NSTextCellViewの高さをselfのtextfiledから求めるmethod

Calc height by NSLayoutManager

- (CGFloat) heightOfView:(CGFloat)width
{
	CGFloat width = view.bounds.size.width;
	
	NSTextStorage *storage = [[NSTextStorage alloc] initWithString:comment.comment];
	NSTextContainer *container = [[NSTextContainer alloc] initWithContainerSize:NSMakeSize(width, FLT_MAX)];
	NSLayoutManager *manager = [[NSLayoutManager alloc] init];
	
	[container setLineBreakMode:NSLineBreakByCharWrapping];
	[manager addTextContainer:container];
	[storage addLayoutManager:manager];
	NSRange allText = NSMakeRange(0, storage.length);
	[storage addAttribute:NSFontAttributeName value:view.textField.font range:allText];

	NSMutableParagraphStyle *style = [[NSMutableParagraphStyle alloc] init];
	[style setLineSpacing:-2.2];
	[storage addAttribute:NSParagraphStyleAttributeName value:style range:allText];
	
	[manager glyphRangeForTextContainer:container];
	CGRect rect =  [manager usedRectForTextContainer:container];
	CGFloat height = (rect.size.height);

	return height;
}