1088 lines
38 KiB
JavaScript
1088 lines
38 KiB
JavaScript
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/* *
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*
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* Networkgraph series
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*
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* (c) 2010-2020 Paweł Fus
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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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'use strict';
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import H from '../../parts/Globals.js';
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/**
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* Formatter callback function.
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*
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* @callback Highcharts.SeriesNetworkgraphDataLabelsFormatterCallbackFunction
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*
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* @param {Highcharts.SeriesNetworkgraphDataLabelsFormatterContextObject|Highcharts.PointLabelObject} this
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* Data label context to format
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*
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* @return {string}
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* Formatted data label text
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*/
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/**
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* Context for the formatter function.
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*
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* @interface Highcharts.SeriesNetworkgraphDataLabelsFormatterContextObject
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* @extends Highcharts.PointLabelObject
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* @since 7.0.0
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*/ /**
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* The color of the node.
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* @name Highcharts.SeriesNetworkgraphDataLabelsFormatterContextObject#color
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* @type {Highcharts.ColorString}
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* @since 7.0.0
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*/ /**
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* The point (node) object. The node name, if defined, is available through
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* `this.point.name`. Arrays: `this.point.linksFrom` and `this.point.linksTo`
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* contains all nodes connected to this point.
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* @name Highcharts.SeriesNetworkgraphDataLabelsFormatterContextObject#point
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* @type {Highcharts.Point}
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* @since 7.0.0
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*/ /**
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* The ID of the node.
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* @name Highcharts.SeriesNetworkgraphDataLabelsFormatterContextObject#key
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* @type {string}
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* @since 7.0.0
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*/
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''; // detach doclets above
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import Point from '../../parts/Point.js';
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import U from '../../parts/Utilities.js';
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var addEvent = U.addEvent, css = U.css, defined = U.defined, pick = U.pick, seriesType = U.seriesType;
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import '../../parts/Options.js';
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import '../../mixins/nodes.js';
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import './layouts.js';
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import './draggable-nodes.js';
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var seriesTypes = H.seriesTypes, Series = H.Series, dragNodesMixin = H.dragNodesMixin;
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/**
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* @private
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* @class
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* @name Highcharts.seriesTypes.networkgraph
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*
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* @extends Highcharts.Series
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*/
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seriesType('networkgraph', 'line',
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/**
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* A networkgraph is a type of relationship chart, where connnections
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* (links) attracts nodes (points) and other nodes repulse each other.
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*
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* @extends plotOptions.line
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* @product highcharts
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* @sample highcharts/demo/network-graph/
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* Networkgraph
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* @since 7.0.0
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* @excluding boostThreshold, animation, animationLimit, connectEnds,
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* colorAxis, colorKey, connectNulls, dragDrop,
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* getExtremesFromAll, label, linecap, negativeColor,
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* pointInterval, pointIntervalUnit, pointPlacement,
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* pointStart, softThreshold, stack, stacking, step,
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* threshold, xAxis, yAxis, zoneAxis, dataSorting
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* @requires modules/networkgraph
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* @optionparent plotOptions.networkgraph
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*/
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{
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stickyTracking: false,
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/**
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* @ignore-option
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* @private
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*/
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inactiveOtherPoints: true,
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marker: {
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enabled: true,
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states: {
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/**
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* The opposite state of a hover for a single point node.
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* Applied to all not connected nodes to the hovered one.
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*
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* @declare Highcharts.PointStatesInactiveOptionsObject
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*/
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inactive: {
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/**
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* Opacity of inactive markers.
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*/
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opacity: 0.3,
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/**
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* Animation when not hovering over the node.
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*
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* @type {boolean|Highcharts.AnimationOptionsObject}
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*/
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animation: {
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/** @internal */
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duration: 50
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}
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}
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}
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},
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states: {
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/**
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* The opposite state of a hover for a single point link. Applied
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* to all links that are not comming from the hovered node.
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*
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* @declare Highcharts.SeriesStatesInactiveOptionsObject
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*/
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inactive: {
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/**
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* Opacity of inactive links.
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*/
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linkOpacity: 0.3,
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/**
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* Animation when not hovering over the node.
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*
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* @type {boolean|Highcharts.AnimationOptionsObject}
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*/
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animation: {
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/** @internal */
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duration: 50
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}
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}
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},
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/**
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* @sample highcharts/series-networkgraph/link-datalabels
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* Networkgraph with labels on links
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* @sample highcharts/series-networkgraph/textpath-datalabels
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* Networkgraph with labels around nodes
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* @sample highcharts/series-networkgraph/link-datalabels
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* Data labels moved into the nodes
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* @sample highcharts/series-networkgraph/link-datalabels
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* Data labels moved under the links
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*
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* @declare Highcharts.SeriesNetworkgraphDataLabelsOptionsObject
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*
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* @private
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*/
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dataLabels: {
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/**
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* The
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* [format string](https://www.highcharts.com/docs/chart-concepts/labels-and-string-formatting)
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* specifying what to show for _node_ in the networkgraph. In v7.0
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* defaults to `{key}`, since v7.1 defaults to `undefined` and
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* `formatter` is used instead.
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*
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* @type {string}
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* @since 7.0.0
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* @apioption plotOptions.networkgraph.dataLabels.format
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*/
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// eslint-disable-next-line valid-jsdoc
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/**
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* Callback JavaScript function to format the data label for a node.
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* Note that if a `format` is defined, the format takes precedence
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* and the formatter is ignored.
