317 lines
5.3 KiB
Plaintext
317 lines
5.3 KiB
Plaintext
///////////////////////////////////////////////////////
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//
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// SaherElm IT Center MQL5 Helper Class Library
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// ----------------------------------------------
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// Name: XSCXAMAHelper
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// Description: provides all Indicator
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// Helper requirements ...
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//
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//
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// Maintainer:
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// ------------
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// Hadi Khazaee Asl (hadi_khazaee_asl@yahoo.com)
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//
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//////////////////////////////////////////////////////
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//
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// Global Properties ...
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#property library
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#property copyright "Copyright 2023, SaherElm IT Center"
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#property link "https://www.saherelm.ir"
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#property version "1.00"
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#property strict
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//
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// Imports ...
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#include "../Classes/x-saherelm.xhelper.class.mq5"
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//
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// Definitions ...
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//
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enum ENUM_XAMA_BUFFERS
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{
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XAMA_MAIN_LINE = 0
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};
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//
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// Input Models ...
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struct XAMAInputs
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{
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//
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// Props ...
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//
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// Market ...
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int length; // Period
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int fastEMA; // Fast EMA Period
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int slowEMA; // Slow EMA Period
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int maShift; // Shift
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ENUM_APPLIED_PRICE appliedTo; // Applied To
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//
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// Presentation ...
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bool showLine; // Show Line
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//
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// Constructor(s) ...
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XAMAInputs()
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{
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//
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Clean();
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}
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//
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// Tools ...
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//
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// Clean ...
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void Clean()
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{
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//
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length = 0;
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fastEMA = 0;
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slowEMA = 0;
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maShift = 0;
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showLine = false;
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appliedTo = PRICE_CLOSE;
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}
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//
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// Default ...
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void Default()
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{
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//
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length = 18;
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fastEMA = 2;
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slowEMA = 30;
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maShift = 0;
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showLine = true;
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appliedTo = PRICE_CLOSE;
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}
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//
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// Validate ...
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bool IsValid()
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{
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//
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bool result = false;
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//
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result =
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//
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length > 0 &&
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fastEMA > 0 &&
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slowEMA > 0 &&
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slowEMA > fastEMA
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//
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;
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//
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return result;
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}
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//
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// Retrieve MAx Length ...
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int Max()
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{
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//
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int result = 0;
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//
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result = MathMax(length, length);
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//
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return result;
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}
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};
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//
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// Class ...
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class XSCXAMAHelper : public XSCBaseHelper
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{
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//
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// Public ...
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public:
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//
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// Props ...
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//
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// Constructors ...
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XSCXAMAHelper() : XSCBaseHelper(_Symbol, _Period)
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{
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}
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//
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// Deconstructor ...
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~XSCXAMAHelper() {}
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//
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// Tools ...
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bool Init(
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string symbol, // Trading Symbol
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ENUM_TIMEFRAMES period, // Trading Period
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XAMAInputs &inputs // Inputs
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)
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{
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//
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bool result = false;
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//
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mSymbol = symbol;
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mPeriod = period;
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//
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result = inputs.IsValid();
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if (!result)
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{
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return result;
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}
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//
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mInputs = inputs;
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//
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ArraySetAsSeries(mainBuffer, true);
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mHandler = iCustom(
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mSymbol,
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mPeriod,
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"x-saherelm.xama",
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//
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// Inputs ...
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//
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// Market ...
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"",
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mInputs.length, // Period
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mInputs.fastEMA, // Fast EMA Period
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mInputs.slowEMA, // Slow EMA Period
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mInputs.maShift, // Shift
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mInputs.appliedTo, // Applied To
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//
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// Presentation ...
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"",
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mInputs.showLine // Show Line
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//
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);
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result = mHandler != INVALID_HANDLE;
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if (!result)
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{
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return result;
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}
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//
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return result;
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}
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//
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// Inputs ...
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//
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XAMAInputs GetInputs()
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{
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return mInputs;
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}
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//
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bool SetInputs(
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XAMAInputs &inputs // Configs
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)
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{
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//
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return Init(
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mSymbol,
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mPeriod,
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inputs
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//
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);
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}
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//
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// Buffers ...
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//
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double GetMain(
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int barIndex // Bar Index
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)
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{
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//
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if (barIndex < 0)
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{
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barIndex = 0;
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}
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//
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Calculate();
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//
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int count = ArraySize(mainBuffer);
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if (barIndex >= count)
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{
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barIndex = count - 1;
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}
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//
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return mainBuffer[barIndex];
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}
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//
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// Copy Required Items ...
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int CopyMain(
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int start, // Start
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int count, // Number of Items for read
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double &buffer[], // Dest Buffer
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bool forceClean = true // Force To Clean buffer
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)
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{
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//
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// Update Calculations ...
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Calculate();
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//
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// Copy Items ...
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return Copy(
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start,
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count,
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mainBuffer,
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buffer,
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forceClean
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//
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);
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}
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//
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// Protected ...
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protected:
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//
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// Private ...
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private:
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//
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// Props ...
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XAMAInputs mInputs; // Inputs ...
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//
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// Buffers ...
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double mainBuffer[];
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//
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// Tools ...
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//
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// Calculate Values Until Now ...
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void Calculate()
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{
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//
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int totalBars = CountBars();
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//
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// Main Buffer ...
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CopyBuffer(
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mHandler,
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XAMA_MAIN_LINE,
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0,
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totalBars,
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mainBuffer
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//
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);
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}
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};
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//
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// Tools ... |