internal void Fold(FoldNeededEventArgs e)
{
var lineCount = sci.LineCount;
var firstLine = e.StartLine;
var lastLine = e.EndLine;
e.AddFoldRegion(0, firstLine, lastLine);
var lastStart = -1;
for (int line = firstLine; line < lastLine + 2; line++)
{
var li = sci.GetLineIndentation(line);
var posLine = sci.GetPositionFromLine(line);
var colEnd = sci.GetLineEndColumn(line);
var style = sci.GetStyleAt(posLine);
var cmt = style == TextStyle.MultilineStyle1 || style == TextStyle.MultilineStyle2 ||
style == TextStyle.Style6 || style == TextStyle.Style7;
var hasLet = li == 0 && !cmt;
if ((li == 0 || colEnd == li) && lastStart > -1 && line - lastStart > 1 && !cmt)
{
e.AddFoldRegion(1, lastStart, line);
lastStart = -1;
}
else if (li == 0 || colEnd == li)
{
lastStart = -1;
}
if (hasLet)
{
lastStart = line;
}
if (line == lastLine + 1 && lastStart != -1 && lastLine < lineCount)
{
lastLine++;
}
}
if (lastStart > -1 && lastLine == lineCount - 1)
{
e.AddFoldRegion(1, lastStart, lineCount - 1);
}
}
protected virtual void Lex(object sender, StyleNeededEventArgs e)
{
if (!Styling)
{
return;
}
e.AddStyleItem(sci.GetPositionFromLine(0), sci.GetLineEndColumn(0), TextStyle.Style1);
if (sci.ReadOnly && sci.LineCount > 2)
{
e.AddStyleItem(sci.GetPositionFromLine(sci.LineCount - 2), 100, TextStyle.Style1);
}
}