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*
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* @type {Highcharts.SeriesNetworkgraphDataLabelsFormatterCallbackFunction}
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* @since 7.0.0
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*/
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formatter: function () {
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return this.key;
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},
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/**
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* The
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* [format string](https://www.highcharts.com/docs/chart-concepts/labels-and-string-formatting)
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* specifying what to show for _links_ in the networkgraph.
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* (Default: `undefined`)
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*
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* @type {string}
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* @since 7.1.0
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* @apioption plotOptions.networkgraph.dataLabels.linkFormat
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*/
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// eslint-disable-next-line valid-jsdoc
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/**
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* Callback to format data labels for _links_ in the sankey diagram.
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* The `linkFormat` option takes precedence over the
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* `linkFormatter`.
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*
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* @type {Highcharts.SeriesNetworkgraphDataLabelsFormatterCallbackFunction}
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* @since 7.1.0
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*/
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linkFormatter: function () {
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return (this.point.fromNode.name +
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'<br>' +
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this.point.toNode.name);
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},
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/**
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* Options for a _link_ label text which should follow link
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* connection. Border and background are disabled for a label that
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* follows a path.
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*
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* **Note:** Only SVG-based renderer supports this option. Setting
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* `useHTML` to true will disable this option.
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*
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* @extends plotOptions.networkgraph.dataLabels.textPath
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* @since 7.1.0
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*/
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linkTextPath: {
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enabled: true
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},
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textPath: {
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enabled: false
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},
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style: {
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transition: 'opacity 2000ms'
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}
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},
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/**
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* Link style options
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* @private
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*/
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link: {
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/**
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* A name for the dash style to use for links.
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*
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* @type {string}
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* @apioption plotOptions.networkgraph.link.dashStyle
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*/
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/**
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* Color of the link between two nodes.
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*/
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color: 'rgba(100, 100, 100, 0.5)',
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/**
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* Width (px) of the link between two nodes.
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*/
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width: 1
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},
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/**
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* Flag to determine if nodes are draggable or not.
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* @private
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*/
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draggable: true,
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layoutAlgorithm: {
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/**
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* Repulsive force applied on a node. Passed are two arguments:
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* - `d` - which is current distance between two nodes
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* - `k` - which is desired distance between two nodes
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*
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* In `verlet` integration, defaults to:
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* `function (d, k) { return (k - d) / d * (k > d ? 1 : 0) }`
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*
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* @see [layoutAlgorithm.integration](#series.networkgraph.layoutAlgorithm.integration)
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*
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* @sample highcharts/series-networkgraph/forces/
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* Custom forces with Euler integration
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* @sample highcharts/series-networkgraph/cuboids/
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* Custom forces with Verlet integration
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*
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* @type {Function}
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* @default function (d, k) { return k * k / d; }
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* @apioption plotOptions.networkgraph.layoutAlgorithm.repulsiveForce
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*/
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/**
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* Attraction force applied on a node which is conected to another
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* node by a link. Passed are two arguments:
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* - `d` - which is current distance between two nodes
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* - `k` - which is desired distance between two nodes
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*
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* In `verlet` integration, defaults to:
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* `function (d, k) { return (k - d) / d; }`
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*
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* @see [layoutAlgorithm.integration](#series.networkgraph.layoutAlgorithm.integration)
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*
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* @sample highcharts/series-networkgraph/forces/
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* Custom forces with Euler integration
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* @sample highcharts/series-networkgraph/cuboids/
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* Custom forces with Verlet integration
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*
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* @type {Function}
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* @default function (d, k) { return k * k / d; }
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* @apioption plotOptions.networkgraph.layoutAlgorithm.attractiveForce
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*/
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/**
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* Ideal length (px) of the link between two nodes. When not
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* defined, length is calculated as:
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* `Math.pow(availableWidth * availableHeight / nodesLength, 0.4);`
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*
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* Note: Because of the algorithm specification, length of each link
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* might be not exactly as specified.
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*
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* @sample highcharts/series-networkgraph/styled-links/
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* Numerical values
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*
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* @type {number}
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* @apioption plotOptions.networkgraph.layoutAlgorithm.linkLength
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*/
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/**
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* Initial layout algorithm for positioning nodes. Can be one of
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* built-in options ("circle", "random") or a function where
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* positions should be set on each node (`this.nodes`) as
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* `node.plotX` and `node.plotY`
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*
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* @sample highcharts/series-networkgraph/initial-positions/
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* Initial positions with callback
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*
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* @type {"circle"|"random"|Function}
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*/
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initialPositions: 'circle',
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/**
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* When `initialPositions` are set to 'circle',
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* `initialPositionRadius` is a distance from the center of circle,
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* in which nodes are created.
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*
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* @type {number}
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* @default 1
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* @since 7.1.0
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*/
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initialPositionRadius: 1,
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/**
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* Experimental. Enables live simulation of the algorithm
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* implementation. All nodes are animated as the forces applies on
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* them.
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*
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* @sample highcharts/demo/network-graph/
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* Live simulation enabled
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*/
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enableSimulation: false,
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/**
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* Barnes-Hut approximation only.
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* Deteremines when distance between cell and node is small enough
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* to caculate forces. Value of `theta` is compared directly with
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* quotient `s / d`, where `s` is the size of the cell, and `d` is
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* distance between center of cell's mass and currently compared
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* node.
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*
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* @see [layoutAlgorithm.approximation](#series.networkgraph.layoutAlgorithm.approximation)
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*
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* @since 7.1.0
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*/
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theta: 0.5,
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/**
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* Verlet integration only.
