package com.convia.app.ui.controls
{
	import com.greensock.TweenNano;
	import flash.display.Graphics;
	import flash.geom.Rectangle;
	import mx.charts.chartClasses.ChartElement;
	import mx.graphics.IStroke;

	import mx.charts.chartClasses.CartesianChart;
	import mx.charts.chartClasses.ChartElement;
	import mx.charts.chartClasses.ChartState;
	import mx.charts.chartClasses.GraphicsUtilities;
	import mx.charts.chartClasses.IAxisRenderer;

	/**
	 * ...
	 * @author Ivan Dyachenko
	 */
	public class GridYellowLine extends ChartElement
	{

		[Bindable] public var min:Number;
		[Bindable] public var max:Number;
		[Bindable] public var warning:Number;

		private var animate:Boolean = false;
		private var baselineY:Number = 0;
		private var baselineHeight:Number = 10;

		public var warningLine : WarningLine;

		private var _baseline:Number = 0;
		public function set base(value:Number):void
		{
			trace(value, _baseline);
			if (value && _baseline != value)
			{
				_baseline = value;
				updateBaseLine();
				animateLine();
			}
		}

		public function GridYellowLine()
		{
			super();
			warningLine = new WarningLine;
			addChild(warningLine);
		}

		private function updateBaseLine():void
		{
			min = min || 0;
			max = max || 100;
			warning = warning || 10;

			baselineY = height * (1 - (_baseline - min) / (max - min));
			baselineHeight = height / 100 * warning;
		}

		private function animateLine():void
		{
			animate = true;
			warningLine.width = width;

			TweenNano.to(warningLine, 1, { y:baselineY - baselineHeight / 2, height:baselineHeight, onComplete: updateBaseLineEnd } );
		}

		public function updateBaseLineEnd():void
		{
			animate = false;
		}

		override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void
        {
			super.updateDisplayList(unscaledWidth, unscaledHeight);

			if (!chart|| animate ||
					chart.chartState == ChartState.PREPARING_TO_HIDE_DATA ||
					chart.chartState == ChartState.HIDING_DATA)
			{
				return;
			}

			updateBaseLine();

			warningLine.y = baselineY - baselineHeight / 2;
			warningLine.width = unscaledWidth;
			warningLine.height = baselineHeight;
        }

	}

}