demo_outputbar.cpp

使用yacc的一个例子

// Demo_OutputBar.cpp : implementation file
//

#include "stdafx.h"
#include "SdbmsDemo.h"
#include "Demo_OutputBar.h"
#include "Sdbms.h"

extern CSdbms g_sdbms;
extern char *g_strSystemRight[];
extern char *g_strObjectRight[];

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

/////////////////////////////////////////////////////////////////////////////
// CDemo_OutputBar

CDemo_OutputBar::CDemo_OutputBar()
{
	UpdateFont();
	m_eChildBorder = OUTLINE;
	m_nMaxCtrlID = IDC_OUTPUT;
}

CDemo_OutputBar::~CDemo_OutputBar()
{
	for	(int i=0; i<m_TableArray.GetSize(); i++)
	{
		delete m_TableArray[i];
	}
}


BEGIN_MESSAGE_MAP(CDemo_OutputBar, CCJControlBar)
	//{{AFX_MSG_MAP(CDemo_OutputBar)
	ON_WM_CREATE()
	ON_WM_SIZE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDemo_OutputBar message handlers

int CDemo_OutputBar::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CCJControlBar::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	// TODO: Add your specialized creation code here
	// create  the flat tab control.
	if (!m_FlatTabCtrl.Create(NULL, NULL, WS_VISIBLE | WS_CHILD | FTS_HASARROWS | 
		FTS_BOTTOM | FTS_HASHOMEEND,
		CRect(10,10,200,25), this, IDC_FLATTAB))
	{
		TRACE0( "Unable to create flat tab control bar\n" );
		return -1;
	}

	// insert the actual tabs into the control.
	m_FlatTabCtrl.InsertItem(0, "Debug");
	m_FlatTabCtrl.InsertItem(1, "Information");
	m_FlatTabCtrl.InsertItem(2, "Audit");
	m_FlatTabCtrl.InsertItem(3, "Temp");

	// define the default style for the output lists.
	DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_VSCROLL | WS_TABSTOP;

	//创建Debug窗口
	if	(!m_DebugEdit.Create(dwStyle | ES_MULTILINE | ES_READONLY, 
			CRect(0,0,0,0), this, m_nMaxCtrlID++))
	{
		TRACE("Failed to create Debug window.\n");
		return -1;
	}
	m_DebugEdit.SetFont(&m_Font);

	//创建Information窗口
	if	(!m_InfoEdit.Create(dwStyle | ES_MULTILINE | ES_READONLY, 
			CRect(0,0,0,0), this, m_nMaxCtrlID++))
	{
		TRACE("Failed to create information window.\n");
		return -1;
	}
	m_InfoEdit.SetFont(&m_Font);

	//创建审计表AuditTable窗口
	CDemo_TableList *pAuditTableList = new CDemo_TableList(NULL, g_sdbms.m_audit.m_pTable);
	if	(!pAuditTableList->Create(dwStyle | LVS_REPORT, 
			CRect(0,0,0,0), this, m_nMaxCtrlID++))
	{
		TRACE("Failed to create audit table window.\n");
		return -1;
	}
	m_TableArray.Add(pAuditTableList);

	//创建临时表TempTable窗口
	CDemo_TableList *pTempTableList = new CDemo_TableList();
	if	(!pTempTableList->Create(dwStyle | LVS_REPORT, 
			CRect(0,0,0,0), this, m_nMaxCtrlID++))
	{
		TRACE("Failed to create temp table window.\n");
		return -1;
	}
	m_TableArray.Add(pTempTableList);

	// set the current tab.
	SetActiveTabView(0);

	return 0;
}


BOOL CDemo_OutputBar::OnNotify(WPARAM wParam, LPARAM lParam, LRESULT* pResult) 
{
	if(IDC_FLATTAB == (UINT)wParam)
	{
		NMHDR* pNMHDR = (NMHDR*)lParam;

		switch(pNMHDR->code)
		{
		case TCN_SELCHANGING:
			break;
		case TCN_SELCHANGE:
			SetActiveTabView(m_FlatTabCtrl.GetCurSel());
			break;
		}
	}
	
	return CCJControlBar::OnNotify(wParam, lParam, pResult);
}

void CDemo_OutputBar::OnSize(UINT nType, int cx, int cy) 
{
	CCJControlBar::OnSize(nType, cx, cy);
	
	if(m_FlatTabCtrl.GetSafeHwnd())
	{
		CRect rc;
		GetChildRect(rc);
		rc.DeflateRect(1,1);

		// resize the flat tab control.
		m_FlatTabCtrl.MoveWindow(rc.left, rc.bottom-15, rc.Width(), 15);

		int nBottom = rc.bottom;
		if(IsHorzDocked()) {
			nBottom -= 21;
		} else if(IsVertDocked()) {
			nBottom -= 34;
		} else {
			nBottom -= 19;
		}

