/** * @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/pivot-points', ['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/PivotPoints/PivotPointsPoint.js', [_modules['Core/Series/SeriesRegistry.js']], function (SeriesRegistry) { /* * * * 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; /* eslint-disable valid-jsdoc */ /** * @private */ function destroyExtraLabels(point, functionName) { var props = point.series.pointArrayMap, prop, i = props.length; SeriesRegistry.seriesTypes.sma.prototype.pointClass.prototype[functionName].call(point); while (i--) { prop = 'dataLabel' + props[i]; // S4 dataLabel could be removed by parent method: if (point[prop] && point[prop].element) { point[prop].destroy(); } point[prop] = null; } } /* eslint-enable valid-jsdoc */ /* * * * Class * * */ var PivotPointsPoint = /** @class */ (function (_super) { __extends(PivotPointsPoint, _super); function PivotPointsPoint() { /** * * Properties * */ var _this = _super !== null && _super.apply(this, arguments) || this; _this.P = void 0; _this.pivotLine = void 0; _this.series = void 0; return _this; } /** * * Functions * */ PivotPointsPoint.prototype.destroyElements = function () { destroyExtraLabels(this, 'destroyElements'); }; // This method is called when removing points, e.g. series.update() PivotPointsPoint.prototype.destroy = function () { destroyExtraLabels(this, 'destroyElements'); }; return PivotPointsPoint; }(SMAIndicator.prototype.pointClass)); /* * * * Default Export * * */ return PivotPointsPoint; }); _registerModule(_modules, 'Stock/Indicators/PivotPoints/PivotPointsIndicator.js', [_modules['Stock/Indicators/PivotPoints/PivotPointsPoint.js'], _modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (PivotPointsPoint, 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 merge = U.merge, extend = U.extend, defined = U.defined, isArray = U.isArray; /** * * Class * **/ /** * The Pivot Points series type. * * @private * @class * @name Highcharts.seriesTypes.pivotpoints * * @augments Highcharts.Series */ var PivotPointsIndicator = /** @class */ (function (_super) { __extends(PivotPointsIndicator, _super); function PivotPointsIndicator() { var _this = _super !== null && _super.apply(this, arguments) || this; /** * * Properties * */ _this.data = void 0; _this.options = void 0; _this.points = void 0; _this.endPoint = void 0; _this.plotEndPoint = void 0; return _this; } /** * * Functions * */ PivotPointsIndicator.prototype.toYData = function (point) { return [point.P]; // The rest should not affect extremes }; PivotPointsIndicator.prototype.translate = function () { var indicator = this; SeriesRegistry.seriesTypes.sma.prototype.translate.apply(indicator); indicator.points.forEach(function (point) { indicator.pointArrayMap.forEach(function (value) { if (defined(point[value])) { point['plot' + value] = (indicator.yAxis.toPixels(point[value], true)); } }); }); // Pivot points are rendered as horizontal lines // And last point start not from the next one (as it's the last one) // But from the approximated last position in a given range indicator.plotEndPoint = indicator.xAxis.toPixels(indicator.endPoint, true); }; PivotPointsIndicator.prototype.getGraphPath = function (points) { var indicator = this, pointsLength = points.length, allPivotPoints = ([[], [], [], [], [], [], [], [], []]), path = [], endPoint = indicator.plotEndPoint, pointArrayMapLength = indicator.pointArrayMap.length, position, point, i; while (pointsLength--) { point = points[pointsLength]; for (i = 0; i < pointArrayMapLength; i++) { position = indicator.pointArrayMap[i]; if (defined(point[position])) { allPivotPoints[i].push({ // Start left: plotX: point.plotX, plotY: point['plot' + position], isNull: false }, { // Go to right: plotX: endPoint, plotY: point['plot' + position], isNull: false }, { // And add null points in path to generate breaks: plotX: endPoint, plotY: null, isNull: true }); } } endPoint = point.plotX; } allPivotPoints.forEach(function (pivotPoints) { path = path.concat(SeriesRegistry.seriesTypes.sma.prototype.getGraphPath.call(indicator, pivotPoints)); }); return path; }; // TODO: Rewrite this logic to use multiple datalabels PivotPointsIndicator.prototype.drawDataLabels = function () { var indicator = this, pointMapping = indicator.pointArrayMap, currentLabel, pointsLength, point, i; if (indicator.options.dataLabels.enabled) { pointsLength = indicator.points.length; // For every Ressitance/Support group we need to render labels. // Add one more item, which will just store dataLabels from // previous iteration pointMapping.concat([false]).forEach(function (position, k) { i = pointsLength; while (i--) { point = indicator.points[i]; if (!position) { // Store S4 dataLabel too: