1534 lines
46 KiB
JavaScript
1534 lines
46 KiB
JavaScript
/* *
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*
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* (c) 2010-2018 Grzegorz Blachlinski, Sebastian Bochan
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*
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* License: www.highcharts.com/license
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*
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* */
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/**
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* Formatter callback function.
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*
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* @callback Highcharts.PlotPackedBubbleDataLabelsFormatterCallbackFunction
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*
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* @param {Highcharts.PlotPackedBubbleDataLabelsFormatterContextObject|Highcharts.DataLabelsFormatterContextObject} 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.PlotPackedBubbleDataLabelsFormatterContextObject
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* @extends Highcharts.DataLabelsFormatterContextObject
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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.PlotPackedBubbleDataLabelsFormatterContextObject#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.PlotPackedBubbleDataLabelsFormatterContextObject#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.PlotPackedBubbleDataLabelsFormatterContextObject#key
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* @type {string}
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* @since 7.0.0
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*/
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/**
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* Data labels options
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*
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* @interface Highcharts.PlotPackedBubbleDataLabelsOptionsObject
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* @extends Highcharts.DataLabelsOptionsObject
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* @since 7.0.0
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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 defaults to
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* `{key}`, since v7.1 defaults to `undefined` and `formatter` is used instead.
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* @name Highcharts.PlotPackedBubbleDataLabelsOptionsObject#format
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* @type {string}
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* @since 7.0.0
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*//**
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* Callback JavaScript function to format the data label for a node. Note that
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* if a `format` is defined, the format takes precedence and the formatter is
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* ignored.
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* @name Highcharts.PlotPackedBubbleDataLabelsOptionsObject#formatter
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* @type {Highcharts.PlotPackedBubbleDataLabelsFormatterCallbackFunction|undefined}
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* @since 7.0.0
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*//**
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* Callback to format data labels for _parentNodes_. The `parentNodeFormat`
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* option takes precedence over the `parentNodeFormatter`.
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* @name Highcharts.PlotPackedBubbleDataLabelsFormatterContextObject#parentNodeFormatter
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* @type {Highcharts.FormatterCallbackFunction<Highcharts.DataLabelsFormatterContextObject>}
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* @since 7.1.0
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*//**
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* Options for a _parentNode_ label text.
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* @sample highcharts/series-packedbubble/packed-dashboard
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* Dashboard with dataLabels on parentNodes
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* @name Highcharts.PlotPackedBubbleDataLabelsFormatterContextObject#parentNodeTextPath
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* @type {Highcharts.PlotPackedBubbleDataLabelsTextPath}
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* @since 7.1.0
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*//**
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* Options for a _node_ label text which should follow marker's shape.
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* **Note:** Only SVG-based renderer supports this option.
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* @see {@link Highcharts.PlotPackedBubbleDataLabelsTextPath#linkTextPath}
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* @name Highcharts.PlotPackedBubbleDataLabelsOptionsObject#textPath
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* @type {Highcharts.PlotPackedBubbleDataLabelsTextPath}
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* @since 7.1.0
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*/
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/**
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* **Note:** Only SVG-based renderer supports this option.
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*
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* @see {@link Highcharts.PlotNetworkDataLabelsTextPath#linkTextPath}
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* @see {@link Highcharts.PlotNetworkDataLabelsTextPath#textPath}
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*
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* @interface Highcharts.PlotPackedBubbleDataLabelsTextPath
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* @since 7.1.0
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*//**
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* Presentation attributes for the text path.
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* @name Highcharts.PlotPackedBubbleDataLabelsTextPath#attributes
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* @type {Highcharts.SVGAttributes}
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* @since 7.1.0
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*//**
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* Enable or disable `textPath` option for link's or marker's data labels.
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* @name Highcharts.PlotPackedBubbleDataLabelsTextPath#enabled
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* @type {boolean|undefined}
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* @since 7.1.0
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*/
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'use strict';
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import H from '../parts/Globals.js';
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import '../parts/Utilities.js';
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import '../parts/Axis.js';
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import '../parts/Color.js';
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import '../parts/Point.js';
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import '../parts/Series.js';
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import '../modules/networkgraph/layouts.js';
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import '../modules/networkgraph/draggable-nodes.js';
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var seriesType = H.seriesType,
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Series = H.Series,
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Point = H.Point,
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defined = H.defined,
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pick = H.pick,
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addEvent = H.addEvent,
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Chart = H.Chart,
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color = H.Color,
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Reingold = H.layouts['reingold-fruchterman'],
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NetworkPoint = H.seriesTypes.bubble.prototype.pointClass,
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dragNodesMixin = H.dragNodesMixin;
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H.networkgraphIntegrations.packedbubble = {
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repulsiveForceFunction: function (d, k, node, repNode) {
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return Math.min(d, (node.marker.radius + repNode.marker.radius) / 2);
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},
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barycenter: function () {
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var layout = this,
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gravitationalConstant = layout.options.gravitationalConstant,
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box = layout.box,
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nodes = layout.nodes,
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centerX,
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centerY;
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nodes.forEach(function (node) {
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if (layout.options.splitSeries && !node.isParentNode) {
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centerX = node.series.parentNode.plotX;
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centerY = node.series.parentNode.plotY;
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} else {
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centerX = box.width / 2;
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centerY = box.height / 2;
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}
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if (!node.fixedPosition) {
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node.plotX -= (node.plotX - centerX) *
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gravitationalConstant /
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(node.mass * Math.sqrt(nodes.length));
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node.plotY -= (node.plotY - centerY) *
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gravitationalConstant /
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(node.mass * Math.sqrt(nodes.length));
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}
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});
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},
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repulsive: function (node, force, distanceXY, repNode) {
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var factor = force * this.diffTemperature / node.mass / node.degree,
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x = distanceXY.x * factor,
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y = distanceXY.y * factor;
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if (!node.fixedPosition) {
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node.plotX += x;
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node.plotY += y;
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}
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if (!repNode.fixedPosition) {
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repNode.plotX -= x;
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repNode.plotY -= y;
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}
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},
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integrate: H.networkgraphIntegrations.verlet.integrate,
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getK: H.noop
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};
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H.layouts.packedbubble = H.extendClass(
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Reingold,
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{
