package skins
{
	import flash.display.GradientType;
	import flash.display.InterpolationMethod;
	import flash.display.SpreadMethod;
	import flash.geom.Matrix;
	
	import mx.skins.ProgrammaticSkin;
	import mx.utils.ColorUtil;

	public class ComboSkin extends ProgrammaticSkin {
	
        private var colBackground: uint = 0xFFFFFF;
        private var colListBackground: uint = 0xFFFFFF;
        private var colBorder: uint = 0;
        private var borderThickness: uint = 1;
        private var borderAlpha: Number  = 1;
        private var backgroundAlpha: Number  = 1;		
       	private var arrowZoneWidth: Number = 14;
       	private var colArrow: uint = 0xFFFFFF;
       	private var colAlt: uint = 0xFFFFFF;
		private var radius: Number = 5;
		
		override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void {
			graphics.clear();
		   	colBorder= getStyle('borderColor');
			colArrow = getStyle('arrColor');
			colBackground = getStyle('fillColors')[0];
			colListBackground =  getStyle('fillColors')[0];
			
		   	switch (name) {
				case "upSkin":
		 			break;
				case "overSkin":
					colBackground = ColorUtil.adjustBrightness(getStyle('fillColors')[0], 60);
		 			break;
				case "downSkin":
					
		 			break;
		 
				case "disabledSkin":
					alpha = 0.3;
		 			break;
		   	}
		   
		   	graphics.lineStyle(borderThickness, colBorder, borderAlpha);
			drawRoundRect(0, 0, unscaledWidth, unscaledHeight, 0, colListBackground, backgroundAlpha);
			
			var matrix: Matrix = new Matrix();
		   	matrix.createGradientBox(unscaledWidth, unscaledHeight, Math.PI/2, 0, 0);
			colAlt = ColorUtil.adjustBrightness(colBackground, 110);
			drawRoundRect(
				unscaledWidth-arrowZoneWidth, 0, arrowZoneWidth, unscaledHeight, 0, 
				[colAlt, colBackground], [backgroundAlpha, backgroundAlpha], matrix, GradientType.LINEAR, [0, 120]);
			
			
			var cX: Number = unscaledWidth - arrowZoneWidth/2 + 1;
			var cY: Number = unscaledHeight/2;
			
			with (graphics) {
				lineStyle(0, 0, 0);
				beginFill(colArrow, 1);
				moveTo(cX - 3, cY - 3);
				lineTo(cX, cY + 3);
				lineTo(cX + 3, cY - 3);
				lineTo(cX - 3, cY - 3);
				endFill();
			}
		}
		
	}
}