teacherdlg.cpp

学生成绩管理信息系统

// TeacherDlg.cpp : implementation file
//

#include "stdafx.h"
#include "StudentScore.h"
#include "TeacherDlg.h"
#include "TeacherSet.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTeacherDlg dialog


CTeacherDlg::CTeacherDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTeacherDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTeacherDlg)
	//}}AFX_DATA_INIT
}


void CTeacherDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTeacherDlg)
	DDX_Control(pDX, IDC_TEACHER_NO, m_strNo);
	DDX_Control(pDX, IDC_TEACHER_AGE, m_strAge);
	DDX_Control(pDX, IDC_TEACHER_NAME, m_strName);
	DDX_Control(pDX, IDC_TEACHER_LEVEL, m_strLevel);
	DDX_Control(pDX, ID_TEACHER_CONFIRM, m_bConfirm);
	DDX_Control(pDX, IDC_LIST_TEACHER, m_list);
	DDX_Control(pDX, ID_TEACHER_EDIT, m_bEdit);
	DDX_Control(pDX, ID_TEACHER_DEL, m_bDel);
	DDX_Control(pDX, ID_TEACHER_ADD, m_bAdd);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CTeacherDlg, CDialog)
	//{{AFX_MSG_MAP(CTeacherDlg)
	ON_NOTIFY(NM_CLICK, IDC_LIST_TEACHER, OnClickListTeacher)
	ON_BN_CLICKED(ID_TEACHER_ADD, OnTeacherAdd)
	ON_BN_CLICKED(ID_TEACHER_EDIT, OnTeacherEdit)
	ON_BN_CLICKED(ID_TEACHER_DEL, OnTeacherDel)
	ON_BN_CLICKED(ID_TEACHER_CONFIRM, OnTeacherConfirm)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTeacherDlg message handlers

BOOL CTeacherDlg::OnInitDialog()
{
	CDialog::OnInitDialog();
	//初始化里CList 控件的和header
    m_list.InsertColumn(0,"记录号");
	m_list.InsertColumn(1,"编号");
    m_list.InsertColumn(2,"姓名");
    m_list.InsertColumn(3,"性别");
	m_list.InsertColumn(4,"年龄");
    m_list.InsertColumn(5,"职称");
	//设置header的宽度
    RECT rectList;
	m_list.GetWindowRect(&rectList);
	int wid=rectList.right-rectList.left-4;
	for(int i=0;i<6;i++)
		m_list.SetColumnWidth(i,wid/6);
    m_list.SetExtendedStyle(LVS_EX_FULLROWSELECT);
	//调用refreshList()初始化CList中的数据
	RefreshList();
	//为职称的下拉列表添加item
	m_strLevel.AddString("教授");
	m_strLevel.AddString("副教授");
	m_strLevel.AddString("讲师");
	m_strLevel.AddString("助教");
	//设置第一个item为选中状态
	m_strLevel.SelectString(0,"教授");
	//为年龄的下拉列表添加item
	for(int j=1;j<100;j++)
	{
		CString s;
		s.Format("%d",j);
		m_strAge.AddString(s);
	}
	//设置第一个item为选中状态
	m_strLevel.SelectString(0,"1");
	//初始化单选按钮
	femaleRadio=(CButton*)this->GetDlgItem(IDC_RADIO_TEACHER_FEMALE);
    maleRadio=(CButton*)this->GetDlgItem(IDC_RADIO_TEACHER_MALE);
    //调用ResetButton()方法，使按钮处于初始状态
	ResetButton();
	return TRUE;

}

void CTeacherDlg::RefreshList()
{
	//删除CList的所有内容
	m_list.DeleteAllItems();
	//打开记录集
    m_teacherSet.Open();
	//设置查询条件
    m_teacherSet.m_strFilter="active_status='Y'";
	//执行查询
    m_teacherSet.Requery();
	//将记录集显示到 CList中
	for(int i=0;i<m_teacherSet.GetRecordCount();i++){
		CString temp;
        m_teacherSet.GetFieldValue("teacher_id",temp);
		m_list.InsertItem(i,temp);
		m_list.SetItemText(i,1,m_teacherSet.m_teacher_no);
		m_list.SetItemText(i,2,m_teacherSet.m_teacher_name);
		m_list.SetItemText(i,3,m_teacherSet.m_teacher_sex);
		m_teacherSet.GetFieldValue("teacher_age",temp);
		m_list.SetItemText(i,4,temp);
		m_list.SetItemText(i,5,m_teacherSet.m_teacher_level);
        m_teacherSet.MoveNext();
	}
	//关闭数据库
	m_teacherSet.Close();

}

void CTeacherDlg::ResetButton()
{
	//设置不可用
	m_strNo.EnableWindow(false);
    m_strName.EnableWindow(false);
	m_strLevel.EnableWindow(false);
	m_strAge.EnableWindow(false);
	femaleRadio->EnableWindow(false);
	maleRadio->EnableWindow(false);
	//设置确定按钮不可用
	m_bConfirm.EnableWindow(false);
	//设置添加、删除、编辑按钮可用状态
	m_bAdd.EnableWindow(true);
	m_bDel.EnableWindow(true);
	m_bEdit.EnableWindow(true);

