rentdlg.cpp

影碟出租系统 利用mfc编程 与数据库连接

// RentDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Rent.h"
#include "RentDlg.h"
#include "logdlg.h"
#include "adddvdinfo.h"
#include "addrentinfo.h"
#include "checkdvdinfo.h"
#include "checkrentinfo.h"
#include "connectiondb.h"
#include "Rentinfodlg.h"
#include "returndlg.h"
#include "deldvdinfodialog.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()

/////////////////////////////////////////////////////////////////////////////
// CRentDlg dialog

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

void CRentDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CRentDlg)
	DDX_Control(pDX, IDC_LIST_DVDINFO, m_DVDInfoList);
	DDX_Text(pDX, IDC_EDIT_NOTE, m_Note);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CRentDlg, CDialog)
	//{{AFX_MSG_MAP(CRentDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(ID_LOGIN,OnLogIn)
	ON_BN_CLICKED(ID_LOGOUT,OnLogOut)
	ON_BN_CLICKED(ID_ADDNEW,OnAddNew)
	ON_BN_CLICKED(ID_DEL,OnDel)
	ON_BN_CLICKED(ID_ADDRENT,OnAddRent)
	ON_BN_CLICKED(ID_CHECK_DVDINFO,OnCheckDVDInfo)
	ON_BN_CLICKED(ID_CHECK_RENTINFO,OnCheckRentInfo)
	ON_BN_CLICKED(ID_ABOUT,	OnAbout)
	ON_BN_CLICKED(ID_RETURN,OnReturn)
	ON_NOTIFY(NM_CLICK, IDC_LIST_DVDINFO, OnClickListDvdinfo)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRentDlg message handlers

BOOL CRentDlg::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
	m_DVDInfoList.InsertColumn(0,"ID",LVCFMT_LEFT,50,-1);
	m_DVDInfoList.InsertColumn(1,"名称",LVCFMT_LEFT,120,-1);
	m_DVDInfoList.InsertColumn(2,"发行日期",LVCFMT_LEFT,110,-1);
	m_DVDInfoList.InsertColumn(3,"所属地",LVCFMT_LEFT,90,-1);
	m_DVDInfoList.InsertColumn(4,"库存数量",LVCFMT_LEFT,70,-1);
	m_DVDInfoList.InsertColumn(5,"备注",LVCFMT_LEFT,260,-1);
	m_DVDInfoList.SetExtendedStyle(LVS_EX_FULLROWSELECT|LVS_EX_GRIDLINES);

	AfxGetMainWnd()->GetMenu()->EnableMenuItem(ID_LOGIN,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);
	
	CMenu *pTopMenu,*psubMenu;
	pTopMenu=AfxGetMainWnd()->GetMenu();
	psubMenu=pTopMenu->GetSubMenu(0);
	psubMenu->EnableMenuItem(ID_LOGIN,MF_ENABLED);
	psubMenu->EnableMenuItem(ID_LOGOUT,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);
	psubMenu=pTopMenu->GetSubMenu(1);
	psubMenu->EnableMenuItem(ID_ADDNEW,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);
	psubMenu->EnableMenuItem(ID_DEL,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);
	psubMenu->EnableMenuItem(ID_ADDRENT,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);
	psubMenu->EnableMenuItem(ID_RETURN,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);
	psubMenu=pTopMenu->GetSubMenu(2);
	psubMenu->EnableMenuItem(ID_CHECK_DVDINFO,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);
	psubMenu->EnableMenuItem(ID_CHECK_RENTINFO,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);
	psubMenu=pTopMenu->GetSubMenu(3);
	psubMenu->EnableMenuItem(ID_ABOUT,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);

	m_DVDInfoList.EnableWindow(FALSE);	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CRentDlg::OnInitCtrl()
{
	if(m_DVDInfoList.GetItemCount()>0)
	{
		m_DVDInfoList.DeleteAllItems();
		UpdateData(FALSE);
	}
	CLogDlg temp;
	CConnectionDB *connectionptr=new CConnectionDB();
	if(m_pConnection==NULL)
		m_pConnection=connectionptr->Connectiondb();
	m_pConnection=connectionptr->GetConnectionPtr();
	HRESULT hr;
	_RecordsetPtr m_DVDInfoRecordset;
	hr=m_DVDInfoRecordset.CreateInstance(__uuidof(Recordset));
	if(FAILED(hr))
	{
		AfxMessageBox("createinstance of Recordset failed!\n can't initiate list control!");
		return;
	}

