581 lines
12 KiB
Plaintext
581 lines
12 KiB
Plaintext
//////////////////////////////////////////////////////
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//
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// SaherElm IT Center MQL5 Indicator
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// ---------------------------------------------
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// Name: X121_XSTR
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// Description: Super Trend Indicator ...
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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 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 X121_XAMA Indicator"
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#property strict
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//
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// START Constants ...
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//
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#define ShortName "X121_XSTR"
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//
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// END Constants ...
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//
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//
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// START Inputs ...
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//
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//
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// Market ...
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input group "ATR";
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input int atrLength = 14; // Length
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input double atrMultiplier = 3.0; // Multiplier
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input ENUM_APPLIED_PRICE atrAppliedTo = PRICE_MEDIAN; // Applied To
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//
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// Presentation ...
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input group "Presentation";
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input bool showTrends = true; // Show Trends
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input bool fillTrends = true; // Fill Trends
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//
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// END Inputs ...
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//
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//
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// Includes Common Library ...
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#include "../Libraries/x-saherelm.common.lib.mq5"
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//
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// START Buffers ...
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//
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//
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#property indicator_chart_window
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//
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#property indicator_buffers 9
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#property indicator_plots 2
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//
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#define fillUpBufferIndex 0
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double fillUpBuffer[];
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#define fillDownBufferIndex 1
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double fillDownBuffer[];
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//
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#define fillingPlotBufferIndex 0
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//
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#property indicator_label1 "X121_XSTR Filling"
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#property indicator_type1 DRAW_FILLING
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#property indicator_color1 clrBisque, clrPaleGreen
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//
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#define mainBufferIndex 2
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#define mainPlotBufferIndex 1
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double mainBuffer[];
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//
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#define mainColorBufferIndex 3
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double mainColorBuffer[];
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//
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#property indicator_label2 "X121_XSTR"
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#property indicator_type2 DRAW_COLOR_LINE
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#property indicator_color2 CLR_NONE, clrGreen, clrDarkRed
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#property indicator_style2 STYLE_DOT
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//
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// DATA Buffers ...
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//
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#define atrBufferIndex 4
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double atrBuffer[];
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//
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#define trendBufferIndex 5
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double trendBuffer[];
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//
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#define upBufferIndex 6
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double upBuffer[];
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//
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#define downBufferIndex 7
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double downBuffer[];
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//
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#define priceBufferIndex 8
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double priceBuffer[];
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//
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// END Buffers ...
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//
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//
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// START Global Definitions: Variables, Properties and etc ...
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//
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//
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int maxLength;
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//
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int atrHandler = INVALID_HANDLE;
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//
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int changeOfTrend;
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int startBearishTrend;
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int startBullishTrend;
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//
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// END Global Definitions: Variables, Properties and etc ...
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//
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//
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// START Event Handlers ...
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//
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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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atrHandler = iATR(
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_Symbol,
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_Period,
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atrLength);
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if (atrHandler == 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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// 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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// 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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// Here we can handle De Initialization Reasons ...
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IndicatorRelease(atrHandler);
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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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//
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// total Candles on chart ...
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const int rates_total,
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//
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// total calculated Candles on charts ...
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const int prev_calculated,
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//
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// history of Candles Open Time ...
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const datetime &time[],
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//
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// history of Candles Open Price ...
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const double &open[],
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//
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// history of Candles High Price ...
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const double &high[],
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//
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// history of Candles Low Price ...
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const double &low[],
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//
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// history of Candles Close Price ...
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const double &close[],
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//
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// history of Tick Volumes on Candle ...
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const long &tick_volume[],
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//
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// history of Trade Volumes ...
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const long &volume[],
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//
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// history of Candles Spread Price ...
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const int &spread[])
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{
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//
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int numOfRequiredAtrs;
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if (prev_calculated > rates_total || prev_calculated < 0)
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{
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numOfRequiredAtrs = rates_total;
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}
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else
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{
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//
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numOfRequiredAtrs = rates_total - prev_calculated;
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if (prev_calculated > 0)
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{
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numOfRequiredAtrs++;
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}
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}
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//
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// Checking for stop ...
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if (IsStopped())
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{
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return 0;
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}
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//
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// Check Number of items Copy or not ...
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int copiedATRs = CopyBuffer(atrHandler, 0, 0, numOfRequiredAtrs, atrBuffer);
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if (copiedATRs <= 0)
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{
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return 0;
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}
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//
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int limit;
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//
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// checking for the limit start of calculation of an indicator ...
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if (prev_calculated > rates_total || prev_calculated <= 0)
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{
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//
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// starting index for calculation of all bars ...
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limit = maxLength;
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}
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else
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{
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//
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// starting number for calculation of new bars
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limit = prev_calculated - 1;
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}
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//
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// Main Loop ...
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for (int i = limit; i < rates_total && !IsStopped(); i++)
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{
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//
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// Calculated Price ...
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double price = getPrice(
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atrAppliedTo,
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open,
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high,
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low,
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close,
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i);
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// price = (high[i] + low[i]) / 2;
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priceBuffer[i] = price;
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//
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double atr = atrBuffer[i];
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//
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// Up ...
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upBuffer[i] = price + (atrMultiplier * atr);
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//
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// Down ...
