protected void ProcessButtonEx(FormButtons eFormButton)
{
if (String.IsNullOrEmpty(ecTextBoxFindWhat.Text))
{
throw new ApplicationException("Enter a regular expression in the 'Find what' box");
}
m_doc.Document.Application.System.Cursor = Microsoft.Office.Interop.Word.WdCursorType.wdCursorWait; // be sure to turn it off in backgroundWorker_RunWorkerCompleted
// if there's no processor (e.g. initially, change of Find What or Replace With text)...
if (m_aWordByWordProcessor == null)
{
AddToComboBox(ecTextBoxFindWhat, comboBoxFindWhat, Properties.Settings.Default.RecentFindWhat);
// if the user clicked Find/Next, then don't give the Replace With text even if there is some
m_aWordByWordProcessor = new FindWordProcessor(ecTextBoxFindWhat.Text, ecTextBoxReplaceWith.Text,
checkBoxMatchCase.Checked, ecTextBoxFindWhat.Font);
}
// update the button pressed information
m_aWordByWordProcessor.FormButton = eFormButton;
// if we're doing a replacement, then save the 'Replace with' string in our settings file
if ((eFormButton == FormButtons.ReplaceOnce) || (eFormButton == FormButtons.ReplaceAll))
{
AddToComboBox(ecTextBoxReplaceWith, comboBoxReplaceWith, Properties.Settings.Default.RecentReplaceWith);
// the user may have done 'Replace' when it was found, but then later clicked said ReplaceAll,
// so update the value
if (eFormButton == FormButtons.ReplaceAll)
{
m_aWordByWordProcessor.ReplaceAll = true;
m_aWordByWordProcessor.NumOfReplacements = 0;
}
}
// if the user manually repositioned the insertion point, then we have to start over.
if (m_doc.HasPositionChanged)
{
// determine if this is a single selection or "the rest of the document" from the insertion point
m_doc.DetermineRangeToSearch(out m_eSearchAreaType);
System.Diagnostics.Debug.Assert(m_doc.theRangeToSearch != null);
if (m_eSearchAreaType == SearchAreaType.eWholeDocument)
{
progressBar.Maximum = m_doc.theRangeToSearch.End;
}
}
else if (m_aWordByWordProcessor.IsFound && (eFormButton == FormButtons.Next))
{
m_doc.BumpPastLastFound();
}
m_doc.theSearchProcessor = m_aWordByWordProcessor;
progressBar.Visible = true; // be sure to turn it off during backgroundWorker_RunWorkerCompleted
this.buttonCancel.Text = cstrStop;
CallWorkerBee();
}
public void ProcessParagraphsFindAndReplace(FindWordProcessor aWordProcessor, Word.Range theRangeToSearch,
BackgroundWorker worker)
{
// get Range object we can manipulate for searching (i.e. don't muck with the original
WordRange aRunRange = GetStartingRange(theRangeToSearch);
if (aRunRange == null)
{
return;
}
// how many paragraphs ahead we have to look for a match
int nEndRangeToSearch = -1; // might change from loop to loop if we do replacements (so update inside loop)
object nOffsetParagraph = aWordProcessor.NumOfParagraphsToSearch - 1;
do
{
SearchAreaStart = aRunRange.Start;
// this updates the progress bar
worker.ReportProgress(SearchAreaStart);
// if the search string contains multiple '\r's, then we have to look ahead that many paragraphs
int SearchAreaEnd;
nEndRangeToSearch = theRangeToSearch.End; // might change from loop to loop if we do replacements
if (0 < (int)nOffsetParagraph)
{
Word.Paragraph aEndParagraph = m_paraSearch.Next(ref nOffsetParagraph);
if (aEndParagraph == null)
{
return; // means we can't possibly find it now
}
SearchAreaEnd = Math.Min(aEndParagraph.Range.End, nEndRangeToSearch);
aRunRange.End = SearchAreaEnd;
}
else
{
int nEndOfRun = aRunRange.End;
if (nEndOfRun > nEndRangeToSearch)
{
aRunRange.End = SearchAreaEnd = nEndRangeToSearch;
}
else
{
SearchAreaEnd = nEndOfRun;
}
}
// loop until the end of the paragraph and process it as a whole unit (we may have to do this multiple times)
bool bGoToNext = true;
while (SearchAreaStart < SearchAreaEnd)
{
// keep track of the last index so we can tell whether anything was found or not
FindWordProcessor.FindResult res = aWordProcessor.FindReplaceCompare(aRunRange, ref SearchAreaStart, ref FoundAreaLength);
// if we found it and need to stop (or if the user had cancelled the search)...