point['dataLabel' + pointMapping[k - 1]] = point.dataLabel; } else { point.y = point[position]; point.pivotLine = position; point.plotY = point['plot' + position]; currentLabel = point['dataLabel' + position]; // Store previous label if (k) { point['dataLabel' + pointMapping[k - 1]] = point.dataLabel; } if (!point.dataLabels) { point.dataLabels = []; } point.dataLabels[0] = point.dataLabel = currentLabel = currentLabel && currentLabel.element ? currentLabel : null; } } SeriesRegistry.seriesTypes.sma.prototype.drawDataLabels.apply(indicator, arguments); }); } }; PivotPointsIndicator.prototype.getValues = function (series, params) { var period = params.period, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, placement = this[params.algorithm + 'Placement'], // 0- from, 1- to, 2- R1, 3- R2, 4- pivot, 5- S1 etc. PP = [], endTimestamp, xData = [], yData = [], slicedXLen, slicedX, slicedY, lastPP, pivot, avg, i; // Pivot Points requires high, low and close values if (xVal.length < period || !isArray(yVal[0]) || yVal[0].length !== 4) { return; } for (i = period + 1; i <= yValLen + period; i += period) { slicedX = xVal.slice(i - period - 1, i); slicedY = yVal.slice(i - period - 1, i); slicedXLen = slicedX.length; endTimestamp = slicedX[slicedXLen - 1]; pivot = this.getPivotAndHLC(slicedY); avg = placement(pivot); lastPP = PP.push([endTimestamp] .concat(avg)); xData.push(endTimestamp); yData.push(PP[lastPP - 1].slice(1)); } // We don't know exact position in ordinal axis // So we use simple logic: // Get first point in last range, calculate visible average range // and multiply by period this.endPoint = slicedX[0] + ((endTimestamp - slicedX[0]) / slicedXLen) * period; return { values: PP, xData: xData, yData: yData }; }; PivotPointsIndicator.prototype.getPivotAndHLC = function (values) { var high = -Infinity, low = Infinity, close = values[values.length - 1][3], pivot; values.forEach(function (p) { high = Math.max(high, p[1]); low = Math.min(low, p[2]); }); pivot = (high + low + close) / 3; return [pivot, high, low, close]; }; PivotPointsIndicator.prototype.standardPlacement = function (values) { var diff = values[1] - values[2], avg = [ null, null, values[0] + diff, values[0] * 2 - values[2], values[0], values[0] * 2 - values[1], values[0] - diff, null, null ]; return avg; }; PivotPointsIndicator.prototype.camarillaPlacement = function (values) { var diff = values[1] - values[2], avg = [ values[3] + diff * 1.5, values[3] + diff * 1.25, values[3] + diff * 1.1666, values[3] + diff * 1.0833, values[0], values[3] - diff * 1.0833, values[3] - diff * 1.1666, values[3] - diff * 1.25, values[3] - diff * 1.5 ]; return avg; }; PivotPointsIndicator.prototype.fibonacciPlacement = function (values) { var diff = values[1] - values[2], avg = [ null, values[0] + diff, values[0] + diff * 0.618, values[0] + diff * 0.382, values[0], values[0] - diff * 0.382, values[0] - diff * 0.618, values[0] - diff, null ]; return avg; }; /** * Pivot points indicator. This series requires the `linkedTo` option to be * set and should be loaded after `stock/indicators/indicators.js` file. * * @sample stock/indicators/pivot-points * Pivot points * * @extends plotOptions.sma * @since 6.0.0 * @product highstock * @requires stock/indicators/indicators * @requires stock/indicators/pivotpoints * @optionparent plotOptions.pivotpoints */ PivotPointsIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, { /** * @excluding index */ params: { index: void 0, period: 28, /** * Algorithm used to calculate ressistance and support lines based * on pivot points. Implemented algorithms: `'standard'`, * `'fibonacci'` and `'camarilla'` */ algorithm: 'standard' }, marker: { enabled: false }, enableMouseTracking: false, dataLabels: { enabled: true, format: '{point.pivotLine}' }, dataGrouping: { approximation: 'averages' } }); return PivotPointsIndicator; }(SMAIndicator)); extend(PivotPointsIndicator.prototype, { nameBase: 'Pivot Points', pointArrayMap: ['R4', 'R3', 'R2', 'R1', 'P', 'S1', 'S2', 'S3', 'S4'], pointValKey: 'P', pointClass: PivotPointsPoint }); /* * * * Registry * * */ SeriesRegistry.registerSeriesType('pivotpoints', PivotPointsIndicator); /* * * * Default Export * * */ /** * A pivot points indicator. If the [type](#series.pivotpoints.type) option is * not specified, it is inherited from [chart.type](#chart.type). * * @extends series,plotOptions.pivotpoints * @since 6.0.0 * @product highstock * @excluding dataParser, dataURL * @requires stock/indicators/indicators * @requires stock/indicators/pivotpoints * @apioption series.pivotpoints */ ''; // to include the above in the js output' return PivotPointsIndicator; }); _registerModule(_modules, 'masters/indicators/pivot-points.src.js', [], function () { }); }));