public Boolean AddTextModifiers()
{
if (!_canSplitOrMerge || !TextFormattingSource.ContainsBiDiCharacters(_text))
{
return(false);
}
NormalizedSpan span = new NormalizedSpan(new TextFormattingModifier(_properties), this.StartCharacterIndex);
span.Next = this;
span.Previous = this.Previous;
if (this.Previous != null)
{
this.Previous.Next = span;
}
this.Previous = span;
NormalizedSpan span2 = new NormalizedSpan(new TextEndOfSegment(1), this.StartCharacterIndex + this.Length);
span2.Next = this.Next;
span2.Previous = this;
if (this.Next != null)
{
this.Next.Previous = span2;
}
this.Next = span2;
return(true);
}
public IList <TextLineVisual> CreateLineVisual(Int32 lineNumber, IList <SpaceNegotiation> spaceNegotiations)
{
IList <ClassificationSpan> classificationSpans;
Int32 startOfLineFromLineNumber = _textView.TextBuffer.GetStartOfLineFromLineNumber(lineNumber);
Int32 startOfNextLineFromPosition = _textView.TextBuffer.GetStartOfNextLineFromPosition(startOfLineFromLineNumber);
Int32 lengthOfLineFromLineNumber = _textView.TextBuffer.GetLengthOfLineFromLineNumber(lineNumber);
Int32 length = 0;
if (startOfNextLineFromPosition == startOfLineFromLineNumber)
{
length = _textView.TextBuffer.GetEndOfLineFromPosition(startOfLineFromLineNumber) - startOfLineFromLineNumber;
}
else
{
length = startOfNextLineFromPosition - startOfLineFromLineNumber;
}
if (length > 0)
{
classificationSpans = _classifier.GetClassificationSpans(new VersionedTextSpan(_textView.TextBuffer, startOfLineFromLineNumber, length));
}
else
{
classificationSpans = new List <ClassificationSpan>(0);
}
TextFormattingSource textSource = new TextFormattingSource(_textView.TextBuffer, _classificationFormatMap, startOfLineFromLineNumber, length, classificationSpans, spaceNegotiations);
if (_textFormatter == null)
{
_textFormatter = TextFormatter.Create();
}
List <TextLine> textLines = new List <TextLine>();
Int32 firstCharIndex = 0;
TextLineBreak previousLineBreak = null;
while (firstCharIndex <= length)
{
TextLine item = _textFormatter.FormatLine(textSource, firstCharIndex, this.MaxLineWidth, _paragraphProperties, previousLineBreak);
firstCharIndex += item.Length;
previousLineBreak = item.GetTextLineBreak();
textLines.Add(item);
}
List <TextLineVisual> list3 = new List <TextLineVisual>();
list3.Add(new TextLineVisual(_textView, textLines, new TextSpan(_textView.TextBuffer, startOfLineFromLineNumber, length), length - lengthOfLineFromLineNumber, textSource.VirtualCharacterPositions));
return(list3);
}
public IList<TextLineVisual> CreateLineVisual(Int32 lineNumber, IList<SpaceNegotiation> spaceNegotiations)
{
IList<ClassificationSpan> classificationSpans;
Int32 startOfLineFromLineNumber = _textView.TextBuffer.GetStartOfLineFromLineNumber(lineNumber);
Int32 startOfNextLineFromPosition = _textView.TextBuffer.GetStartOfNextLineFromPosition(startOfLineFromLineNumber);
Int32 lengthOfLineFromLineNumber = _textView.TextBuffer.GetLengthOfLineFromLineNumber(lineNumber);
Int32 length = 0;
if (startOfNextLineFromPosition == startOfLineFromLineNumber)
{
length = _textView.TextBuffer.GetEndOfLineFromPosition(startOfLineFromLineNumber) - startOfLineFromLineNumber;
}
else
{
length = startOfNextLineFromPosition - startOfLineFromLineNumber;
}
if (length > 0)
{
classificationSpans = _classifier.GetClassificationSpans(new VersionedTextSpan(_textView.TextBuffer, startOfLineFromLineNumber, length));
}
else
{
classificationSpans = new List<ClassificationSpan>(0);
}
TextFormattingSource textSource = new TextFormattingSource(_textView.TextBuffer, _classificationFormatMap, startOfLineFromLineNumber, length, classificationSpans, spaceNegotiations);
if (_textFormatter == null)
{
_textFormatter = TextFormatter.Create();
}
List<TextLine> textLines = new List<TextLine>();
Int32 firstCharIndex = 0;
TextLineBreak previousLineBreak = null;
while (firstCharIndex <= length)
{
TextLine item = _textFormatter.FormatLine(textSource, firstCharIndex, this.MaxLineWidth, _paragraphProperties, previousLineBreak);
firstCharIndex += item.Length;
previousLineBreak = item.GetTextLineBreak();
textLines.Add(item);
}
List<TextLineVisual> list3 = new List<TextLineVisual>();
list3.Add(new TextLineVisual(_textView, textLines, new TextSpan(_textView.TextBuffer, startOfLineFromLineNumber, length), length - lengthOfLineFromLineNumber, textSource.VirtualCharacterPositions));
return list3;
}