Indication Collection
Indication Collection
This commit is contained in:
Coding for Dummies
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#property link "https://www.earnforex.com/metatrader-indicators/macd-alert/"
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#property version "1.02"
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#property copyright "EarnForex.com - 2019-2023"
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#property description "The MACD indicator with alerts."
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#property description " "
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#property description "WARNING: Use this software at your own risk."
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#property description "The creator of these plugins cannot be held responsible for any damage or loss."
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#property description " "
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#property description "Find More on www.EarnForex.com"
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#property icon "\\Files\\EF-Icon-64x64px.ico"
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#property indicator_separate_window
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#property indicator_buffers 2
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#property indicator_plots 2
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#property indicator_color1 clrGray
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#property indicator_color2 clrRed
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#property indicator_level1 0
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#property indicator_levelcolor clrGray
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#property indicator_levelstyle STYLE_DOT
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#include <MQLTA ErrorHandling.mqh>
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#include <MQLTA Utils.mqh>
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enum ENUM_TRADE_SIGNAL
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{
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SIGNAL_BUY_SWITCH = 1, // BUY (SWITCH)
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SIGNAL_SELL_SWITCH = -1, // SELL (SWITCH)
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SIGNAL_BUY_CROSS = 2, // BUY (CROSS)
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SIGNAL_SELL_CROSS = -2, // SELL (CROSS)
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SIGNAL_NEUTRAL = 0 // NEUTRAL
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};
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enum ENUM_CANDLE_TO_CHECK
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{
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CURRENT_CANDLE = 0, // CURRENT CANDLE
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CLOSED_CANDLE = 1 // PREVIOUS CANDLE
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};
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enum ENUM_ALERT_SIGNAL
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{
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MACD_MAIN_SWITCH_SIDE = 0, // MACD MAIN SWITCH SIDE
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MACD_MAIN_SIGNAL_CROSS = 1, // MACD MAIN AND SIGNAL CROSS
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MACD_MAIN_ALL = 2 // ALL SIGNALS
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};
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enum ENUM_MACD_TYPE
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{
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MACD_TYPE_HISTOGRAM, // Histogram
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MACD_TYPE_LINE // Line
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};
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input string Comment1 = "========================"; // MQLTA MACD With Alert
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input string IndicatorName = "MQLTA-MACDWA"; // Indicator Short Name
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input string Comment2 = "========================"; // Indicator Parameters
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input int MACDFastEMA = 12; // MACD Fast EMA Period
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input int MACDSlowEMA = 26; // MACD Slow EMA Period
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input int MACDSMA = 9; // MACD SMA Period
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input ENUM_APPLIED_PRICE MACDAppliedPrice = PRICE_CLOSE; // MACD Applied Price
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input ENUM_ALERT_SIGNAL AlertSignal = MACD_MAIN_SIGNAL_CROSS; // Alert Signal When
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input ENUM_CANDLE_TO_CHECK CandleToCheck = CURRENT_CANDLE; // Candle To Use For Analysis
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input ENUM_MACD_TYPE MACDType = MACD_TYPE_HISTOGRAM; // MACD Type
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input int BarsToScan = 500; // Number Of Candles To Analyse
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input string Comment_3 = "===================="; // Notification Options
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input bool EnableNotify = false; // Enable Notifications Feature
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input bool SendAlert = true; // Send Alert Notification
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input bool SendApp = false; // Send Notification to Mobile
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input bool SendEmail = false; // Send Notification via Email
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input string Comment_4 = "===================="; // Drawing Options
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input bool EnableDrawArrows = true; // Draw Signal Arrows
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input int ArrowBuySwitch = 241; // Buy Arrow Code (Switch)
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input int ArrowSellSwitch = 242; // Sell Arrow Code (Switch)
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input int ArrowSizeSwitch = 3; // Arrow Size (1-5) (Switch)
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input color ArrowColorBuySwitch = clrGreen; // Arrow Color Sell (Switch)
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input color ArrowColorSellSwitch = clrRed; // Arrow Color Sell (Switch)
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input int ArrowBuyCross = 233; // Buy Arrow Code (Cross)
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input int ArrowSellCross = 234; // Sell Arrow Code (Cross)
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input int ArrowSizeCross = 3; // Arrow Size (1-5) (Cross)
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input color ArrowColorBuyCross = clrGreen; // Arrow Color Sell (Switch)
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input color ArrowColorSellCross = clrRed; // Arrow Color Sell (Switch)
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double BufferMain[];
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double BufferSignal[];
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int BufferMACDHandle;
