544 lines
21 KiB
JavaScript
544 lines
21 KiB
JavaScript
/**
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* @license Highstock JS v11.4.1 (2024-04-04)
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*
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* Indicator series type for Highcharts Stock
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*
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* (c) 2010-2024 Daniel Studencki
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*
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* License: www.highcharts.com/license
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*/
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(function (factory) {
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if (typeof module === 'object' && module.exports) {
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factory['default'] = factory;
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module.exports = factory;
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} else if (typeof define === 'function' && define.amd) {
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define('highcharts/indicators/price-channel', ['highcharts', 'highcharts/modules/stock'], function (Highcharts) {
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factory(Highcharts);
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factory.Highcharts = Highcharts;
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return factory;
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});
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} else {
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factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
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}
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}(function (Highcharts) {
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'use strict';
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var _modules = Highcharts ? Highcharts._modules : {};
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function _registerModule(obj, path, args, fn) {
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if (!obj.hasOwnProperty(path)) {
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obj[path] = fn.apply(null, args);
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if (typeof CustomEvent === 'function') {
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window.dispatchEvent(new CustomEvent(
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'HighchartsModuleLoaded',
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{ detail: { path: path, module: obj[path] } }
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));
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}
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}
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}
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_registerModule(_modules, 'Stock/Indicators/ArrayUtilities.js', [], function () {
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/**
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*
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* (c) 2010-2024 Pawel Fus & Daniel Studencki
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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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/* *
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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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* Get extremes of array filled by OHLC data.
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*
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* @private
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*
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* @param {Array<Array<number>>} arr
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* Array of OHLC points (arrays).
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*
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* @param {number} minIndex
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* Index of "low" value in point array.
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*
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* @param {number} maxIndex
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* Index of "high" value in point array.
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*
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* @return {Array<number,number>}
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* Returns array with min and max value.
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*/
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function getArrayExtremes(arr, minIndex, maxIndex) {
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return arr.reduce((prev, target) => [
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Math.min(prev[0], target[minIndex]),
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Math.max(prev[1], target[maxIndex])
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], [Number.MAX_VALUE, -Number.MAX_VALUE]);
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}
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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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const ArrayUtilities = {
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getArrayExtremes
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};
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return ArrayUtilities;
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});
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_registerModule(_modules, 'Stock/Indicators/MultipleLinesComposition.js', [_modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (SeriesRegistry, U) {
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/**
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*
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* (c) 2010-2024 Wojciech Chmiel
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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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const { sma: { prototype: smaProto } } = SeriesRegistry.seriesTypes;
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const { defined, error, merge } = U;
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/* *
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*
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* Composition
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*
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* */
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var MultipleLinesComposition;
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(function (MultipleLinesComposition) {
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/* *
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*
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* Declarations
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*
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* */
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/* *
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*
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* Constants
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*
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* */
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/**
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* Additional lines DOCS names. Elements of linesApiNames array should
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* be consistent with DOCS line names defined in your implementation.
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* Notice that linesApiNames should have decreased amount of elements
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* relative to pointArrayMap (without pointValKey).
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*
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* @private
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* @type {Array<string>}
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*/
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const linesApiNames = ['bottomLine'];
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/**
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* Lines ids. Required to plot appropriate amount of lines.
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* Notice that pointArrayMap should have more elements than
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* linesApiNames, because it contains main line and additional lines ids.
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* Also it should be consistent with amount of lines calculated in
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* getValues method from your implementation.
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*
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* @private
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* @type {Array<string>}
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*/
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const pointArrayMap = ['top', 'bottom'];
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/**
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* Names of the lines, between which the area should be plotted.
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* If the drawing of the area should
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* be disabled for some indicators, leave this option as an empty array.
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* Names should be the same as the names in the pointArrayMap.
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*
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* @private
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* @type {Array<string>}
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*/
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const areaLinesNames = ['top'];
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/**
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* Main line id.
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*
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* @private
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* @type {string}
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*/
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const pointValKey = 'top';
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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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* Composition useful for all indicators that have more than one line.
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* Compose it with your implementation where you will provide the
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* `getValues` method appropriate to your indicator and `pointArrayMap`,
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* `pointValKey`, `linesApiNames` properties. Notice that `pointArrayMap`
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* should be consistent with the amount of lines calculated in the
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* `getValues` method.
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*
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* @private
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*/
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function compose(IndicatorClass) {
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const proto = IndicatorClass.prototype;
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proto.linesApiNames = (proto.linesApiNames ||
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linesApiNames.slice());
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proto.pointArrayMap = (proto.pointArrayMap ||
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pointArrayMap.slice());
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proto.pointValKey = (proto.pointValKey ||
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pointValKey);
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proto.areaLinesNames = (proto.areaLinesNames ||
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areaLinesNames.slice());
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proto.drawGraph = indicatorDrawGraph;
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proto.getGraphPath = indicatorGetGraphPath;
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proto.toYData = indicatorToYData;
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proto.translate = indicatorTranslate;
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return IndicatorClass;
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}
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MultipleLinesComposition.compose = compose;
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/**
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* Generate the API name of the line
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*
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* @private
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* @param propertyName name of the line
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*/
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function getLineName(propertyName) {
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return ('plot' +
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propertyName.charAt(0).toUpperCase() +
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propertyName.slice(1));
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}
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/**
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* Create translatedLines Collection based on pointArrayMap.
