feat: Updated plotchar

sibvic · Sep 5, 2024 · f8c1aee · f8c1aee
1 parent 205a236
commit f8c1aee
Showing 1 changed file with 35 additions and 8 deletions.
diff --git a/snippets/PlotChar.mqh b/snippets/PlotChar.mqh
@@ -1,27 +1,29 @@
 // Implementation of PineScript's plotchar
-// v1.0
+// v1.2
 
 class PlotChar
 {
    string _char;
    string _id;
+   string _location;
 public:
-   PlotChar(string ch, string id)
+   PlotChar(string ch, string id, string location)
    {
       _char = ch;
       _id = id;
+      _location = location;
    }
-   void set(int pos, bool toTrue)
+   void Set(int pos, bool toTrue, color clr = Blue)
    {
       datetime time = iTime(_Symbol, _Period, pos);
       string id = _id + TimeToString(time);
       if (!toTrue)
       {
-         ObjectDelete(id);
+         ObjectDelete(0, id);
          return;
       }
       ResetLastError();
-      double price = iHigh(_Symbol, _Period, pos);
+      double price = GetPrice(pos);
       if (ObjectFind(0, id) == -1)
       {
          if (!ObjectCreate(0, id, OBJ_TEXT, 0, time, price))
@@ -31,11 +33,36 @@ public:
          }
          ObjectSetString(0, id, OBJPROP_FONT, "Arial");
          ObjectSetInteger(0, id, OBJPROP_FONTSIZE, 12);
-         ObjectSetInteger(0, id, OBJPROP_COLOR, Blue);
-         ObjectSetInteger(0, id, OBJPROP_ANCHOR, ANCHOR_LOWER);
+         ObjectSetInteger(0, id, OBJPROP_COLOR, clr);
+         ObjectSetInteger(0, id, OBJPROP_ANCHOR, GetAnchor());
       }
       ObjectSetInteger(0, id, OBJPROP_TIME, time);
-      ObjectSetDouble(0, id, OBJPROP_PRICE1, price);
+      ObjectSetDouble(0, id, OBJPROP_PRICE, 1, price);
       ObjectSetString(0, id, OBJPROP_TEXT, _char);
    }
+private:
+   int GetAnchor()
+   {
+      if (_location == "abovebar")
+      {
+         return ANCHOR_LOWER;
+      }
+      if (_location == "belowbar")
+      {
+         return ANCHOR_UPPER;
+      }
+      return ANCHOR_CENTER;
+   }
+   double GetPrice(int pos)
+   {
+      if (_location == "abovebar")
+      {
+         return iHigh(_Symbol, _Period, pos);
+      }
+      if (_location == "belowbar")
+      {
+         return iLow(_Symbol, _Period, pos);
+      }
+      return iClose(_Symbol, _Period, pos);
+   }
 };