#region Using declarations
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media;
using System.Xml.Serialization;
using NinjaTrader.Cbi;
using NinjaTrader.Gui;
using NinjaTrader.Gui.Chart;
using NinjaTrader.Gui.SuperDom;
using NinjaTrader.Gui.Tools;
using NinjaTrader.Data;
using NinjaTrader.NinjaScript;
using NinjaTrader.Core.FloatingPoint;
using NinjaTrader.NinjaScript.DrawingTools;
#endregion

//This namespace holds Indicators in this folder and is required. Do not change it. 
namespace NinjaTrader.NinjaScript.Indicators
{
    public class RefreshRate : Indicator
    {
        private const long TicksInMillisecond = 10000;
        
        private bool IsRefreshing;
        private long PreviousFrame;
        
        protected override void OnStateChange()
        {
            if (State == State.SetDefaults)
            {
                Description = @"Refreshes the chart on every incoming tick or market depth update according to the desired refresh rate";
                Name = "Refresh Rate";
                Calculate = Calculate.OnEachTick;
                IsChartOnly = true;
                IsOverlay = true;
                DisplayInDataBox = false;
                ScaleJustification = ScaleJustification.Right;
                IsSuspendedWhileInactive = true;
                RefreshRateMilliseconds = 0;
            }
        }

        protected override void OnMarketDepth(MarketDepthEventArgs marketDepthUpdate)
        {
            RefreshChart();
        }

        protected override void OnBarUpdate()
        {
            RefreshChart();
        }

        private void RefreshChart()
        {
            if (IsRefreshing || ChartControl == null || State == State.Historical)
                return;

            if (RefreshRateMilliseconds > 0)
            {
                long currentFrame = DateTime.Now.Ticks / (TicksInMillisecond * RefreshRateMilliseconds);
                if (currentFrame == PreviousFrame)
                    return;
                PreviousFrame = currentFrame;
            }

            IsRefreshing = true;
            ChartControl.Dispatcher.InvokeAsync(() => {
                ChartControl.InvalidateVisual();
                IsRefreshing = false;
            });
        }

        public override string DisplayName
        {
            get { return Name; }
        }

        [NinjaScriptProperty]
        [Range(0, int.MaxValue)]
        [Display(Name = "Refresh Rate (Ms)", Description = "Number of milliseconds to wait between chart refreshes (0 for no waiting)", Order = 1, GroupName = "Refresh Rate")]
        public int RefreshRateMilliseconds
        { get; set; }
    }
}

#region NinjaScript generated code. Neither change nor remove.

namespace NinjaTrader.NinjaScript.Indicators
{
    public partial class Indicator : NinjaTrader.Gui.NinjaScript.IndicatorRenderBase
    {
        private RefreshRate[] cacheRefreshRate;
        public RefreshRate RefreshRate(int refreshRateMilliseconds)
        {
            return RefreshRate(Input, refreshRateMilliseconds);
        }

        public RefreshRate RefreshRate(ISeries<double> input, int refreshRateMilliseconds)
        {
            if (cacheRefreshRate != null)
                for (int idx = 0; idx < cacheRefreshRate.Length; idx++)
                    if (cacheRefreshRate[idx] != null && cacheRefreshRate[idx].RefreshRateMilliseconds == refreshRateMilliseconds && cacheRefreshRate[idx].EqualsInput(input))
                        return cacheRefreshRate[idx];
            return CacheIndicator<RefreshRate>(new RefreshRate(){ RefreshRateMilliseconds = refreshRateMilliseconds }, input, ref cacheRefreshRate);
        }
    }
}

namespace NinjaTrader.NinjaScript.MarketAnalyzerColumns
{
    public partial class MarketAnalyzerColumn : MarketAnalyzerColumnBase
    {
        public Indicators.RefreshRate RefreshRate(int refreshRateMilliseconds)
        {
            return indicator.RefreshRate(Input, refreshRateMilliseconds);
        }

        public Indicators.RefreshRate RefreshRate(ISeries<double> input , int refreshRateMilliseconds)
        {
            return indicator.RefreshRate(input, refreshRateMilliseconds);
        }
    }
}

namespace NinjaTrader.NinjaScript.Strategies
{
    public partial class Strategy : NinjaTrader.Gui.NinjaScript.StrategyRenderBase
    {
        public Indicators.RefreshRate RefreshRate(int refreshRateMilliseconds)
        {
            return indicator.RefreshRate(Input, refreshRateMilliseconds);
        }

        public Indicators.RefreshRate RefreshRate(ISeries<double> input , int refreshRateMilliseconds)
        {
            return indicator.RefreshRate(input, refreshRateMilliseconds);
        }
    }
}

#endregion