/** * @license Highcharts JS v7.0.3 (2019-02-06) * * Indicator series type for Highstock * * (c) 2010-2019 Wojciech Chmiel * * 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(function () { return factory; }); } else { factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined); } }(function (Highcharts) { (function (H) { /* * * * License: www.highcharts.com/license * * */ var correctFloat = H.correctFloat, isArray = H.isArray, noop = H.noop; /** * The AO series type * * @private * @class * @name Highcharts.seriesTypes.ao * * @augments Highcharts.Series */ H.seriesType( 'ao', 'sma', /** * Awesome Oscillator. This series requires the `linkedTo` option to * be set and should be loaded after the `stock/indicators/indicators.js` * * @sample {highstock} stock/indicators/ao * Awesome * * @extends plotOptions.sma * @since 7.0.0 * @product highstock * @excluding allAreas, colorAxis, joinBy, keys, navigatorOptions, * params, pointInterval, pointIntervalUnit, pointPlacement, * pointRange, pointStart, showInNavigator, stacking * @optionparent plotOptions.ao */ { /** * Color of the Awesome oscillator series bar that is greater than the * previous one. Note that if a `color` is defined, the `color` * takes precedence and the `greaterBarColor` is ignored. * * @sample {highstock} stock/indicators/ao/ * greaterBarColor * * @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject} * @since 7.0.0 */ greaterBarColor: '#06B535', /** * Color of the Awesome oscillator series bar that is lower than the * previous one. Note that if a `color` is defined, the `color` * takes precedence and the `lowerBarColor` is ignored. * * @sample {highstock} stock/indicators/ao/ * lowerBarColor * * @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject} * @since 7.0.0 */ lowerBarColor: '#F21313', threshold: 0, groupPadding: 0.2, pointPadding: 0.2, states: { hover: { halo: { size: 0 } } } }, /** * @lends Highcharts.Series# */ { nameBase: 'AO', nameComponents: false, // Columns support: markerAttribs: noop, getColumnMetrics: H.seriesTypes.column.prototype.getColumnMetrics, crispCol: H.seriesTypes.column.prototype.crispCol, translate: H.seriesTypes.column.prototype.translate, drawPoints: H.seriesTypes.column.prototype.drawPoints, drawGraph: function () { var indicator = this, options = indicator.options, points = indicator.points, userColor = indicator.userOptions.color, positiveColor = options.greaterBarColor, negativeColor = options.lowerBarColor, firstPoint = points[0], i; if (!userColor && firstPoint) { firstPoint.color = positiveColor; for (i = 1; i < points.length; i++) { if (points[i].y > points[i - 1].y) { points[i].color = positiveColor; } else if (points[i].y < points[i - 1].y) { points[i].color = negativeColor; } else { points[i].color = points[i - 1].color; } } } }, getValues: function (series) { var shortPeriod = 5, longPeriod = 34, xVal = series.xData || [], yVal = series.yData || [], yValLen = yVal.length, AO = [], // 0- date, 1- Awesome Oscillator xData = [], yData = [], high = 1, low = 2, shortSum = 0, longSum = 0, shortSMA, // Shorter Period SMA longSMA, // Longer Period SMA awesome, shortLastIndex, longLastIndex, price, i, j; if ( xVal.length <= longPeriod || !isArray(yVal[0]) || yVal[0].length !== 4 ) { return false; } for (i = 0; i < longPeriod - 1; i++) { price = (yVal[i][high] + yVal[i][low]) / 2; if (i >= longPeriod - shortPeriod) { shortSum = correctFloat(shortSum + price); } longSum = correctFloat(longSum + price); } for (j = longPeriod - 1; j < yValLen; j++) { price = (yVal[j][high] + yVal[j][low]) / 2; shortSum = correctFloat(shortSum + price); longSum = correctFloat(longSum + price); shortSMA = shortSum / shortPeriod; longSMA = longSum / longPeriod; awesome = correctFloat(shortSMA - longSMA); AO.push([xVal[j], awesome]); xData.push(xVal[j]); yData.push(awesome); shortLastIndex = j + 1 - shortPeriod; longLastIndex = j + 1 - longPeriod; shortSum = correctFloat( shortSum - (yVal[shortLastIndex][high] + yVal[shortLastIndex][low]) / 2 ); longSum = correctFloat( longSum - (yVal[longLastIndex][high] + yVal[longLastIndex][low]) / 2 ); } return { values: AO, xData: xData, yData: yData }; } } ); /** * An `AO` series. If the [type](#series.ao.type) * option is not specified, it is inherited from [chart.type](#chart.type). * * @extends series,plotOptions.ao * @since 7.0.0 * @product highstock * @excluding allAreas, colorAxis, dataParser, dataURL, joinBy, keys, * navigatorOptions, pointInterval, pointIntervalUnit, * pointPlacement, pointRange, pointStart, showInNavigator, stacking * @apioption series.ao */ }(Highcharts)); return (function () { }()); }));