www.pudn.com > QTADO_src.zip > GoToDlg.cpp

// GoToDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "qrytool.h" 
#include "GoToDlg.h" 
#include "MainFrm.h" 
#include "ChildFrm.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CGoToDlg dialog 
 
CGoToDlg::CGoToDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CGoToDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CGoToDlg) 
	m_strLine = _T(""); 
	//}}AFX_DATA_INIT 
 
	m_bPrev = false; 
	m_bNext = false; 
} 
 
CGoToDlg::~CGoToDlg() 
{ 
	OnClose(); 
} 
 
void CGoToDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CGoToDlg) 
	DDX_Text(pDX, IDC_LINE, m_strLine); 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CGoToDlg, CDialog) 
	//{{AFX_MSG_MAP(CGoToDlg) 
	ON_BN_CLICKED(IDC_GOTO, OnGoTo) 
	ON_BN_CLICKED(IDC_CLOSE, OnClose) 
	ON_BN_CLICKED(IDC_PREV, OnPrev) 
	ON_EN_CHANGE(IDC_LINE, OnChangeLine) 
	ON_WM_ACTIVATE() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CGoToDlg message handlers 
 
void CGoToDlg::OnGoTo()  
{ 
	UpdateData(); 
	m_strLine.TrimRight(); 
	m_strLine.TrimLeft(); 
	long nMaxLineCount = -1; 
	long nCurrentLine = -1; 
	long nLineToGo = -1; 
#ifdef _UNICODE 
	USES_CONVERSION; 
	nLineToGo = atol(W2CA((LPCTSTR)m_strLine)); 
#else 
	nLineToGo = atol((LPCTSTR)m_strLine); 
#endif 
	CMainFrame* pFrame = (CMainFrame*)AfxGetMainWnd(); 
	ASSERT(pFrame != NULL); 
	CChildFrame* pChildFrame = (CChildFrame*)pFrame->MDIGetActive(); 
	CView* pView = NULL; 
	if(pChildFrame != NULL) 
		pView = pChildFrame->GetActiveView(); 
	bool bGrid = false; 
	if(pView != NULL && pView->IsKindOf(RUNTIME_CLASS(CResultView))) 
	{ 
		bGrid = pChildFrame->m_pResultView->m_pGridCtrl != NULL && 
			::IsWindow(pChildFrame->m_pResultView->m_pGridCtrl->m_hWnd) && 
			pChildFrame->m_pResultView->m_pGridCtrl->IsWindowVisible(); 
		if(bGrid) 
		{ 
#ifdef _GOTO			 
			try 
			{ 
				nMaxLineCount = pChildFrame->m_pResultView->m_pGridCtrl->GetRows(); 
				nCurrentLine = pChildFrame->m_pResultView->m_pGridCtrl->GetRow(); 
				if(m_bPrev) 
					nLineToGo = --nCurrentLine; 
				else if(m_bNext) 
					nLineToGo = ++nCurrentLine; 
				 
				if(nLineToGo > nMaxLineCount || nLineToGo < 0) 
				{ 
					nLineToGo = nMaxLineCount; 
					m_strLine.Format(_T("%d"), nLineToGo); 
					GetDlgItem(IDC_LINE)->SetWindowText(m_strLine); 
				} 
				else if(nLineToGo == 0) 
				{ 
					nLineToGo = 1; 
					m_strLine = "1"; 
					GetDlgItem(IDC_LINE)->SetWindowText(m_strLine); 
				} 
				pChildFrame->m_pResultView->m_pGridCtrl->SetRow(nLineToGo); 
				 
				pChildFrame->m_strLineColInfo.Format( 
					_T("Ln %d, Col %d"), 
					pChildFrame->m_pResultView->m_pGridCtrl->GetRow(), 
					pChildFrame->m_pResultView->m_pGridCtrl->GetCol()+1 
					); 
				pChildFrame->m_wndStatusBar.SetPaneText( 
					pChildFrame->m_nLineColPaneNo, pChildFrame->m_strLineColInfo 
					); 
			} 
			catch(COleDispatchException* e) 
			{ 
				if(e) 
					e->Delete(); 
			} 
			catch(...) 
			{ 
			} 
#endif 
		} 
	} 
	if(!bGrid) 
	{ 
		CRichEditCtrl* pRichEditCtrl = NULL; 
		if(pView != NULL) 
		{ 
			if(pView->IsKindOf(RUNTIME_CLASS(CQryView))) 
				pRichEditCtrl = &pChildFrame->m_pQryView->GetRichEditCtrl(); 
			else if(pView->IsKindOf(RUNTIME_CLASS(CResultView))) 
				pRichEditCtrl = &pChildFrame->m_pResultView->GetRichEditCtrl(); 
		 
			nMaxLineCount = pRichEditCtrl->GetLineCount(); 
			long lStart = -1; 
			long lEnd = -1; 
			pRichEditCtrl->GetSel(lStart, lEnd); 
			nCurrentLine = pRichEditCtrl->LineFromChar(lStart)+1; 
			 
			if(m_bPrev) 
				nLineToGo = --nCurrentLine; 
			else if(m_bNext) 
				nLineToGo = ++nCurrentLine; 
			 
			if(nLineToGo > nMaxLineCount || nLineToGo < 0) 
			{ 
				nLineToGo = nMaxLineCount; 
				m_strLine.Format(_T("%d"), nLineToGo); 
				GetDlgItem(IDC_LINE)->SetWindowText(m_strLine); 
			} 
			else if(nLineToGo == 0) 
			{ 
				nLineToGo = 1; 
				m_strLine = "1"; 
				GetDlgItem(IDC_LINE)->SetWindowText(m_strLine); 
			} 
			 
