infomandlg.cpp

C++应用编程20例,各种小程序原代码都有

// InfoManDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Classsystem.h"
#include "InfoManDlg.h"
#include "COMDEF.H"
#include "Columns.h"
#include "Column.h"
#include "InfoEditDlg.h"
#include "_recordset.h"
#include "Employees.h"
#include "Departments.h"
#include "InfoManDlg.h"

extern CUsers curUser;

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

/////////////////////////////////////////////////////////////////////////////
// CInfoManDlg dialog


CInfoManDlg::CInfoManDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CInfoManDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CInfoManDlg)
	m_XueHao = _T("");
	//}}AFX_DATA_INIT
}


void CInfoManDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CInfoManDlg)
	DDX_Control(pDX, IDC_TREE1, m_tree);
	DDX_Control(pDX, IDC_DATAGRID1, m_datagrid);
	DDX_Control(pDX, IDC_ADODC1, m_Adodc);
	DDX_Text(pDX, IDC_XUEHAO_EDIT, m_XueHao);
	DDV_MaxChars(pDX, m_XueHao, 6);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CInfoManDlg, CDialog)
	//{{AFX_MSG_MAP(CInfoManDlg)
	ON_NOTIFY(TVN_SELCHANGED, IDC_TREE1, OnSelchangedTree1)
	ON_BN_CLICKED(ID_SEARCH, OnSearch)
	ON_BN_CLICKED(IDC_ADD_BUTTON, OnAddButton)
	ON_BN_CLICKED(IDC_MODI_BUTTON, OnModiButton)
	ON_BN_CLICKED(IDC_DEL_BUTTON, OnDelButton)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CInfoManDlg message handlers

void CInfoManDlg::OnOK() 
{
	// TODO: Add extra validation here
	
//	CDialog::OnOK();
}

BOOL CInfoManDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	//权限控制，如果不是系统管理员则添加、修改和删除按钮置灰
	if (curUser.GetUser_type() != 2)
	{
		GetDlgItem(IDC_ADD_BUTTON)->EnableWindow(FALSE);
		GetDlgItem(IDC_MODI_BUTTON)->EnableWindow(FALSE);
		GetDlgItem(IDC_DEL_BUTTON)->EnableWindow(FALSE);
		//GetDlgItem(IDC_TRANSFER_BUTTON)->EnableWindow(FALSE);
		//GetDlgItem(IDC_EXP_BUTTON)->EnableWindow(FALSE);
		//GetDlgItem(IDC_FAMILY_BUTTON)->EnableWindow(FALSE);
	}
	//装入部门信息
	dep.Load_dep();
	
	//添加根节点
	m_treeImageList.Create(16,16,FALSE,1,0);  //创建CImageList控件
	//装入ICON资源
	HICON hIcon = ::LoadIcon(AfxGetResourceHandle(), MAKEINTRESOURCE(IDI_ICON1));
	m_treeImageList.Add(hIcon);  //将ICON资源添加到CImageList控件中
	//将CImageList控件与Tree控件相关联	
	m_tree.SetImageList(&m_treeImageList, LVSIL_NORMAL);
	m_root = m_tree.InsertItem("专业信息");  //添加根节点
	//调用AddtoTree() 函数，将所有部门信息添加到Tree控件中	
	AddtoTree(m_root, 0);
	m_tree.Expand(m_root, TVE_EXPAND); //展开根节点
	//选中根节点
	m_tree.SelectItem(m_root);

	//设置员工状态属性
	//m_combo.SetCurSel(0);
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}
void CInfoManDlg::Refresh_Data()
{
	UpdateData(TRUE);
	//从Tree控件中读取部门编号信息
	CString iDepId;
	HTREEITEM node;
	node = m_tree.GetSelectedItem();
	iDepId = m_tree.GetItemText(node);
	//根据部门编号设置SELECT语句
	CString cDepId;
	cDepId=iDepId;
	CString cSource = "SELECT * from xs where 专业名='" + cDepId+"'";
	
	m_Adodc.SetRecordSource(cSource);
	m_Adodc.Refresh();