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beforeStep: function () {
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if (this.options.marker) {
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this.series.forEach(function (series) {
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if (series) {
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series.translate();
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series.drawPoints();
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}
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});
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}
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},
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setCircularPositions: function () {
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var layout = this,
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box = layout.box,
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nodes = layout.nodes,
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nodesLength = nodes.length + 1,
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angle = 2 * Math.PI / nodesLength,
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centerX,
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centerY,
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radius = layout.options.initialPositionRadius;
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nodes.forEach(function (node, index) {
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if (
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layout.options.splitSeries &&
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!node.isParentNode
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) {
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centerX = node.series.parentNode.plotX;
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centerY = node.series.parentNode.plotY;
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} else {
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centerX = box.width / 2;
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centerY = box.height / 2;
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}
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node.plotX = node.prevX = pick(
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node.plotX,
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centerX +
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radius * Math.cos(node.index || index * angle)
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);
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node.plotY = node.prevY =
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pick(
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node.plotY,
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centerY +
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radius * Math.sin(node.index || index * angle)
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);
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node.dispX = 0;
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node.dispY = 0;
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});
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},
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repulsiveForces: function () {
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var layout = this,
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force,
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distanceR,
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distanceXY,
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bubblePadding = layout.options.bubblePadding;
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layout.nodes.forEach(function (node) {
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node.degree = node.mass;
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node.neighbours = 0;
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layout.nodes.forEach(function (repNode) {
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force = 0;
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if (
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// Node can not repulse itself:
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node !== repNode &&
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// Only close nodes affect each other:
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// Not dragged:
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!node.fixedPosition &&
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(
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layout.options.seriesInteraction ||
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node.series === repNode.series
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)
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) {
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distanceXY = layout.getDistXY(node, repNode);
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distanceR = (
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layout.vectorLength(distanceXY) -
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(
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node.marker.radius +
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repNode.marker.radius +
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bubblePadding
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)
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);
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// TODO padding configurable
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if (distanceR < 0) {
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node.degree += 0.01;
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node.neighbours++;
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force = layout.repulsiveForce(
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-distanceR / Math.sqrt(node.neighbours),
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layout.k,
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node,
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repNode
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);
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}
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layout.force(
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'repulsive',
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node,
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force * repNode.mass,
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distanceXY,
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repNode,
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distanceR
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);
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}
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});
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});
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},
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applyLimitBox: function (node) {
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var layout = this,
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distanceXY,
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distanceR,
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factor = 0.01;
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// parentNodeLimit should be used together
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// with seriesInteraction: false
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if (
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layout.options.splitSeries &&
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!node.isParentNode &&
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layout.options.parentNodeLimit
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) {
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distanceXY = layout.getDistXY(node, node.series.parentNode);
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distanceR = (
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node.series.parentNodeRadius -
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node.marker.radius -
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layout.vectorLength(distanceXY)
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);
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if (distanceR < 0 && distanceR > -2 * node.marker.radius) {
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node.plotX -= distanceXY.x * factor;
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node.plotY -= distanceXY.y * factor;
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}
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}
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Reingold.prototype.applyLimitBox.apply(this, arguments);
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},
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isStable: function () {
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return Math.abs(
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this.systemTemperature -
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this.prevSystemTemperature
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) < 0.00001 ||
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this.temperature <= 0 ||
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(
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// In first iteration system does not move:
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this.systemTemperature > 0 &&
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this.systemTemperature / this.nodes.length < 0.01
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);
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}
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}
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);
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/**
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* @private
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* @class
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* @name Highcharts.seriesTypes.packedbubble
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*
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* @extends Highcharts.Series
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*/
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seriesType(
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'packedbubble',
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'bubble',
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/**
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* A packed bubble series is a two dimensional series type, where each point
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* renders a value in X, Y position. Each point is drawn as a bubble
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* where the bubbles don't overlap with each other and the radius
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* of the bubble relates to the value.
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* Requires `highcharts-more.js`.
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*
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* @sample highcharts/demo/packed-bubble/
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* Packed bubble chart
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* @sample highcharts/demo/packed-bubble-split/
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* Split packed bubble chart
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* @extends plotOptions.bubble
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* @excluding connectEnds, connectNulls, jitter, keys, pointPlacement,
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* sizeByAbsoluteValue, step, xAxis, yAxis, zMax, zMin
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* @product highcharts
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* @since 7.0.0
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* @optionparent plotOptions.packedbubble
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*/
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{
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/**
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* Minimum bubble size. Bubbles will automatically size between the
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* `minSize` and `maxSize` to reflect the `z` value of each bubble.
