mainfrm.cpp

Visual C++应用教程-源代码 本书在复习C++基础知识后

// MainFrm.cpp : implementation of the CMainFrame class
//

#include "stdafx.h"
#include "Ex_A4.h"

#include "MainFrm.h"
#include "ScoreDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMainFrame

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
	ON_WM_CREATE()
	ON_COMMAND(ID_VIEW_OP, OnViewOp)
	ON_UPDATE_COMMAND_UI(ID_VIEW_OP, OnUpdateViewOp)
	ON_COMMAND(ID_OP_ADD, OnOpAdd)
	ON_COMMAND(ID_OP_DEL, OnOpDel)
	ON_COMMAND(ID_OP_SEEK, OnOpSeek)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
	ID_SEPARATOR,           // status line indicator
};

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here
	
}

CMainFrame::~CMainFrame()
{
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}

	int nRes = m_wndOpBar.CreateEx(this, TBSTYLE_FLAT, 
		WS_CHILD | WS_VISIBLE | CBRS_TOP | CBRS_GRIPPER | 
		CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC,
		CRect(0,0,0,0),	AFX_IDW_TOOLBAR + 10);
	if (!nRes || !m_wndOpBar.LoadToolBar(IDR_TOOLBAR1))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}

	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("Failed to create status bar\n");
		return -1;      // fail to create
	}

	// TODO: Delete these three lines if you don't want the toolbar to
	//  be dockable
	m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
	m_wndOpBar.EnableDocking(CBRS_ALIGN_ANY);
	EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_wndToolBar);
	DockControlBar(&m_wndOpBar);

	m_wndOpBar.SetWindowText("操作");
	m_popMenu.LoadMenu( IDR_MENU1 );

	UpdateOpMenu( TRUE );

	return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CFrameWnd::Dump(dc);
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers


void CMainFrame::OnViewOp() 
{
	// TODO: Add your command handler code here
	int bShow = m_wndOpBar.IsWindowVisible();
	ShowControlBar( &m_wndOpBar, !bShow, FALSE);	
	UpdateOpMenu( !bShow );
}

void CMainFrame::OnUpdateViewOp(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	int bShow = m_wndOpBar.IsWindowVisible();
	pCmdUI ->SetCheck( bShow );
}

void CMainFrame::UpdateOpMenu( BOOL bIsAdd )
{
	CMenu* pSysMenu = GetMenu();	// 获得程序菜单指针
	UINT nItemCount = pSysMenu->GetMenuItemCount();

	// “操作”工具栏显示，且还没有添加“操作”菜单时，添加
	if (( nItemCount <= 4 ) &&  ( bIsAdd ) )
	{

		pSysMenu->InsertMenu( 3, MF_POPUP | MF_BYPOSITION, 
			(UINT)m_popMenu.GetSubMenu(0)->m_hMenu, "操作&O" );
		DrawMenuBar();
	}

	if (( nItemCount > 4 ) &&  ( !bIsAdd ) )	// 删除
	{
		pSysMenu->RemoveMenu( 3, MF_BYPOSITION );
		DrawMenuBar();
	}
}

void CMainFrame::OnOpAdd() 
{
	// TODO: Add your command handler code here
	CScoreDlg dlg;
	if (IDOK == dlg.DoModal() )
	{
		// 当输入记录有效后，获取相关记录，然后在状态上显示出来
		CString strRes;
		strRes.Format( "姓名:%s, 学号:%s, 3门成绩: %.1f, %0.1f, %.1f",
			dlg.m_strName, dlg.m_strNO, dlg.m_fScore1, dlg.m_fScore2, dlg.m_fScore3 );
		m_wndStatusBar.SetPaneText( 1, strRes );
	} else
		m_wndStatusBar.SetPaneText( 1, "无有效的学生成绩记录！" );
}

void CMainFrame::OnOpDel() 
{
	// TODO: Add your command handler code here
	
}

void CMainFrame::OnOpSeek() 
{
	// TODO: Add your command handler code here
	
}