// UserDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ExMIS.h"
#include "UserDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CUserDlg dialog


CUserDlg::CUserDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CUserDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CUserDlg)
	m_nPower = 0;
	m_strPassword = _T("");
	m_strUsername = _T("");
	//}}AFX_DATA_INIT
}


void CUserDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CUserDlg)
	DDX_Control(pDX, IDC_LIST, m_ctrlList);
	DDX_Text(pDX, IDC_EDIT_POWER, m_nPower);
	DDV_MinMaxInt(pDX, m_nPower, 0, 3);
	DDX_Text(pDX, IDC_EDIT_PASSWORD, m_strPassword);
	DDX_Text(pDX, IDC_EDIT_USERNAME, m_strUsername);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CUserDlg, CDialog)
	//{{AFX_MSG_MAP(CUserDlg)
	ON_NOTIFY(NM_CLICK, IDC_LIST, OnClickList)
	ON_BN_CLICKED(IDC_BUTTON_CLEAR, OnButtonClear)
	ON_BN_CLICKED(IDC_BUTTON_ADD, OnButtonAdd)
	ON_BN_CLICKED(IDC_BUTTON_EDIT, OnButtonEdit)
	ON_BN_CLICKED(IDC_BUTTON_DEL, OnButtonDel)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CUserDlg message handlers

BOOL CUserDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	//添加的代碼
	m_ctrlList.InsertColumn(0,"用戶名");
	m_ctrlList.SetExtendedStyle(LVS_EX_FULLROWSELECT|LVS_EX_GRIDLINES);
	m_ctrlList.SetColumnWidth(0,160);

	//打開ADO的連接
	m_pRS.ADOOpen();

	//在列表中顯示用戶
	ShowListItems();	
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CUserDlg::ShowListItems()
{
	m_ctrlList.DeleteAllItems();
	m_pRS.ADOExcute("SELECT Username FROM UserTab");
	int i=0;
	while(!m_pRS.ADOEOF()){	
		m_ctrlList.InsertItem(i++,m_pRS.GetFieldString(0));
		m_pRS.MoveNext();
	}
	//m_ctrlList.SetRedraw(TRUE);
}

void CUserDlg::OnClickList(NMHDR* pNMHDR, LRESULT* pResult) 
{	
	*pResult = 0;
	//添加的代碼:從數據庫中獲取選擇用戶名的資料	
	CString strSQL;
	int i = m_ctrlList.GetSelectionMark();
	CString str=m_ctrlList.GetItemText(i,0);
	strSQL.Format("SELECT * FROM UserTab WHERE Username='%s'",str);
	m_pRS.ADOExcute(strSQL);
	if(m_pRS.nFieldRows!=1)
	{
		AfxMessageBox("數據庫查找錯誤!");
		return ;
	}
	m_strUsername=m_pRS.GetFieldString("Username");
	m_strPassword=m_pRS.GetFieldString("Password");
	m_nPower=m_pRS.GetFieldNumber("Power");
	UpdateData(false);
}

void CUserDlg::OnButtonClear() 
{
	// 清空
	m_strUsername="";
	m_strPassword="";
	m_nPower=0;
	UpdateData(false);
}

void CUserDlg::OnButtonAdd() 
{
	// 添加:password,user等是SQL語言中的保留字,在執行此類SQL操作時應加上方括號
	UpdateData(true);
	CString sql;
	sql.Format("INSERT INTO UserTab(Username,[Password],Power) Values ('%s','%s',%d)",m_strUsername,m_strPassword,m_nPower);

	if(m_pRS.ADOExcuteNoQuery(sql)==1){	
		AfxMessageBox("增加記錄成功!");
		//增加完記錄后,馬上刷新顯示;
		ShowListItems();
	}else{
		AfxMessageBox("增加記錄失敗,可能是重復的用戶名,可選擇保存修改!");
	}
}

void CUserDlg::OnButtonEdit() 
{
	// 編輯:password,user等是SQL語言中的保留字,在執行此類SQL操作時應加上方括號
	UpdateData(true);
	CString sql;
	sql.Format("UPDATE UserTab SET [Password]='%s',Power=%d WHERE Username='%s'",m_strPassword,m_nPower,m_strUsername);
	AfxMessageBox(sql);
	if(m_pRS.ADOExcuteNoQuery(sql)==1){	
		AfxMessageBox("編輯記錄成功!");
		//編輯完記錄后,馬上刷新顯示;
		ShowListItems();
	}else{
		AfxMessageBox("編輯記錄失敗!");
	}
}

void CUserDlg::OnButtonDel() 
{
	// 刪除,此操作不能恢復,一般都需要確認一下
	if(AfxMessageBox("您確認要刪除嗎?",MB_OKCANCEL)==IDOK)
	{
		UpdateData(true);
		CString sql;
		sql.Format("DELETE * FROM UserTab WHERE Username='%s'",m_strUsername);

		if(m_pRS.ADOExcuteNoQuery(sql)==1){	
			AfxMessageBox("刪除記錄成功!");
			//刷新顯示;
			ShowListItems();
		}else{
			AfxMessageBox("刪除記錄失敗!");
		}
	}
}