bool IWeakEventListener.ReceiveWeakEvent(Type managerType, object sender, EventArgs e)
{
if (managerType == typeof(CaretWeakEventManager.PositionChanged))
{
Caret caret = (Caret)sender;
int caretOffset = caret.Offset;
foreach (FoldingSection s in manager.GetFoldingsContaining(caretOffset))
{
if (s.IsFolded && s.StartOffset < caretOffset && caretOffset < s.EndOffset)
{
s.IsFolded = false;
}
}
return(true);
}
return(false);
}
/// <summary>
/// Calculates fold lines for all folding sections that start in front of the current view
/// and run into the current view.
/// </summary>
void CalculateFoldLinesForFoldingsActiveAtStart(List <TextLine> allTextLines, Pen[] colors, Pen[] endMarker)
{
int viewStartOffset = TextView.VisualLines[0].FirstDocumentLine.Offset;
int viewEndOffset = TextView.VisualLines.Last().LastDocumentLine.EndOffset;
var foldings = FoldingManager.GetFoldingsContaining(viewStartOffset);
int maxEndOffset = 0;
foreach (FoldingSection fs in foldings)
{
int end = fs.EndOffset;
if (end < viewEndOffset && !fs.IsFolded)
{
int textLineNr = GetTextLineIndexFromOffset(allTextLines, end);
if (textLineNr >= 0)
{
endMarker[textLineNr] = grayPen;
}
}
if (end > maxEndOffset && fs.StartOffset < viewStartOffset)
{
maxEndOffset = end;
}
}
if (maxEndOffset > 0)
{
if (maxEndOffset > viewEndOffset)
{
for (int i = 0; i < colors.Length; i++)
{
colors[i] = grayPen;
}
}
else
{
int maxTextLine = GetTextLineIndexFromOffset(allTextLines, maxEndOffset);
for (int i = 0; i <= maxTextLine; i++)
{
colors[i] = grayPen;
}
}
}
}
