/* *
 *
 *  Networkgraph series
 *
 *  (c) 2010-2021 Paweł Fus
 *
 *  License: www.highcharts.com/license
 *
 *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
 *
 * */
'use strict';
/* *
 *
 *  Constants
 *
 * */
/**
 * A networkgraph is a type of relationship chart, where connnections
 * (links) attracts nodes (points) and other nodes repulse each other.
 *
 * @extends      plotOptions.line
 * @product      highcharts
 * @sample       highcharts/demo/network-graph/
 *               Networkgraph
 * @since        7.0.0
 * @excluding    boostThreshold, animation, animationLimit, connectEnds,
 *               colorAxis, colorKey, connectNulls, cropThreshold, dragDrop,
 *               getExtremesFromAll, label, linecap, negativeColor,
 *               pointInterval, pointIntervalUnit, pointPlacement,
 *               pointStart, softThreshold, stack, stacking, step,
 *               threshold, xAxis, yAxis, zoneAxis, dataSorting,
 *               boostBlending
 * @requires     modules/networkgraph
 * @optionparent plotOptions.networkgraph
 *
 * @private
 */
var NetworkgraphSeriesDefaults = {
    stickyTracking: false,
    /**
     * @ignore-option
     * @private
     */
    inactiveOtherPoints: true,
    marker: {
        enabled: true,
        states: {
            /**
             * The opposite state of a hover for a single point node.
             * Applied to all not connected nodes to the hovered one.
             *
             * @declare Highcharts.PointStatesInactiveOptionsObject
             */
            inactive: {
                /**
                 * Opacity of inactive markers.
                 */
                opacity: 0.3,
                /**
                 * Animation when not hovering over the node.
                 *
                 * @type {boolean|Partial<Highcharts.AnimationOptionsObject>}
                 */
                animation: {
                    /** @internal */
                    duration: 50
                }
            }
        }
    },
    states: {
        /**
         * The opposite state of a hover for a single point link. Applied
         * to all links that are not comming from the hovered node.
         *
         * @declare Highcharts.SeriesStatesInactiveOptionsObject
         */
        inactive: {
            /**
             * Opacity of inactive links.
             */
            linkOpacity: 0.3,
            /**
             * Animation when not hovering over the node.
             *
             * @type {boolean|Partial<Highcharts.AnimationOptionsObject>}
             */
            animation: {
                /** @internal */
                duration: 50
            }
        }
    },
    /**
     * @sample highcharts/series-networkgraph/link-datalabels
     *         Networkgraph with labels on links
     * @sample highcharts/series-networkgraph/textpath-datalabels
     *         Networkgraph with labels around nodes
     * @sample highcharts/series-networkgraph/link-datalabels
     *         Data labels moved into the nodes
     * @sample highcharts/series-networkgraph/link-datalabels
     *         Data labels moved under the links
     *
     * @declare Highcharts.SeriesNetworkgraphDataLabelsOptionsObject
     *
     * @private
     */
    dataLabels: {
        /**
         * The
         * [format string](https://www.highcharts.com/docs/chart-concepts/labels-and-string-formatting)
         * specifying what to show for _node_ in the networkgraph. In v7.0
         * defaults to `{key}`, since v7.1 defaults to `undefined` and
         * `formatter` is used instead.
         *
         * @type      {string}
         * @since     7.0.0
         * @apioption plotOptions.networkgraph.dataLabels.format
         */
        // eslint-disable-next-line valid-jsdoc
        /**
         * Callback JavaScript function to format the data label for a node.
         * Note that if a `format` is defined, the format takes precedence
         * and the formatter is ignored.
         *
         * @type  {Highcharts.SeriesNetworkgraphDataLabelsFormatterCallbackFunction}
         * @since 7.0.0
         */
        formatter: function () {
            return this.key;
        },
        /**
         * The
         * [format string](https://www.highcharts.com/docs/chart-concepts/labels-and-string-formatting)
         * specifying what to show for _links_ in the networkgraph.
         * (Default: `undefined`)
         *
         * @type      {string}
         * @since     7.1.0
         * @apioption plotOptions.networkgraph.dataLabels.linkFormat
         */
        // eslint-disable-next-line valid-jsdoc
        /**
         * Callback to format data labels for _links_ in the sankey diagram.
         * The `linkFormat` option takes precedence over the
         * `linkFormatter`.
         *
         * @type  {Highcharts.SeriesNetworkgraphDataLabelsFormatterCallbackFunction}
         * @since 7.1.0
         */
        linkFormatter: function () {
            return (this.point.fromNode.name +
                '<br>' +
                this.point.toNode.name);
        },
        /**
         * Options for a _link_ label text which should follow link
         * connection. Border and background are disabled for a label that
         * follows a path.
         *
         * **Note:** Only SVG-based renderer supports this option. Setting
         * `useHTML` to true will disable this option.
         *
         * @extends plotOptions.networkgraph.dataLabels.textPath
         * @since   7.1.0
         */
        linkTextPath: {
            enabled: true
        },
        textPath: {
            enabled: false
        },
        style: {
            transition: 'opacity 2000ms'
        }
    },
    /**
     * Link style options
     * @private
     */
    link: {
        /**
         * A name for the dash style to use for links.
         *
         * @type      {string}
         * @apioption plotOptions.networkgraph.link.dashStyle
         */
        /**
         * Opacity of the link between two nodes.
         *
         * @type      {number}
         * @default   1
         * @apioption plotOptions.networkgraph.link.opacity
         */
        /**
         * Color of the link between two nodes.
         */
        color: 'rgba(100, 100, 100, 0.5)',
        /**
         * Width (px) of the link between two nodes.
