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/* *
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
'use strict';
import SeriesRegistry from '../../../Core/Series/SeriesRegistry.js';
var Series = SeriesRegistry.series, ohlcProto = SeriesRegistry.seriesTypes.ohlc.prototype;
import U from '../../../Core/Utilities.js';
var addEvent = U.addEvent, extend = U.extend;

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/* *
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
'use strict';
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 (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
import Chart from '../../../Core/Chart/Chart.js';
import SeriesRegistry from '../../../Core/Series/SeriesRegistry.js';
var LineSeries = SeriesRegistry.seriesTypes.line;
import U from '../../../Core/Utilities.js';
var addEvent = U.addEvent, error = U.error, extend = U.extend, isArray = U.isArray, merge = U.merge, pick = U.pick, splat = U.splat;
import './SMAComposition.js';
/* *
*
* Class
*
* */
/**
* The SMA series type.
*
* @private
*/
var SMAIndicator = /** @class */ (function (_super) {
__extends(SMAIndicator, _super);
function SMAIndicator() {
/* *
*
* Static Properties
*
* */
var _this = _super !== null && _super.apply(this, arguments) || this;
/* *
*
* Properties
*
* */
_this.data = void 0;
_this.dataEventsToUnbind = void 0;
_this.linkedParent = void 0;
_this.options = void 0;
_this.points = void 0;
return _this;
/* eslint-enable valid-jsdoc */
}
/* *
*
* Functions
*
* */
/* eslint-disable valid-jsdoc */
/**
* @private
*/
SMAIndicator.prototype.destroy = function () {
this.dataEventsToUnbind.forEach(function (unbinder) {
unbinder();
});
_super.prototype.destroy.apply(this, arguments);
};
/**
* @private
*/
SMAIndicator.prototype.getName = function () {
var name = this.name, params = [];
if (!name) {
(this.nameComponents || []).forEach(function (component, index) {
params.push(this.options.params[component] +
pick(this.nameSuffixes[index], ''));
}, this);
name = (this.nameBase || this.type.toUpperCase()) +
(this.nameComponents ? ' (' + params.join(', ') + ')' : '');
}
return name;
};
/**
* @private
*/
SMAIndicator.prototype.getValues = function (series, params) {
var period = params.period, xVal = series.xData, yVal = series.yData, yValLen = yVal.length, range = 0, sum = 0, SMA = [], xData = [], yData = [], index = -1, i, SMAPoint;
if (xVal.length < period) {
return;
}
// Switch index for OHLC / Candlestick / Arearange
if (isArray(yVal[0])) {
index = params.index ? params.index : 0;
}
// Accumulate first N-points
while (range < period - 1) {
sum += index < 0 ? yVal[range] : yVal[range][index];
range++;
}
// Calculate value one-by-one for each period in visible data
for (i = range; i < yValLen; i++) {
sum += index < 0 ? yVal[i] : yVal[i][index];
SMAPoint = [xVal[i], sum / period];
SMA.push(SMAPoint);
xData.push(SMAPoint[0]);
yData.push(SMAPoint[1]);
sum -= (index < 0 ?
yVal[i - range] :
yVal[i - range][index]);
}
return {
values: SMA,
xData: xData,
yData: yData
};
};
/**
* @private
*/
SMAIndicator.prototype.init = function (chart, options) {
var indicator = this;
_super.prototype.init.call(indicator, chart, options);
// Only after series are linked indicator can be processed.
var linkedSeriesUnbiner = addEvent(Chart, 'afterLinkSeries', function () {
var hasEvents = !!indicator.dataEventsToUnbind.length;
if (indicator.linkedParent) {
if (!hasEvents) {
// No matter which indicator, always recalculate after
// updating the data.
indicator.dataEventsToUnbind.push(addEvent(indicator.linkedParent, 'updatedData', function () {
indicator.recalculateValues();
}));
// Some indicators (like VBP) requires an additional
// event (afterSetExtremes) to properly show the data.
if (indicator.calculateOn.xAxis) {
indicator.dataEventsToUnbind.push(addEvent(indicator.linkedParent.xAxis, indicator.calculateOn.xAxis, function () {
indicator.recalculateValues();
}));
}
}
// Most indicators are being calculated on chart's init.
if (indicator.calculateOn.chart === 'init') {
if (!indicator.processedYData) {
indicator.recalculateValues();
}
}
else if (!hasEvents) {
// Some indicators (like VBP) has to recalculate their
// values after other chart's events (render).
var unbinder_1 = addEvent(indicator.chart, indicator.calculateOn.chart, function () {
indicator.recalculateValues();
// Call this just once.
unbinder_1();
});
}
}
else {
return error('Series ' +
indicator.options.linkedTo +
' not found! Check `linkedTo`.', false, chart);
}
}, {
order: 0
});
// Make sure we find series which is a base for an indicator
// chart.linkSeries();
indicator.dataEventsToUnbind = [];
indicator.eventsToUnbind.push(linkedSeriesUnbiner);
};
/**
* @private
*/
SMAIndicator.prototype.recalculateValues = function () {
var indicator = this, oldData = indicator.points || [], oldDataLength = (indicator.xData || []).length, emptySet = {
values: [],
xData: [],
yData: []
}, processedData, croppedDataValues = [], overwriteData = true, oldFirstPointIndex, oldLastPointIndex, croppedData, min, max, i;
// Updating an indicator with redraw=false may destroy data.
