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/* *
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*
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* License: www.highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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* */
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'use strict';
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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if (typeof b !== "function" && b !== null)
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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import MultipleLinesComposition from '../MultipleLinesComposition.js';
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import SeriesRegistry from '../../../Core/Series/SeriesRegistry.js';
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var SMAIndicator = SeriesRegistry.seriesTypes.sma;
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import U from '../../../Core/Utilities.js';
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var correctFloat = U.correctFloat, extend = U.extend, merge = U.merge;
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/* *
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*
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* Functions
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*
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* */
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/**
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* @private
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*/
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function getBaseForBand(low, high, factor) {
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return (((correctFloat(high - low)) /
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((correctFloat(high + low)) / 2)) * 1000) * factor;
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}
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/**
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* @private
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*/
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function getPointUB(high, base) {
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return high * (correctFloat(1 + 2 * base));
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}
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/**
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* @private
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*/
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function getPointLB(low, base) {
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return low * (correctFloat(1 - 2 * base));
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}
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/* *
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*
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* Class
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*
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* */
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/**
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* The ABands series type
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*
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* @private
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* @class
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* @name Highcharts.seriesTypes.abands
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*
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* @augments Highcharts.Series
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*/
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var ABandsIndicator = /** @class */ (function (_super) {
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__extends(ABandsIndicator, _super);
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function ABandsIndicator() {
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/* *
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*
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* Static Properties
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*
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* */
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var _this = _super !== null && _super.apply(this, arguments) || this;
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/* *
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*
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* Properties
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*
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* */
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_this.data = void 0;
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_this.options = void 0;
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_this.points = void 0;
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return _this;
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}
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/* *
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*
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* Functions
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*
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* */
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ABandsIndicator.prototype.getValues = function (series, params) {
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var period = params.period, factor = params.factor, index = params.index, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0,
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// Upperbands
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UB = [],
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// Lowerbands
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LB = [],
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// ABANDS array structure:
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// 0-date, 1-top line, 2-middle line, 3-bottom line
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ABANDS = [],
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// middle line, top line and bottom line
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ML, TL, BL, date, bandBase, pointSMA, ubSMA, lbSMA, low = 2, high = 1, xData = [], yData = [], slicedX, slicedY, i;
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if (yValLen < period) {
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return;
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}
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for (i = 0; i <= yValLen; i++) {
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// Get UB and LB values of every point. This condition
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// is necessary, because there is a need to calculate current
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// UB nad LB values simultaneously with given period SMA
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// in one for loop.
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if (i < yValLen) {
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bandBase = getBaseForBand(yVal[i][low], yVal[i][high], factor);
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UB.push(getPointUB(yVal[i][high], bandBase));
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LB.push(getPointLB(yVal[i][low], bandBase));
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}
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if (i >= period) {
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slicedX = xVal.slice(i - period, i);
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slicedY = yVal.slice(i - period, i);
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ubSMA = _super.prototype.getValues.call(this, {
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xData: slicedX,
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yData: UB.slice(i - period, i)
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}, {
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period: period
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});
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lbSMA = _super.prototype.getValues.call(this, {
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xData: slicedX,
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yData: LB.slice(i - period, i)
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}, {
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period: period
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});
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pointSMA = _super.prototype.getValues.call(this, {
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xData: slicedX,
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yData: slicedY
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}, {
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period: period,
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index: index
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});
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date = pointSMA.xData[0];
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TL = ubSMA.yData[0];
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BL = lbSMA.yData[0];
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ML = pointSMA.yData[0];
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ABANDS.push([date, TL, ML, BL]);
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xData.push(date);
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yData.push([TL, ML, BL]);
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}
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}
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return {
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values: ABANDS,
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xData: xData,
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yData: yData
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};
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};
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/**
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* Acceleration bands (ABANDS). This series requires the `linkedTo` option
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* to be set and should be loaded after the
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* `stock/indicators/indicators.js`.
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*
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* @sample {highstock} stock/indicators/acceleration-bands
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* Acceleration Bands
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*
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* @extends plotOptions.sma
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* @mixes Highcharts.MultipleLinesMixin
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* @since 7.0.0
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* @product highstock
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* @excluding allAreas, colorAxis, compare, compareBase, joinBy, keys,
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* navigatorOptions, pointInterval, pointIntervalUnit,
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* pointPlacement, pointRange, pointStart, showInNavigator,
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* stacking,
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* @requires stock/indicators/indicators
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* @requires stock/indicators/acceleration-bands
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* @optionparent plotOptions.abands
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*/
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ABandsIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
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/**
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* Option for fill color between lines in Accelleration bands Indicator.
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*
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* @sample {highstock} stock/indicators/indicator-area-fill
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* Background fill between lines.
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*
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* @type {Highcharts.Color}
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* @since 9.3.2
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* @apioption plotOptions.abands.fillColor
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*
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*/
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params: {
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period: 20,
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/**
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* The algorithms factor value used to calculate bands.
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*
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* @product highstock
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*/
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factor: 0.001,
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index: 3
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},
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lineWidth: 1,
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topLine: {
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styles: {
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/**
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* Pixel width of the line.
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*/
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lineWidth: 1
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}
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},
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bottomLine: {
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styles: {
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/**
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* Pixel width of the line.
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*/
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lineWidth: 1
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}
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},
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dataGrouping: {
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approximation: 'averages'
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}
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});
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return ABandsIndicator;
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}(SMAIndicator));
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extend(ABandsIndicator.prototype, {
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areaLinesNames: ['top', 'bottom'],
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linesApiNames: ['topLine', 'bottomLine'],
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nameBase: 'Acceleration Bands',
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nameComponents: ['period', 'factor'],
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pointArrayMap: ['top', 'middle', 'bottom'],
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pointValKey: 'middle'
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});
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MultipleLinesComposition.compose(ABandsIndicator);
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SeriesRegistry.registerSeriesType('abands', ABandsIndicator);
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/* *
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*
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* Default Export
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*
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* */
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export default ABandsIndicator;
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/* *
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*
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* API Options
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*
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* */
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/**
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* An Acceleration bands indicator. If the [type](#series.abands.type) option is not
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* specified, it is inherited from [chart.type](#chart.type).
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*
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* @extends series,plotOptions.abands
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* @since 7.0.0
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* @product highstock
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* @excluding allAreas, colorAxis, compare, compareBase, dataParser, dataURL,
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* joinBy, keys, navigatorOptions, pointInterval,
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* pointIntervalUnit, pointPlacement, pointRange, pointStart,
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* stacking, showInNavigator,
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* @requires stock/indicators/indicators
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* @requires stock/indicators/acceleration-bands
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* @apioption series.abands
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*/
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''; // to include the above in jsdoc
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