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* Can be either pixels (when no unit is given), or a percentage of
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* the smallest one of the plot width and height, divided by the square
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* root of total number of points.
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*
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* @sample highcharts/plotoptions/bubble-size/
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* Bubble size
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*
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* @type {number|string}
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*
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* @private
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*/
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minSize: '10%',
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/**
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* Maximum bubble size. Bubbles will automatically size between the
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* `minSize` and `maxSize` to reflect the `z` value of each bubble.
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* Can be either pixels (when no unit is given), or a percentage of
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* the smallest one of the plot width and height, divided by the square
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* root of total number of points.
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*
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* @sample highcharts/plotoptions/bubble-size/
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* Bubble size
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*
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* @type {number|string}
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*
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* @private
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*/
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maxSize: '50%',
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sizeBy: 'area',
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zoneAxis: 'y',
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tooltip: {
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pointFormat: 'Value: {point.value}'
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},
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/**
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* Flag to determine if nodes are draggable or not. Available for
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* graph with useSimulation set to true only.
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*
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* @since 7.1.0
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*
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* @private
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*/
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draggable: true,
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/**
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* An option is giving a possibility to choose between using simulation
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* for calculating bubble positions. These reflects in both animation
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* and final position of bubbles. Simulation is also adding options to
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* the series graph based on used layout. In case of big data sets, with
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* any performance issues, it is possible to disable animation and pack
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* bubble in a simple circular way.
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*
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* @sample highcharts/series-packedbubble/spiral/
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* useSimulation set to false
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*
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* @since 7.1.0
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*
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* @private
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*/
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useSimulation: true,
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/**
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* @type {Highcharts.PlotPackedBubbleDataLabelsOptionsObject}
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*
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* @private
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*/
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dataLabels: {
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/** @ignore-option */
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formatter: function () {
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return this.point.value;
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},
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/** @ignore-option */
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parentNodeFormatter: function () {
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return this.name;
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},
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/** @ignore-option */
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parentNodeTextPath: {
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enabled: true
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},
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/** @ignore-option */
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padding: 0
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},
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/**
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* Options for layout algorithm when simulation is enabled. Inside there
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* are options to change the speed, padding, initial bubbles positions
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* and more.
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*
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* @extends plotOptions.networkgraph.layoutAlgorithm
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* @excluding approximation, attractiveForce, repulsiveForce, theta
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* @since 7.1.0
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*
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* @private
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*/
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layoutAlgorithm: {
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/**
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* Initial layout algorithm for positioning nodes. Can be one of
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* the 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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* @sample highcharts/series-packedbubble/initial-radius/
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* Initial radius set to 200
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*
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* @extends plotOptions.networkgraph.layoutAlgorithm.initialPositionRadius
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* @excluding states
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*/
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initialPositionRadius: 20,
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/**
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* The distance between two bubbles, when the algorithm starts to
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* treat two bubbles as overlapping. The `bubblePadding` is also the
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* expected distance between all the bubbles on simulation end.
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*/
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bubblePadding: 5,
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/**
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* Whether bubbles should interact with their parentNode to keep
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* them inside.
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*/
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parentNodeLimit: false,
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/**
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* Whether series should interact with each other or not. When
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* `parentNodeLimit` is set to true, thi option should be set to
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* false to avoid sticking points in wrong series parentNode.
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*/
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seriesInteraction: true,
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/**
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* In case of split series, this option allows user to drag and
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* drop points between series, for changing point related series.
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*
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* @sample highcharts/series-packedbubble/packed-dashboard/
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* Example of drag'n drop bubbles for bubble kanban
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*/
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dragBetweenSeries: false,
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/**
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* Layout algorithm options for parent nodes.
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*
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* @extends plotOptions.networkgraph.layoutAlgorithm
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* @excluding approximation, attractiveForce, enableSimulation,
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* repulsiveForce, theta
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*/
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parentNodeOptions: {
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maxIterations: 400,
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gravitationalConstant: 0.03,
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maxSpeed: 50,
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initialPositionRadius: 100,
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seriesInteraction: true,
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/**
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* Styling options for parentNodes markers. Similar to
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* line.marker options.
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*
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* @sample highcharts/series-packedbubble/parentnode-style/
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* Bubble size
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*
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* @extends plotOptions.line.marker
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* @excluding states
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*/
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marker: {
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fillColor: null,
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fillOpacity: 1,
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lineWidth: 1,
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lineColor: null,
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symbol: 'circle'
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}
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},
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enableSimulation: true,
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/**
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* Type of the algorithm used when positioning bubbles.