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* Max speed that node can get in one iteration. In terms of
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* simulation, it's a maximum translation (in pixels) that node can
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* move (in both, x and y, dimensions). While `friction` is applied
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* on all nodes, max speed is applied only for nodes that move very
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* fast, for example small or disconnected ones.
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*
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* @see [layoutAlgorithm.integration](#series.networkgraph.layoutAlgorithm.integration)
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* @see [layoutAlgorithm.friction](#series.networkgraph.layoutAlgorithm.friction)
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*
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* @since 7.1.0
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*/
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maxSpeed: 10,
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/**
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* Approximation used to calculate repulsive forces affecting nodes.
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* By default, when calculateing net force, nodes are compared
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* against each other, which gives O(N^2) complexity. Using
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* Barnes-Hut approximation, we decrease this to O(N log N), but the
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* resulting graph will have different layout. Barnes-Hut
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* approximation divides space into rectangles via quad tree, where
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* forces exerted on nodes are calculated directly for nearby cells,
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* and for all others, cells are treated as a separate node with
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* center of mass.
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*
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* @see [layoutAlgorithm.theta](#series.networkgraph.layoutAlgorithm.theta)
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*
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* @sample highcharts/series-networkgraph/barnes-hut-approximation/
|
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* A graph with Barnes-Hut approximation
|
||
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*
|
||
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* @type {string}
|
||
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* @validvalue ["barnes-hut", "none"]
|
||
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* @since 7.1.0
|
||
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*/
|
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approximation: 'none',
|
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|
/**
|
||
|
|
* Type of the algorithm used when positioning nodes.
|
||
|
|
*
|
||
|
|
* @type {string}
|
||
|
|
* @validvalue ["reingold-fruchterman"]
|
||
|
|
*/
|
||
|
|
type: 'reingold-fruchterman',
|
||
|
|
/**
|
||
|
|
* Integration type. Available options are `'euler'` and `'verlet'`.
|
||
|
|
* Integration determines how forces are applied on particles. In
|
||
|
|
* Euler integration, force is applied direct as
|
||
|
|
* `newPosition += velocity;`.
|
||
|
|
* In Verlet integration, new position is based on a previous
|
||
|
|
* posittion without velocity:
|
||
|
|
* `newPosition += previousPosition - newPosition`.
|
||
|
|
*
|
||
|
|
* Note that different integrations give different results as forces
|
||
|
|
* are different.
|
||
|
|
*
|
||
|
|
* In Highcharts v7.0.x only `'euler'` integration was supported.
|
||
|
|
*
|
||
|
|
* @sample highcharts/series-networkgraph/integration-comparison/
|
||
|
|
* Comparison of Verlet and Euler integrations
|
||
|
|
*
|
||
|
|
* @type {string}
|
||
|
|
* @validvalue ["euler", "verlet"]
|
||
|
|
* @since 7.1.0
|
||
|
|
*/
|
||
|
|
integration: 'euler',
|
||
|
|
/**
|
||
|
|
* Max number of iterations before algorithm will stop. In general,
|
||
|
|
* algorithm should find positions sooner, but when rendering huge
|
||
|
|
* number of nodes, it is recommended to increase this value as
|
||
|
|
* finding perfect graph positions can require more time.
|
||
|
|
*/
|
||
|
|
maxIterations: 1000,
|
||
|
|
/**
|
||
|
|
* Gravitational const used in the barycenter force of the
|
||
|
|
* algorithm.
|
||
|
|
*
|
||
|
|
* @sample highcharts/series-networkgraph/forces/
|
||
|
|
* Custom forces with Euler integration
|
||
|
|
*/
|
||
|
|
gravitationalConstant: 0.0625,
|
||
|
|
/**
|
||
|
|
* Friction applied on forces to prevent nodes rushing to fast to
|
||
|
|
* the desired positions.
|
||
|
|
*/
|
||
|
|
friction: -0.981
|
||
|
|
},
|
||
|
|
showInLegend: false
|
||
|
|
}, {
|
||
|
|
/**
|
||
|
|
* Array of internal forces. Each force should be later defined in
|
||
|
|
* integrations.js.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
forces: ['barycenter', 'repulsive', 'attractive'],
|
||
|
|
hasDraggableNodes: true,
|
||
|
|
drawGraph: null,
|
||
|
|
isCartesian: false,
|
||
|
|
requireSorting: false,
|
||
|
|
directTouch: true,
|
||
|
|
noSharedTooltip: true,
|
||
|
|
pointArrayMap: ['from', 'to'],
|
||
|
|
trackerGroups: ['group', 'markerGroup', 'dataLabelsGroup'],
|
||
|
|
drawTracker: H.TrackerMixin.drawTrackerPoint,
|
||
|
|
// Animation is run in `series.simulation`.