// If there will be a following update for the parent series,
// we will try to access Series object without any properties
// (except for prototyped ones). This is what happens
// for example when using Axis.setDataGrouping(). See #16670
processedData = indicator.linkedParent.options ?
(indicator.getValues(indicator.linkedParent, indicator.options.params) || emptySet) : emptySet;
// We need to update points to reflect changes in all,
// x and y's, values. However, do it only for non-grouped
// data - grouping does it for us (#8572)
if (oldDataLength &&
!indicator.hasGroupedData &&
indicator.visible &&
indicator.points) {
// When data is cropped update only avaliable points (#9493)
if (indicator.cropped) {
if (indicator.xAxis) {
min = indicator.xAxis.min;
max = indicator.xAxis.max;
}
croppedData = indicator.cropData(processedData.xData, processedData.yData, min, max);
for (i = 0; i < croppedData.xData.length; i++) {
// (#10774)
croppedDataValues.push([
croppedData.xData[i]
].concat(splat(croppedData.yData[i])));
}
oldFirstPointIndex = processedData.xData.indexOf(indicator.xData[0]);
oldLastPointIndex = processedData.xData.indexOf(indicator.xData[indicator.xData.length - 1]);
// Check if indicator points should be shifted (#8572)
if (oldFirstPointIndex === -1 &&
oldLastPointIndex === processedData.xData.length - 2) {
if (croppedDataValues[0][0] === oldData[0].x) {
croppedDataValues.shift();
}
}
indicator.updateData(croppedDataValues);
// Omit addPoint() and removePoint() cases
}
else if (processedData.xData.length !== oldDataLength - 1 &&
processedData.xData.length !== oldDataLength + 1) {
overwriteData = false;
indicator.updateData(processedData.values);
}
}
if (overwriteData) {
indicator.xData = processedData.xData;
indicator.yData = processedData.yData;
indicator.options.data = processedData.values;
}
// Removal of processedXData property is required because on
// first translate processedXData array is empty
if (indicator.calculateOn.xAxis && indicator.processedXData) {
delete indicator.processedXData;
indicator.isDirty = true;
indicator.redraw();
}
indicator.isDirtyData = false;
};
/**
* @private
*/
SMAIndicator.prototype.processData = function () {
var series = this, compareToMain = series.options.compareToMain, linkedParent = series.linkedParent;
_super.prototype.processData.apply(series, arguments);
if (series.dataModify &&
linkedParent &&
linkedParent.dataModify &&
linkedParent.dataModify.compareValue &&
compareToMain) {
series.dataModify.compareValue =
linkedParent.dataModify.compareValue;
}
return;
};
/**
* The parameter allows setting line series type and use OHLC indicators.
* Data in OHLC format is required.
*
* @sample {highstock} stock/indicators/use-ohlc-data
* Use OHLC data format to plot line chart
*
* @type {boolean}
* @product highstock
* @apioption plotOptions.line.useOhlcData
*/
/**
* Simple moving average indicator (SMA). This series requires `linkedTo`
* option to be set.
*
* @sample stock/indicators/sma
* Simple moving average indicator
*
* @extends plotOptions.line
* @since 6.0.0
* @excluding allAreas, colorAxis, dragDrop, joinBy, keys,
* navigatorOptions, pointInterval, pointIntervalUnit,
* pointPlacement, pointRange, pointStart, showInNavigator,
* stacking, useOhlcData
* @product highstock
* @requires stock/indicators/indicators
* @optionparent plotOptions.sma
*/
SMAIndicator.defaultOptions = merge(LineSeries.defaultOptions, {
/**
* The name of the series as shown in the legend, tooltip etc. If not
* set, it will be based on a technical indicator type and default
* params.
*
* @type {string}
*/
name: void 0,
tooltip: {
/**
* Number of decimals in indicator series.
*/
valueDecimals: 4
},
/**
* The main series ID that indicator will be based on. Required for this
* indicator.
*
* @type {string}
*/
linkedTo: void 0,
/**
* Whether to compare indicator to the main series values
* or indicator values.
*
* @sample {highstock} stock/plotoptions/series-comparetomain/
* Difference between comparing SMA values to the main series
* and its own values.
*
* @type {boolean}
*/
compareToMain: false,
/**
* Paramters used in calculation of regression series' points.
*/
params: {
/**
* The point index which indicator calculations will base. For
* example using OHLC data, index=2 means the indicator will be
* calculated using Low values.
*/
index: 3,
/**
* The base period for indicator calculations. This is the number of
* data points which are taken into account for the indicator
* calculations.
*/
period: 14
}
});
return SMAIndicator;
}(LineSeries));
extend(SMAIndicator.prototype, {
calculateOn: {
chart: 'init'
},
hasDerivedData: true,
nameComponents: ['period'],
nameSuffixes: [],
useCommonDataGrouping: true
});
SeriesRegistry.registerSeriesType('sma', SMAIndicator);
/* *
*
* Default Export
*
* */
export default SMAIndicator;
/* *
*
* API Options
*
* */
/**
* A `SMA` series. If the [type](#series.sma.type) option is not specified, it
* is inherited from [chart.type](#chart.type).
*
* @extends series,plotOptions.sma
* @since 6.0.0
* @product highstock
* @excluding dataParser, dataURL, useOhlcData
* @requires stock/indicators/indicators
* @apioption series.sma
*/
(''); // adds doclet above to the transpiled file