/**
* @license Highstock JS v9.1.1 (2021-06-04)
*
* Indicator series type for Highcharts Stock
*
* (c) 2010-2021 Paweł Fus
*
* License: www.highcharts.com/license
*/
'use strict';
(function (factory) {
if (typeof module === 'object' && module.exports) {
factory['default'] = factory;
module.exports = factory;
} else if (typeof define === 'function' && define.amd) {
define('highcharts/indicators/price-envelopes', ['highcharts', 'highcharts/modules/stock'], function (Highcharts) {
factory(Highcharts);
factory.Highcharts = Highcharts;
return factory;
});
} else {
factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
}
}(function (Highcharts) {
var _modules = Highcharts ? Highcharts._modules : {};
function _registerModule(obj, path, args, fn) {
if (!obj.hasOwnProperty(path)) {
obj[path] = fn.apply(null, args);
}
}
_registerModule(_modules, 'Stock/Indicators/PriceEnvelopes/PriceEnvelopesIndicator.js', [_modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (SeriesRegistry, U) {
/* *
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d,
b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d,
b) { d.__proto__ = b; }) ||
function (d,
b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var SMAIndicator = SeriesRegistry.seriesTypes.sma;
var extend = U.extend,
isArray = U.isArray,
merge = U.merge;
/**
* The Price Envelopes series type.
*
* @private
* @class
* @name Highcharts.seriesTypes.priceenvelopes
*
* @augments Highcharts.Series
*/
var PriceEnvelopesIndicator = /** @class */ (function (_super) {
__extends(PriceEnvelopesIndicator, _super);
function PriceEnvelopesIndicator() {
var _this = _super !== null && _super.apply(this,
arguments) || this;
_this.data = void 0;
_this.options = void 0;
_this.points = void 0;
return _this;
}
PriceEnvelopesIndicator.prototype.init = function () {
SeriesRegistry.seriesTypes.sma.prototype.init.apply(this, arguments);
// Set default color for lines:
this.options = merge({
topLine: {
styles: {
lineColor: this.color
}
},
bottomLine: {
styles: {
lineColor: this.color
}
}
}, this.options);
};
PriceEnvelopesIndicator.prototype.toYData = function (point) {
return [point.top, point.middle, point.bottom];
};
PriceEnvelopesIndicator.prototype.translate = function () {
var indicator = this, translatedEnvelopes = ['plotTop', 'plotMiddle', 'plotBottom'];
SeriesRegistry.seriesTypes.sma.prototype.translate.apply(indicator);
indicator.points.forEach(function (point) {
[point.top, point.middle, point.bottom].forEach(function (value, i) {
if (value !== null) {
point[translatedEnvelopes[i]] =
indicator.yAxis.toPixels(value, true);
}
});
});
};
PriceEnvelopesIndicator.prototype.drawGraph = function () {
var indicator = this,
middleLinePoints = indicator.points,
pointsLength = middleLinePoints.length,
middleLineOptions = (indicator.options),
middleLinePath = indicator.graph,
gappedExtend = {
options: {
gapSize: middleLineOptions.gapSize
}
},
deviations = [[],
[]], // top and bottom point place holders
point;
// Generate points for top and bottom lines:
while (pointsLength--) {
point = middleLinePoints[pointsLength];
deviations[0].push({
plotX: point.plotX,
plotY: point.plotTop,
isNull: point.isNull
});
deviations[1].push({
plotX: point.plotX,
plotY: point.plotBottom,
isNull: point.isNull
});
}
// Modify options and generate lines:
['topLine', 'bottomLine'].forEach(function (lineName, i) {
indicator.points = deviations[i];
indicator.options = merge(middleLineOptions[lineName].styles, gappedExtend);
indicator.graph = indicator['graph' + lineName];
SeriesRegistry.seriesTypes.sma.prototype.drawGraph.call(indicator);
// Now save lines:
indicator['graph' + lineName] = indicator.graph;