	//设置列宽度
	_variant_t vIndex;
	vIndex = long(0);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(40);
	vIndex = long(1);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(50);
	vIndex = long(2);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(80);
	vIndex = long(3);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(25);
	vIndex = long(4);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(60);
	vIndex = long(5);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(25);
	vIndex = long(6);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(200);
}

void CInfoManDlg::OnSelchangedTree1(NMHDR* pNMHDR, LRESULT* pResult) 
{
	NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;
	// TODO: Add your control notification handler code here
	Refresh_Data();
	*pResult = 0;
}
void CInfoManDlg::AddtoTree(HTREEITEM m_node, int UpperId)
{
	//使用递归方法将部门添加到TreeView控件中
	int i;
	HTREEITEM m_child;
	//依次访问dep对象中的部门数组，查找满足条件的记录添加到Tree控件中
	for(i=0; i<dep.a_UpperId.GetSize(); i++)
	{
		//@@@@ 打开a_UpperId数组中等于UpperId的元素
		//@@@@ 表明此元素为当前根节点的子节点，因此将其添加到Tree控件中，新节点为m_child
		//@@@@ 使用SetItemData()函数将部门编号值也保存在新节点中
		//@@@@ 以新节点为根节点，再次递归调用AddtoTree()函数，将其子节点添加到Tree控件中
		if (UpperId == atoi(dep.a_UpperId.GetAt(i)))
		{
			m_child = m_tree.InsertItem(dep.a_DepName.GetAt(i), m_node);
			m_tree.SetItemData(m_child, atol(dep.a_DepId.GetAt(i)));
			AddtoTree(m_child, atoi(dep.a_DepId.GetAt(i)));
		}
	}
}

void CInfoManDlg::OnSearch() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	//从Tree控件中读取部门编号信息
	CString XueHao;
	XueHao=m_XueHao;
	CString cSearch = "SELECT * from xs where 学号='" + XueHao+"'";
	
	m_Adodc.SetRecordSource(cSearch);
	m_Adodc.Refresh();

	//设置列宽度
	_variant_t vIndex;
	vIndex = long(0);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(40);
	vIndex = long(1);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(50);
	vIndex = long(2);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(80);
	vIndex = long(3);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(25);
	vIndex = long(4);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(60);
	vIndex = long(5);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(25);
	vIndex = long(6);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(200);
}

void CInfoManDlg::OnAddButton() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);

	HTREEITEM node;  //用于保存当前节点
	node = m_tree.GetSelectedItem(); //取得当前节点值
	int iDepId;
	CString iDepName;
	iDepId = m_tree.GetItemData(node);
	iDepName=m_tree.GetItemText(node);
	if (iDepId == 0)  //不能在根节点添加员工
	{
		MessageBox("请选择专业");
		return;
	}

	CInfoEditDlg dlg;
	//初始化变量
	//dlg.EmpId ="";  //员工编号为0，表示添加
	dlg.DepId = 0; //部门编号
	dlg.cSex = "男";  //性别初始化为男
	dlg.m_Major=iDepName;
	//dlg.EmpId=m_datagrid.GetItem(0);
	//添加员工时，将日期控件设置为当天
	CTime t = CTime::GetCurrentTime();
	dlg.m_Birth = t;
//	dlg.m_HireDate = t;

	if (dlg.DoModal() == IDOK)
		Refresh_Data();
}

void CInfoManDlg::OnModiButton() 
{
	// TODO: Add your control notification handler code here
		UpdateData(TRUE);

	if (m_Adodc.GetRecordset().GetEof())
	{
		MessageBox("请选择要修改的记录!");
		return;
	}
	//读取选择员工的记录
	CEmployees emp;
	emp.GetData(m_datagrid.GetItem(0));
	//将员工数据读取到编辑对话框中
	CInfoEditDlg dlg;
//	dlg.EmpId = emp.GetEmp_Id();
	dlg.EmpName = emp.GetEmp_Name();
	dlg.DepId = 1;

	dlg.m_EmpName = emp.GetEmp_Name();
	dlg.cSex = emp.GetSex();

	//设置日期数据
	int yy=atoi(emp.GetBirth().Left(4));
	int mm=atoi(emp.GetBirth().Mid(6,2));
	int dd=atoi(emp.GetBirth().Right(2));
	CTime t(yy,mm,dd,0,0,0);
	dlg.m_Birth = t;
	dlg.m_Badge = emp.GetBadgeId();
	dlg.m_Grade = emp.GetId_Card();

	dlg.m_Major = emp.GetPosition();
	dlg.m_Memo = emp.GetMemo();

	if (dlg.DoModal() == IDOK)
		Refresh_Data();
}

void CInfoManDlg::OnDelButton() 
{
	// TODO: Add your control notification handler code here
	if (m_Adodc.GetRecordset().GetEof())
	{
		MessageBox("请选择要删除的记录!");
		return;
	}
	//读取选择员工的记录
	if (MessageBox("是否删除当前记录？","请确认", MB_YESNO) == IDYES)
	{
		CEmployees emp;
		emp.sql_delete(m_datagrid.GetItem(0));
		Refresh_Data();
	}	
}