|
||
|
|
animate: null,
|
||
|
|
buildKDTree: H.noop,
|
||
|
|
/**
|
||
|
|
* Create a single node that holds information on incoming and outgoing
|
||
|
|
* links.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
createNode: H.NodesMixin.createNode,
|
||
|
|
destroy: function () {
|
||
|
|
this.layout.removeElementFromCollection(this, this.layout.series);
|
||
|
|
H.NodesMixin.destroy.call(this);
|
||
|
|
},
|
||
|
|
/* eslint-disable no-invalid-this, valid-jsdoc */
|
||
|
|
/**
|
||
|
|
* Extend init with base event, which should stop simulation during
|
||
|
|
* update. After data is updated, `chart.render` resumes the simulation.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
init: function () {
|
||
|
|
Series.prototype.init.apply(this, arguments);
|
||
|
|
addEvent(this, 'updatedData', function () {
|
||
|
|
if (this.layout) {
|
||
|
|
this.layout.stop();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* Extend generatePoints by adding the nodes, which are Point objects
|
||
|
|
* but pushed to the this.nodes array.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
generatePoints: function () {
|
||
|
|
var node, i;
|
||
|
|
H.NodesMixin.generatePoints.apply(this, arguments);
|
||
|
|
// In networkgraph, it's fine to define stanalone nodes, create
|
||
|
|
// them:
|
||
|
|
if (this.options.nodes) {
|
||
|
|
this.options.nodes.forEach(function (nodeOptions) {
|
||
|
|
if (!this.nodeLookup[nodeOptions.id]) {
|
||
|
|
this.nodeLookup[nodeOptions.id] =
|
||
|
|
this.createNode(nodeOptions.id);
|
||
|
|
}
|
||
|
|
}, this);
|
||
|
|
}
|
||
|
|
for (i = this.nodes.length - 1; i >= 0; i--) {
|
||
|
|
node = this.nodes[i];
|
||
|
|
node.degree = node.getDegree();
|
||
|
|
node.radius = pick(node.marker && node.marker.radius, this.options.marker && this.options.marker.radius, 0);
|
||
|
|
// If node exists, but it's not available in nodeLookup,
|
||
|
|
// then it's leftover from previous runs (e.g. setData)
|
||
|
|
if (!this.nodeLookup[node.id]) {
|
||
|
|
node.remove();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this.data.forEach(function (link) {
|
||
|
|
link.formatPrefix = 'link';
|
||
|
|
});
|
||
|
|
this.indexateNodes();
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* In networkgraph, series.points refers to links,
|
||
|
|
* but series.nodes refers to actual points.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
getPointsCollection: function () {
|
||
|
|
return this.nodes || [];
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* Set index for each node. Required for proper `node.update()`.
|
||
|
|
* Note that links are indexated out of the box in `generatePoints()`.
|
||
|
|
*
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
indexateNodes: function () {
|
||
|
|
this.nodes.forEach(function (node, index) {
|
||
|
|
node.index = index;
|
||
|
|
});
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* Extend the default marker attribs by using a non-rounded X position,
|
||
|
|
* otherwise the nodes will jump from pixel to pixel which looks a bit
|
||
|
|
* jaggy when approaching equilibrium.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
markerAttribs: function (point, state) {
|
||
|
|
var attribs = Series.prototype.markerAttribs.call(this, point, state);
|
||
|
|
// series.render() is called before initial positions are set:
|
||
|
|
if (!defined(point.plotY)) {
|
||
|
|
attribs.y = 0;
|
||
|
|
}
|
||
|
|
attribs.x = (point.plotX || 0) - (attribs.width / 2 || 0);
|
||
|
|
return attribs;
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* Run pre-translation and register nodes&links to the deffered layout.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
translate: function () {
|
||
|
|
if (!this.processedXData) {
|
||
|
|
this.processData();
|
||
|
|
}
|
||
|
|
this.generatePoints();
|
||
|
|
this.deferLayout();
|
||
|
|
this.nodes.forEach(function (node) {
|
||
|
|
// Draw the links from this node
|
||
|
|
node.isInside = true;
|
||
|
|
node.linksFrom.forEach(function (point) {
|
||
|
|
point.shapeType = 'path';
|
||
|
|
// Pass test in drawPoints
|
||
|
|
point.y = 1;
|
||
|
|
});
|
||
|
|
});
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* Defer the layout.
|
||
|
|
* Each series first registers all nodes and links, then layout
|
||
|
|
* calculates all nodes positions and calls `series.render()` in every
|
||
|
|
* simulation step.
|
||
|
|
*
|
||
|
|
* Note:
|
||
|
|
* Animation is done through `requestAnimationFrame` directly, without
|
||
|
|
* `Highcharts.animate()` use.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
deferLayout: function () {
|
||
|
|
var layoutOptions = this.options.layoutAlgorithm, graphLayoutsStorage = this.chart.graphLayoutsStorage, graphLayoutsLookup = this.chart.graphLayoutsLookup, chartOptions = this.chart.options.chart, layout;
|
||
|
|
if (!this.visible) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!graphLayoutsStorage) {
|
||
|
|
this.chart.graphLayoutsStorage = graphLayoutsStorage = {};
|
||
|
|
this.chart.graphLayoutsLookup = graphLayoutsLookup = [];
|
||
|
|
}
|
||
|
|
layout = graphLayoutsStorage[layoutOptions.type];
|
||
|
|
if (!layout) {
|
||
|
|
layoutOptions.enableSimulation =
|
||
|
|
!defined(chartOptions.forExport) ?