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double Open[], Close[], High[], Low[];
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datetime Time[];
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datetime LastNotificationTime;
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ENUM_TRADE_SIGNAL LastNotificationDirection;
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int Shift = 0;
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int OnInit(void)
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{
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IndicatorSetString(INDICATOR_SHORTNAME, IndicatorName);
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OnInitInitialization();
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if (!OnInitPreChecksPass())
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{
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return INIT_FAILED;
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}
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InitialiseHandles();
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InitialiseBuffers();
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return INIT_SUCCEEDED;
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}
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int OnCalculate(const int rates_total,
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const int prev_calculated,
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const datetime &time[],
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const double &open[],
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const double &high[],
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const double &low[],
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const double &close[],
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const long &tick_volume[],
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const long &volume[],
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const int &spread[])
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{
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bool IsNewCandle = CheckIfNewCandle();
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int counted_bars = 0;
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if (prev_calculated > 0) counted_bars = prev_calculated - 1;
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if (counted_bars < 0) return -1;
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if (counted_bars > 0) counted_bars--;
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int limit = rates_total - counted_bars;
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if (limit > BarsToScan)
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{
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limit = BarsToScan;
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if (rates_total < BarsToScan + MACDSlowEMA) limit = rates_total - MACDSlowEMA;
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}
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if (limit > rates_total - MACDSlowEMA) limit = rates_total - MACDSlowEMA;
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if ((CopyBuffer(BufferMACDHandle, 0, 0, limit, BufferMain) <= 0) ||
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(CopyBuffer(BufferMACDHandle, 1, 0, limit, BufferSignal) <= 0))
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{
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Print("Failed to create the indicator! Error: ", GetLastErrorText(GetLastError()), " - ", GetLastError());
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return 0;
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}
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if (IsStopped()) return 0;
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for (int i = limit - 1; (i >= 0) && (!IsStopped()); i--)
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{
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Open[i] = iOpen(Symbol(), PERIOD_CURRENT, i);
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Low[i] = iLow(Symbol(), PERIOD_CURRENT, i);
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High[i] = iHigh(Symbol(), PERIOD_CURRENT, i);
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Close[i] = iClose(Symbol(), PERIOD_CURRENT, i);
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Time[i] = iTime(Symbol(), PERIOD_CURRENT, i);
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}
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if ((IsNewCandle) || (prev_calculated == 0))
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{
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if (EnableDrawArrows) DrawArrows(limit);
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CleanUpOldArrows();
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}
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if (EnableDrawArrows) DrawArrow(0);
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if (EnableNotify) NotifyHit();
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return rates_total;
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}
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void OnDeinit(const int reason)
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{
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CleanChart();
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}
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void OnInitInitialization()
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{
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LastNotificationTime = TimeCurrent();
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Shift = CandleToCheck;
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}
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bool OnInitPreChecksPass()
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{
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if ((MACDFastEMA <= 0) || (MACDFastEMA > MACDSlowEMA) || (MACDSMA <= 0))
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{
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Print("Wrong input parameters.");
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return false;
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}
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if ((Bars(Symbol(), PERIOD_CURRENT) < MACDSlowEMA) || (Bars(Symbol(), PERIOD_CURRENT) < MACDSMA))
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{
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Print("Not enough historical candles.");
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return false;
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}
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return true;
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}
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void CleanChart()
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{
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ObjectsDeleteAll(ChartID(), IndicatorName);
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}
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void InitialiseHandles()
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{
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BufferMACDHandle = iMACD(Symbol(), PERIOD_CURRENT, MACDFastEMA, MACDSlowEMA, MACDSMA, MACDAppliedPrice);