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* @ignore-option
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*/
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type: 'packedbubble',
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/**
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* Integration type. Integration determines how forces are applied
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* on particles. The `packedbubble` integration is based on
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* the networkgraph `verlet` integration, where the new position
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* is based on a previous position without velocity:
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* `newPosition += previousPosition - newPosition`.
|
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*
|
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* @sample highcharts/series-networkgraph/forces/
|
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*
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* @ignore-option
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*/
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integration: 'packedbubble',
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maxIterations: 1000,
|
|
/**
|
|
* Whether to split series into individual groups or to mix all
|
|
* series together.
|
|
*
|
|
* @since 7.1.0
|
|
* @default false
|
|
*/
|
|
splitSeries: false,
|
|
/**
|
|
* Max speed that node can get in one iteration. In terms of
|
|
* simulation, it's a maximum translation (in pixels) that a 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)
|
|
*/
|
|
maxSpeed: 5,
|
|
gravitationalConstant: 0.01,
|
|
friction: -0.981
|
|
}
|
|
}, {
|
|
/**
|
|
* An internal option used for allowing nodes dragging.
|
|
* @private
|
|
*/
|
|
hasDraggableNodes: true,
|
|
/**
|
|
* Array of internal forces. Each force should be later defined in
|
|
* integrations.js.
|
|
* @private
|
|
*/
|
|
forces: ['barycenter', 'repulsive'],
|
|
pointArrayMap: ['value'],
|
|
pointValKey: 'value',
|
|
isCartesian: false,
|
|
axisTypes: [],
|
|
noSharedTooltip: true,
|
|
/**
|
|
* Create a single array of all points from all series
|
|
* @private
|
|
* @param {Array} Array of all series objects
|
|
* @return {Array} Returns the array of all points.
|
|
*/
|
|
accumulateAllPoints: function (series) {
|
|
|
|
var chart = series.chart,
|
|
allDataPoints = [],
|
|
i, j;
|
|
|
|
for (i = 0; i < chart.series.length; i++) {
|
|
|
|
series = chart.series[i];
|
|
|
|
if (series.visible || !chart.options.chart.ignoreHiddenSeries) {
|
|
|
|
// add data to array only if series is visible
|
|
for (j = 0; j < series.yData.length; j++) {
|
|
allDataPoints.push([
|
|
null, null,
|
|
series.yData[j],
|
|
series.index,
|
|
j,
|
|
{
|
|
id: j,
|
|
marker: {
|
|
radius: 0
|
|
}
|
|
}
|
|
]);
|
|
}
|
|
}
|
|
}
|
|
|
|
return allDataPoints;
|
|
},
|
|
init: function () {
|
|
|
|
Series.prototype.init.apply(this, arguments);
|
|
|
|
// When one series is modified, the others need to be recomputed
|
|
addEvent(this, 'updatedData', function () {
|
|
this.chart.series.forEach(function (s) {
|
|
if (s.type === this.type) {
|
|
s.isDirty = true;
|
|
}
|
|
}, this);
|
|
});
|
|
|
|
return this;
|
|
},
|
|
render: function () {
|
|
var series = this,
|
|
dataLabels = [];
|
|
Series.prototype.render.apply(this, arguments);
|
|
series.data.forEach(function (point) {
|
|
if (H.isArray(point.dataLabels)) {
|
|
point.dataLabels.forEach(function (dataLabel) {
|
|
dataLabels.push(dataLabel);
|
|
});
|
|
}
|
|
});
|
|
series.chart.hideOverlappingLabels(dataLabels);
|
|
},
|
|
// Needed because of z-indexing issue if point is added in series.group
|
|
setVisible: function () {
|
|
var series = this;
|
|
Series.prototype.setVisible.apply(series, arguments);
|
|
if (series.parentNodeLayout && series.graph) {
|
|
if (series.visible) {
|
|
series.graph.show();
|
|
if (series.parentNode.dataLabel) {
|
|
series.parentNode.dataLabel.show();
|
|
}
|
|
} else {
|
|
series.graph.hide();
|
|
series.parentNodeLayout.removeNode(series.parentNode);
|
|
if (series.parentNode.dataLabel) {
|
|
series.parentNode.dataLabel.hide();
|
|
}
|
|
}
|
|
} else if (series.layout) {
|
|
if (series.visible) {
|
|
series.layout.addNodes(series.points);
|
|
} else {
|
|
series.points.forEach(function (node) {
|
|
series.layout.removeNode(node);
|
|
});
|
|
}
|
|
}
|
|
},
|
|
// Packedbubble has two separate collecions of nodes if split, render
|
|
// dataLabels for both sets:
|
|
drawDataLabels: function () {
|
|
var textPath = this.options.dataLabels.textPath,
|
|
points = this.points;
|
|
|
|
// Render node labels:
|
|
Series.prototype.drawDataLabels.apply(this, arguments);
|
|
|
|
// Render parentNode labels:
|
|
if (this.parentNode) {
|
|
this.parentNode.formatPrefix = 'parentNode';
|
|
this.points = [this.parentNode];
|
|
this.options.dataLabels.textPath =
|
|
this.options.dataLabels.parentNodeTextPath;
|
|
Series.prototype.drawDataLabels.apply(this, arguments);
|
|
|
|
// Restore nodes
|
|
this.points = points;
|
|
this.options.dataLabels.textPath = textPath;
|
|
}
|
|
},
|
|
/**
|
|
* The function responsible for calculating the parent node radius
|
|
* based on the total surface of iniside-bubbles and the group BBox
|
|
* @private
|
|
*/
|
|
calculateParentRadius: function () {
|
|
var series = this,
|
|
bBox,
|
|
parentPadding = 20,
|
|
minParentRadius = 20;
|
|
|
|
if (series.group) {
|
|
bBox = series.group.element.getBBox();
|
|
}
|
|
|
|
series.parentNodeRadius =
|
|
Math.min(
|
|
Math.max(
|
|
Math.sqrt(
|
|
2 * series.parentNodeMass / Math.PI
|
|
) + parentPadding,
|
|
minParentRadius
|
|
),
|
|
bBox ?