bGoToNext = true; // assume we will
if ((res == FindWordProcessor.FindResult.eFindFound) || worker.CancellationPending)
{
return;
}
// otherwise, it might have been a replacement and we have to update the end of the paragraph
// value and the end of the range and do it again (e.g. find the next occurrence to replace)
else if (res == FindWordProcessor.FindResult.eReplaceFound)
{
// we might have actually removed the paragraph mark, in which case the next paragraph
// is now part of the current paragraph. Unfortunately, the aParagraphRange isn't
// updated.
// if the search string contained '\r's, then we have to look ahead all over again
if (aWordProcessor.IsAnyCRs)
{
bGoToNext = false;
break;
}
else
{
Word.Range aParagraphRange = m_paraSearch.Range;
SearchAreaEnd = aParagraphRange.End;
aRunRange.End = SearchAreaEnd;
aRunRange.Start = SearchAreaStart;
}
}
// otherwise, it means we didn't find it here and we're done with this paragraph
else
{
System.Diagnostics.Debug.Assert(!aWordProcessor.IsFound);
break;
}
}
// advance to the next paragraph
if (bGoToNext)
{
m_paraSearch = m_paraSearch.Next(ref offset1);
}
if (m_paraSearch != null)
{
aRunRange = new WordRange(m_paraSearch.Range);
// in the case we replace some CRs, we re-start where we left off (after the replaced text)
if (!bGoToNext)
{
aRunRange.Start = SearchAreaStart;
}
}
} while ((m_paraSearch != null) && (aRunRange.Start < nEndRangeToSearch));
}
private void checkBoxMatchCase_CheckedChanged(object sender, EventArgs e)
{
m_aWordByWordProcessor = null;
}
private void ecTextBox_TextChanged(object sender, EventArgs e)
{
m_eSearchAreaType = SearchAreaType.eUnknown;
m_aWordByWordProcessor = null;
}
public void ProcessParagraphsFindAndReplace(FindWordProcessor aWordProcessor, Word.Range theRangeToSearch,
BackgroundWorker worker)
{
// get Range object we can manipulate for searching (i.e. don't muck with the original
WordRange aRunRange = GetStartingRange(theRangeToSearch);
if (aRunRange == null)
return;
// how many paragraphs ahead we have to look for a match
int nEndRangeToSearch = -1; // might change from loop to loop if we do replacements (so update inside loop)
object nOffsetParagraph = aWordProcessor.NumOfParagraphsToSearch - 1;
do
{
SearchAreaStart = aRunRange.Start;
// this updates the progress bar
worker.ReportProgress(SearchAreaStart);
// if the search string contains multiple '\r's, then we have to look ahead that many paragraphs
int SearchAreaEnd;
nEndRangeToSearch = theRangeToSearch.End; // might change from loop to loop if we do replacements
if (0 < (int)nOffsetParagraph)
{
Word.Paragraph aEndParagraph = m_paraSearch.Next(ref nOffsetParagraph);
if (aEndParagraph == null)
return; // means we can't possibly find it now
SearchAreaEnd = Math.Min(aEndParagraph.Range.End, nEndRangeToSearch);
aRunRange.End = SearchAreaEnd;
}
else
{
int nEndOfRun = aRunRange.End;
if (nEndOfRun > nEndRangeToSearch)
{
aRunRange.End = SearchAreaEnd = nEndRangeToSearch;
}
else
SearchAreaEnd = nEndOfRun;
}
// loop until the end of the paragraph and process it as a whole unit (we may have to do this multiple times)
bool bGoToNext = true;
while (SearchAreaStart < SearchAreaEnd)
{
// keep track of the last index so we can tell whether anything was found or not
FindWordProcessor.FindResult res = aWordProcessor.FindReplaceCompare(aRunRange, ref SearchAreaStart, ref FoundAreaLength);
// if we found it and need to stop (or if the user had cancelled the search)...
bGoToNext = true; // assume we will
if ((res == FindWordProcessor.FindResult.eFindFound) || worker.CancellationPending)
return;
// otherwise, it might have been a replacement and we have to update the end of the paragraph
// value and the end of the range and do it again (e.g. find the next occurrence to replace)
else if (res == FindWordProcessor.FindResult.eReplaceFound)
{
// we might have actually removed the paragraph mark, in which case the next paragraph
// is now part of the current paragraph. Unfortunately, the aParagraphRange isn't
// updated.
