223 lines
5.0 KiB
Plaintext
223 lines
5.0 KiB
Plaintext
///////////////////////////////////////////////////////
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// SaherElm IT Center MQL5 Indicator
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// -------------------------------------------
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// Name: XADXTD
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// Description: ADX TD Channel ...
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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 copyright "Copyright 2023, SaherElm IT Center"
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#property link "https://saherelm.ir"
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#property version "1.00"
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#property description "SaherElm XADXTD Indicator"
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#property strict
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//
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#define ShortName "XADXTD"
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//
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// Imports ...
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#include "../Libraries/x-saherelm.common.lib.mq5"
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//
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// Inputs ...
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input int length = 21; // Length
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//
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// BUFFERS ...
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//
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#property indicator_chart_window
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//
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#property indicator_buffers 3
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#property indicator_plots 0
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//
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#define strengthBufferIndex 0
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double strengthBuffer[];
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//
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#define bullpBufferIndex 1
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double bullpBuffer[];
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//
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#define bearpBufferIndex 2
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double bearpBuffer[];
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//
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int maxLength = 0;
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int mHandler = INVALID_HANDLE;
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//
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// Event Handlers ...
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//
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// Initialization ...
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int OnInit()
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{
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//
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// Validate Inputs ...
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if (!ValidateInputs())
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{
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return INIT_PARAMETERS_INCORRECT;
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}
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//
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// because in some cases we may have more than one input for
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// calculation and we must prevent any calculation
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// untill we pass the biggest input length, here we get max Input length
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// and then wait until pass it ...
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maxLength = ExtractMaxLengthOfInputs();
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//
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// Define Index Buffers ...
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DefineBuffers();
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//
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// Set Indicator ShortName ...
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SetIndicatorName();
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//
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mHandler = iADX(
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_Symbol,
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_Period,
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length //
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);
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if (mHandler == INVALID_HANDLE)
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{
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return INIT_FAILED;
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}
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//
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// Init Succeed ...
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return INIT_SUCCEEDED;
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}
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//
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// DeInitialization ...
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void OnDeinit(const int reason)
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{
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//
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// REASON_PROGRAM 0 The EA has stopped working calling the ExpertRemove() function
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// REASON_REMOVE 1 Program removed from a chart
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// REASON_RECOMPILE 2 Program recompiled
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// REASON_CHARTCHANGE 3 A symbol or a chart period is changed
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// REASON_CHARTCLOSE 4 Chart closed
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// REASON_PARAMETERS 5 Inputs changed by a user
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// REASON_ACCOUNT 6 Another account has been activated or reconnection to the trade server has occurred due to changes in the account settings
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// REASON_TEMPLATE 7 Another chart template applied
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// REASON_INITFAILED 8 The OnInit() handler returned a non-zero value
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// REASON_CLOSE 9 Terminal closed
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//
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IndicatorRelease(mHandler);
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}
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//
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// Calculating what we want ...
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int OnCalculate(
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const int rates_total, // Total Bars on Chart ...
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const int prev_calculated, // Total Calculated Bars on Charts ...
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const datetime &time[], // History of Open Time ...
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const double &open[], // History of Open Price ...
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const double &high[], // History of High Price ...
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const double &low[], // History of Low Price ...
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const double &close[], // History of Close Price ...
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const long &tick_volume[], // History of Tick Volumes on Bar ...
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const long &volume[], // History of Trade Volumes ...
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const int &spread[] // History of Spread Price ...
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)
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{
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//
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// this counts Available Bars ...
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int limit;
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//
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// Check Calculated Bars ...
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int adxCalculatedBars = BarsCalculated(mHandler);
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if (adxCalculatedBars < maxLength)
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{
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return prev_calculated;
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}
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//
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limit = (prev_calculated > rates_total || prev_calculated <= 0) ? rates_total : (rates_total - prev_calculated) + 1;
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//
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// Buffers Copy ...
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int copiedADXStrength = CopyBuffer(mHandler, MAIN_LINE, 0, limit, strengthBuffer);
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int copiedADXBullp = CopyBuffer(mHandler, PLUSDI_LINE, 0, limit, bullpBuffer);
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int copiedADXBearP = CopyBuffer(mHandler, MINUSDI_LINE, 0, limit, bearpBuffer);
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if (copiedADXBullp <= 0 ||
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copiedADXBearP <= 0 ||
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copiedADXStrength <= 0)
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{
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return prev_calculated;
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}
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//
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return rates_total;
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}
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//
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// Functions ...
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//
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// Validate Input Args for Initialization ...
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bool ValidateInputs()
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{
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//
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bool result =
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//
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(length > 0)
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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 all Exists Input Max Length ...
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// use for Start Of Drawing ...
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int ExtractMaxLengthOfInputs()
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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(result, length);
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//
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return result;
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}
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//
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// Set Indicator Short Name and also we can define Buffers Labels ...
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void SetIndicatorName()
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{
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IndicatorSetString(INDICATOR_SHORTNAME, ShortName);
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}
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//
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// Define Indexes and Styles ...
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void DefineBuffers()
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{
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//
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ArraySetAsSeries(strengthBuffer, true);
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SetIndexBuffer(strengthBufferIndex, strengthBuffer, INDICATOR_CALCULATIONS);
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//
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ArraySetAsSeries(bullpBuffer, true);
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SetIndexBuffer(bullpBufferIndex, bullpBuffer, INDICATOR_CALCULATIONS);
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//
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ArraySetAsSeries(bearpBuffer, true);
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SetIndexBuffer(bearpBufferIndex, bearpBuffer, INDICATOR_CALCULATIONS);
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} |