|
|
Math.max(
|
|
Math.sqrt(
|
|
Math.pow(bBox.width, 2) +
|
|
Math.pow(bBox.height, 2)
|
|
) / 2 + parentPadding,
|
|
minParentRadius
|
|
) :
|
|
Math.sqrt(
|
|
2 * series.parentNodeMass / Math.PI
|
|
) + parentPadding
|
|
);
|
|
|
|
if (series.parentNode) {
|
|
series.parentNode.marker.radius = series.parentNodeRadius;
|
|
}
|
|
},
|
|
// Create Background/Parent Nodes for split series.
|
|
drawGraph: function () {
|
|
|
|
// if the series is not using layout, don't add parent nodes
|
|
if (!this.layout || !this.layout.options.splitSeries) {
|
|
return;
|
|
}
|
|
|
|
var series = this,
|
|
chart = series.chart,
|
|
parentAttribs = {},
|
|
nodeMarker = this.layout.options.parentNodeOptions.marker,
|
|
parentOptions = {
|
|
fill: nodeMarker.fillColor ||
|
|
color(series.color).brighten(0.4).get(),
|
|
opacity: nodeMarker.fillOpacity,
|
|
stroke: nodeMarker.lineColor || series.color,
|
|
'stroke-width': nodeMarker.lineWidth
|
|
},
|
|
visibility = series.visible ? 'inherit' : 'hidden';
|
|
|
|
// create the group for parent Nodes if doesn't exist
|
|
if (!this.parentNodesGroup) {
|
|
series.parentNodesGroup = series.plotGroup(
|
|
'parentNodesGroup',
|
|
'parentNode',
|
|
visibility,
|
|
0.1, chart.seriesGroup
|
|
);
|
|
series.group.attr({
|
|
zIndex: 2
|
|
});
|
|
}
|
|
|
|
this.calculateParentRadius();
|
|
parentAttribs = H.merge({
|
|
x: series.parentNode.plotX -
|
|
series.parentNodeRadius,
|
|
y: series.parentNode.plotY -
|
|
series.parentNodeRadius,
|
|
width: series.parentNodeRadius * 2,
|
|
height: series.parentNodeRadius * 2
|
|
}, parentOptions);
|
|
if (!series.graph) {
|
|
series.graph = series.parentNode.graphic =
|
|
chart.renderer.symbol(parentOptions.symbol)
|
|
.attr(parentAttribs)
|
|
.add(series.parentNodesGroup);
|
|
} else {
|
|
series.graph.attr(parentAttribs);
|
|
}
|
|
},
|
|
/**
|
|
* Creating parent nodes for split series, in which all the bubbles
|
|
* are rendered.
|
|
* @private
|
|
*/
|
|
createParentNodes: function () {
|
|
var series = this,
|
|
chart = series.chart,
|
|
parentNodeLayout = series.parentNodeLayout,
|
|
nodeAdded,
|
|
parentNode = series.parentNode;
|
|
|
|
series.parentNodeMass = 0;
|
|
|
|
series.points.forEach(function (p) {
|
|
series.parentNodeMass += Math.PI * Math.pow(p.marker.radius, 2);
|
|
});
|
|
|
|
series.calculateParentRadius();
|
|
parentNodeLayout.nodes.forEach(function (node) {
|
|
if (node.seriesIndex === series.index) {
|
|
nodeAdded = true;
|
|
}
|
|
});
|
|
parentNodeLayout.setArea(0, 0, chart.plotWidth, chart.plotHeight);
|
|
if (!nodeAdded) {
|
|
if (!parentNode) {
|
|
parentNode = (
|
|
new NetworkPoint()
|
|
).init(
|
|
this,
|
|
{
|
|
mass: series.parentNodeRadius / 2,
|
|
marker: {
|
|
radius: series.parentNodeRadius
|
|
},
|
|
dataLabels: {
|
|
inside: false
|
|
},
|
|
dataLabelOnNull: true,
|
|
degree: series.parentNodeRadius,
|
|
isParentNode: true,
|
|
seriesIndex: series.index
|
|
}
|
|
);
|
|
}
|
|
if (series.parentNode) {
|
|
parentNode.plotX = series.parentNode.plotX;
|
|
parentNode.plotY = series.parentNode.plotY;
|
|
}
|
|
series.parentNode = parentNode;
|
|
parentNodeLayout.addSeries(series);
|
|
parentNodeLayout.addNodes([parentNode]);
|
|
}
|
|
},
|
|
/**
|
|
* Function responsible for adding series layout, used for parent nodes.
|
|
* @private
|
|
*/
|
|
addSeriesLayout: function () {
|
|
var series = this,
|
|
layoutOptions = series.options.layoutAlgorithm,
|
|
graphLayoutsStorage = series.chart.graphLayoutsStorage,
|
|
graphLayoutsLookup = series.chart.graphLayoutsLookup,
|
|
parentNodeOptions = H.merge(
|
|
layoutOptions,
|
|
layoutOptions.parentNodeOptions,
|
|
{
|
|
enableSimulation: series.layout.options.enableSimulation
|
|
}
|
|
),
|
|
parentNodeLayout;
|
|
|
|
parentNodeLayout = graphLayoutsStorage[
|
|
layoutOptions.type + '-series'
|
|
];
|
|
|
|
if (!parentNodeLayout) {
|
|
|
|
graphLayoutsStorage[layoutOptions.type + '-series'] =
|
|
parentNodeLayout =
|
|
new H.layouts[layoutOptions.type]();
|
|
|
|
parentNodeLayout.init(parentNodeOptions);
|
|
|
|
graphLayoutsLookup.splice(
|
|
parentNodeLayout.index, 0, parentNodeLayout
|
|
);
|
|
}
|
|
series.parentNodeLayout = parentNodeLayout;
|
|
this.createParentNodes();
|
|
},
|
|
/**
|
|
* Adding the basic layout to series points.
