www.pudn.com > c02 vc6.rar > CEditReplaceDlg.cpp

//////////////////////////////////////////////////////////////////////////// 
//	File:		CEditReplaceDlg.cpp 
//	Version:	1.0.0.0 
//	Created:	29-Dec-1998 
// 
//	Author:		Stcherbatchenko Andrei 
//	E-mail:		windfall@gmx.de 
// 
//	Implementation of the CEditReplaceDlg dialog, a part of Crystal Edit - 
//	syntax coloring text editor. 
// 
//	You are free to use or modify this code to the following restrictions: 
//	- Acknowledge me somewhere in your about box, simple "Parts of code by.." 
//	will be enough. If you can't (or don't want to), contact me personally. 
//	- LEAVE THIS HEADER INTACT 
//////////////////////////////////////////////////////////////////////////// 
 
#include "stdafx.h" 
#include "CEditReplaceDlg.h" 
#include "CCrystalEditView.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CEditReplaceDlg dialog 
 
 
CEditReplaceDlg::CEditReplaceDlg(CCrystalEditView *pBuddy) : CDialog(CEditReplaceDlg::IDD, NULL) 
{ 
	ASSERT(pBuddy != NULL); 
	m_pBuddy = pBuddy; 
	//{{AFX_DATA_INIT(CEditReplaceDlg) 
	m_bMatchCase = FALSE; 
	m_bWholeWord = FALSE; 
	m_sText = _T(""); 
	m_sNewText = _T(""); 
	m_nScope = -1; 
	//}}AFX_DATA_INIT 
	m_bEnableScopeSelection = TRUE; 
} 
 
 
void CEditReplaceDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CEditReplaceDlg) 
	DDX_Check(pDX, IDC_EDIT_MATCH_CASE, m_bMatchCase); 
	DDX_Check(pDX, IDC_EDIT_WHOLE_WORD, m_bWholeWord); 
	DDX_Text(pDX, IDC_EDIT_TEXT, m_sText); 
	DDX_Text(pDX, IDC_EDIT_REPLACE_WITH, m_sNewText); 
	DDX_Radio(pDX, IDC_EDIT_SCOPE_SELECTION, m_nScope); 
	//}}AFX_DATA_MAP 
} 
 
 
BEGIN_MESSAGE_MAP(CEditReplaceDlg, CDialog) 
	//{{AFX_MSG_MAP(CEditReplaceDlg) 
	ON_EN_CHANGE(IDC_EDIT_TEXT, OnChangeEditText) 
	ON_BN_CLICKED(IDC_EDIT_REPLACE, OnEditReplace) 
	ON_BN_CLICKED(IDC_EDIT_REPLACE_ALL, OnEditReplaceAll) 
	ON_BN_CLICKED(IDC_EDIT_SKIP, OnEditSkip) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CEditReplaceDlg message handlers 
 
void CEditReplaceDlg::OnChangeEditText()  
{ 
	CString text; 
	GetDlgItem(IDC_EDIT_TEXT)->GetWindowText(text); 
	GetDlgItem(IDC_EDIT_SKIP)->EnableWindow(text != _T("")); 
} 
 
void CEditReplaceDlg::OnCancel()  
{ 
	VERIFY(UpdateData()); 
 
	CDialog::OnCancel(); 
} 
 
BOOL CEditReplaceDlg::OnInitDialog()  
{ 
	CDialog::OnInitDialog(); 
	 
	GetDlgItem(IDC_EDIT_SKIP)->EnableWindow(m_sText != _T("")); 
	GetDlgItem(IDC_EDIT_SCOPE_SELECTION)->EnableWindow(m_bEnableScopeSelection); 
	m_bFound = FALSE; 
 
	return TRUE; 
} 
 
BOOL CEditReplaceDlg::DoHighlightText() 
{ 
	ASSERT(m_pBuddy != NULL); 
	DWORD dwSearchFlags = 0; 
	if (m_bMatchCase) 
		dwSearchFlags |= FIND_MATCH_CASE; 
	if (m_bWholeWord) 
		dwSearchFlags |= FIND_WHOLE_WORD; 
 
