source: code/Website/dot-net-library/written-by-xiao-yifang/OpenFlashChart/Pie.cs@ 7937

using System;
using System.Collections.Generic;
using System.Text;
using JsonFx.Json;


namespace OpenFlashChart
{
    public class PieValue
    {
        private double val;
        private string text;
        private string click;
        public PieValue(double val)
        {
            this.val = val;
        }
        public static implicit operator PieValue(double val)
        {
            return new PieValue(val,"");
        }
        public PieValue(double val, string text)
        {
            this.val = val;
            this.Text = text;
        }
        [JsonProperty("value")]
        public double Value
        {
            get { return val; }
            set { val = value; }
        }
        [JsonProperty("label")]
        public string Text
        {
            get { return text; }
            set { text = value; }
        }
        [JsonProperty("on-click")]
        public string Click
        {
            get { return click; }
            set { click = value; }
        }
    }
    public class Pie : Chart<PieValue>
    {
        private int border;
        private IEnumerable<String> colours;
        private double alpha;
        private PieAnimationSeries animate;
        private double start_angle;
        private bool? gradientfill;
        private bool? nolabels;

        public Pie()
        {
            this.ChartType = "pie";
            this.border = 2;
            this.colours = new string[] { "#d01f3c", "#356aa0", "#C79810" };
            this.alpha = 0.6;
            //this.animate = true;
            //gradientfill = true;

        }
        [JsonProperty("colours")]
        public IEnumerable<string> Colours
        {
            get { return this.colours; }
            set
            {
                this.colours = value;
            }
        }
        [JsonProperty("border")]
        public int Border
        {
            get { return border; }
            set { border = value; }
        }
        [JsonProperty("alpha")]
        public double Alpha
        {
            get { return alpha; }
            set
            {
                if (value < 0)
                    alpha = 0;
                else if ((value >= 0) && (value <= 1))
                    alpha = value;
                else if ((value > 1)&&(value<=100))
                    alpha = value/100;
                else
                    alpha = 1.0;
            }
        }
        [JsonProperty("animate")]
        public PieAnimationSeries Animate
        {
            get { return animate; }
            set { animate = value; }
        }
        [JsonProperty("start-angle")]
        public double StartAngle
        {
            get { return start_angle; }
            set { start_angle = value; }
        }
        [JsonProperty("gradient-fill")]
        public bool? GradientFillMode
        {
            get { return gradientfill; }
            set { gradientfill = value; }
        }
        [JsonProperty("no-labels")]
        public bool? NoLabels
        {
            get { return nolabels; }
            set { nolabels = value; }
        }
    }
}