		// resize lists.
		m_DebugEdit.MoveWindow(rc.left, rc.top, rc.Width(), nBottom);
		m_InfoEdit.MoveWindow(rc.left, rc.top, rc.Width(), nBottom);
		for	(int i=0; i<m_TableArray.GetSize(); i++)
		{
			m_TableArray[i]->MoveWindow(rc.left, rc.top, rc.Width(), nBottom);
			//m_TableArray[i]->AutoSizeColumn();
		}
	}
}

void CDemo_OutputBar::Init()
{
	SetActiveTabView(0);

	m_DebugEdit.SetWindowText("");
	m_InfoEdit.SetWindowText("");

	int nCount = m_TableArray.GetSize() - 2;
	for (int i=0; i<nCount; i++)
	{
		delete m_TableArray[0];
		m_TableArray.RemoveAt(0);
		m_FlatTabCtrl.DeleteItem(2);
	}

	m_TableArray[0]->DeleteAllItems();
}

void CDemo_OutputBar::UpdateFont()
{
	m_Font.DeleteObject();
	NONCLIENTMETRICS ncm;
	memset(&ncm, 0, sizeof(NONCLIENTMETRICS));
	ncm.cbSize = sizeof(NONCLIENTMETRICS);
	VERIFY(::SystemParametersInfo(SPI_GETNONCLIENTMETRICS,
		sizeof(NONCLIENTMETRICS), &ncm, 0));
	_tcscpy( ncm.lfMessageFont.lfFaceName, _T("Courier"));
	m_Font.CreateFontIndirect(&ncm.lfMessageFont);
}

void CDemo_OutputBar::SetActiveTabView(int nTab)
{
	m_DebugEdit.ShowWindow((nTab==0)?SW_SHOW:SW_HIDE);
	m_InfoEdit.ShowWindow((nTab==1)?SW_SHOW:SW_HIDE);
	for	(int i=0; i<m_TableArray.GetSize(); i++)
		m_TableArray[i]->ShowWindow((nTab==2+i)?SW_SHOW:SW_HIDE);
}

BOOL CDemo_OutputBar::SetActiveTabView(CSdbms_Database *pDB, CSdbms_Table *pTable)
{
	ASSERT(pTable);

	for	(int i=0; i<m_TableArray.GetSize(); i++)
		if	((m_TableArray[i]->m_pDatabase == pDB) && (m_TableArray[i]->m_pTable == pTable))
		{
			SetActiveTabView(2+i);
			m_FlatTabCtrl.SetCurSel(2+i);
			return	TRUE;
		}

	return	FALSE;
}

void CDemo_OutputBar::OutputDebugInformation(CString strMessage)
{
	int nLength = m_DebugEdit.GetWindowTextLength();
	m_DebugEdit.SetSel(nLength+1, nLength+1);
	strMessage += "\r\n";
	m_DebugEdit.ReplaceSel(strMessage);
	SetActiveTabView(0);
	m_FlatTabCtrl.SetCurSel(0);
}

void CDemo_OutputBar::OutputUserInformation(CSdbms_User *pUser)
{
	ASSERT(pUser);

	CString str, strTemp;
	strTemp.Format("用户名：%s\r\n", pUser->m_strUserName);
	str = strTemp;
	strTemp.Format("用户口令：%s\r\n", pUser->m_strPassword);
	str += strTemp;
	strTemp.Format("用户ID：%d\r\n", pUser->m_nUserID);
	str += strTemp;
	strTemp.Format("用户最大安全级：%s\r\n", pUser->m_SecLevel.GetFormatString());
	str += strTemp;

	//输出用户在各表上的允许安全级和当前安全级
	POSITION pos = g_sdbms.m_DBList.GetHeadPosition();
	while (pos)	//遍历所有的数据库
	{
		CSdbms_Database *pDB = g_sdbms.m_DBList.GetNext(pos);
		if	(!pDB->m_bInit)
			pDB->Init();

		for	(int i=0; i<pDB->m_TableArray.GetSize(); i++)	//遍历数据库中所有的表
		{
			CSdbms_Table *pTable = pDB->m_TableArray[i];
			strTemp.Format("用户在数据库%s中的表%s上的允许安全级：%s，当前安全级：%s\r\n",
				pDB->m_strDBName, pTable->m_strTableName, 
				pDB->GetUserAllowSecLevel(pUser, pTable).GetFormatString(),
				pDB->GetUserCurSecLevel(pUser, pTable).GetFormatString());
			str += strTemp;
		}
	}

	int nLength = m_InfoEdit.GetWindowTextLength();
	m_InfoEdit.SetSel(0, nLength);
	m_InfoEdit.ReplaceSel(str);
	SetActiveTabView(1);
	m_FlatTabCtrl.SetCurSel(1);
}

void CDemo_OutputBar::OutputRoleInformation(CSdbms_Role *pRole, CSdbms_Database *pDB/*=NULL*/)
{
	CString str, strTemp;

	if	(pRole == NULL)	//数据库创建者
	{
		ASSERT(pDB);
		CSdbms_Role *pCreatorRole = pDB->m_pCreatorRole;
		str = "角色名：" + pDB->m_strDBName + ".OWNER\r\n";
		strTemp.Format("角色ID：%d\r\n", pCreatorRole->m_nRoleID);
		str += strTemp;
		strTemp.Format("角色说明：数据库%s的创建者角色，拥有数据库内的所有权限!\r\n", pDB->m_strDBName);
		str += strTemp;
		str += "          包括增删查改及授权和收权命令，并可设置和改变数据对象的安全级。\r\n"; 

		str += "对象权限被授予给了====> ";
		CSdbms_RoleObjectRight *pRight = pCreatorRole->m_ORList.GetHead();
		if	(pRight->m_ToRoleArray.GetSize() > 0)
			str += pRight->m_ToRoleArray[0]->m_strRoleName;
		for	(int i=1; i<pRight->m_ToRoleArray.GetSize(); i++)
		{
			str += ",  ";
			str += pRight->m_ToRoleArray[i]->m_strRoleName;
		}
		str += "\r\n";
	}