|
|
* @private
|
|
*/
|
|
addLayout: function () {
|
|
var series = this,
|
|
layoutOptions = series.options.layoutAlgorithm,
|
|
graphLayoutsStorage = series.chart.graphLayoutsStorage,
|
|
graphLayoutsLookup = series.chart.graphLayoutsLookup,
|
|
chartOptions = series.chart.options.chart,
|
|
layout;
|
|
|
|
if (!graphLayoutsStorage) {
|
|
series.chart.graphLayoutsStorage = graphLayoutsStorage = {};
|
|
series.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);
|
|
|
|
}
|
|
|
|
series.layout = layout;
|
|
|
|
series.points.forEach(function (node) {
|
|
node.mass = 2;
|
|
node.degree = 1;
|
|
node.collisionNmb = 1;
|
|
});
|
|
|
|
layout.setArea(
|
|
0, 0, series.chart.plotWidth, series.chart.plotHeight
|
|
);
|
|
layout.addSeries(series);
|
|
layout.addNodes(series.points);
|
|
},
|
|
/**
|
|
* Function responsible for adding all the layouts to the chart.
|
|
* @private
|
|
*/
|
|
deferLayout: function () {
|
|
// TODO split layouts to independent methods
|
|
var series = this,
|
|
layoutOptions = series.options.layoutAlgorithm;
|
|
if (!series.visible) {
|
|
return;
|
|
}
|
|
// layout is using nodes for position calculation
|
|
series.addLayout();
|
|
|
|
if (layoutOptions.splitSeries) {
|
|
series.addSeriesLayout();
|
|
}
|
|
},
|
|
/**
|
|
* Extend the base translate method to handle bubble size,
|
|
* and correct positioning them.
|
|
* @private
|
|
*/
|
|
translate: function () {
|
|
|
|
var series = this,
|
|
chart = series.chart,
|
|
data = series.data,
|
|
index = series.index,
|
|
point,
|
|
radius,
|
|
positions,
|
|
i,
|
|
useSimulation = series.options.useSimulation;
|
|
|
|
series.processedXData = series.xData;
|
|
series.generatePoints();
|
|
|
|
// merged data is an array with all of the data from all series
|
|
if (!defined(chart.allDataPoints)) {
|
|
chart.allDataPoints = series.accumulateAllPoints(series);
|
|
// calculate radius for all added data
|
|
series.getPointRadius();
|
|
}
|
|
|
|
// after getting initial radius, calculate bubble positions
|
|
|
|
if (useSimulation) {
|
|
positions = chart.allDataPoints;
|
|
} else {
|
|
positions = series.placeBubbles(chart.allDataPoints);
|
|
series.options.draggable = false;
|
|
}
|
|
|
|
// Set the shape and arguments to be picked up in drawPoints
|
|
for (i = 0; i < positions.length; i++) {
|
|
|
|
if (positions[i][3] === index) {
|
|
|
|
// update the series points with the val from positions
|
|
// array
|
|
point = data[positions[i][4]];
|
|
radius = positions[i][2];
|
|
|
|
if (!useSimulation) {
|
|
point.plotX = positions[i][0] - chart.plotLeft +
|
|
chart.diffX;
|
|
point.plotY = positions[i][1] - chart.plotTop +
|
|
chart.diffY;
|
|
}
|
|
point.marker = H.extend(point.marker, {
|
|
radius: radius,
|
|
width: 2 * radius,
|
|
height: 2 * radius
|
|
});
|
|
}
|
|
}
|
|
|
|
if (useSimulation) {
|
|
series.deferLayout();
|
|
}
|
|
},
|
|
/**
|
|
* Check if two bubbles overlaps.
|
|
* @private
|
|
* @param {Array} first bubble
|
|
* @param {Array} second bubble
|
|
* @return {Boolean} overlap or not
|
|
*/
|
|
checkOverlap: function (bubble1, bubble2) {
|
|
var diffX = bubble1[0] - bubble2[0], // diff of X center values
|
|
diffY = bubble1[1] - bubble2[1], // diff of Y center values
|
|
sumRad = bubble1[2] + bubble2[2]; // sum of bubble radius
|
|
|
|
return (
|
|
Math.sqrt(diffX * diffX + diffY * diffY) -
|
|
Math.abs(sumRad)
|
|
) < -0.001;
|
|
},
|
|
/**
|
|
* Function that is adding one bubble based on positions and sizes of
|
|
* two other bubbles, lastBubble is the last added bubble, newOrigin is
|
|
* the bubble for positioning new bubbles. nextBubble is the curently
|
|
* added bubble for which we are calculating positions
|
|
* @private
|
|
* @param {Array} lastBubble The closest last bubble
|
|
* @param {Array} newOrigin New bubble
|
|
* @param {Array} nextBubble The closest next bubble
|
|
* @return {Array} Bubble with correct positions
|
|
*/
|
|
positionBubble: function (lastBubble, newOrigin, nextBubble) {
|
|
var sqrt = Math.sqrt,
|
|
asin = Math.asin,
|
|
acos = Math.acos,
|
|
pow = Math.pow,
|
|
abs = Math.abs,
|
|
distance = sqrt( // dist between lastBubble and newOrigin
|
|
pow((lastBubble[0] - newOrigin[0]), 2) +
|
|
pow((lastBubble[1] - newOrigin[1]), 2)
|
|
),
|
|
alfa = acos(
|
|
// from cosinus theorem: alfa is an angle used for
|
|
// calculating correct position
|
|
(
|
|
pow(distance, 2) +
|
|
pow(nextBubble[2] + newOrigin[2], 2) -
|
|
pow(nextBubble[2] + lastBubble[2], 2)
|
|
) / (2 * (nextBubble[2] + newOrigin[2]) * distance)
|
|
),
|
|
|
|
beta = asin( // from sinus theorem.