// if the search string contained '\r's, then we have to look ahead all over again
if (aWordProcessor.IsAnyCRs)
{
bGoToNext = false;
break;
}
else
{
Word.Range aParagraphRange = m_paraSearch.Range;
SearchAreaEnd = aParagraphRange.End;
aRunRange.End = SearchAreaEnd;
aRunRange.Start = SearchAreaStart;
}
}
// otherwise, it means we didn't find it here and we're done with this paragraph
else
{
System.Diagnostics.Debug.Assert(!aWordProcessor.IsFound);
break;
}
}
// advance to the next paragraph
if (bGoToNext)
m_paraSearch = m_paraSearch.Next(ref offset1);
if (m_paraSearch != null)
{
aRunRange = new WordRange(m_paraSearch.Range);
// in the case we replace some CRs, we re-start where we left off (after the replaced text)
if (!bGoToNext)
aRunRange.Start = SearchAreaStart;
}
} while ((m_paraSearch != null) && (aRunRange.Start < nEndRangeToSearch));
}
protected void ProcessButtonEx(FormButtons eFormButton)
{
if (String.IsNullOrEmpty(ecTextBoxFindWhat.Text))
throw new ApplicationException("Enter a regular expression in the 'Find what' box");
m_doc.Document.Application.System.Cursor = Microsoft.Office.Interop.Word.WdCursorType.wdCursorWait; // be sure to turn it off in backgroundWorker_RunWorkerCompleted
// if there's no processor (e.g. initially, change of Find What or Replace With text)...
if (m_aWordByWordProcessor == null)
{
AddToComboBox(ecTextBoxFindWhat, comboBoxFindWhat, Properties.Settings.Default.RecentFindWhat);
// if the user clicked Find/Next, then don't give the Replace With text even if there is some
m_aWordByWordProcessor = new FindWordProcessor(ecTextBoxFindWhat.Text, ecTextBoxReplaceWith.Text,
checkBoxMatchCase.Checked, ecTextBoxFindWhat.Font);
}
// update the button pressed information
m_aWordByWordProcessor.FormButton = eFormButton;
// if we're doing a replacement, then save the 'Replace with' string in our settings file
if ((eFormButton == FormButtons.ReplaceOnce) || (eFormButton == FormButtons.ReplaceAll))
{
AddToComboBox(ecTextBoxReplaceWith, comboBoxReplaceWith, Properties.Settings.Default.RecentReplaceWith);
// the user may have done 'Replace' when it was found, but then later clicked said ReplaceAll,
// so update the value
if (eFormButton == FormButtons.ReplaceAll)
{
m_aWordByWordProcessor.ReplaceAll = true;
m_aWordByWordProcessor.NumOfReplacements = 0;
}
}
// if the user manually repositioned the insertion point, then we have to start over.
if (m_doc.HasPositionChanged)
{
// determine if this is a single selection or "the rest of the document" from the insertion point
m_doc.DetermineRangeToSearch(out m_eSearchAreaType);
System.Diagnostics.Debug.Assert(m_doc.theRangeToSearch != null);
if (m_eSearchAreaType == SearchAreaType.eWholeDocument)
progressBar.Maximum = m_doc.theRangeToSearch.End;
}
else if (m_aWordByWordProcessor.IsFound && (eFormButton == FormButtons.Next))
{
m_doc.BumpPastLastFound();
}
m_doc.theSearchProcessor = m_aWordByWordProcessor;
progressBar.Visible = true; // be sure to turn it off during backgroundWorker_RunWorkerCompleted
this.buttonCancel.Text = cstrStop;
CallWorkerBee();
}
private void checkBoxMatchCase_CheckedChanged(object sender, EventArgs e)
{
m_aWordByWordProcessor = null;
}
private void ecTextBox_TextChanged(object sender, EventArgs e)
{
m_eSearchAreaType = SearchAreaType.eUnknown;
m_aWordByWordProcessor = null;
}