/////////////////////////////////////////////////////////////////// // // SaherElm IT Center MQL5 Cycle Trend Finder Oscillator // ---------------------------------------------------------------- // Name: XTF // Description: trend detecting based on Periods ... // // // 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 XTF Oscillator" #property strict // // START Constants ... // #define ShortName "XTF" // // END Constants ... // // // START Inputs ... // input ENUM_TIMEFRAMES period = PERIOD_H4; // Time Frame to work input ENUM_MA_METHOD method = MODE_EMA; // Mode input ENUM_APPLIED_PRICE appliedTo = PRICE_CLOSE; // Applied To input int fastLength = 9; // Fast Length input int slowLength = 18; // Slow Length // // END Inputs ... // // // Includes Logging Library ... #include "../Libraries/x-saherelm.log.lib.mq5"; // // Includes Common Library ... #include "../Libraries/x-saherelm.common.lib.mq5"; // // START Buffers ... // #property indicator_separate_window // #property indicator_buffers 2 #property indicator_plots 2 // // MA ... #define fastBufferIndex 0 #define slowBufferIndex 1 // double fastBuffer[]; double slowBuffer[]; // #property indicator_label1 "XF" #property indicator_type1 DRAW_LINE #property indicator_color1 clrLime #property indicator_style1 STYLE_SOLID #property indicator_width1 1 // #property indicator_label2 "XS" #property indicator_type2 DRAW_LINE #property indicator_color2 clrRed #property indicator_style2 STYLE_SOLID #property indicator_width2 1 // // END Buffers ... // // // START Global Definitions: Variables, Properties and etc ... // // // MA ... int fastHandler = INVALID_HANDLE; int slowHandler = INVALID_HANDLE; // // END Global Definitions: Variables, Properties and etc ... // // // START Event Handlers ... // // // Initialization ... int OnInit() { // // Validate Inputs ... if (!ValidateInputs()) { return INIT_PARAMETERS_INCORRECT; } // logTag = ShortName; // // Define Index Buffers ... DefineBuffers(); // // Set Indicator ShortName ... SetIndicatorName(); // // Init All Required Handlers ... if (!InitHandlers()) { return INIT_FAILED; } // // Init Succeed ... return INIT_SUCCEEDED; } // // DeInitialization ... void OnDeinit(const int reason) { // // REASON_PROGRAM 0 The EA has stopped working calling the ExpertRemove() function // REASON_REMOVE 1 Program removed from a chart // REASON_RECOMPILE 2 Program recompiled // REASON_CHARTCHANGE 3 A symbol or a chart period is changed // REASON_CHARTCLOSE 4 Chart closed // REASON_PARAMETERS 5 Inputs changed by a user // REASON_ACCOUNT 6 Another account has been activated or reconnection to the trade server has occurred due to changes in the account settings // REASON_TEMPLATE 7 Another chart template applied // REASON_INITFAILED 8 The OnInit() handler returned a non-zero value // REASON_CLOSE 9 Terminal closed // // Here we can handle De Initialization Reasons ... // // ReDraw Chart ... ChartRedraw(); // Comment(""); } // // Calculations ... // // Calculating what we want ... int OnCalculate( // // total Candles on chart ... const int rates_total, // // total calculated Candles on charts ... const int prev_calculated, // // history of Candles Open Time ... const datetime &time[], // // history of Candles Open Price ... const double &open[], // // history of Candles High Price ... const double &high[], // // history of Candles Low Price ... const double &low[], // // history of Candles Close Price ... const double &close[], // // history of Tick Volumes on Candle ... const long &tick_volume[], // // history of Trade Volumes ... const long &volume[], // // history of Candles Spread Price ... const int &spread[]) { // // Prepare Buffers ... ArraySetAsSeries(time, true); ArraySetAsSeries(open, true); ArraySetAsSeries(high, true); ArraySetAsSeries(low, true); ArraySetAsSeries(close, true); ArraySetAsSeries(tick_volume, true); ArraySetAsSeries(volume, true); ArraySetAsSeries(spread, true); // // 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(fastLength, slowLength); // // Get Retrieved Values from indicators ... // // Ma ... int fastCalculatedBars = BarsCalculated(fastHandler); int slowCalculatedBars = BarsCalculated(slowHandler); // // Check Calculated Bars ... if ( // // MA ... fastCalculatedBars < maxLength || slowCalculatedBars < maxLength // ) { return prev_calculated; } // limit = prev_calculated < maxLength ? rates_total - (maxLength + 1) : rates_total - prev_calculated; // // Copy Buffers from indicators ... // // MA ... int fastCopiedItems = CopyBuffer(fastHandler, 0, 0, limit + 1, fastBuffer); int slowCopiedItems = CopyBuffer(slowHandler, 0, 0, limit + 1, slowBuffer); // // Check Copied Items Number ... if ( // // MA ... fastCopiedItems <= 0 || slowCopiedItems <= 0 // ) { return prev_calculated; } // // Main Loop ... for (int i = limit; i >= 0 && !IsStopped(); i--) { // CalculateBuffers(i); } // return rates_total; } // // END Event Handlers ... // // // START Functions ... // // // Validate Input Args for Initialization ... bool ValidateInputs() { // bool result = false; // // Validate Args ... bool isInputsValid = fastLength >= 4 && slowLength > fastLength; if (isInputsValid) { result = true; } // return result; } // // Define Indexes and Styles ... void DefineBuffers() { // // Fast Buffer ... string fastBufferLabel = ShortName + " XF (" + (string)fastLength + ")"; ArraySetAsSeries(fastBuffer, true); SetIndexBuffer(fastBufferIndex, fastBuffer, INDICATOR_DATA); PlotIndexSetString(fastBufferIndex, PLOT_LABEL, fastBufferLabel); PlotIndexSetInteger(fastBufferIndex, PLOT_DRAW_BEGIN, fastLength); // // Slow Buffer ... string slowBufferLabel = ShortName + " XS (" + (string)slowLength + ")"; ArraySetAsSeries(slowBuffer, true); SetIndexBuffer(slowBufferIndex, slowBuffer, INDICATOR_DATA); PlotIndexSetString(slowBufferIndex, PLOT_LABEL, slowBufferLabel); PlotIndexSetInteger(slowBufferIndex, PLOT_DRAW_BEGIN, slowLength); } // // Init Handlers ... bool InitHandlers() { // bool result = false; // ResetLastError(); // // Fast Handler ... fastHandler = iMA( _Symbol, period, fastLength, 0, method, appliedTo); if (fastHandler == INVALID_HANDLE) { // LogMessage("Fast Indicator initialization failed: " + (string)GetLastError()); // result = false; return result; } // // Slow Handler ... slowHandler = iMA( _Symbol, period, slowLength, 0, method, appliedTo); if (slowHandler == INVALID_HANDLE) { // LogMessage("Slow Indicator initialization failed: " + (string)GetLastError()); // result = false; return result; } // result = true; // return result; } // // Set Indicator Short Name and also we can define Buffers Labels ... void SetIndicatorName() { // string indicatorShortName = ""; StringConcatenate(indicatorShortName, ShortName, " ", EnumToString(period)); // IndicatorSetString(INDICATOR_SHORTNAME, indicatorShortName); } // // Calculate Buffers ... void CalculateBuffers( int bar_index // Current Candle Index ... ) { } // // END Functions ... //