	BOOL bFound; 
	if (m_nScope == 0) 
	{ 
		//	Searching selection only 
		bFound = m_pBuddy->FindTextInBlock(m_sText, m_ptFoundAt, m_ptBlockBegin, m_ptBlockEnd, 
											dwSearchFlags, FALSE, &m_ptFoundAt); 
	} 
	else 
	{ 
		//	Searching whole text 
		bFound = m_pBuddy->FindText(m_sText, m_ptFoundAt, dwSearchFlags, FALSE, &m_ptFoundAt); 
	} 
 
	if (! bFound) 
	{ 
		CString prompt; 
		prompt.Format(IDS_EDIT_TEXT_NOT_FOUND, m_sText); 
		AfxMessageBox(prompt); 
		m_ptCurrentPos = m_nScope == 0 ? m_ptBlockBegin : CPoint(0, 0); 
		return FALSE; 
	} 
 
	m_pBuddy->HighlightText(m_ptFoundAt, lstrlen(m_sText)); 
	return TRUE; 
} 
 
void CEditReplaceDlg::OnEditSkip()  
{ 
	if (! UpdateData()) 
		return; 
 
	if (! m_bFound) 
	{ 
		m_ptFoundAt = m_ptCurrentPos; 
		m_bFound = DoHighlightText(); 
		return; 
	} 
 
	m_ptFoundAt.x += 1; 
	m_bFound = DoHighlightText(); 
} 
 
void CEditReplaceDlg::OnEditReplace()  
{ 
	if (! UpdateData()) 
		return; 
 
	if (! m_bFound) 
	{ 
		m_ptFoundAt = m_ptCurrentPos; 
		m_bFound = DoHighlightText(); 
		return; 
	} 
 
	//	We have highlighted text 
	VERIFY(m_pBuddy->ReplaceSelection(m_sNewText)); 
 
	//	Manually recalculate points 
	if (m_bEnableScopeSelection) 
	{ 
		if (m_ptBlockBegin.y == m_ptFoundAt.y && m_ptBlockBegin.x > m_ptFoundAt.x) 
		{ 
			m_ptBlockBegin.x -= lstrlen(m_sText); 
			m_ptBlockBegin.x += lstrlen(m_sNewText); 
		} 
		if (m_ptBlockEnd.y == m_ptFoundAt.y && m_ptBlockEnd.x > m_ptFoundAt.x) 
		{ 
			m_ptBlockEnd.x -= lstrlen(m_sText); 
			m_ptBlockEnd.x += lstrlen(m_sNewText); 
		} 
	} 
	m_ptFoundAt.x += lstrlen(m_sNewText); 
	m_bFound = DoHighlightText(); 
} 
 
void CEditReplaceDlg::OnEditReplaceAll()  
{ 
	if (! UpdateData()) 
		return; 
 
	if (! m_bFound) 
	{ 
		m_ptFoundAt = m_ptCurrentPos; 
		m_bFound = DoHighlightText(); 
	} 
 
	while (m_bFound) 
	{ 
		//	We have highlighted text 
		VERIFY(m_pBuddy->ReplaceSelection(m_sNewText)); 
 
		//	Manually recalculate points 
		if (m_bEnableScopeSelection) 
		{ 
			if (m_ptBlockBegin.y == m_ptFoundAt.y && m_ptBlockBegin.x > m_ptFoundAt.x) 
			{ 
				m_ptBlockBegin.x -= lstrlen(m_sText); 
				m_ptBlockBegin.x += lstrlen(m_sNewText); 
			} 
			if (m_ptBlockEnd.y == m_ptFoundAt.y && m_ptBlockEnd.x > m_ptFoundAt.x) 
			{ 
				m_ptBlockEnd.x -= lstrlen(m_sText); 
				m_ptBlockEnd.x += lstrlen(m_sNewText); 
			} 
		} 
		m_ptFoundAt.x += lstrlen(m_sNewText); 
		m_bFound = DoHighlightText(); 
	} 
}