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ArrayResize(Open, BarsToScan);
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ArrayResize(High, BarsToScan);
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ArrayResize(Low, BarsToScan);
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ArrayResize(Close, BarsToScan);
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ArrayResize(Time, BarsToScan);
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}
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void InitialiseBuffers()
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{
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IndicatorSetInteger(INDICATOR_DIGITS, _Digits);
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ArraySetAsSeries(BufferMain, true);
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ArraySetAsSeries(BufferSignal, true);
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SetIndexBuffer(0, BufferMain, INDICATOR_DATA);
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SetIndexBuffer(1, BufferSignal, INDICATOR_DATA);
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if (MACDType == MACD_TYPE_HISTOGRAM) PlotIndexSetInteger(0, PLOT_DRAW_TYPE, DRAW_HISTOGRAM);
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else PlotIndexSetInteger(0, PLOT_DRAW_TYPE, DRAW_LINE);
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PlotIndexSetString(0, PLOT_LABEL, "MACD MAIN");
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PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, MACDSlowEMA);
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PlotIndexSetInteger(1, PLOT_DRAW_TYPE, DRAW_LINE);
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PlotIndexSetString(1, PLOT_LABEL, "MACD SIGNAL");
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PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, MACDSMA);
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}
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datetime NewCandleTime = TimeCurrent();
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bool CheckIfNewCandle()
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{
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if (NewCandleTime == iTime(Symbol(), 0, 0)) return false;
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else
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{
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NewCandleTime = iTime(Symbol(), 0, 0);
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return true;
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}
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}
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// Check whether there is a trade signal and return it.
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ENUM_TRADE_SIGNAL IsSignal(int i)
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{
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int j = i + Shift;
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if ((AlertSignal == MACD_MAIN_SWITCH_SIDE) || (AlertSignal == MACD_MAIN_ALL))
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{
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if ((BufferMain[j + 1] < 0) && (BufferMain[j] > 0)) return SIGNAL_BUY_SWITCH;
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if ((BufferMain[j + 1] > 0) && (BufferMain[j] < 0)) return SIGNAL_SELL_SWITCH;
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}
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if ((AlertSignal == MACD_MAIN_SIGNAL_CROSS) || (AlertSignal == MACD_MAIN_ALL))
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{
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if ((BufferMain[j + 1] < BufferSignal[j + 1]) && (BufferMain[j] > BufferSignal[j])) return SIGNAL_BUY_CROSS;
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if ((BufferMain[j + 1] > BufferSignal[j + 1]) && (BufferMain[j] < BufferSignal[j])) return SIGNAL_SELL_CROSS;
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}
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return SIGNAL_NEUTRAL;
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}
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void NotifyHit()
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{
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if (!EnableNotify) return;
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if ((!SendAlert) && (!SendApp) && (!SendEmail)) return;
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if ((CandleToCheck == CLOSED_CANDLE) && (Time[0] <= LastNotificationTime)) return;
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ENUM_TRADE_SIGNAL Signal = IsSignal(0);
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if (Signal == SIGNAL_NEUTRAL)
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{
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LastNotificationDirection = Signal;
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return;
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}
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if (Signal == LastNotificationDirection) return;
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string EmailSubject = IndicatorName + " " + Symbol() + " Notification";
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string EmailBody = AccountCompany() + " - " + AccountName() + " - " + IntegerToString(AccountNumber()) + "\r\n" + IndicatorName + " Notification for " + Symbol() + " @ " + EnumToString((ENUM_TIMEFRAMES)Period()) + "\r\n";
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string AlertText = "";
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string AppText = AccountCompany() + " - " + AccountName() + " - " + IntegerToString(AccountNumber()) + " - " + IndicatorName + " - " + Symbol() + " @ " + EnumToString((ENUM_TIMEFRAMES)Period()) + " - ";
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string Text = "";
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Text += EnumToString(Signal);
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EmailBody += Text;
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AlertText += Text;
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AppText += Text;
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if (SendAlert) Alert(AlertText);
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if (SendEmail)
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{
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if (!SendMail(EmailSubject, EmailBody)) Print("Error sending email " + IntegerToString(GetLastError()));
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}
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if (SendApp)
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{
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if (!SendNotification(AppText)) Print("Error sending notification " + IntegerToString(GetLastError()));
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}
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LastNotificationTime = Time[0];
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LastNotificationDirection = Signal;
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}
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void DrawArrows(int limit)
