package skins
{
	import mx.controls.scrollClasses.ScrollBar;
	import mx.skins.Border;
	import mx.utils.ColorUtil;

	

	public class VScrollTrack extends Border
	{
		override public function get measuredWidth():Number
        {
            return ScrollBar.THICKNESS;
        }
        
		override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void {
			super.updateDisplayList(unscaledWidth, unscaledHeight);
			
			var borderColor: uint = getStyle('borderColor');
			var backgroundColor: uint = getStyle('fillColors')[0];
			
			drawRoundRect(0, 0, unscaledWidth, unscaledHeight, 0, backgroundColor, 1);
			var cols: Array = [0xFFFFFF, borderColor, ColorUtil.adjustBrightness(borderColor, -20)];
			var lw1: int, lw2: int, lw3: int;
 			with (graphics) {
 				//left border, --->
 				lw1 = 1;
 				lineStyle(lw1, cols[0], 0.7);
 				moveTo(lw1/2, lw1/2);
 				lineTo(lw1/2, unscaledHeight-lw1/2);
 				
 				lw2 = 3;
 				lineStyle(lw2, cols[1], 1);
 				moveTo(lw1+lw2/2, lw2/2);
 				lineTo(lw1+lw2/2, unscaledHeight-lw2/2);
 				
 				lw3 = 1;
 				lineStyle(lw3, cols[2], 1);
 				moveTo(lw1+lw2+lw3/2, lw3/2);
 				lineTo(lw1+lw2+lw3/2, unscaledHeight-lw3/2);
	 		}
		}
		
	}
}