librarydlg.cpp

采用MFC+SQLSERVER 2000的图书管理系统,ODBC方式连接数据库。功能包括 书籍管理

// libraryDlg.cpp : implementation file
//

#include "stdafx.h"
#include "library.h"
#include "libraryDlg.h"
#include "LogInDlg.h"
#include "BookManageDlg.h"
#include "UsersManageDlg.h"
#include "InitDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CLibraryDlg dialog

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

void CLibraryDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CLibraryDlg)
	DDX_Control(pDX, IDC_WEB, m_Web);
	DDX_Control(pDX, IDC_PARENT, m_Parent);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CLibraryDlg, CDialog)
	//{{AFX_MSG_MAP(CLibraryDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_COMMAND(ID_MENUBOOK_MANAGE, OnMenubookManage)
	ON_WM_TIMER()
	ON_WM_ERASEBKGND()
	ON_COMMAND(ID_MENUUSERS_MANAGE, OnMenuusersManage)
	ON_COMMAND(ID_TOOLBOOKMANAGE, OnToolbookmanage)
	ON_COMMAND(ID_TOOLUSERSMANAGE, OnToolusersmanage)
	ON_COMMAND(ID_MENU_INIT, OnMenuInit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLibraryDlg message handlers

BOOL CLibraryDlg::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
	//状态栏
		m_StatusBar.Create(this);
	
	//添加状态栏面板
	UINT  Indicates[4]; 
	for (int i = 0; i<4;i++)
	{
		Indicates[i] = 50+i;
	}
   
	m_StatusBar.SetIndicators(Indicates,4);
	CRect rect;
	GetClientRect(rect);
	
	UINT PaneWidth = rect.Width()/6;

	//设置面板宽度
	for(int n = 0;n<3;n++)
	{
		m_StatusBar.SetPaneInfo(n,50+n*10,SBPS_NORMAL,PaneWidth);
	}
	//设置状态栏面板文本

	m_StatusBar.SetPaneInfo(3,111,SBPS_NORMAL,800);
	m_StatusBar.SetPaneText(0,"你好");
	m_StatusBar.SetPaneText(1,"欢迎您使用本系统");
	m_StatusBar.SetPaneText(2,"    欢迎您进入");
	RepositionBars(AFX_IDW_CONTROLBAR_FIRST,AFX_IDW_CONTROLBAR_LAST,0);	
	m_Parent.SetParent(&m_StatusBar);
	//获取控件的显示区域
	m_StatusBar.GetStatusBarCtrl().GetRect(3,Rect);
	Rect.DeflateRect(1,1,1,1);
	m_Parent.MoveWindow(Rect);
	m_Parent.GetClientRect(Rect);
	m_Web.GetClientRect(rect1);
	m_Web.SetParent(&m_Parent);
	m_Parent.GetClientRect(CurRect);
	CurRect.DeflateRect(0,1,Rect.Width()-rect1.Width(),1);
	m_Web.MoveWindow(CurRect);
	
	SetTimer(1,200,NULL);


	m_ToolBar.Create(this); //创建工具栏
    m_ToolBar.LoadToolBar(IDR_TOOLBAR1);//加载工具栏
    //得出控件条大小.
    
     CRect rectNow;
    GetClientRect(rect);
    RepositionBars(AFX_IDW_CONTROLBAR_FIRST,AFX_IDW_CONTROLBAR_LAST,0,reposQuery,rectNow);

    //放置控件条位置
    CPoint ptOffset(rectNow.left-rect.left,rectNow.top-rect.top);

    CRect rcChild;
    CWnd* pwndChild=GetWindow(GW_CHILD);
    while (pwndChild)
	{                               
        pwndChild->GetWindowRect(rcChild);
        ScreenToClient(rcChild);
        rcChild.OffsetRect(ptOffset);
        pwndChild->MoveWindow(rcChild,FALSE);
        pwndChild=pwndChild->GetNextWindow();
	}
    //调整对话框尺寸
    CRect rcWindow;
    GetWindowRect(rcWindow);
    rcWindow.right+=rect.Width()-rectNow.Width();
    rcWindow.bottom+=rect.Height()-rectNow.Height();
    MoveWindow(rcWindow, FALSE);

     //控件条定位
     RepositionBars(AFX_IDW_CONTROLBAR_FIRST,AFX_IDW_CONTROLBAR_LAST,0);
  
     //对框居中
     CenterWindow();

	CLogInDlg log_dlg;
	b_Login = 1;
 	log_dlg.b_Login = &b_Login;
	log_dlg.DoModal();
	if(b_Login)
	{  
		CDialog::OnOK();
	}
	  
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CLibraryDlg::OnMenubookManage() 
{
	// TODO: Add your command handler code here
    CBookManageDlg dlg;
	dlg.DoModal();
}
void CLibraryDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	if (CurRect.left>=Rect.right)
	{
		CurRect.left = Rect.left-rect1.Width();
		CurRect.right =Rect.left;
	}
	else
	{
		CurRect.left+=4;
		CurRect.right+=4;
	}	

	//调整控件位置
	m_Web.MoveWindow(CurRect);
 
	CDialog::OnTimer(nIDEvent);
}
BOOL CLibraryDlg::OnEraseBkgnd(CDC* pDC) 
{    
	CRect rc;
  pDC->GetClipBox(&rc);
  DrawGradient(pDC->GetSafeHdc(), rc, RGB(128,255,0), RGB(0,0,255), 1);		
  //pDC->TextOut(200,200,"Wait...");
 // Sleep(3000);
  return TRUE;
}
void CLibraryDlg::DrawGradient(HDC pDC,const RECT& rect,COLORREF begin, COLORREF end, const int &width)
{
	RECT rcstep;	
	HBRUSH br;
	int	n,m;
	float step=0.0;
	int	nred=0,ngreen=0,nblue=0;
	float red=0.0,green=0.0,blue=0.0;

	nred=(GetRValue(end)-GetRValue(begin));
	ngreen=(GetGValue(end)-GetGValue(begin));
	nblue=(GetBValue(end)-GetBValue(begin));
	step=(float)abs(rect.top-rect.bottom)/(float)width;
	red=nred/(float)step;
	green=ngreen/(float)step;
	blue=nblue/(float)step;
	nred=GetRValue(begin);
	ngreen=GetGValue(begin);
	nblue=GetBValue(begin);
	for(int start=0 ; start <= step ; start++)
	{
		//n=min((int)(rect.top+start*width), rect.bottom);
		//	m=min((int)(rect.top+(start+1)*width), rect.bottom);
	    m=start;
		n=start+1;
		::SetRect(&rcstep,rect.left,n,rect.right+1,m);
		br=CreateSolidBrush(RGB(nred + red*start,
		ngreen + green*start,nblue + blue*start));
		HBRUSH oldbr=(HBRUSH)::SelectObject(pDC,br);
		FillRect(pDC,&rcstep,br);
		::SelectObject(pDC,oldbr);
		DeleteObject(br);
	}
}
void CLibraryDlg::OnMenuusersManage() 
{
	// TODO: Add your command handler code here
	 CUsersManageDlg dlg;
	 dlg.DoModal();
} 

void CLibraryDlg::OnToolbookmanage() 
{
	// TODO: Add your command handler code here
	 CBookManageDlg dlg;
	dlg.DoModal();
}

void CLibraryDlg::OnToolusersmanage() 
{
	// TODO: Add your command handler code here
	 CUsersManageDlg dlg;
	 dlg.DoModal();
}

void CLibraryDlg::OnMenuInit() 
{
	// TODO: Add your command handler code here
	CInitDlg dlg;
	dlg.DoModal();
	 
}