Initial Commit ...

2024-01-25 04:03:36 +03:30
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+///////////////////////////////////////////////////////
+// 
+// SaherElm IT Center ADX Oscillator
+// ---------------------------------------------
+// saherelm implementation of above oscillator ...
+//
+// Maintainer:
+// ------------
+// Hadi Khazaee Asl (hadi_khazaee_asl@yahoo.com)
+// 
+//////////////////////////////////////////////////////
+//
+// Global Properties ...
+#property copyright "Copyright 2023, SaherElm IT Center"
+#property link "https://saherelm.ir"
+#property version "1.00"
+#property description "SaherElm ADX Oscillator"
+#property strict
+
+//
+// START Inputs ...
+//
+input int length = 7; // Averaging Length
+//
+// END Inputs ...
+//
+
+//
+// START Global Definitions: Variables, Properties and etc ...
+//
+//
+#property indicator_chart_window
+
+//
+// #property indicator_buffers    3
+
+//
+// Declare Buffers ...
+//
+datetime startTime;
+double lHigh;
+double lLow;
+
+//
+datetime highTimes[];
+
+//
+datetime lowTimes[];
+//
+// END Global Definitions: Variables, Properties and etc ...
+//
+
+//
+// Start Event Handlers ...
+// 
+//
+// Initialization ...
+int OnInit() {
+    //
+    // Initialize what we want ...
+
+    //
+    // Validating Input Parameters ...
+    if (length < 0) {
+        return INIT_PARAMETERS_INCORRECT;
+    }
+
+    //
+    // initialization done ...
+    return INIT_SUCCEEDED;
+}
+
+//
+// Do Calculation ...
+int OnCalculate(
+    const int rates_total,
+    const int prev_calculated,
+    const datetime &time[],
+    const double &open[],
+    const double &high[],
+    const double &low[],
+    const double &close[],
+    const long &tick_volume[],
+    const long &volume[],
+    const int &spread[]
+) {
+    //
+    // this counts Available Bars ...
+    int limit;
+
+    //
+    // because in some cases we may have more than one input for 
+    // calculation and we must prevent any calculation
+    // untill we pass the biggest input length, here we get max Input length
+    // and then wait until pass it ...
+    int maxLength = MathMax(0, length);
+
+    //
+    // input variable, we return 0 means nothing passed ...
+    if (rates_total < maxLength) {
+      return 0;
+    }
+   
+    //
+    // found which candles calculated before ...
+    limit = (prev_calculated == 0) ? rates_total - maxLength - 1 : rates_total - prev_calculated + 1;
+
+    //
+    // this is the main loop of calculations, for each bar index ...
+    for (int i = limit - 1; i >= 0; i--) {
+        //
+        // Start Calculation here ...
+        // i is bar_index ... 
+        
+        //
+        // Calculate Long TP ...
+        CalculateBuffers(i);
+    }
+
+    //
+    return rates_total;
+}
+//
+// END Event Handlers ...
+// 
+
+//
+// START Functions ...
+//
+void CalculateBuffers(
+    const int bar_index
+) {
+    //
+    // Calculate Buffers ...
+    //
+    int startBarIndex = iBarShift(
+        _Symbol,
+        _Period,
+        startTime
+    );
+
+    //
+    datetime barTime = iTime(
+        _Symbol,
+        _Period,
+        bar_index
+    );
+
+    //
+    if (startTime == 0) {
+        //
+        startTime = barTime;
+        return;
+    }
+
+    //
+    if (
+        startTime > 0
+        && startBarIndex - bar_index == length
+    ) {
+        //
+        int hhIdx = iHighest(
+            _Symbol,
+            _Period,
+            MODE_HIGH,
+            length,
+            bar_index
+        );
+        datetime hhTime = iTime(
+            _Symbol,
+            _Period,
+            hhIdx
+        );
+        double hh = iHigh(
+            _Symbol,
+            _Period,
+            hhIdx
+        );
+
+        //
+        int hhSize = ArraySize(highTimes);
+        datetime tempTimes[];
+        ArrayResize(
+            tempTimes,
+            hhSize
+        );
+        ArrayCopy(
+            tempTimes,
+            highTimes
+        );
+        ArrayResize(
+            highTimes,
+            hhSize + 1
+        );
+        highTimes[0] = hhTime;
+        ArrayCopy(
+            highTimes,
+            tempTimes,
+            1
+        );
+
+        //
+        int llIdx = iLowest(
+            _Symbol,
+            _Period,
+            MODE_LOW,
+            length,
+            bar_index
+        ); 
+        datetime llTime = iTime(
+            _Symbol,
+            _Period,
+            llIdx
+        );
+        double ll = iLow(
+            _Symbol,
+            _Period,
+            llIdx
+        );
+
+        //
+        int llSize = ArraySize(lowTimes);
+        ArrayFree(tempTimes);
+        ArrayResize(
+            tempTimes,
+            llSize
+        );
+        ArrayCopy(
+            tempTimes,
+            lowTimes
+        );
+        ArrayResize(
+            lowTimes,
+            llSize + 1
+        );
+        lowTimes[0] = llTime;
+        ArrayCopy(
+            lowTimes,
+            tempTimes,
+            1
+        );
+
+        //
+        startTime = 0;
+        ArrayFree(tempTimes);
+    }
+}
+//
+// END Functions ...
+//