protected override void OnStateChange()
 {
     if (State == State.SetDefaults)
     {
         Description              = NinjaTrader.Custom.Resource.NinjaScriptIndicatorDescriptionNetChangeDisplay;
         Name                     = NinjaTrader.Custom.Resource.NinjaScriptIndicatorNameNetChangeDisplay;
         Calculate                = Calculate.OnPriceChange;
         IsOverlay                = true;
         DrawOnPricePanel         = true;
         IsSuspendedWhileInactive = true;
         Unit                     = PerformanceUnit.Percent;
         PositiveBrush            = Brushes.LimeGreen;
         NegativeBrush            = Brushes.Red;
         Location                 = NetChangePosition.TopRight;
         Font                     = new NinjaTrader.Gui.Tools.SimpleFont("Arial", 18);
     }
     else if (State == State.Configure)
     {
         instrument = Instruments[0];
     }
 }
Esempio n. 2
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        protected override void OnBarUpdate()
        {
            if (Count - 2 == CurrentBar)             //Calculate cycle on last finished, closed bar
            {
                string APIresultContent = "";

                //Get and prepare the close data array
                int           seriesCount = Close.Count - 1;
                List <double> closeList   = new List <double>();
                for (int i = 0; i <= seriesCount; i++)
                {
                    closeList.Add(Close.GetValueAt(i));
                }

                //Call the WhenToTrade Cycles API endpoint POST CycleExplorer
                using (var client = new HttpClient())
                {
                    //WhenToTrade API URL
                    client.BaseAddress = new Uri("https://api.marketcycles.online/");

                    //Load the close dataset for HTTP API POST call
                    var           contents    = JsonConvert.SerializeObject(closeList.ToArray());
                    StringContent POSTcontent = new StringContent(contents, Encoding.UTF8, "application/json");

                    //POST API CALL
                    var response = client.PostAsync("/api/CycleExplorer?minCycleLength=" + minCycleLength + "&maxCycleLength=" + maxCycleLength + "&plotForward=" + plotForward + "&includeTimeseries=true&api_Key=" + apiKey, POSTcontent).Result;

                    //Check for network errors
                    if (response.IsSuccessStatusCode)
                    {
                        APIresultContent = response.Content.ReadAsStringAsync().Result;
                    }
                    else
                    {
                        string msg = response.Content.ReadAsStringAsync().Result;
                        Draw.TextFixed(this, "apierror", "API ERROR:" + msg, TextPosition.TopLeft);
                        return;
                    }
                }

                // Decode the cycle data from API call
                var dominantCycle = JsonConvert.DeserializeObject <dynamic>(APIresultContent);

                // Test for return errors from API?
                string statusCode = dominantCycle.StatusCode != null ? dominantCycle.StatusCode : "";
                bool   error      = statusCode.IndexOf("error", StringComparison.OrdinalIgnoreCase) >= 0;
                if (error)
                {
                    Draw.TextFixed(this, "apierror", "API ERROR:" + statusCode, TextPosition.TopLeft);
                    return;
                }

                //get key cycle information from return object
                var cyclelength  = dominantCycle.length;
                var currentPrice = dominantCycle.currentPrice;
                var timeSeries   = dominantCycle.TimeSeries;

                // DEBUG: Print return values to log
                Print(dominantCycle);

                // Fill cycle indicator values from timeSeries API return array (info: called just once for the full chart)
                for (int i = 0; i <= CurrentBar; i++)
                {
                    try {
                        Value[CurrentBar - i] = timeSeries[i + plotForward].dominantCycle;

                        if (timeSeries[i + plotForward].cycleHighlighter != null)
                        {
                            Values[1][CurrentBar - i] = timeSeries[i + plotForward].cycleHighlighter;
                        }
                    } catch (Exception ex)
                    {
                        //should never happen, but in case lets ignore them and only print to log
                        Print("Error: " + i + " - " + ex.Message);
                    }
                }

                // Plot Dominant Cycle Information
                TextFixed myTF = Draw.TextFixed(this, "dctext", "Cycle Length: " + cyclelength.ToString("0") + Environment.NewLine + "Next Low: " + dominantCycle.nextlow.ToString("0.00") + Environment.NewLine + "Next Top: " + dominantCycle.nexttop.ToString("0.00") + Environment.NewLine + "Status: " + dominantCycle.phase_status, TextPosition.TopLeft);

                // Plot the dot at current bar cycle position
                double doty = timeSeries[CurrentBar].dominantCycle;
                NinjaTrader.Gui.Tools.SimpleFont myFont = new NinjaTrader.Gui.Tools.SimpleFont("Wingdings", 12)
                {
                    Size = 12
                };
                Draw.Text(this, "dot", true, "l", 0, doty, 0, Brushes.Green, myFont, TextAlignment.Center, Brushes.Transparent, Brushes.Transparent, 0);
            }
        }