         */
        width: 1
    },
    /**
     * Flag to determine if nodes are draggable or not.
     * @private
     */
    draggable: true,
    layoutAlgorithm: {
        /**
         * Repulsive force applied on a node. Passed are two arguments:
         * - `d` - which is current distance between two nodes
         * - `k` - which is desired distance between two nodes
         *
         * In `verlet` integration, defaults to:
         * `function (d, k) { return (k - d) / d * (k > d ? 1 : 0) }`
         *
         * @see [layoutAlgorithm.integration](#series.networkgraph.layoutAlgorithm.integration)
         *
         * @sample highcharts/series-networkgraph/forces/
         *         Custom forces with Euler integration
         * @sample highcharts/series-networkgraph/cuboids/
         *         Custom forces with Verlet integration
         *
         * @type      {Function}
         * @default   function (d, k) { return k * k / d; }
         * @apioption plotOptions.networkgraph.layoutAlgorithm.repulsiveForce
         */
        /**
         * Attraction force applied on a node which is conected to another
         * node by a link. Passed are two arguments:
         * - `d` - which is current distance between two nodes
         * - `k` - which is desired distance between two nodes
         *
         * In `verlet` integration, defaults to:
         * `function (d, k) { return (k - d) / d; }`
         *
         * @see [layoutAlgorithm.integration](#series.networkgraph.layoutAlgorithm.integration)
         *
         * @sample highcharts/series-networkgraph/forces/
         *         Custom forces with Euler integration
         * @sample highcharts/series-networkgraph/cuboids/
         *         Custom forces with Verlet integration
         *
         * @type      {Function}
         * @default   function (d, k) { return k * k / d; }
         * @apioption plotOptions.networkgraph.layoutAlgorithm.attractiveForce
         */
        /**
         * Ideal length (px) of the link between two nodes. When not
         * defined, length is calculated as:
         * `Math.pow(availableWidth * availableHeight / nodesLength, 0.4);`
         *
         * Note: Because of the algorithm specification, length of each link
         * might be not exactly as specified.
         *
         * @sample highcharts/series-networkgraph/styled-links/
         *         Numerical values
         *
         * @type      {number}
         * @apioption plotOptions.networkgraph.layoutAlgorithm.linkLength
         */
        /**
         * Initial layout algorithm for positioning nodes. Can be one of
         * built-in options ("circle", "random") or a function where
         * positions should be set on each node (`this.nodes`) as
         * `node.plotX` and `node.plotY`
         *
         * @sample highcharts/series-networkgraph/initial-positions/
         *         Initial positions with callback
         *
         * @type {"circle"|"random"|Function}
         */
        initialPositions: 'circle',
        /**
         * When `initialPositions` are set to 'circle',
         * `initialPositionRadius` is a distance from the center of circle,
         * in which nodes are created.
         *
         * @type    {number}
         * @default 1
         * @since   7.1.0
         */
        initialPositionRadius: 1,
        /**
         * Experimental. Enables live simulation of the algorithm
         * implementation. All nodes are animated as the forces applies on
         * them.
         *
         * @sample highcharts/demo/network-graph/
         *         Live simulation enabled
         */
        enableSimulation: false,
        /**
         * Barnes-Hut approximation only.
         * Deteremines when distance between cell and node is small enough
         * to caculate forces. Value of `theta` is compared directly with
         * quotient `s / d`, where `s` is the size of the cell, and `d` is
         * distance between center of cell's mass and currently compared
         * node.
         *
         * @see [layoutAlgorithm.approximation](#series.networkgraph.layoutAlgorithm.approximation)
         *
         * @since 7.1.0
         */
        theta: 0.5,
        /**
         * Verlet integration only.
         * Max speed that node can get in one iteration. In terms of
         * simulation, it's a maximum translation (in pixels) that node can
         * move (in both, x and y, dimensions). While `friction` is applied
         * on all nodes, max speed is applied only for nodes that move very
         * fast, for example small or disconnected ones.
         *
         * @see [layoutAlgorithm.integration](#series.networkgraph.layoutAlgorithm.integration)
         * @see [layoutAlgorithm.friction](#series.networkgraph.layoutAlgorithm.friction)
         *
         * @since 7.1.0
         */
        maxSpeed: 10,
        /**
         * Approximation used to calculate repulsive forces affecting nodes.
         * By default, when calculateing net force, nodes are compared
         * against each other, which gives O(N^2) complexity. Using
         * Barnes-Hut approximation, we decrease this to O(N log N), but the
         * resulting graph will have different layout. Barnes-Hut
         * approximation divides space into rectangles via quad tree, where
         * forces exerted on nodes are calculated directly for nearby cells,
         * and for all others, cells are treated as a separate node with
         * center of mass.
         *
         * @see [layoutAlgorithm.theta](#series.networkgraph.layoutAlgorithm.theta)
         *
         * @sample highcharts/series-networkgraph/barnes-hut-approximation/
         *         A graph with Barnes-Hut approximation
         *
         * @type       {string}
         * @validvalue ["barnes-hut", "none"]
         * @since      7.1.0
         */
        approximation: 'none',
        /**
         * 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
};
/* *
 *
 *  Default Export
 *
 * */
export default NetworkgraphSeriesDefaults;
/* *
 *
 *  API Options
 *
 * */
/**
 * 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, cropThreshold, dragDrop, getExtremesFromAll, label,
 *            linecap, negativeColor, pointInterval, pointIntervalUnit,
 *            pointPlacement, pointStart, softThreshold, stack, stacking,
 *            step, threshold, xAxis, yAxis, zoneAxis, dataSorting,
 *            boostBlending
 * @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
