refactor

2021-03-06 17:18:17 +01:00
parent b17e82d99d
commit c1633e7c80
7 changed files with 2644 additions and 1147 deletions
@@ -0,0 +1,145 @@
+//+------------------------------------------------------------------+
+//|                                                 ChartControl.mqh |
+//|                                                   Gunther Schulz |
+//|                        https://github.com/khramkov/MQL5-JSON-API |
+//+------------------------------------------------------------------+
+
+// EXPERIMENTAL - DO NOT USE ;)
+
+#property copyright "Gunther Schulz"
+#property link      "https://github.com/khramkov/MQL5-JSON-API"
+
+#define CHART_CONTROL true
+
+int CHART_DATA_PORT=15560;
+int CHART_INDICATOR_DATA_PORT=15562;
+
+//+------------------------------------------------------------------+
+//|                                                                  |
+//+------------------------------------------------------------------+
+Socket chartDataSocket(context,ZMQ_PULL);
+Socket chartIndicatorDataSocket(context,ZMQ_PUB);
+
+// Variables for controlling chart
+struct ChartWindow
+  {
+   long              id; // Internal id
+   string            chartId; // UUID
+  };
+  
+ChartWindow chartWindows[];
+int chartWindowCount = 0;
+
+struct ChartWindowIndicator
+  {
+   long              id; // Internal id
+   string            indicatorId; // UUID
+   int               indicatorHandle; // Internal id/handle
+  };
+
+ChartWindowIndicator chartWindowIndicators[];
+int chartWindowIndicatorCount = 0;
+
+//+----------------------------------------------------------------------+
+//| Function return index of chart window array by chart window id string|
+//+----------------------------------------------------------------------+
+int GetChartWindowIdxByChartWindowId(string chartWindowId)
+  {
+   for(int i=0; i<chartWindowCount; i++)
+     {
+      if(chartWindows[i].chartId == chartWindowId)
+        {
+         return i;
+        }
+     }
+   return -1;
+  }
+
+//+------------------------------------------------------------------+
+//| Open new chart or add indicator to chart                         |
+//+------------------------------------------------------------------+
+void ChartControl(CJAVal &dataObject)
+  {
+
+   string actionType=dataObject["actionType"].ToStr();
+
+   if(actionType=="ADDINDICATOR")
+     {
+      AddChartIndicator(dataObject);
+     }
+   else
+      if(actionType=="OPEN")
+        {
+         OpenChart(dataObject);
+        }
+  }
+
+//+------------------------------------------------------------------+
+//| Open new chart                                                   |
+//+------------------------------------------------------------------+
+void OpenChart(CJAVal &dataObject)
+  {
+
+   string chartId=dataObject["chartId"].ToStr();
+   string symbol=dataObject["symbol"].ToStr();
+   string chartTF=dataObject["chartTF"].ToStr();
+
+   chartWindowCount++;
+   ArrayResize(chartWindows,chartWindowCount);
+
+   int idx = chartWindowCount-1;
+
+   chartWindows[idx].chartId = chartId;
+
+   ENUM_TIMEFRAMES period = GetTimeframe(chartTF);
+   chartWindows[idx].id = ChartOpen(symbol, period);
+   ChartSetInteger(chartWindows[idx].id, CHART_AUTOSCROLL, false);
+
+   CJAVal message;
+   message["error"]=(bool) false;
+   message["chartId"] = (string) chartId;
+   message["mtChartId"] = (string) chartWindows[idx].id;
+
+   string t=message.Serialize();
+   if(debug)
+      Print(t);
+   InformClientSocket(dataSocket,t);
+  }
+
+//+------------------------------------------------------------------+
+//| Add JsonAPIIndicator indicator to chart                          |
+//+------------------------------------------------------------------+
+void AddChartIndicator(CJAVal &dataObject)
+  {
+
+   string chartIdStr=dataObject["chartId"].ToStr();
+   string chartIndicatorId=dataObject["chartIndicatorId"].ToStr();
+   int chartIndicatorSubWindow=dataObject["chartIndicatorSubWindow"].ToInt();
+   string shortName = dataObject["shortName"].ToStr();
+
+   int chartIdx = GetChartWindowIdxByChartWindowId(chartIdStr);
+   long chartId = chartWindows[chartIdx].id;
+
+   double chartIndicatorHandle = iCustom(ChartSymbol(chartId),ChartPeriod(chartId),"JsonAPIIndicator",chartIndicatorId,shortName); //linelabel,colorstyle,linetype,linestyle,linewidth);
+
+   if(ChartIndicatorAdd(chartId, chartIndicatorSubWindow, chartIndicatorHandle))
+     {
+      chartWindowIndicatorCount++;
+      ArrayResize(chartWindowIndicators,chartWindowIndicatorCount);
+      int indicatorIdx = chartWindowIndicatorCount-1;
+      chartWindowIndicators[indicatorIdx].indicatorId = chartIndicatorId;
+      chartWindowIndicators[indicatorIdx].indicatorHandle = chartIndicatorHandle;
+     }
+   if(!CheckError(__FUNCTION__))
+     {
+      CJAVal message;
+      message["error"]=(bool) false;
+      message["chartId"] = (string) chartIdStr;
+
+      string t=message.Serialize();
+      if(debug)
+         Print(t);
+      InformClientSocket(dataSocket,t);
+     }
+  }
+//+------------------------------------------------------------------+