package skins
{
	import flash.display.GradientType;
	import flash.geom.Matrix;
	
	import mx.skins.Border;
	import mx.utils.ColorUtil;

	public class TabBar extends Border
	{
        
        private var backgroundColor: uint = 0xFFFFFF;
        private var backgroundColorAlt: uint = 0xFFFFFF;
        private var borderColor: uint = 0;
        private var borderThickness: Number = 1;
        private var borderAlpha: Number  = 0.8;
        private var backgroundAlpha: Number  = 1;
        		
		override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void {
			unscaledWidth -= 3;
			graphics.clear();
			borderColor = 0xCCCCCC;//getStyle('borderColor');
		   	
			backgroundColor = ColorUtil.adjustBrightness(getStyle('fillColors')[0], 30);
			backgroundColorAlt = ColorUtil.adjustBrightness(backgroundColor, 120);
			
			var h: Number = unscaledHeight - 6;

			switch (name) {
				case 'selectedOverSkin':
				case 'selectedDownSkin':
				case 'selectedUpSkin':
					backgroundColor = ColorUtil.adjustBrightness(backgroundColor, -20);
					h = unscaledHeight - 3;
					break;
				case 'overSkin':
				case 'downSkin':
				default :
					break;
			}
			
			
		   	switch (name) {
				case "upSkin":
		 			break;
				case "overSkin":
					backgroundColor = ColorUtil.adjustBrightness(getStyle('fillColors')[0], 10);
		 			break;
				case "downSkin":
					
		 			break;
		 
				case "disabledSkin":
					alpha = 0.3;
		 			break;
		   	}
		   	
		   	var mY: Number = unscaledHeight - h - (unscaledHeight - h)/2;
		   	var radius: Number = 3;
		   	graphics.lineStyle(0, 0, 0);
			drawRoundRect(
				-1, mY-1, unscaledWidth + 4, h + 4, 
				5, 
				ColorUtil.adjustBrightness(backgroundColor, -40), 0.5);

			var cols: Array = [backgroundColor, backgroundColorAlt, backgroundColor];
			var alphas: Array = [1, 1, 1];
			var ratios: Array = [10, 90, 200];
			var matrix: Matrix = new Matrix();
			matrix.createGradientBox(unscaledWidth, h, Math.PI/2, 0, mY);			
			graphics.lineStyle(1, borderColor, borderAlpha);
			drawRoundRect(0, mY, unscaledWidth, h, radius, cols, alphas, matrix, GradientType.LINEAR, ratios);
		
		}
	}
}