});
// Restore options and draw a middle line:
indicator.points = middleLinePoints;
indicator.options = middleLineOptions;
indicator.graph = middleLinePath;
SeriesRegistry.seriesTypes.sma.prototype.drawGraph.call(indicator);
};
PriceEnvelopesIndicator.prototype.getValues = function (series, params) {
var period = params.period,
topPercent = params.topBand,
botPercent = params.bottomBand,
xVal = series.xData,
yVal = series.yData,
yValLen = yVal ? yVal.length : 0,
// 0- date, 1-top line, 2-middle line, 3-bottom line
PE = [],
// middle line, top line and bottom line
ML,
TL,
BL,
date,
xData = [],
yData = [],
slicedX,
slicedY,
point,
i;
// Price envelopes requires close value
if (xVal.length < period ||
!isArray(yVal[0]) ||
yVal[0].length !== 4) {
return;
}
for (i = period; i <= yValLen; i++) {
slicedX = xVal.slice(i - period, i);
slicedY = yVal.slice(i - period, i);
point = SeriesRegistry.seriesTypes.sma.prototype.getValues.call(this, {
xData: slicedX,
yData: slicedY
}, params);
date = point.xData[0];
ML = point.yData[0];
TL = ML * (1 + topPercent);
BL = ML * (1 - botPercent);
PE.push([date, TL, ML, BL]);
xData.push(date);
yData.push([TL, ML, BL]);
}
return {
values: PE,
xData: xData,
yData: yData
};
};
/**
* Price envelopes indicator based on [SMA](#plotOptions.sma) calculations.
* This series requires the `linkedTo` option to be set and should be loaded
* after the `stock/indicators/indicators.js` file.
*
* @sample stock/indicators/price-envelopes
* Price envelopes
*
* @extends plotOptions.sma
* @since 6.0.0
* @product highstock
* @requires stock/indicators/indicators
* @requires stock/indicators/price-envelopes
* @optionparent plotOptions.priceenvelopes
*/
PriceEnvelopesIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
marker: {
enabled: false
},
tooltip: {
pointFormat: '\u25CF {series.name}
Top: {point.top}
Middle: {point.middle}
Bottom: {point.bottom}
'
},
params: {
period: 20,
/**
* Percentage above the moving average that should be displayed.
* 0.1 means 110%. Relative to the calculated value.
*/
topBand: 0.1,
/**
* Percentage below the moving average that should be displayed.
* 0.1 means 90%. Relative to the calculated value.
*/
bottomBand: 0.1
},
/**
* Bottom line options.
*/
bottomLine: {
styles: {
/**
* Pixel width of the line.
*/
lineWidth: 1,
/**
* Color of the line. If not set, it's inherited from
* [plotOptions.priceenvelopes.color](
* #plotOptions.priceenvelopes.color).
*
* @type {Highcharts.ColorString}
*/
lineColor: void 0
}
},
/**
* Top line options.
*
* @extends plotOptions.priceenvelopes.bottomLine
*/
topLine: {
styles: {
lineWidth: 1
}
},
dataGrouping: {
approximation: 'averages'
}
});
return PriceEnvelopesIndicator;
}(SMAIndicator));
extend(PriceEnvelopesIndicator.prototype, {
nameComponents: ['period', 'topBand', 'bottomBand'],
nameBase: 'Price envelopes',
pointArrayMap: ['top', 'middle', 'bottom'],
parallelArrays: ['x', 'y', 'top', 'bottom'],
pointValKey: 'middle'
});
SeriesRegistry.registerSeriesType('priceenvelopes', PriceEnvelopesIndicator);
/* *
*
* Default Export
*
* */
/**
* A price envelopes indicator. If the [type](#series.priceenvelopes.type)
* option is not specified, it is inherited from [chart.type](#chart.type).
*
* @extends series,plotOptions.priceenvelopes
* @since 6.0.0
* @excluding dataParser, dataURL
* @product highstock
* @requires stock/indicators/indicators
* @requires stock/indicators/price-envelopes
* @apioption series.priceenvelopes
*/
''; // to include the above in the js output
return PriceEnvelopesIndicator;
});
_registerModule(_modules, 'masters/indicators/price-envelopes.src.js', [], function () {
});
}));