}

void CTeacherDlg::OnClickListTeacher(NMHDR* pNMHDR, LRESULT* pResult) 
{
	//当选中CList中某一行时，将CList中的数据也显示到编辑框中
	//获得所选行的行号
	int row=m_list.GetSelectionMark();
	CString s;
	//将第2列的值赋给临时字符串s中
	s=m_list.GetItemText(row,1);
	//相应的编辑框显示该值
	m_strNo.SetWindowText(s);
    s=m_list.GetItemText(row,2);
	m_strName.SetWindowText(s);
    s=m_list.GetItemText(row,3);
    //设置单选按钮选中状态
	if(s=="女")
	{
		femaleRadio->SetCheck(true);
		maleRadio->SetCheck(false);
	}
    else
	{
		femaleRadio->SetCheck(false);
		maleRadio->SetCheck(true);
	}
    //设置年龄的下拉列表值
	s=m_list.GetItemText(row,4);
    int i=m_strAge.FindString(0,s);
    m_strAge.SelectString(i,s);
	s=m_list.GetItemText(row,5);
    i=m_strLevel.FindString(0,s);
    m_strLevel.SelectString(i,s);
	*pResult = 0;
}

void CTeacherDlg::OnTeacherAdd() 
{
	//设置输入框为可编辑状态并清空输入框中的值
	m_strNo.EnableWindow(true);
	m_strNo.SetWindowText("");
	m_strName.EnableWindow(true);
    m_strName.SetWindowText("");
	m_strAge.EnableWindow(true);
	m_strAge.SelectString(0,"20");
	m_strLevel.EnableWindow(true);
	m_strLevel.SelectString(0,"教授");
	femaleRadio->EnableWindow(true);
	maleRadio->EnableWindow(true);
	//打开记录集
    m_teacherSet.Open();
	//添加新记录
	m_teacherSet.AddNew();
	//设置点击确定按钮后，其他按钮的状态
	m_bConfirm.EnableWindow(true);
    m_bAdd.EnableWindow(false);
	m_bEdit.EnableWindow(false);
	m_bDel.EnableWindow(false);
	
}

void CTeacherDlg::OnTeacherEdit() 
{
	//得到CList当前所选的行号
	int row=m_list.GetSelectionMark();
	CString s,strSQL;
	//将当前行的第一列的值赋给s
	s=m_list.GetItemText(row,0);
	if(s=="")//如果s为空，则表示没有选中行
	{
		MessageBox("请选择一行！");
	}
	else//如果有选中一行
	{
		//定义查询条件，相当于where
		strSQL.Format("teacher_id=%s",s);
		//打开记录集
		m_teacherSet.Open();
		//设置查询条件
		m_teacherSet.m_strFilter=strSQL;
		//执行查询
		m_teacherSet.Requery();
		//游标指定到该行所在的记录上，执行修改
		m_teacherSet.Edit();
		//设置点击修改按钮后其他按钮的状态
		m_bConfirm.EnableWindow(true);
		m_bAdd.EnableWindow(false);
		m_bEdit.EnableWindow(false);
		m_bDel.EnableWindow(false);
		m_strName.EnableWindow(true);
		femaleRadio->EnableWindow(true);
		maleRadio->EnableWindow(true);
		m_strNo.EnableWindow(true);
		m_strLevel.EnableWindow(true);
		m_strAge.EnableWindow(true);
	}
	
}

void CTeacherDlg::OnTeacherDel() 
{
	//得到CList当前所选的行号
	int row=m_list.GetSelectionMark();
	CString s,strSQL;
	//将当前行的第一列的值赋给s
	s=m_list.GetItemText(row,0);
	if(s=="")//如果s为空，则表示没有选中行
	{
		MessageBox("请选择一行！");
	}
	else
	{
		//弹出窗口询问是否删除数据
		if(MessageBox("确定要删除记录吗?","删除询问",MB_OKCANCEL|MB_ICONQUESTION)==IDOK)
		{
			//查询所选行所在的记录
			strSQL.Format("teacher_id=%s",s);
			m_teacherSet.Open();
			m_teacherSet.m_strFilter=strSQL;
			m_teacherSet.Requery();
			m_teacherSet.Edit();
			//设置active_status="N";
			m_teacherSet.m_active_status="N";
			//更新数据库
			m_teacherSet.Update();
			//关闭数据库
			m_teacherSet.Close();
			//更新CList数据
			RefreshList();
		}
	}
	
}

void CTeacherDlg::OnTeacherConfirm() 
{
	CString no,name,level,strSex;
	//得到输入编辑框的值
	m_strNo.GetWindowText(no);
	m_strName.GetWindowText(name);
	//将CString类型转化为int型
	int age;
	CString s;
    m_strAge.GetWindowText(s);
	age=atoi(s);
	//取得单选按纽的状态
	int sex=this->GetCheckedRadioButton(IDC_RADIO_TEACHER_FEMALE,IDC_RADIO_TEACHER_MALE);
	if(sex==IDC_RADIO_TEACHER_FEMALE)
		strSex="女";
	else
		strSex="男";
	m_strLevel.GetWindowText(level);
    //
	if(name=="")//如果教师姓名为空
	{
		MessageBox("请输入教师姓名");
	}
	else
	{
		//设置记录添加或编辑后的值
        m_teacherSet.m_teacher_no=no;
		m_teacherSet.m_teacher_name=name;
		m_teacherSet.m_teacher_sex=strSex;
		m_teacherSet.m_teacher_age=age;
		m_teacherSet.m_teacher_level=level;
		m_teacherSet.m_active_status="Y";
		//更新记录集
		m_teacherSet.Update();
		//关闭记录集
		m_teacherSet.Close();
		//更新列表数据
		RefreshList();
		//按钮恢复初始状态
		ResetButton();
	}
	
}

void CTeacherDlg::OnCancel() 
{
	if(m_teacherSet.IsOpen())//如果记录集打开，则关闭记录集
		m_teacherSet.Close();
	ResetButton();
	CDialog::OnCancel();
}