package skins
{
	import mx.skins.Border;

	public class VScrollArrowDown extends Border
	{
		private var thickness: Number = 15; 
		override public function get measuredWidth():Number {
            return thickness;//ScrollBar.THICKNESS;
        }
               
        override public function get measuredHeight():Number {
            return thickness;//ScrollBar.THICKNESS;
        }
        
        private var colBackground: uint = 0xFFFFFF;
        private var colStrip: uint = 0x444444;
        private var stripAlpha: Number  = 0.3;
        
        override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void {
            super.updateDisplayList(unscaledWidth, unscaledHeight);
    		graphics.clear();
    		
    		colStrip = getStyle('borderColor');
			colBackground = getStyle('fillColors')[0];
    		
			var isUp: Boolean = (name.indexOf('up') != -1);
			switch (name) {
                case "upArrowUpSkin":
                case "downArrowUpSkin":
                	break;
                case "upArrowOverSkin":
                case "downArrowOverSkin":
                	stripAlpha = 0.6;
                	break;
                case "upArrowDownSkin":
                case "downArrowDownSkin":
               		stripAlpha = 0.8;
		 			break;
                default:
                    break;
            }
            
            graphics.lineStyle(1, colStrip, stripAlpha + 0.2);
            drawRoundRect(0,0,unscaledWidth, unscaledHeight, 0, colBackground, 1);
            
            with (graphics) {
            	lineStyle(2, colStrip, stripAlpha);
            	
            	var cX: int = unscaledWidth/2;
            	var cY: int = unscaledHeight/2;
            	
            	if (isUp) {
            		moveTo(cX, cY - 4);
            		lineTo(cX + 3, cY + 4);
            		lineTo(cX - 3, cY + 5);
            		lineTo(cX-2, cY - 4+2);
            	}
            	else {
            		
            		moveTo(cX + 3, cY - 4);
            		lineTo(cX - 3, cY - 5);
            		lineTo(cX, cY + 4);
            		lineTo(cX + 2, cY - 4 + 2);
            	}
            }
		   
        }
        
		
	}
}