|
||
|
|
layoutOptions.enableSimulation :
|
||
|
|
!chartOptions.forExport;
|
||
|
|
graphLayoutsStorage[layoutOptions.type] = layout =
|
||
|
|
new H.layouts[layoutOptions.type]();
|
||
|
|
layout.init(layoutOptions);
|
||
|
|
graphLayoutsLookup.splice(layout.index, 0, layout);
|
||
|
|
}
|
||
|
|
this.layout = layout;
|
||
|
|
layout.setArea(0, 0, this.chart.plotWidth, this.chart.plotHeight);
|
||
|
|
layout.addElementsToCollection([this], layout.series);
|
||
|
|
layout.addElementsToCollection(this.nodes, layout.nodes);
|
||
|
|
layout.addElementsToCollection(this.points, layout.links);
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* Extend the render function to also render this.nodes together with
|
||
|
|
* the points.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
render: function () {
|
||
|
|
var series = this, points = series.points, hoverPoint = series.chart.hoverPoint, dataLabels = [];
|
||
|
|
// Render markers:
|
||
|
|
series.points = series.nodes;
|
||
|
|
seriesTypes.line.prototype.render.call(this);
|
||
|
|
series.points = points;
|
||
|
|
points.forEach(function (point) {
|
||
|
|
if (point.fromNode && point.toNode) {
|
||
|
|
point.renderLink();
|
||
|
|
point.redrawLink();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
if (hoverPoint && hoverPoint.series === series) {
|
||
|
|
series.redrawHalo(hoverPoint);
|
||
|
|
}
|
||
|
|
if (series.chart.hasRendered &&
|
||
|
|
!series.options.dataLabels.allowOverlap) {
|
||
|
|
series.nodes.concat(series.points).forEach(function (node) {
|
||
|
|
if (node.dataLabel) {
|
||
|
|
dataLabels.push(node.dataLabel);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
series.chart.hideOverlappingLabels(dataLabels);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
// Networkgraph has two separate collecions of nodes and lines, render
|
||
|
|
// dataLabels for both sets:
|
||
|
|
drawDataLabels: function () {
|
||
|
|
var textPath = this.options.dataLabels.textPath;
|
||
|
|
// Render node labels:
|
||
|
|
Series.prototype.drawDataLabels.apply(this, arguments);
|
||
|
|
// Render link labels:
|
||
|
|
this.points = this.data;
|
||
|
|
this.options.dataLabels.textPath =
|
||
|
|
this.options.dataLabels.linkTextPath;
|
||
|
|
Series.prototype.drawDataLabels.apply(this, arguments);
|
||
|
|
// Restore nodes
|
||
|
|
this.points = this.nodes;
|
||
|
|
this.options.dataLabels.textPath = textPath;
|
||
|
|
},
|
||
|
|
// Return the presentational attributes.
|
||
|
|
pointAttribs: function (point, state) {
|
||
|
|
// By default, only `selected` state is passed on
|
||
|
|
var pointState = state || point && point.state || 'normal', attribs = Series.prototype.pointAttribs.call(this, point, pointState), stateOptions = this.options.states[pointState];
|
||
|
|
if (point && !point.isNode) {
|
||
|
|
attribs = point.getLinkAttributes();
|
||
|
|
// For link, get prefixed names:
|
||
|
|
if (stateOptions) {
|
||
|
|
attribs = {
|
||
|
|
// TO DO: API?
|
||
|
|
stroke: stateOptions.linkColor || attribs.stroke,
|
||
|
|
dashstyle: (stateOptions.linkDashStyle || attribs.dashstyle),
|
||
|
|
opacity: pick(stateOptions.linkOpacity, attribs.opacity),
|
||
|
|
'stroke-width': stateOptions.linkColor ||
|
||
|
|
attribs['stroke-width']
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return attribs;
|
||
|
|
},
|
||
|
|
// Draggable mode:
|
||
|
|
/**
|
||
|
|
* Redraw halo on mousemove during the drag&drop action.
|
||
|
|
* @private
|
||
|
|
* @param {Highcharts.Point} point The point that should show halo.
|
||
|
|
*/
|
||
|
|
redrawHalo: dragNodesMixin.redrawHalo,
|
||
|
|
/**
|
||
|
|
* Mouse down action, initializing drag&drop mode.
|
||
|
|
* @private
|
||
|
|
* @param {global.Event} event Browser event, before normalization.
|
||
|
|
* @param {Highcharts.Point} point The point that event occured.
|
||
|
|
*/
|
||
|
|
onMouseDown: dragNodesMixin.onMouseDown,
|
||
|
|
/**
|
||
|
|
* Mouse move action during drag&drop.
|
||
|
|
* @private
|
||
|
|
* @param {global.Event} event Browser event, before normalization.
|
||
|
|
* @param {Highcharts.Point} point The point that event occured.
|
||
|
|
*/
|
||
|
|
onMouseMove: dragNodesMixin.onMouseMove,
|
||
|
|
/**
|
||
|
|
* Mouse up action, finalizing drag&drop.
|
||
|
|
* @private
|
||
|
|
* @param {Highcharts.Point} point The point that event occured.
|
||
|
|
*/
|
||
|
|
onMouseUp: dragNodesMixin.onMouseUp,
|
||
|
|
/**
|
||
|
|
* When state should be passed down to all points, concat nodes and
|
||
|
|
* links and apply this state to all of them.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
setState: function (state, inherit) {
|
||
|
|
if (inherit) {
|
||
|
|
this.points = this.nodes.concat(this.data);
|
||
|
|
Series.prototype.setState.apply(this, arguments);
|
||
|
|
this.points = this.data;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
Series.prototype.setState.apply(this, arguments);
|
||
|
|
}
|
||
|
|
// If simulation is done, re-render points with new states:
|
||
|
|
if (!this.layout.simulation && !state) {
|
||
|
|
this.render();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}, {
|
||
|
|
setState: H.NodesMixin.setNodeState,
|
||
|
|
/**
|
||
|
|
* Basic `point.init()` and additional styles applied when
|
||
|
|
* `series.draggable` is enabled.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
init: function () {
|
||
|
|
Point.prototype.init.apply(this, arguments);
|
||
|
|
if (this.series.options.draggable &&
|
||
|
|
!this.series.chart.styledMode) {
|
||
|
|
addEvent(this, 'mouseOver', function () {
|
||
|
|
css(this.series.chart.container, { cursor: 'move' });
|
||
|
|
});
|
||
|
|
addEvent(this, 'mouseOut', function () {
|
||
|
|
css(this.series.chart.container, { cursor: 'default' });
|
||
|
|
});
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* Return degree of a node. If node has no connections, it still has
|
||
|
|
* deg=1.
