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Added Indi_AppliedPrice indicator and fixed some of the "delete inval…
…id pointer" errors.
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,160 @@ | ||
| //+------------------------------------------------------------------+ | ||
| //| EA31337 framework | | ||
| //| Copyright 2016-2021, EA31337 Ltd | | ||
| //| https://github.com/EA31337 | | ||
| //+------------------------------------------------------------------+ | ||
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| /* | ||
| * This file is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| */ | ||
|
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| // Includes. | ||
| #include "../BufferStruct.mqh" | ||
| #include "../Indicator.mqh" | ||
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| // Structs. | ||
| struct AppliedPriceParams : IndicatorParams { | ||
| unsigned int smooth_period; | ||
| unsigned int chv_period; | ||
| ENUM_MA_METHOD smooth_method; | ||
| // Struct constructor. | ||
| void CHVParams(int _mode) { | ||
| chv_period = _chv_period; | ||
| itype = INDI_APPLIED_PRICE; | ||
| max_modes = 1; | ||
| SetDataValueType(TYPE_DOUBLE); | ||
| SetDataValueRange(IDATA_RANGE_PRICE); | ||
| SetDataSourceType(IDATA_ICUSTOM); | ||
| }; | ||
| void CHVParams(CHVParams &_params) { this = _params; }; | ||
| }; | ||
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| /** | ||
| * Implements the "Applied Price over OHCL Indicator" indicator, e.g. over Indi_Price. | ||
| */ | ||
| class Indi_AppliedPrice : public Indicator { | ||
| protected: | ||
| AppliedPrice params; | ||
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| public: | ||
| /** | ||
| * Class constructor. | ||
| */ | ||
| Indi_AppliedPrice(AppliedPriceParams &_params) : params(_params){}; | ||
| Indi_AppliedPrice() : Indicator(INDI_APPLIED_PRICE){}; | ||
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| static double iCCIOnIndicator(Indicator *_indi, int _applied_price, int _shift = 0) { | ||
| double _ohlc[4]; | ||
| _indi.GetArray(_ohlc, 4); | ||
| return BarOHLC::GetAppliedPrice(_applied_price, _ohlc[0], _ohlc[1], _ohlc[2], _ohlc[3]); | ||
| } | ||
|
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| /** | ||
| * Returns the indicator's value. | ||
| */ | ||
| double GetValue(int _shift = 0) { | ||
| ResetLastError(); | ||
| double _value = EMPTY_VALUE; | ||
| switch (params.idstype) { | ||
| case IDATA_ICUSTOM: | ||
| if (GetDataSourceMode() == -1) { | ||
| Print( | ||
| "Please use SetDataSourceMode() to select source indicator's buffer. Note that SetAppliedPrice() can be " | ||
| "used only with built-in or compiled indicators, but not with indicator-on-indicator mode."); | ||
| DebugBreak(); | ||
| } | ||
| _value = Indi_AppliedPrice::iAppliedPriceOnIndicator(GetDataSource(), GetDataSourceMode(), _shift); | ||
| break; | ||
| default: | ||
| SetUserError(ERR_INVALID_PARAMETER); | ||
| } | ||
| istate.is_ready = _LastError == ERR_NO_ERROR; | ||
| istate.is_changed = false; | ||
| return _value; | ||
| } | ||
|
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| /** | ||
| * Returns the indicator's struct value. | ||
| */ | ||
| IndicatorDataEntry GetEntry(int _shift = 0) { | ||
| long _bar_time = GetBarTime(_shift); | ||
| unsigned int _position; | ||
| IndicatorDataEntry _entry(params.max_modes); | ||
| if (idata.KeyExists(_bar_time, _position)) { | ||
| _entry = idata.GetByPos(_position); | ||
| } else { | ||
| _entry.timestamp = GetBarTime(_shift); | ||
| _entry.values[0] = GetValue(_shift); | ||
| _entry.SetFlag(INDI_ENTRY_FLAG_IS_VALID, !_entry.HasValue<double>(NULL) && !_entry.HasValue<double>(EMPTY_VALUE)); | ||
| if (_entry.IsValid()) { | ||
| _entry.AddFlags(_entry.GetDataTypeFlag(params.GetDataValueType())); | ||
| idata.Add(_entry, _bar_time); | ||
| } | ||
| } | ||
| return _entry; | ||
| } | ||
|
|
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| /** | ||
| * Returns the indicator's entry value. | ||
| */ | ||
| MqlParam GetEntryValue(int _shift = 0, int _mode = 0) { | ||
| MqlParam _param = {TYPE_DOUBLE}; | ||
| _param.double_value = GetEntry(_shift)[_mode]; | ||
| return _param; | ||
| } | ||
|
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| /* Getters */ | ||
|
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| /** | ||
| * Get smooth period. | ||
| */ | ||
| unsigned int GetSmoothPeriod() { return params.smooth_period; } | ||
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| /** | ||
| * Get Chaikin period. | ||
| */ | ||
| unsigned int GetCHVPeriod() { return params.chv_period; } | ||
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| /** | ||
| * Get smooth method. | ||
| */ | ||
| ENUM_MA_METHOD GetSmoothMethod() { return params.smooth_method; } | ||
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| /* Setters */ | ||
|
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| /** | ||
| * Get smooth period. | ||
| */ | ||
| void SetSmoothPeriod(unsigned int _smooth_period) { | ||
| istate.is_changed = true; | ||
| params.smooth_period = _smooth_period; | ||
| } | ||
|
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| /** | ||
| * Get Chaikin period. | ||
| */ | ||
| void SetCHVPeriod(unsigned int _chv_period) { | ||
| istate.is_changed = true; | ||
| params.chv_period = _chv_period; | ||
| } | ||
|
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| /** | ||
| * Set smooth method. | ||
| */ | ||
| void SetSmoothMethod(ENUM_MA_METHOD _smooth_method) { | ||
| istate.is_changed = true; | ||
| params.smooth_method = _smooth_method; | ||
| } | ||
| }; |
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