	CString strSql;
	_variant_t var;
	CString strValue;
	int curItem=0;
	strSql="SELECT * FROM DVDInfo";
	try
	{
		hr=m_DVDInfoRecordset->Open(_variant_t(strSql),m_pConnection.GetInterfacePtr(),
								adOpenDynamic,adLockOptimistic,adCmdText);
		if(SUCCEEDED(hr))
		{
			while(!m_DVDInfoRecordset->adoEOF)
			{
				var=m_DVDInfoRecordset->GetCollect("DVDID");
				if(var.vt!=VT_NULL)
					strValue=(LPCSTR)_bstr_t(var);
				m_DVDInfoList.InsertItem(curItem,strValue);

				var=m_DVDInfoRecordset->GetCollect("DVDName");
				if(var.vt!=VT_NULL)
					strValue=(LPCSTR)_bstr_t(var);
				m_DVDInfoList.SetItemText(curItem,1,strValue);

				var=m_DVDInfoRecordset->GetCollect("OutDate");
				if(var.vt!=VT_NULL)
					strValue=(LPCSTR)_bstr_t(var);
				m_DVDInfoList.SetItemText(curItem,2,strValue);

				var=m_DVDInfoRecordset->GetCollect("Place");
				if(var.vt!=VT_NULL)
					strValue=(LPCSTR)_bstr_t(var);
				m_DVDInfoList.SetItemText(curItem,3,strValue);

				var=m_DVDInfoRecordset->GetCollect("DVDNum");
				if(var.vt!=VT_NULL)
					strValue=(LPCSTR)_bstr_t(var);
				m_DVDInfoList.SetItemText(curItem,4,strValue);

				var=m_DVDInfoRecordset->GetCollect("Note");
				if(var.vt!=VT_NULL)
				{
					strValue=(LPCSTR)_bstr_t(var);
					m_DVDInfoList.SetItemText(curItem,5,strValue);
				}
				m_DVDInfoRecordset->MoveNext();
				curItem++;
			}//while
		}//if
		else
		{
			AfxMessageBox("open recordset fail!");
		}
	}//try
	catch(_com_error *e)
	{
		AfxMessageBox(e->ErrorMessage());
		return;
	}
	m_DVDInfoRecordset->Close();
	m_DVDInfoRecordset=NULL;
	delete connectionptr;
}


///////////////////////////////////////////////////////////////////
//菜单响应函数

void CRentDlg::OnLogIn()
{//登录菜单
	UpdateData(FALSE);
	CLogDlg logDlg;
	CConnectionDB pconnection;
	if(pconnection.GetConnectionPtr()==NULL)
		pconnection.Connectiondb();
	if(logDlg.DoModal()==IDOK)
	{
		//如果验证成功，则设置登录菜单为不可选，其他菜单为可选
		m_DVDInfoList.EnableWindow(TRUE);
		CMenu *pTopMenu,*psubMenu;
		pTopMenu=AfxGetMainWnd()->GetMenu();
		psubMenu=pTopMenu->GetSubMenu(0);
		psubMenu->EnableMenuItem(ID_LOGIN,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);	
		psubMenu->EnableMenuItem(ID_LOGOUT,MF_ENABLED);
		psubMenu=pTopMenu->GetSubMenu(1);
		psubMenu->EnableMenuItem(ID_ADDNEW,MF_ENABLED);
		psubMenu->EnableMenuItem(ID_DEL,MF_ENABLED);
		psubMenu->EnableMenuItem(ID_ADDRENT,MF_ENABLED);
		psubMenu->EnableMenuItem(ID_RETURN,MF_ENABLED);
		psubMenu=pTopMenu->GetSubMenu(2);
		psubMenu->EnableMenuItem(ID_CHECK_DVDINFO,MF_ENABLED);
		psubMenu->EnableMenuItem(ID_CHECK_RENTINFO,MF_ENABLED);
		psubMenu=pTopMenu->GetSubMenu(3);
		psubMenu->EnableMenuItem(ID_ABOUT,MF_ENABLED);
		OnInitCtrl();
	}
}
void CRentDlg::OnLogOut()
{//注销菜单

