mainfrm.cpp

Visual C++ 实践与提高--数据库篇的源代码。很好的东西。欢迎下载。

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

#include "stdafx.h"
#include "DAOQry.h"
#include "DaoListView.h"
#include "MainFrm.h"
#include "OptionsDlg.h"
#include "DAOQryDoc.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_OPTIONS, OnViewOptions)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

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

/////////////////////////////////////////////////////////////////////////////
// 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;
	//创建工具条
	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
	}

	//创建状态条
	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
	}

	//使工具条可以停靠
	m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
	EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_wndToolBar);

	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


BOOL CMainFrame::OnCreateClient(LPCREATESTRUCT lpcs, CCreateContext* pContext) 
{
	//切分视图成1 row X 2 columns
	if (!m_Splitter.CreateStatic(this, 1, 2))
	{
		TRACE0("Failed to CreateStaticSplitter\n");
		return FALSE;
	}

	//左视
	if (!m_Splitter.CreateView(0, 0,
		pContext->m_pNewViewClass, CSize(200, 50), pContext))
	{
		TRACE0("Failed to create first pane\n");
		return FALSE;
	}

	//右视
	if (!m_Splitter.CreateView(0, 1,
		RUNTIME_CLASS(CDaoListView), CSize(0, 0), pContext))
	{
		TRACE0("Failed to create second pane\n");
		return FALSE;
	}

	//设置初始活动视图
	SetActiveView((CView*)m_Splitter.GetPane(0,1));

	return TRUE;
}

//设置是否显示系统对象和是否提示警告信息等选项开关
void CMainFrame::OnViewOptions() 
{
	CPropertySheet propSheet(_T("DaoView - Options"));
	COptionsDlg pageOptions;
	propSheet.AddPage(&pageOptions);

	CDAOQryApp* pApp = (CDAOQryApp *)AfxGetApp();

	pageOptions.m_bShowWarnings = pApp->m_bShowWarnings;
	pageOptions.m_bShowSystemObjects = pApp->m_bShowSystemObjects;
	pageOptions.m_bOpenODBC= pApp->m_bOpenODBC;
	pageOptions.m_nMaxRecords= pApp->m_nMaxRecords;

	if (propSheet.DoModal() == IDOK)
	{
		BOOL bRebuildList = FALSE;
		if (pApp->m_bShowSystemObjects != pageOptions.m_bShowSystemObjects)
			bRebuildList = TRUE;

		pApp->m_bShowSystemObjects = pageOptions.m_bShowSystemObjects;

		if (bRebuildList)
			((CDAOQryDoc*) GetActiveDocument())->RefreshViews();

		pApp->m_bShowWarnings = pageOptions.m_bShowWarnings;
		pApp->m_bOpenODBC = pageOptions.m_bOpenODBC;
		pApp->m_nMaxRecords = pageOptions.m_nMaxRecords;
	}	
}