public bool ReplaceAndSelect(TextPointer start, bool round, out TextPointer endPosition, string findText,
string replaceText)
{
endPosition = null;
if (String.IsNullOrEmpty(findText) || start == null)
{
return(true);
}
if (_manager == null)
{
_manager = new FindAndReplaceManager(FlowDocument);
}
_manager.CurrentPosition = start;
TextRange textRange = _manager.Replace(findText, replaceText, GetFindOptions());
if (textRange != null)
{
endPosition = textRange.End;
return(SearchString(endPosition, true, true));
}
if (_manager.CurrentPosition.CompareTo(FlowDocument.ContentEnd) == 0 && round)
{
return(ReplaceAndSelect(FlowDocument.ContentStart, false, out endPosition, findText, replaceText));
}
RaiseMatchingChangedEvent(true, null, true);
return(false);
}
private void bFindReplace_Click(object sender, RoutedEventArgs e)
{
var content = frameSidebar.Content as Page;
var grid = content.Content as Grid;
TextBox tbFind = (TextBox)grid.Children[2];
TextBox tbReplace = (TextBox)grid.Children[4];
var expander = (Expander)grid.Children[9];
CheckBox cbMatchCase = (CheckBox)((Grid)expander.Content).Children[0];
CheckBox cbMatchWord = (CheckBox)((Grid)expander.Content).Children[1];
TextRange textRange = null;
FindOptions findOptions = FindOptions.None;
if (cbMatchCase.IsChecked == true)
{
findOptions = FindOptions.MatchCase;
}
if (cbMatchWord.IsChecked == true)
{
findOptions ^= FindOptions.MatchWholeWord;
}
if (findReplaceChanges)
{
findAndReplace = new FindAndReplaceManager(rtbMain.Document);
findReplaceChanges = false;
}
switch (((Button)sender).Content.ToString())
{
case "Find Next":
textRange = findAndReplace.FindNext(tbFind.Text, findOptions);
break;
case "Replace All":
int results = findAndReplace.ReplaceAll(tbFind.Text, tbReplace.Text, findOptions, null);
customMessageBox customMessageBox = new customMessageBox();
customMessageBox.SetupMsgBox($"Replaced {results} occurences.", "Replace All", this.FindResource("iconInformation"));
customMessageBox.ShowDialog();
rtbMain.Focus();
return;
case "Replace Next":
textRange = findAndReplace.Replace(tbFind.Text, tbReplace.Text, findOptions);
break;
case "Count":
RichTextBox rtbTemp = XamlReader.Parse(XamlWriter.Save(rtbMain)) as RichTextBox;
findAndReplace = new FindAndReplaceManager(rtbTemp.Document);
int count = findAndReplace.ReplaceAll(tbFind.Text, "", findOptions, null);
customMessageBox customMessageBox2 = new customMessageBox();
customMessageBox2.SetupMsgBox($"\"{tbFind.Text}\" appeared {count} times.", "Count", this.FindResource("iconInformation"));
customMessageBox2.ShowDialog();
findReplaceChanges = true;
return;
default:
break;
}
if (textRange == null)
{
customMessageBox customMessageBox = new customMessageBox();
customMessageBox.SetupMsgBox("No (more) results.\nDo you wish to start at the top again?", "Reset search?", this.FindResource("iconInformation"), "Yes", "No");
customMessageBox.ShowDialog();
if (customMessageBox.result.ToString() == "Yes")
{
findAndReplace = new FindAndReplaceManager(rtbMain.Document);
findReplaceChanges = false;
textRange = findAndReplace.FindNext(tbFind.Text, findOptions);
if (textRange == null)
{
return;
}
}
else
{
return;
}
}
rtbMain.Selection.Select(textRange.Start, textRange.End);
rtbMain.Focus();
}