|
||
|
|
* @private
|
||
|
|
* @return {number}
|
||
|
|
*/
|
||
|
|
getDegree: function () {
|
||
|
|
var deg = this.isNode ?
|
||
|
|
this.linksFrom.length + this.linksTo.length :
|
||
|
|
0;
|
||
|
|
return deg === 0 ? 1 : deg;
|
||
|
|
},
|
||
|
|
// Links:
|
||
|
|
/**
|
||
|
|
* Get presentational attributes of link connecting two nodes.
|
||
|
|
* @private
|
||
|
|
* @return {Highcharts.SVGAttributes}
|
||
|
|
*/
|
||
|
|
getLinkAttributes: function () {
|
||
|
|
var linkOptions = this.series.options.link, pointOptions = this.options;
|
||
|
|
return {
|
||
|
|
'stroke-width': pick(pointOptions.width, linkOptions.width),
|
||
|
|
stroke: (pointOptions.color || linkOptions.color),
|
||
|
|
dashstyle: (pointOptions.dashStyle || linkOptions.dashStyle),
|
||
|
|
opacity: pick(pointOptions.opacity, linkOptions.opacity, 1)
|
||
|
|
};
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* Render link and add it to the DOM.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
renderLink: function () {
|
||
|
|
var attribs;
|
||
|
|
if (!this.graphic) {
|
||
|
|
this.graphic = this.series.chart.renderer
|
||
|
|
.path(this.getLinkPath())
|
||
|
|
.add(this.series.group);
|
||
|
|
if (!this.series.chart.styledMode) {
|
||
|
|
attribs = this.series.pointAttribs(this);
|
||
|
|
this.graphic.attr(attribs);
|
||
|
|
(this.dataLabels || []).forEach(function (label) {
|
||
|
|
if (label) {
|
||
|
|
label.attr({
|
||
|
|
opacity: attribs.opacity
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* Redraw link's path.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
redrawLink: function () {
|
||
|
|
var path = this.getLinkPath(), attribs;
|
||
|
|
if (this.graphic) {
|
||
|
|
this.shapeArgs = {
|
||
|
|
d: path
|
||
|
|
};
|
||
|
|
if (!this.series.chart.styledMode) {
|
||
|
|
attribs = this.series.pointAttribs(this);
|
||
|
|
this.graphic.attr(attribs);
|
||
|
|
(this.dataLabels || []).forEach(function (label) {
|
||
|
|
if (label) {
|
||
|
|
label.attr({
|
||
|
|
opacity: attribs.opacity
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
this.graphic.animate(this.shapeArgs);
|
||
|
|
// Required for dataLabels
|
||
|
|
var start = path[0];
|
||
|
|
var end = path[1];
|
||
|
|
if (start[0] === 'M' && end[0] === 'L') {
|
||
|
|
this.plotX = (start[1] + end[1]) / 2;
|
||
|
|
this.plotY = (start[2] + end[2]) / 2;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* Get mass fraction applied on two nodes connected to each other. By
|
||
|
|
* default, when mass is equal to `1`, mass fraction for both nodes
|
||
|
|
* equal to 0.5.
|
||
|
|
* @private
|
||
|
|
* @return {Highcharts.Dictionary<number>}
|
||
|
|
* For example `{ fromNode: 0.5, toNode: 0.5 }`
|
||
|
|
*/
|
||
|
|
getMass: function () {
|
||
|
|
var m1 = this.fromNode.mass, m2 = this.toNode.mass, sum = m1 + m2;
|
||
|
|
return {
|
||
|
|
fromNode: 1 - m1 / sum,
|
||
|
|
toNode: 1 - m2 / sum
|
||
|
|
};
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* Get link path connecting two nodes.
|
||
|
|
* @private
|
||
|
|
* @return {Array<Highcharts.SVGPathArray>}
|
||
|
|
* Path: `['M', x, y, 'L', x, y]`
|
||
|
|
*/
|
||
|
|
getLinkPath: function () {
|
||
|
|
var left = this.fromNode, right = this.toNode;
|
||
|
|
// Start always from left to the right node, to prevent rendering
|
||
|
|
// labels upside down
|
||
|
|
if (left.plotX > right.plotX) {
|
||
|
|
left = this.toNode;
|
||
|
|
right = this.fromNode;
|
||
|
|
}
|
||
|
|
return [
|
||
|
|
['M', left.plotX || 0, left.plotY || 0],
|
||
|
|
['L', right.plotX || 0, right.plotY || 0]
|
||
|
|
];
|
||
|
|
/*
|
||
|
|
IDEA: different link shapes?
