Exemple #1
0
        private void MoveSelectedLines(string section)
        {
            _rtb.SuspendPainting();
            var padded     = GetPaddedText(Text);
            var i          = _rtb.SelectionStart + 1;
            var j          = i + Math.Max(0, _rtb.SelectionLength - 1);
            var cutIndex   = Helper.GetLineStart(padded, i);
            var k          = Helper.GetLineEnd(padded, j);
            var copyLength = k - cutIndex;
            var cutLength  = copyLength + (k < padded.Length ? 1 : 0);
            var copiedText = padded.Substring(cutIndex, copyLength);

            _rtb.Select(cutIndex - 1, cutLength);
            _rtb.SelectedText = "";
            padded            = GetPaddedText(Text);
            var insertIndex = GetAppendIndex(padded, section);

            if (insertIndex == -1)
            {
                _rtb.SelectedText = copiedText + "\n";
            }
            else
            {
                _rtb.Select(insertIndex - 1, 0);
                var lengthBefore = _rtb.TextLength;
                _rtb.SelectedText = "\n" + copiedText;
                _rtb.Select(cutIndex - 1 + (insertIndex < cutIndex ? _rtb.TextLength - lengthBefore : 0), 0);
            }
            _rtb.ResumePainting();
        }