HighlightColorTextFieldCell.swift

class HighlightColorTextFieldCell : NSTextFieldCell {
	
	var hightlightColor: NSColor? {
		didSet {
			updateTextColor()
		}
	}
	
	var nonHighlightedTextColor: NSColor? {
		didSet {
			updateTextColor()
		}
	}
	
	override var backgroundStyle: NSView.BackgroundStyle {
		didSet {
			updateTextColor()
		}
	}
	
	private func updateTextColor() {
		switch backgroundStyle {
		case .raised, .emphasized: textColor = hightlightColor
		case .lowered, .normal:    textColor = nonHighlightedTextColor
		}
	}
	
	override func setUpFieldEditorAttributes(_ textObj: NSText) -> NSText {
		let newTextObj = super.setUpFieldEditorAttributes(textObj)
		newTextObj.textColor = NSColor.black
		textColor = NSColor.black /* Not sure why the line above is not enough (and actually seems to do nothing...) */
		return newTextObj
	}
	
}