|
||
|
|
return [
|
||
|
|
'M',
|
||
|
|
from.plotX,
|
||
|
|
from.plotY,
|
||
|
|
'Q',
|
||
|
|
(to.plotX + from.plotX) / 2,
|
||
|
|
(to.plotY + from.plotY) / 2 + 15,
|
||
|
|
to.plotX,
|
||
|
|
to.plotY
|
||
|
|
];*/
|
||
|
|
},
|
||
|
|
isValid: function () {
|
||
|
|
return !this.isNode || defined(this.id);
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* Common method for removing points and nodes in networkgraph. To
|
||
|
|
* remove `link`, use `series.data[index].remove()`. To remove `node`
|
||
|
|
* with all connections, use `series.nodes[index].remove()`.
|
||
|
|
* @private
|
||
|
|
* @param {boolean} [redraw=true]
|
||
|
|
* Whether to redraw the chart or wait for an explicit call. When
|
||
|
|
* doing more operations on the chart, for example running
|
||
|
|
* `point.remove()` in a loop, it is best practice to set
|
||
|
|
* `redraw` to false and call `chart.redraw()` after.
|
||
|
|
* @param {boolean|Highcharts.AnimationOptionsObject} [animation=false]
|
||
|
|
* Whether to apply animation, and optionally animation
|
||
|
|
* configuration.
|
||
|
|
* @return {void}
|
||
|
|
*/
|
||
|
|
remove: function (redraw, animation) {
|
||
|
|
var point = this, series = point.series, nodesOptions = series.options.nodes || [], index, i = nodesOptions.length;
|
||
|
|
// For nodes, remove all connected links:
|
||
|
|
if (point.isNode) {
|
||
|
|
// Temporary disable series.points array, because
|
||
|
|
// Series.removePoint() modifies it
|
||
|
|
series.points = [];
|
||
|
|
// Remove link from all nodes collections:
|
||
|
|
[]
|
||
|
|
.concat(point.linksFrom)
|
||
|
|
.concat(point.linksTo)
|
||
|
|
.forEach(function (linkFromTo) {
|
||
|
|
// Incoming links
|
||
|
|
index = linkFromTo.fromNode.linksFrom.indexOf(linkFromTo);
|
||
|
|
if (index > -1) {
|
||
|
|
linkFromTo.fromNode.linksFrom.splice(index, 1);
|
||
|
|
}
|
||
|
|
// Outcoming links
|
||
|
|
index = linkFromTo.toNode.linksTo.indexOf(linkFromTo);
|
||
|
|
if (index > -1) {
|
||
|
|
linkFromTo.toNode.linksTo.splice(index, 1);
|
||
|
|
}
|
||
|
|
// Remove link from data/points collections
|
||
|
|
Series.prototype.removePoint.call(series, series.data.indexOf(linkFromTo), false, false);
|
||
|
|
});
|
||
|
|
// Restore points array, after links are removed
|
||
|
|
series.points = series.data.slice();
|
||
|
|
// Proceed with removing node. It's similar to
|
||
|
|
// Series.removePoint() method, but doesn't modify other arrays
|
||
|
|
series.nodes.splice(series.nodes.indexOf(point), 1);
|
||
|
|
// Remove node options from config
|
||
|
|
while (i--) {
|
||
|
|
if (nodesOptions[i].id === point.options.id) {
|
||
|
|
series.options.nodes.splice(i, 1);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (point) {
|
||
|
|
point.destroy();
|
||
|
|
}
|
||
|
|
// Run redraw if requested
|
||
|
|
series.isDirty = true;
|
||
|
|
series.isDirtyData = true;
|
||
|
|
if (redraw) {
|
||
|
|
series.chart.redraw(redraw);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
series.removePoint(series.data.indexOf(point), redraw, animation);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* Destroy point. If it's a node, remove all links coming out of this
|
||
|
|
* node. Then remove point from the layout.
|
||
|
|
* @private
|
||
|
|
* @return {void}
|
||
|
|
*/
|
||
|
|
destroy: function () {
|
||
|
|
if (this.isNode) {
|
||
|
|
this.linksFrom.concat(this.linksTo).forEach(function (link) {
|
||
|
|
// Removing multiple nodes at the same time
|
||
|
|
// will try to remove link between nodes twice
|
||
|
|
if (link.destroyElements) {
|
||
|
|
link.destroyElements();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
this.series.layout.removeElementFromCollection(this, this.series.layout[this.isNode ? 'nodes' : 'links']);
|
||
|
|
return Point.prototype.destroy.apply(this, arguments);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
/**
|
||
|
|
* A `networkgraph` series. If the [type](#series.networkgraph.type) option is
|
||
|
|
* not specified, it is inherited from [chart.type](#chart.type).
|
||
|
|
*
|
||
|
|
* @extends series,plotOptions.networkgraph
|
||
|
|
* @excluding boostThreshold, animation, animationLimit, connectEnds,
|
||
|
|
* connectNulls, dragDrop, getExtremesFromAll, label, linecap,
|
||
|
|
* negativeColor, pointInterval, pointIntervalUnit,
|
||
|
|
* pointPlacement, pointStart, softThreshold, stack, stacking,
|
||
|
|
* step, threshold, xAxis, yAxis, zoneAxis, dataSorting
|
||
|
|
* @product highcharts
|
||
|
|
* @requires modules/networkgraph
|
||
|
|
* @apioption series.networkgraph
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* An array of data points for the series. For the `networkgraph` series type,
|
||
|
|
* points can be given in the following way:
|
||
|
|
*
|
||
|
|
* An array of objects with named values. The following snippet shows only a
|
||
|
|
* few settings, see the complete options set below. If the total number of
|
||
|
|
* data points exceeds the series'
|
||
|
|
* [turboThreshold](#series.area.turboThreshold), this option is not available.
