//-----------------------------------------------------------------------------
// Purpose: Called when they hit the Find, the Replace, or the Replace All button.
// Input : uCmd - The ID of the button the user hit, IDC_FIND_NEXT or IDC_REPLACE.
// Output : Returns TRUE to indicate that the message was handled.
//-----------------------------------------------------------------------------
BOOL CSearchReplaceDlg::OnFindReplace(UINT uCmd)
{
CMapDoc *pDoc = CMapDoc::GetActiveMapDoc();
if (!pDoc)
{
return TRUE;
}
static FindObject_t FindObject;
static CMapClass *pLastFound = NULL;
static nReplaceCount = 0;
bool bDone = false;
do
{
CMapClass *pObject = NULL;
if (m_bNewSearch)
{
//
// New search. Fetch the data from the controls.
//
UpdateData();
GetFindCriteria(FindObject, pDoc);
//
// We have to keep track of the last object in the iteration for replacement,
// because replacement is done when me advance to the next object.
//
pLastFound = NULL;
nReplaceCount = 0;
pObject = FindFirstObject(FindObject);
}
else
{
pObject = FindNextObject(FindObject);
}
//
// Replace All is undone as single operation. Mark the undo position the first time
// we find a match during a Replace All.
//
if (m_bNewSearch && (uCmd == IDC_REPLACE_ALL) && pObject)
{
GetHistory()->MarkUndoPosition(pDoc->Selection_GetList(), "Replace Text");
}
//
// If we have an object to do the replace on, do the replace.
//
if (pLastFound && ((uCmd == IDC_REPLACE) || (uCmd == IDC_REPLACE_ALL)))
{
if (uCmd == IDC_REPLACE)
{
// Allow for undo each time we do a Replace.
GetHistory()->MarkUndoPosition(NULL, "Replace Text");
}
//
// Do the replace on the last matching object we found. This lets the user see what
// object will be modified before it is done.
//
GetHistory()->Keep(pLastFound);
nReplaceCount += FindReplace((CMapEntity *)pLastFound, FindObject, m_strReplaceText);
GetDlgItem(IDCANCEL)->SetWindowText("Close");
}
if (pObject)
{
//
// We found an object that satisfies our search.
//
if ((uCmd == IDC_FIND_NEXT) || (uCmd == IDC_REPLACE))
{
//
// Highlight the match.
//
pDoc->SelectObject(pObject, CMapDoc::scClear | CMapDoc::scSelect);
pDoc->CenterSelection();
}
//
// Stop after one match unless we are doing a Replace All.
//
if (uCmd != IDC_REPLACE_ALL)
{
bDone = true;
}
m_bNewSearch = false;
pLastFound = pObject;
}
else
{
//
// No more objects in the search set match our criteria.
//
if ((m_bNewSearch) || (uCmd != IDC_REPLACE_ALL))
{
CString str;
str.Format("Finished searching for '%s'.", m_strFindText);
MessageBox(str, "Find/Replace Text", MB_OK);
// TODO: put the old selection back
}
else if (uCmd == IDC_REPLACE_ALL)
{
CString str;
str.Format("Replaced %d occurrences of the string '%s' with '%s'.", nReplaceCount, m_strFindText, m_strReplaceText);
MessageBox(str, "Find/Replace Text", MB_OK);
}
m_bNewSearch = true;
bDone = true;
}
} while (!bDone);
return TRUE;
}