			lStart = pRichEditCtrl->LineIndex(nLineToGo-1); 
			lEnd = lStart+1; 
			pRichEditCtrl->SetSel(lStart, lEnd); 
			 
			pRichEditCtrl->GetSel(lStart, lEnd); 
			pChildFrame->m_strLineColInfo.Format( 
				_T("Ln %d, Col %d"), 
				pRichEditCtrl->LineFromChar(lStart)+1, 
				((lEnd-lStart) >= 0 ? lEnd-pRichEditCtrl->LineIndex(-1) : 
					lStart-pRichEditCtrl->LineIndex(-1))+1 
				); 
			pChildFrame->m_wndStatusBar.SetPaneText( 
				pChildFrame->m_nLineColPaneNo, pChildFrame->m_strLineColInfo 
				); 
		} 
	} 
 
	GetDlgItem(IDC_LINE)->SetFocus(); 
} 
 
void CGoToDlg::OnClose()  
{ 
   DestroyWindow(); 
} 
 
void CGoToDlg::OnPrev()  
{ 
	m_bPrev = true; 
	OnGoTo(); 
	m_bPrev = false; 
} 
 
void CGoToDlg::OnChangeLine()  
{ 
	UpdateData(); 
	m_strLine.TrimRight(); 
	m_strLine.TrimLeft(); 
	if(m_strLine.IsEmpty()) 
	{ 
		GetDlgItem(IDC_PREV)->EnableWindow(TRUE); 
		GetDlgItem(IDC_GOTO)->SetWindowText(_T("&Next")); 
		m_bNext = true; 
	} 
	else 
	{ 
		GetDlgItem(IDC_PREV)->EnableWindow(FALSE); 
		GetDlgItem(IDC_GOTO)->SetWindowText(_T("&Go To")); 
		m_bNext = false; 
	} 
} 
 
bool CGoToDlg::PopulateLineNum() 
{ 
	CMainFrame* pFrame = (CMainFrame*)AfxGetMainWnd(); 
	ASSERT(pFrame != NULL); 
	CChildFrame* pChildFrame = (CChildFrame*)pFrame->MDIGetActive(); 
	CView* pView = NULL; 
	if(pChildFrame != NULL) 
		pView = pChildFrame->GetActiveView(); 
	bool bGrid = false; 
	if(pView != NULL && pView->IsKindOf(RUNTIME_CLASS(CResultView))) 
	{ 
		bGrid = pChildFrame->m_pResultView->m_pGridCtrl != NULL && 
			::IsWindow(pChildFrame->m_pResultView->m_pGridCtrl->m_hWnd) && 
			pChildFrame->m_pResultView->m_pGridCtrl->IsWindowVisible(); 
		if(bGrid) 
			m_strLine.Format( 
				_T("%d"), 
				pChildFrame->m_pResultView->m_pGridCtrl->GetRow() 
				); 
	} 
	 
	if(!bGrid) 
	{ 
		CRichEditCtrl* pRichEditCtrl = NULL; 
		if(pView != NULL) 
		{ 
			if(pView->IsKindOf(RUNTIME_CLASS(CQryView))) 
				pRichEditCtrl = &pChildFrame->m_pQryView->GetRichEditCtrl(); 
			else if(pView->IsKindOf(RUNTIME_CLASS(CResultView))) 
				pRichEditCtrl = &pChildFrame->m_pResultView->GetRichEditCtrl(); 
		} 
		if(pRichEditCtrl != NULL) 
		{ 
			long lStart = -1; 
			long lEnd = -1; 
			pRichEditCtrl->GetSel(lStart, lEnd); 
			m_strLine.Format(_T("%d"), pRichEditCtrl->LineFromChar(lStart)+1); 
		} 
	} 
 
	if(pView != NULL) 
	{ 
		CWnd* pWnd = GetDlgItem(IDC_LINE); 
		if(pWnd != NULL) 
		{ 
			pWnd->SetWindowText(m_strLine); 
			pWnd->EnableWindow(!bGrid); 
		} 
		GetDlgItem(IDC_GOTO)->EnableWindow(!bGrid); 
		GetDlgItem(IDC_LINE)->EnableWindow(!bGrid); 
	} 
	else 
	{ 
		GetDlgItem(IDC_LINE)->SetWindowText(NULL); 
		GetDlgItem(IDC_LINE)->EnableWindow(FALSE); 
		GetDlgItem(IDC_GOTO)->EnableWindow(FALSE); 
		GetDlgItem(IDC_PREV)->EnableWindow(FALSE); 
		GetDlgItem(IDC_CLOSE)->SetFocus(); 
	} 
 
	return bGrid; 
} 
 
void CGoToDlg::OnActivate(UINT nState, CWnd* pWndOther, BOOL bMinimized)  
{ 
	bool bGrid = false; 
	if(nState == WA_ACTIVE  || nState == WA_CLICKACTIVE) 
		bGrid = PopulateLineNum(); 
	CDialog::OnActivate(nState, pWndOther, bMinimized); 
	if(!bGrid) 
		GetDlgItem(IDC_LINE)->SetFocus(); 
	else 
		GetDlgItem(IDC_CLOSE)->SetFocus(); 
} 
 
BOOL CGoToDlg::OnInitDialog()  
{ 
	CDialog::OnInitDialog(); 
	 
	return FALSE; 
}