|
||
|
|
*
|
||
|
|
* ```js
|
||
|
|
* data: [{
|
||
|
|
* from: 'Category1',
|
||
|
|
* to: 'Category2'
|
||
|
|
* }, {
|
||
|
|
* from: 'Category1',
|
||
|
|
* to: 'Category3'
|
||
|
|
* }]
|
||
|
|
* ```
|
||
|
|
*
|
||
|
|
* @type {Array<Object|Array|Number>}
|
||
|
|
* @extends series.line.data
|
||
|
|
* @excluding drilldown,marker,x,y,draDrop
|
||
|
|
* @sample {highcharts} highcharts/chart/reflow-true/
|
||
|
|
* Numerical values
|
||
|
|
* @sample {highcharts} highcharts/series/data-array-of-arrays/
|
||
|
|
* Arrays of numeric x and y
|
||
|
|
* @sample {highcharts} highcharts/series/data-array-of-arrays-datetime/
|
||
|
|
* Arrays of datetime x and y
|
||
|
|
* @sample {highcharts} highcharts/series/data-array-of-name-value/
|
||
|
|
* Arrays of point.name and y
|
||
|
|
* @sample {highcharts} highcharts/series/data-array-of-objects/
|
||
|
|
* Config objects
|
||
|
|
* @product highcharts
|
||
|
|
* @apioption series.networkgraph.data
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* @type {Highcharts.SeriesNetworkgraphDataLabelsOptionsObject|Array<Highcharts.SeriesNetworkgraphDataLabelsOptionsObject>}
|
||
|
|
* @product highcharts
|
||
|
|
* @apioption series.networkgraph.data.dataLabels
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* The node that the link runs from.
|
||
|
|
*
|
||
|
|
* @type {string}
|
||
|
|
* @product highcharts
|
||
|
|
* @apioption series.networkgraph.data.from
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* The node that the link runs to.
|
||
|
|
*
|
||
|
|
* @type {string}
|
||
|
|
* @product highcharts
|
||
|
|
* @apioption series.networkgraph.data.to
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* A collection of options for the individual nodes. The nodes in a
|
||
|
|
* networkgraph diagram are auto-generated instances of `Highcharts.Point`,
|
||
|
|
* but options can be applied here and linked by the `id`.
|
||
|
|
*
|
||
|
|
* @sample highcharts/series-networkgraph/data-options/
|
||
|
|
* Networkgraph diagram with node options
|
||
|
|
*
|
||
|
|
* @type {Array<*>}
|
||
|
|
* @product highcharts
|
||
|
|
* @apioption series.networkgraph.nodes
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* The id of the auto-generated node, refering to the `from` or `to` setting of
|
||
|
|
* the link.
|
||
|
|
*
|
||
|
|
* @type {string}
|
||
|
|
* @product highcharts
|
||
|
|
* @apioption series.networkgraph.nodes.id
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* The color of the auto generated node.
|
||
|
|
*
|
||
|
|
* @type {Highcharts.ColorString}
|
||
|
|
* @product highcharts
|
||
|
|
* @apioption series.networkgraph.nodes.color
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* The color index of the auto generated node, especially for use in styled
|
||
|
|
* mode.
|
||
|
|
*
|
||
|
|
* @type {number}
|
||
|
|
* @product highcharts
|
||
|
|
* @apioption series.networkgraph.nodes.colorIndex
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* The name to display for the node in data labels and tooltips. Use this when
|
||
|
|
* the name is different from the `id`. Where the id must be unique for each
|
||
|
|
* node, this is not necessary for the name.
|
||
|
|
*
|
||
|
|
* @sample highcharts/series-networkgraph/data-options/
|
||
|
|
* Networkgraph diagram with node options
|
||
|
|
*
|
||
|
|
* @type {string}
|
||
|
|
* @product highcharts
|
||
|
|
* @apioption series.networkgraph.nodes.name
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* Mass of the node. By default, each node has mass equal to it's marker radius
|
||
|
|
* . Mass is used to determine how two connected nodes should affect
|
||
|
|
* each other:
|
||
|
|
*
|
||
|
|
* Attractive force is multiplied by the ratio of two connected
|
||
|
|
* nodes; if a big node has weights twice as the small one, then the small one
|
||
|
|
* will move towards the big one twice faster than the big one to the small one
|
||
|
|
* .
|
||
|
|
*
|
||
|
|
* @sample highcharts/series-networkgraph/ragdoll/
|
||
|
|
* Mass determined by marker.radius
|
||
|
|
*
|
||
|
|
* @type {number}
|
||
|
|
* @product highcharts
|
||
|
|
* @apioption series.networkgraph.nodes.mass
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* Individual data label for each node. The options are the same as
|
||
|
|
* the ones for [series.networkgraph.dataLabels](#series.networkgraph.dataLabels).
|
||
|
|
*
|
||
|
|
* @type {Highcharts.SeriesNetworkgraphDataLabelsOptionsObject|Array<Highcharts.SeriesNetworkgraphDataLabelsOptionsObject>}
|
||
|
|
*
|
||
|
|
* @apioption series.networkgraph.nodes.dataLabels
|
||
|
|
*/
|
||
|
|
''; // adds doclets above to transpiled file
|