	if((MessageBox("是否注销?","提示",MB_OKCANCEL))==IDOK)
	{
		CMenu *pTopMenu,*psubMenu;
		pTopMenu=AfxGetMainWnd()->GetMenu();
		psubMenu=pTopMenu->GetSubMenu(0);
		psubMenu->EnableMenuItem(ID_LOGIN,MF_ENABLED);
		psubMenu->EnableMenuItem(ID_LOGOUT,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);
		psubMenu=pTopMenu->GetSubMenu(1);
		psubMenu->EnableMenuItem(ID_ADDNEW,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);
		psubMenu->EnableMenuItem(ID_DEL,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);
		psubMenu->EnableMenuItem(ID_ADDRENT,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);
		psubMenu->EnableMenuItem(ID_RETURN,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);
		psubMenu=pTopMenu->GetSubMenu(2);
		psubMenu->EnableMenuItem(ID_CHECK_DVDINFO,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);
		psubMenu->EnableMenuItem(ID_CHECK_RENTINFO,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);
		psubMenu=pTopMenu->GetSubMenu(3);
		psubMenu->EnableMenuItem(ID_ABOUT,MF_DISABLED|MF_BYCOMMAND|MF_GRAYED);

		CConnectionDB connection;
		connection.DeleteConnectionPtr();//关闭数据库连接
	
		m_DVDInfoList.DeleteAllItems();	
		UpdateData(FALSE);
		m_DVDInfoList.EnableWindow(FALSE);
	}
	else
		return;
}

void CRentDlg::OnAddNew()
{//添加DVD信息菜单

	CADDDVDInfo addDlg;
	if(addDlg.DoModal()==IDOK)
		UpdateListData();

}
void CRentDlg::OnDel(){
	CDelDVDInfoDialog delDlg;
	if(delDlg.DoModal()==IDOK)
		UpdateListData();
}
void CRentDlg::OnAddRent()
{//添加DVD租借信息菜单
	CAddRentInfo addrentDlg;
	if(addrentDlg.DoModal()==IDOK)
	{
		CRentInfoDlg rentDlg;
		rentDlg.DoModal();
		UpdateListData();
	}

}

void CRentDlg::OnCheckDVDInfo()
{//查找DVD信息菜单
	CCheckDVDInfo dvdDlg;
	dvdDlg.DoModal();
		UpdateListData();

}

void CRentDlg::OnCheckRentInfo()
{//查找租借信息菜单
	CCheckRentInfo rentDlg;
	rentDlg.DoModal();
}

void CRentDlg::OnAbout()
{
	CAboutDlg aboutDlg;
	aboutDlg.DoModal();
}

void CRentDlg::OnReturn()
{//还碟信息菜单
	CReturnDlg returnDlg;
	if(returnDlg.DoModal()==IDOK)
		UpdateListData();

}

////////////////////////////////////////////////////////////////////

void CRentDlg::UpdateListData()
{//更新列表框中的内容
//	m_DVDInfoList.DeleteAllItems();
	OnInitCtrl();

}

void CRentDlg::OnClickListDvdinfo(NMHDR* pNMHDR, LRESULT* pResult) 
{
	// TODO: Add your control notification handler code here
	int sel;
	CString str=_T("    ");
	if(m_DVDInfoList.GetItemCount()>0)
	{
		sel=m_DVDInfoList.GetSelectionMark();
		if(sel>=0)
			str+=m_DVDInfoList.GetItemText(sel,5);
		if(str==_T("    "))
			m_Note="没有内容介绍";
		else
			m_Note=str;
		UpdateData(FALSE);
	}
	*pResult = 0;
}