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downBuffer[i] = price - (atrMultiplier * atr);
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//
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if (close[i] > upBuffer[i - 1])
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{
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//
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trendBuffer[i] = 1;
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if (trendBuffer[i - 1] == -1)
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{
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changeOfTrend = 1;
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}
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}
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else if (close[i] < downBuffer[i - 1])
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{
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//
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trendBuffer[i] = -1;
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if (trendBuffer[i - 1] == 1)
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{
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changeOfTrend = 1;
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}
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}
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else if (trendBuffer[i - 1] == 1)
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{
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//
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trendBuffer[i] = 1;
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changeOfTrend = 0;
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}
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else if (trendBuffer[i - 1] == -1)
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{
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//
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trendBuffer[i] = -1;
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changeOfTrend = 0;
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}
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//
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// Down Trend Starting ...
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if (trendBuffer[i] < 0 && trendBuffer[i - 1] > 0)
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{
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startBearishTrend = 1;
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}
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else
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{
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startBearishTrend = 0;
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}
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//
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// Up Trend Starting ...
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if (trendBuffer[i] > 0 && trendBuffer[i - 1] < 0)
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{
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startBullishTrend = 1;
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}
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else
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{
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startBullishTrend = 0;
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}
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//
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if (trendBuffer[i] > 0 && downBuffer[i] < downBuffer[i - 1])
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{
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downBuffer[i] = downBuffer[i - 1];
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}
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//
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if (trendBuffer[i] < 0 && upBuffer[i] > upBuffer[i - 1])
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{
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upBuffer[i] = upBuffer[i - 1];
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}
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//
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if (startBearishTrend == 1)
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{
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upBuffer[i] = priceBuffer[i] + (atrMultiplier * atr);
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}
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//
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if (startBullishTrend == 1)
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{
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downBuffer[i] = priceBuffer[i] - (atrMultiplier * atr);
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}
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//
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// Draw the indicator ...
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//
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double colorIDX = 0;
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mainColorBuffer[i] = colorIDX;
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//
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if (trendBuffer[i] == 1)
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{
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//
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mainBuffer[i] = downBuffer[i];
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if (changeOfTrend == 1)
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{
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mainBuffer[i - 1] = mainBuffer[i - 2];
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changeOfTrend = 0;
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}
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//
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colorIDX = 1;
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}
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else if (trendBuffer[i] == -1)
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{
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//
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mainBuffer[i] = upBuffer[i];
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if (changeOfTrend == 1)
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{
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//
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mainBuffer[i - 1] = mainBuffer[i - 2];
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changeOfTrend = 0;
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}
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//
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colorIDX = 2;
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}
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//
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if (showTrends)
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{
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mainColorBuffer[i] = colorIDX;
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}
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//
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// Filling ...
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if (fillTrends)
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{
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//
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fillUpBuffer[i] = mainBuffer[i];
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fillDownBuffer[i] = close[i];
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}
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else
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{
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//
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fillUpBuffer[i] = EMPTY_VALUE;
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fillDownBuffer[i] = EMPTY_VALUE;
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}
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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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// END Event Handlers ...
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//
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//
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// START Functions ...
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//
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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 = false;
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//
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// Validate Args ...
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result =
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//
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atrLength >= 2
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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 = atrLength;
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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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// PLOT Buffers ...
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//
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// FILLINGS ...
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SetIndexBuffer(fillUpBufferIndex, fillUpBuffer, INDICATOR_DATA);
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SetIndexBuffer(fillDownBufferIndex, fillDownBuffer, INDICATOR_DATA);
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PlotIndexSetInteger(fillingPlotBufferIndex, PLOT_SHOW_DATA, false);
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//
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// MAIN ...
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SetIndexBuffer(mainBufferIndex, mainBuffer, INDICATOR_DATA);
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PlotIndexSetInteger(mainPlotBufferIndex, PLOT_SHOW_DATA, showTrends);
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SetIndexBuffer(mainColorBufferIndex, mainColorBuffer, INDICATOR_COLOR_INDEX);
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//
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// DATA Buffers ...
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//
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// ATR ...
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SetIndexBuffer(atrBufferIndex, atrBuffer, INDICATOR_CALCULATIONS);
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//
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// TREND ...
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SetIndexBuffer(trendBufferIndex, trendBuffer, INDICATOR_CALCULATIONS);
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//
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// UP ...
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SetIndexBuffer(upBufferIndex, upBuffer, INDICATOR_CALCULATIONS);
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//
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// DOWN ...
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SetIndexBuffer(downBufferIndex, downBuffer, INDICATOR_CALCULATIONS);
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//
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// PRICE ...
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SetIndexBuffer(priceBufferIndex, priceBuffer, INDICATOR_CALCULATIONS);
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}
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//
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// END Functions ...
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//
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//
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// TEMPLATE Function ...
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template <typename T>
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double getPrice(ENUM_APPLIED_PRICE tprice, T &open[], T &high[], T &low[], T &close[], int i)
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{
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switch (tprice)
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{
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case PRICE_CLOSE:
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return (close[i]);
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case PRICE_OPEN:
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return (open[i]);
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case PRICE_HIGH:
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return (high[i]);
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case PRICE_LOW:
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return (low[i]);
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case PRICE_MEDIAN:
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return ((high[i] + low[i]) / 2.0);
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case PRICE_TYPICAL:
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return ((high[i] + low[i] + close[i]) / 3.0);
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case PRICE_WEIGHTED:
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return ((high[i] + low[i] + close[i] + close[i]) / 4.0);
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}
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return (0);
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}
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