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{
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for (int i = limit - 1; i >= 1; i--)
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{
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DrawArrow(i);
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}
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}
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void RemoveArrows()
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{
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ObjectsDeleteAll(ChartID(), IndicatorName + "-ARWS-");
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}
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void DrawArrow(int i)
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{
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RemoveArrowCurr();
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ENUM_TRADE_SIGNAL Signal = IsSignal(i);
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if (Signal == SIGNAL_NEUTRAL) return;
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datetime ArrowDate = iTime(Symbol(), 0, i);
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string ArrowName = IndicatorName + "-ARWS-" + IntegerToString(ArrowDate);
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double ArrowPrice = 0;
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int ArrowType = 0;
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color ArrowColor = 0;
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int ArrowAnchor = 0;
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string ArrowDesc = "";
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int ArrowSize = 0;
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if (Signal == SIGNAL_BUY_SWITCH)
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{
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ArrowPrice = Low[i];
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ArrowType = ArrowBuySwitch;
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ArrowColor = ArrowColorBuySwitch;
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ArrowSize = ArrowSizeSwitch;
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ArrowAnchor = ANCHOR_TOP;
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ArrowDesc = "BUY (SWITCH)";
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}
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else if (Signal == SIGNAL_SELL_SWITCH)
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{
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ArrowPrice = High[i];
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ArrowType = ArrowSellSwitch;
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ArrowColor = ArrowColorSellSwitch;
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ArrowSize = ArrowSizeSwitch;
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ArrowAnchor = ANCHOR_BOTTOM;
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ArrowDesc = "SELL (SWITCH)";
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}
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else if (Signal == SIGNAL_BUY_CROSS)
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{
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ArrowPrice = Low[i];
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ArrowType = ArrowBuyCross;
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ArrowColor = ArrowColorBuyCross;
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ArrowSize = ArrowSizeCross;
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ArrowAnchor = ANCHOR_TOP;
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ArrowDesc = "BUY (CROSS)";
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}
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else if (Signal == SIGNAL_SELL_CROSS)
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{
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ArrowPrice = High[i];
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ArrowType = ArrowSellCross;
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ArrowColor = ArrowColorSellCross;
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ArrowSize = ArrowSizeCross;
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ArrowAnchor = ANCHOR_BOTTOM;
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ArrowDesc = "SELL (CROSS)";
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}
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ObjectCreate(0, ArrowName, OBJ_ARROW, 0, ArrowDate, ArrowPrice);
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ObjectSetInteger(0, ArrowName, OBJPROP_COLOR, ArrowColor);
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ObjectSetInteger(0, ArrowName, OBJPROP_SELECTABLE, false);
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ObjectSetInteger(0, ArrowName, OBJPROP_HIDDEN, true);
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ObjectSetInteger(0, ArrowName, OBJPROP_ANCHOR, ArrowAnchor);
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ObjectSetInteger(0, ArrowName, OBJPROP_ARROWCODE, ArrowType);
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ObjectSetInteger(0, ArrowName, OBJPROP_WIDTH, ArrowSize);
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ObjectSetInteger(0, ArrowName, OBJPROP_STYLE, STYLE_SOLID);
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ObjectSetInteger(0, ArrowName, OBJPROP_BGCOLOR, ArrowColor);
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ObjectSetString(0, ArrowName, OBJPROP_TEXT, ArrowDesc);
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}
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void RemoveArrowCurr()
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{
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datetime ArrowDate = iTime(Symbol(), 0, 0);
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string ArrowName = IndicatorName + "-ARWS-" + IntegerToString(ArrowDate);
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ObjectDelete(0, ArrowName);
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}
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// Delete all arrows that are older than BarsToScan bars.
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void CleanUpOldArrows()
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{
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int total = ObjectsTotal(ChartID(), 0, OBJ_ARROW);
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for (int i = total - 1; i >= 0; i--)
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{
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string ArrowName = ObjectName(ChartID(), i, 0, OBJ_ARROW);
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datetime time = (datetime)ObjectGetInteger(ChartID(), ArrowName, OBJPROP_TIME);
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int bar = iBarShift(Symbol(), Period(), time);
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if (bar >= BarsToScan) ObjectDelete(ChartID(), ArrowName);
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}
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}
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//+------------------------------------------------------------------+
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Reference in New Issue
Block a user