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/**
* @license Highcharts JS v7.1.1 (2019-04-09)
*
* 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('highcharts/indicators/ao', ['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, 'indicators/ao.src.js', [_modules['parts/Globals.js']], 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
*/
});
_registerModule(_modules, 'masters/indicators/ao.src.js', [], function () {
});
}));