last ...

2025-02-22 01:13:26 +03:30
parent 627e9c4706
commit c371004b3b
10 changed files with 2701 additions and 4 deletions
@@ -233,8 +233,9 @@ class XCBarArrowObject : public XCBaseObject

        //
        result =
-            //
-            bar.IsValid()
+            //            
+            bar.IsValid() &&
+            IsValid(name)
            //
            ;
        if (!result)
@@ -2872,6 +2873,162 @@ class XCTrendObject : public XCBaseObject
  public:
    //

+    /**
+     * Creator ...
+     *
+     * @param  chart_id: Long, Specified Chart ID ...
+     * @param  window: Integer, Specified Chart Window ID ...
+     * @param  rr: XRR instance Reference ...
+     * @param  prefix: String ...
+     *
+     * @return ( bool )
+     */
+    bool Create(
+        long chart_id,
+        int window,
+        XPoint &swings[],
+        bool useMinAsStart = true,
+        string prefix = NULL //
+    )
+    {
+        //
+        bool result = false;
+
+        //
+        int count = ArraySize(swings);
+        result =
+            count >= 2 &&
+            IsValidSize(count);
+        if (!result)
+        {
+            return result;
+        }
+
+        //
+        double min = 0;
+        datetime minAt = NULL;
+
+        //
+        double max = 0;
+        datetime maxAt = NULL;
+
+        //
+        // Etract Min/Max ...
+        for (int i = 0; i < count; i++)
+        {
+            //
+            XPoint iPoint = swings[i];
+
+            //
+            if (!iPoint.IsValid())
+            {
+                //
+                iPoint.Clean();
+                continue;
+            }
+
+            //
+            bool canSetMin =
+                min == 0
+                    ? true
+                    : min > iPoint.value;
+            if (canSetMin)
+            {
+                //
+                minAt = iPoint.at;
+                min = iPoint.value;
+            }
+
+            //
+            bool canSetMax =
+                max == 0
+                    ? true
+                    : max < iPoint.value;
+            if (canSetMax)
+            {
+                //
+                maxAt = iPoint.at;
+                max = iPoint.value;
+            }
+
+            //
+            iPoint.Clean();
+        }
+
+        //
+        double first =
+            useMinAsStart
+                ? min
+                : max;
+        datetime firstTime =
+            useMinAsStart
+                ? minAt
+                : maxAt;
+
+        //
+        double second =
+            useMinAsStart
+                ? max
+                : min;
+        datetime secondTime =
+            useMinAsStart
+                ? maxAt
+                : minAt;
+
+        //
+        // Validate Points ...
+        result =
+            //
+            first > 0 &&
+            second > 0 &&
+            (useMinAsStart
+                 ? first <= second
+                 : first >= second) &&
+            IsSpecifiedValid(firstTime) &&
+            IsSpecifiedValid(secondTime) 
+            //
+            ;
+        if (!result)
+        {
+            return result;
+        }
+        
+        //
+        ENUM_X_DIRECTION dir = 
+         useMinAsStart
+         ? X_DIRECTION_BULLISH
+         : X_DIRECTION_BEARISH;
+
+        //
+        string name = "XTRND" + ToString(dir) + "_" + ToString(first) + "_" + ToString(second);
+        if (IsValid(prefix))
+        {
+            name = prefix + "_" + name;
+        }
+        string nameMD5 = ToMD5(name);
+
+        //
+        result = mTrend.Create(
+            chart_id,
+            name,
+            window,
+            firstTime,
+            first,
+            secondTime,
+            second //
+        );
+        if (!result)
+        {
+            return result;
+        }
+
+        //
+        ObjName(name);
+
+        //
+        return result;
+    }
+
    /**
     * Creator ...
     *