public override bool Capitalize()
{
int startPosition = _startPoint.CurrentPosition;
if (IsEmpty)
{
int endPosition = _endPoint.CurrentPosition;
TextRange currentWord = _startPoint.GetCurrentWord();
string nextCharacter = _startPoint.GetNextCharacter();
if (_startPoint.CurrentPosition == currentWord.GetStartPoint().CurrentPosition)
{
nextCharacter = nextCharacter.ToUpper(CultureInfo.CurrentCulture);
}
else
{
nextCharacter = nextCharacter.ToLower(CultureInfo.CurrentCulture);
}
if (!PrimitivesUtilities.Replace(TextBuffer.AdvancedTextBuffer, new Span(_startPoint.CurrentPosition, nextCharacter.Length), nextCharacter))
{
return(false);
}
_endPoint.MoveTo(endPosition);
}
else
{
using (ITextEdit edit = TextBuffer.AdvancedTextBuffer.CreateEdit())
{
TextRange currentWord = _startPoint.GetCurrentWord();
// If the current word extends past this range, go to the next word
if (currentWord.GetStartPoint().CurrentPosition < _startPoint.CurrentPosition)
{
currentWord = currentWord.GetEndPoint().GetNextWord();
}
while (currentWord.GetStartPoint().CurrentPosition < _endPoint.CurrentPosition)
{
string wordText = currentWord.GetText();
string startElement = StringInfo.GetNextTextElement(wordText);
wordText = startElement.ToUpper(CultureInfo.CurrentCulture) + wordText.Substring(startElement.Length).ToLower(CultureInfo.CurrentCulture);
if (!edit.Replace(currentWord.AdvancedTextRange.Span, wordText))
{
edit.Cancel();
return(false);
}
currentWord = currentWord.GetEndPoint().GetNextWord();
}
edit.Apply();
if (edit.Canceled)
{
return(false);
}
}
}
_startPoint.MoveTo(startPosition);
return(true);
}
public override bool RemovePreviousIndent()
{
if (Column > 0)
{
int tabSize = _editorOptions.GetTabSize();
int previousTabStop = Column - tabSize;
if (Column % tabSize > 0)
{
previousTabStop = (Column / tabSize) * tabSize;
}
int positionToDeleteTo = CurrentPosition;
TextPoint newPoint = Clone();
for (int i = CurrentPosition - 1; newPoint.Column >= previousTabStop; i--)
{
newPoint.MoveTo(i);
string character = newPoint.GetNextCharacter();
if (!string.Equals(character, " ", StringComparison.Ordinal) && !string.Equals(character, "\t", StringComparison.Ordinal))
{
break;
}
positionToDeleteTo = i;
if (newPoint.Column == previousTabStop)
{
break;
}
}
return(PrimitivesUtilities.Delete(_textBuffer.AdvancedTextBuffer, Span.FromBounds(positionToDeleteTo, CurrentPosition)));
}
else
{
return(true);
}
}