|
|
abs(lastBubble[0] - newOrigin[0]) /
|
|
distance
|
|
),
|
|
// providing helping variables, related to angle between
|
|
// lastBubble and newOrigin
|
|
gamma = (lastBubble[1] - newOrigin[1]) < 0 ? 0 : Math.PI,
|
|
// if new origin y is smaller than last bubble y value
|
|
// (2 and 3 quarter),
|
|
// add Math.PI to final angle
|
|
|
|
delta = (lastBubble[0] - newOrigin[0]) *
|
|
(lastBubble[1] - newOrigin[1]) < 0 ?
|
|
1 : -1, // (1st and 3rd quarter)
|
|
finalAngle = gamma + alfa + beta * delta,
|
|
cosA = Math.cos(finalAngle),
|
|
sinA = Math.sin(finalAngle),
|
|
posX = newOrigin[0] + (newOrigin[2] + nextBubble[2]) * sinA,
|
|
// center of new origin + (radius1 + radius2) * sinus A
|
|
posY = newOrigin[1] - (newOrigin[2] + nextBubble[2]) * cosA;
|
|
return [
|
|
posX,
|
|
posY,
|
|
nextBubble[2],
|
|
nextBubble[3],
|
|
nextBubble[4]
|
|
]; // the same as described before
|
|
},
|
|
/**
|
|
* This is the main function responsible
|
|
* for positioning all of the bubbles
|
|
* allDataPoints - bubble array, in format [pixel x value,
|
|
* pixel y value, radius,
|
|
* related series index, related point index]
|
|
* @private
|
|
* @param {Array} allDataPoints All points from all series
|
|
* @return {Array} Positions of all bubbles
|
|
*/
|
|
placeBubbles: function (allDataPoints) {
|
|
|
|
var series = this,
|
|
checkOverlap = series.checkOverlap,
|
|
positionBubble = series.positionBubble,
|
|
bubblePos = [],
|
|
stage = 1,
|
|
j = 0,
|
|
k = 0,
|
|
calculatedBubble,
|
|
sortedArr,
|
|
arr = [],
|
|
i;
|
|
|
|
// sort all points
|
|
sortedArr = allDataPoints.sort(function (a, b) {
|
|
return b[2] - a[2];
|
|
});
|
|
|
|
if (sortedArr.length === 1) {
|
|
// if length is 1,return only one bubble
|
|
arr = [
|
|
0, 0,
|
|
sortedArr[0][0],
|
|
sortedArr[0][1],
|
|
sortedArr[0][2]
|
|
];
|
|
} else if (sortedArr.length) {
|
|
|
|
// create first bubble in the middle of the chart
|
|
bubblePos.push([
|
|
[
|
|
0, // starting in 0,0 coordinates
|
|
0,
|
|
sortedArr[0][2], // radius
|
|
sortedArr[0][3], // series index
|
|
sortedArr[0][4]
|
|
] // point index
|
|
]); // 0 level bubble
|
|
|
|
bubblePos.push([
|
|
[
|
|
0,
|
|
0 - sortedArr[1][2] - sortedArr[0][2],
|
|
// move bubble above first one
|
|
sortedArr[1][2],
|
|
sortedArr[1][3],
|
|
sortedArr[1][4]
|
|
]
|
|
]); // 1 level 1st bubble
|
|
|
|
// first two already positioned so starting from 2
|
|
for (i = 2; i < sortedArr.length; i++) {
|
|
sortedArr[i][2] = sortedArr[i][2] || 1;
|
|
// in case if radius is calculated as 0.