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*
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* @private
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* @param {string} [excludedValue]
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* Main line id
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* @return {Array<string>}
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* Returns translated lines names without excluded value.
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*/
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function getTranslatedLinesNames(indicator, excludedValue) {
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const translatedLines = [];
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(indicator.pointArrayMap || []).forEach((propertyName) => {
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if (propertyName !== excludedValue) {
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translatedLines.push(getLineName(propertyName));
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}
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});
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return translatedLines;
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}
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/**
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* Draw main and additional lines.
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*
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* @private
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*/
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function indicatorDrawGraph() {
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const indicator = this, pointValKey = indicator.pointValKey, linesApiNames = indicator.linesApiNames, areaLinesNames = indicator.areaLinesNames, mainLinePoints = indicator.points, mainLineOptions = indicator.options, mainLinePath = indicator.graph, gappedExtend = {
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options: {
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gapSize: mainLineOptions.gapSize
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}
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},
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// Additional lines point place holders:
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secondaryLines = [], secondaryLinesNames = getTranslatedLinesNames(indicator, pointValKey);
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let pointsLength = mainLinePoints.length, point;
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// Generate points for additional lines:
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secondaryLinesNames.forEach((plotLine, index) => {
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// Create additional lines point place holders
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secondaryLines[index] = [];
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while (pointsLength--) {
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point = mainLinePoints[pointsLength];
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secondaryLines[index].push({
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x: point.x,
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plotX: point.plotX,
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plotY: point[plotLine],
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isNull: !defined(point[plotLine])
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});
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}
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pointsLength = mainLinePoints.length;
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});
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// Modify options and generate area fill:
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if (indicator.userOptions.fillColor && areaLinesNames.length) {
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const index = secondaryLinesNames.indexOf(getLineName(areaLinesNames[0])), secondLinePoints = secondaryLines[index], firstLinePoints = areaLinesNames.length === 1 ?
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mainLinePoints :
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secondaryLines[secondaryLinesNames.indexOf(getLineName(areaLinesNames[1]))], originalColor = indicator.color;
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indicator.points = firstLinePoints;
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indicator.nextPoints = secondLinePoints;
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indicator.color = indicator.userOptions.fillColor;
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indicator.options = merge(mainLinePoints, gappedExtend);
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indicator.graph = indicator.area;
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indicator.fillGraph = true;
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smaProto.drawGraph.call(indicator);
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indicator.area = indicator.graph;
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// Clean temporary properties:
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delete indicator.nextPoints;
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delete indicator.fillGraph;
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indicator.color = originalColor;
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}
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// Modify options and generate additional lines:
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linesApiNames.forEach((lineName, i) => {
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if (secondaryLines[i]) {
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indicator.points = secondaryLines[i];
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if (mainLineOptions[lineName]) {
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indicator.options = merge(mainLineOptions[lineName].styles, gappedExtend);
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}
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else {
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error('Error: "There is no ' + lineName +
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' in DOCS options declared. Check if linesApiNames' +
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' are consistent with your DOCS line names."');
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}
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indicator.graph = indicator['graph' + lineName];
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smaProto.drawGraph.call(indicator);
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// Now save lines:
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indicator['graph' + lineName] = indicator.graph;
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}
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else {
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error('Error: "' + lineName + ' doesn\'t have equivalent ' +
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'in pointArrayMap. To many elements in linesApiNames ' +
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'relative to pointArrayMap."');
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}
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});
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// Restore options and draw a main line:
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indicator.points = mainLinePoints;
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indicator.options = mainLineOptions;
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indicator.graph = mainLinePath;
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smaProto.drawGraph.call(indicator);
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}
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/**
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* Create the path based on points provided as argument.
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* If indicator.nextPoints option is defined, create the areaFill.
