialog)
	//{{AFX_MSG_MAP(CClassMngDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_ADD_GRADE, OnAddGrade)
	ON_BN_CLICKED(IDC_ADD_STUDENT, OnAddStudent)
	ON_BN_CLICKED(IDC_DELETE_GRADE, OnDeleteGrade)
	ON_BN_CLICKED(IDC_DELETE_STUDENT, OnDeleteStudent)
	ON_LBN_SELCHANGE(IDC_GRADE_LIST, OnSelchangeGradeList)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CClassMngDlg message handlers

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

void CClassMngDlg::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 CClassMngDlg::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();
		//CDialog::OnPaint();//要禁止这个调用   
          CPaintDC   dc(this);   
          CRect   rect;   
          GetClientRect(&rect);   
          CDC   dcMem;   
          dcMem.CreateCompatibleDC(&dc);   
          CBitmap   bmpBackground;   
          bmpBackground.LoadBitmap(IDB_BITMAP1);   
                  //IDB_BITMAP是你自己的图对应的ID   
          BITMAP   bitmap;   
          bmpBackground.GetBitmap(&bitmap);   
          CBitmap   *pbmpOld=dcMem.SelectObject(&bmpBackground);   
          dc.StretchBlt(0,0,rect.Width(),rect.Height(),&dcMem,0,0,   
         bitmap.bmWidth,bitmap.bmHeight,SRCCOPY); 
	}
}

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

void CClassMngDlg::OnAddGrade() 
{
	// TODO: Add your control notification handler code here
	UpdateData(1);
	CAddGradeDlg agDlg(this);
	agDlg.DoModal();
	
}

void CClassMngDlg::addGrade(CGrade &g)
{
	grades[gradeNumber++] = g;
}
void CClassMngDlg::deleteGrade(CString &name)
{
	for(int i = 0; i < gradeNumber; i++)
	{
		if(grades[i].getName() == name)
			break;
	}
	if(i >= gradeNumber)
		return;
	for(int j = i + 1; j < gradeNumber; j++)
		grades[j-1] = grades[j];
	gradeNumber--;
}
int CClassMngDlg::getGradeNumber()
{
	return gradeNumber;
}

CListBox * CClassMngDlg::getGradeList()
{
	return &m_gradeList;
}
CGrade* CClassMngDlg::getGrade(int i)
{
  return &grades[i];
}

void CClassMngDlg::changea()
{
   if(getGradeList()->GetCount()>=0)
   {
      m_addstudent.EnableWindow(1);
	  m_deletegrade.EnableWindow(1);
   }

}

void CClassMngDlg::changeb()
{
    if(getStudentList()->GetCount()>=0)
		m_deletestudent.EnableWindow(1);
}

CListBox* CClassMngDlg::getStudentList()
{
   return &m_studentlist;
}

void CClassMngDlg::OnAddStudent() 
{
	// TODO: Add your control notification handler code here
	CAddstudentDlg   bb(this);
	bb.DoModal();
}

void CClassMngDlg::OnDeleteGrade() 
{
	// TODO: Add your control notification handler code here
	CString str1;
	getGradeList()->GetText(getGradeList()->GetCurSel(),str1);
	deleteGrade(str1);
	getGradeList()->DeleteString(getGradeList()->GetCurSel());
	
}

void CClassMngDlg::OnDeleteStudent() 
{
	// TODO: Add your control notification handler code here
	CString str3;
	CString str4;
	getStudentList()->GetText(getStudentList()->GetCurSel(),str4);
	int m;
	getGradeList()->GetText(getGradeList()->GetCurSel(),str3);
	for(int n=0;n<getGradeNumber();n++)
	{
		if(getGrade(n)->getName()==str3)
		{
			m=n;
			break;
		}
	}
	getGrade(m)->deleteStudent(str4);
	getStudentList()->DeleteString(getStudentList()->GetCurSel());

}

//DEL void CClassMngDlg::quit()
//DEL {
//DEL   	getStudentList()->ResetContent();
//DEL 	CString str2;
//DEL 	getGradeList()->GetText(getGradeList()->GetCurSel(),str2);
//DEL 	int i,j;
//DEL 	for (i=0;i<getGradeNumber();i++)
//DEL 		if (getGrade(i)->getName()==str2)
//DEL 		{
//DEL 			for (j=0;j<getGrade(i)->getStudentNumber();j++)
//DEL 				getStudentList()->AddString(getGrade(i)->getStudent(j)->getName());
//DEL 		}
//DEL }


void CClassMngDlg::OnSelchangeGradeList() 
{
	// TODO: Add your control notification handler code here
	getStudentList()->ResetContent();
	CString str2;
 	getGradeList()->GetText(getGradeList()->GetCurSel(),str2);
 	int i,j;
 	for (i=0;i<getGradeNumber();i++)
		if (getGrade(i)->getName()==str2)
		{
 			for (j=0;j<getGrade(i)->getStudentNumber();j++)
 				getStudentList()->AddString(getGrade(i)->getStudent(j)->getName());
 		}
}
//DEL int &CClassMngDlg::getMa()
//DEL {
//DEL    return m_a;
//DEL }
//DEL int &CClassMngDlg::getMb()
//DEL {
//DEL 	return m_b;
//DEL }

CEdit* CClassMngDlg::getMa()
{
  return &m_a;
}

CEdit* CClassMngDlg::getMb()
{
  return &m_b;
}