public override void IndentLine(TextDocument document, DocumentLine line)
{
if (document == null)
{
throw new ArgumentNullException("document");
}
if (line == null)
{
throw new ArgumentNullException("line");
}
DocumentLine previousLine = line.PreviousLine;
if (previousLine != null)
{
DocumentLine PrevPrevLine = previousLine.PreviousLine;
ISegment indentationSegmentPrevPrevLine = null;
if (PrevPrevLine != null)
{
indentationSegmentPrevPrevLine = TextUtilities.GetWhitespaceAfter(document, PrevPrevLine.Offset);
}
ISegment indentationSegmentPrevLine = TextUtilities.GetWhitespaceAfter(document, previousLine.Offset);
string indentation = document.GetText(indentationSegmentPrevLine);
ISegment indentationSegmentCurLine = TextUtilities.GetWhitespaceAfter(document, line.Offset);
IToken elem = lexter.GetTreeElementByOffset(line);
IToken prev_elem = (PrevPrevLine != null) ? lexter.GetTreeElementByOffset(PrevPrevLine) : null;
if ((elem != null))
{
//нашли нужный токен, ищем отступ, который необходимо сделать
string indent = document.GetText(TextUtilities.GetWhitespaceBefore(document, elem.StartIndex));
if (prev_elem != null)
{
if ((prev_elem.StartIndex >= elem.StartIndex) && (prev_elem.StopIndex <= elem.StopIndex))
{
document.Replace(indentationSegmentCurLine, indent);
}
}
document.Replace(indentationSegmentCurLine, indent);
}
}
}
public override void SetStartupWord()
{
int cursor_offset = TextArea.Caret.Offset;
IToken token = lexter.GetTreeElementByOffset(cursor_offset);
if ((token != null) && ((token.StartIndex - 1) <= cursor_offset) && ((token.StopIndex + 1) >= cursor_offset))
{
string text = token.Text.Trim();
if ((text.Length != 0) || (text.Length >= cursor_offset - token.StartIndex))
{
completionWindow.CompletionList.SelectItem(text.Substring(0, cursor_offset - token.StartIndex));
}
completionWindow.StartOffset = token.StartIndex;
completionWindow.EndOffset = token.StartIndex + text.Length;
}
}