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*
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* @private
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* @param points Points on which the path should be created
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*/
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function indicatorGetGraphPath(points) {
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let areaPath, path = [], higherAreaPath = [];
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points = points || this.points;
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// Render Span
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if (this.fillGraph && this.nextPoints) {
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areaPath = smaProto.getGraphPath.call(this, this.nextPoints);
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if (areaPath && areaPath.length) {
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areaPath[0][0] = 'L';
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path = smaProto.getGraphPath.call(this, points);
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higherAreaPath = areaPath.slice(0, path.length);
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// Reverse points, so that the areaFill will start from the end:
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for (let i = higherAreaPath.length - 1; i >= 0; i--) {
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path.push(higherAreaPath[i]);
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}
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}
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}
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else {
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path = smaProto.getGraphPath.apply(this, arguments);
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}
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return path;
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}
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/**
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* @private
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* @param {Highcharts.Point} point
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* Indicator point
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* @return {Array<number>}
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* Returns point Y value for all lines
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*/
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function indicatorToYData(point) {
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const pointColl = [];
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(this.pointArrayMap || []).forEach((propertyName) => {
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pointColl.push(point[propertyName]);
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});
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return pointColl;
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}
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/**
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* Add lines plot pixel values.
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*
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* @private
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*/
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function indicatorTranslate() {
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const pointArrayMap = this.pointArrayMap;
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let LinesNames = [], value;
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LinesNames = getTranslatedLinesNames(this);
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smaProto.translate.apply(this, arguments);
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this.points.forEach((point) => {
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pointArrayMap.forEach((propertyName, i) => {
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value = point[propertyName];
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// If the modifier, like for example compare exists,
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// modified the original value by that method, #15867.
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if (this.dataModify) {
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value = this.dataModify.modifyValue(value);
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}
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if (value !== null) {
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point[LinesNames[i]] = this.yAxis.toPixels(value, true);
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}
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});
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});
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}
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})(MultipleLinesComposition || (MultipleLinesComposition = {}));
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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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return MultipleLinesComposition;
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});
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_registerModule(_modules, 'Stock/Indicators/PC/PCIndicator.js', [_modules['Stock/Indicators/ArrayUtilities.js'], _modules['Stock/Indicators/MultipleLinesComposition.js'], _modules['Core/Color/Palettes.js'], _modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (AU, MultipleLinesComposition, Palettes, SeriesRegistry, U) {
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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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const { sma: SMAIndicator } = SeriesRegistry.seriesTypes;
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const { merge, extend } = U;
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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 Price Channel series type.
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*
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* @private
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* @class
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* @name Highcharts.seriesTypes.pc
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*
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* @augments Highcharts.Series
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*/
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class PCIndicator extends SMAIndicator {
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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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getValues(series, params) {
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const period = params.period, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0,
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// 0- date, 1-top line, 2-middle line, 3-bottom line
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PC = [],
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// Middle line, top line and bottom line
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low = 2, high = 1, xData = [], yData = [];
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let ML, TL, BL, date, slicedY, extremes, i;
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if (yValLen < period) {
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return;
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}
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for (i = period; i <= yValLen; i++) {
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date = xVal[i - 1];
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slicedY = yVal.slice(i - period, i);
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extremes = AU.getArrayExtremes(slicedY, low, high);
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TL = extremes[1];
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BL = extremes[0];
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ML = (TL + BL) / 2;
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PC.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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return {
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values: PC,
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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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/* *
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*
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* Static Properties
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*
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* */
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/**
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* Price channel (PC). This series requires the `linkedTo` option to be
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* set and should be loaded after the `stock/indicators/indicators.js`.
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*
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* @sample {highstock} stock/indicators/price-channel
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* Price Channel
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*
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* @extends plotOptions.sma
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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/price-channel
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* @optionparent plotOptions.pc
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*/
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PCIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
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/**
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* Option for fill color between lines in Price channel 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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* @apioption plotOptions.pc.fillColor
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*
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*/
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/**
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* @excluding index
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*/
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params: {
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index: void 0,
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period: 20
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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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* Color of the top line. If not set, it's inherited from
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* [plotOptions.pc.color](#plotOptions.pc.color).
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*
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* @type {Highcharts.ColorString}
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*/
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lineColor: Palettes.colors[2],
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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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* Color of the bottom line. If not set, it's inherited from
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* [plotOptions.pc.color](#plotOptions.pc.color).
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*
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* @type {Highcharts.ColorString}
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*/
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lineColor: Palettes.colors[8],
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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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extend(PCIndicator.prototype, {
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areaLinesNames: ['top', 'bottom'],
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nameBase: 'Price Channel',
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nameComponents: ['period'],
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linesApiNames: ['topLine', 'bottomLine'],
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pointArrayMap: ['top', 'middle', 'bottom'],
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pointValKey: 'middle'
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});
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MultipleLinesComposition.compose(PCIndicator);
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SeriesRegistry.registerSeriesType('pc', PCIndicator);
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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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/* *
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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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* A Price channel indicator. If the [type](#series.pc.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.pc
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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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* showInNavigator, stacking
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* @requires stock/indicators/indicators
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* @requires stock/indicators/price-channel
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* @apioption series.pc
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*/
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''; // To include the above in the js output
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return PCIndicator;
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});
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_registerModule(_modules, 'masters/indicators/price-channel.src.js', [_modules['Core/Globals.js']], function (Highcharts) {
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return Highcharts;
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});
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})); |