public void Draw(NSRect aCellFrame, NSView aControlView)
{
WrappedDataTrackItem wrapped = ObjectValue.CastAs <WrappedDataTrackItem>();
IDataTrackItem item = wrapped.Item;
// create attributes for the title and subtitle text
NSMutableParagraphStyle style = new NSMutableParagraphStyle();
style.SetParagraphStyle(NSParagraphStyle.DefaultParagraphStyle);
style.SetLineBreakMode(NSLineBreakMode.NSLineBreakByTruncatingTail);
// set font sizes depending on whether this item is a group or track
NSFont titleFont = item.IsGroup ? FontManager.FontLarge : FontManager.FontSemiLarge;
NSFont subtitleFont = item.IsGroup ? FontManager.FontMedium : FontManager.FontSmall;
NSDictionary titleAttr = NSDictionary.DictionaryWithObjectsAndKeys(titleFont, NSAttributedString.NSFontAttributeName,
NSColor.WhiteColor, NSAttributedString.NSForegroundColorAttributeName,
style, NSAttributedString.NSParagraphStyleAttributeName,
null);
NSDictionary subtitleAttr = NSDictionary.DictionaryWithObjectsAndKeys(subtitleFont, NSAttributedString.NSFontAttributeName,
NSColor.WhiteColor, NSAttributedString.NSForegroundColorAttributeName,
style, NSAttributedString.NSParagraphStyleAttributeName,
null);
style.Release();
float vertPos = aCellFrame.origin.y;
float titleIndent = 0.0f;
NSSize size;
NSRect rect;
// draw index for non-group items
if (!item.IsGroup)
{
NSString index = NSString.StringWithUTF8String(string.Format("{0}. ", item.Index + 1));
size = index.SizeWithAttributes(titleAttr);
rect = new NSRect(aCellFrame.MinX, vertPos, size.width, size.height);
index.DrawInRectWithAttributes(rect, titleAttr);
titleIndent = size.width;
}
// draw the title
NSString title = NSString.StringWithUTF8String(item.Title);
size = title.SizeWithAttributes(titleAttr);
rect = new NSRect(aCellFrame.MinX + titleIndent, vertPos, aCellFrame.Width - titleIndent, size.height);
title.DrawInRectWithAttributes(rect, titleAttr);
vertPos += size.height;
// draw subtitle 1 aligned with the left of the cell
if (item.Subtitle1 != string.Empty)
{
NSString subtitle1 = NSString.StringWithUTF8String(item.Subtitle1);
size = subtitle1.SizeWithAttributes(subtitleAttr);
rect = new NSRect(aCellFrame.MinX, vertPos, aCellFrame.Width, size.height);
subtitle1.DrawInRectWithAttributes(rect, subtitleAttr);
vertPos += size.height;
}
// draw subtitle 2 aligned with the left of the cell
if (item.Subtitle2 != string.Empty)
{
NSString subtitle2 = NSString.StringWithUTF8String(item.Subtitle2);
size = subtitle2.SizeWithAttributes(subtitleAttr);
rect = new NSRect(aCellFrame.MinX, vertPos, aCellFrame.Width, size.height);
subtitle2.DrawInRectWithAttributes(rect, subtitleAttr);
}
}