|
|
calculatedBubble = positionBubble(
|
|
bubblePos[stage][j],
|
|
bubblePos[stage - 1][k],
|
|
sortedArr[i]
|
|
); // calculate initial bubble position
|
|
|
|
if (checkOverlap(calculatedBubble, bubblePos[stage][0])) {
|
|
/* if new bubble is overlapping with first bubble
|
|
* in current level (stage)
|
|
*/
|
|
|
|
bubblePos.push([]);
|
|
k = 0;
|
|
/* reset index of bubble, used for
|
|
* positioning the bubbles
|
|
* around it, we are starting from first bubble in next
|
|
* stage because we are changing level to higher
|
|
*/
|
|
bubblePos[stage + 1].push(
|
|
positionBubble(
|
|
bubblePos[stage][j],
|
|
bubblePos[stage][0],
|
|
sortedArr[i]
|
|
)
|
|
);
|
|
// (last added bubble, 1. from curr stage, new bubble)
|
|
stage++; // the new level is created, above current one
|
|
j = 0; // set the index of bubble in current level to 0
|
|
} else if (
|
|
stage > 1 && bubblePos[stage - 1][k + 1] &&
|
|
checkOverlap(
|
|
calculatedBubble, bubblePos[stage - 1][k + 1]
|
|
)
|
|
) {
|
|
/* if new bubble is overlapping with one of the previous
|
|
* stage bubbles, it means that - bubble, used for
|
|
* positioning the bubbles around it has changed
|
|
* so we need to recalculate it
|
|
*/
|
|
k++;
|
|
bubblePos[stage].push(
|
|
positionBubble(
|
|
bubblePos[stage][j],
|
|
bubblePos[stage - 1][k],
|
|
sortedArr[i]
|
|
)
|
|
);
|
|
// (last added bubble, prev stage bubble, new bubble)
|
|
j++;
|
|
} else { // simply add calculated bubble
|
|
j++;
|
|
bubblePos[stage].push(calculatedBubble);
|
|
}
|
|
}
|
|
series.chart.stages = bubblePos;
|
|
// it may not be necessary but adding it just in case -
|
|
// it is containing all of the bubble levels
|
|
|
|
series.chart.rawPositions = [].concat.apply([], bubblePos);
|
|
// bubble positions merged into one array
|
|
|
|
series.resizeRadius();
|
|
arr = series.chart.rawPositions;
|
|
|
|
}
|
|
return arr;
|
|
},
|
|
/**
|
|
* The function responsible for resizing the bubble radius.
|
|
* In shortcut: it is taking the initially
|
|
* calculated positions of bubbles. Then it is calculating the min max
|
|
* of both dimensions, creating something in shape of bBox.
|
|
* The comparison of bBox and the size of plotArea
|
|
* (later it may be also the size set by customer) is giving the
|
|
* value how to recalculate the radius so it will match the size
|
|
* @private
|
|
*/
|
|
resizeRadius: function () {
|
|
|
|
var chart = this.chart,
|
|
positions = chart.rawPositions,
|
|
min = Math.min,
|
|
max = Math.max,
|
|
plotLeft = chart.plotLeft,
|
|
plotTop = chart.plotTop,
|
|
chartHeight = chart.plotHeight,
|
|
chartWidth = chart.plotWidth,
|
|
minX, maxX, minY, maxY,
|
|
radius,
|
|
bBox,
|
|
spaceRatio,
|
|
smallerDimension,
|
|
i;
|
|
|
|
minX = minY = Number.POSITIVE_INFINITY; // set initial values
|
|
maxX = maxY = Number.NEGATIVE_INFINITY;
|
|
|
|
for (i = 0; i < positions.length; i++) {
|
|
radius = positions[i][2];
|
|
minX = min(minX, positions[i][0] - radius);
|
|
// (x center-radius) is the min x value used by specific bubble
|
|
maxX = max(maxX, positions[i][0] + radius);
|
|
minY = min(minY, positions[i][1] - radius);
|
|
maxY = max(maxY, positions[i][1] + radius);
|
|
}
|
|
|
|
bBox = [maxX - minX, maxY - minY];
|
|
spaceRatio = [
|
|
(chartWidth - plotLeft) / bBox[0],
|
|
(chartHeight - plotTop) / bBox[1]
|
|
];
|
|
|
|
smallerDimension = min.apply([], spaceRatio);
|
|
|
|
if (Math.abs(smallerDimension - 1) > 1e-10) {
|
|
// if bBox is considered not the same width as possible size
|
|
for (i = 0; i < positions.length; i++) {
|
|
positions[i][2] *= smallerDimension;
|
|
}
|
|
this.placeBubbles(positions);
|
|
} else {
|
|
/** if no radius recalculation is needed, we need to position
|
|
* the whole bubbles in center of chart plotarea
|
|
* for this, we are adding two parameters,
|
|
* diffY and diffX, that are related to differences
|
|
* between the initial center and the bounding box
|
|
*/
|
|
chart.diffY = chartHeight / 2 +
|
|
plotTop - minY - (maxY - minY) / 2;
|
|
chart.diffX = chartWidth / 2 +
|
|
plotLeft - minX - (maxX - minX) / 2;
|
|
}
|
|
},
|
|
/**
|
|
* Calculate min and max bubble value for radius calculation.
|
|
* @private
|
|
*/
|
|
calculateZExtremes: function () {
|
|
var chart = this.chart,
|
|
zMin = this.options.zMin,
|
|
zMax = this.options.zMax,
|
|
valMin = Infinity,
|
|
valMax = -Infinity;
|
|
|
|
if (zMin && zMax) {
|
|
return [zMin, zMax];
|
|
}
|
|
// it is needed to deal with null
|
|
// and undefined values
|
|
chart.series.forEach(function (s) {
|
|
s.yData.forEach(function (p) {
|
|
if (H.defined(p)) {
|
|
if (p > valMax) {
|
|
valMax = p;
|
|
}
|
|
if (p < valMin) {
|
|
valMin = p;
|
|
}
|
|
}
|
|
});
|
|
});
|
|
|
|
zMin = pick(zMin, valMin);
|
|
zMax = pick(zMax, valMax);
|
|
|
|
return [zMin, zMax];
|
|
},
|
|
/**
|
|
* Calculate radius of bubbles in series.
|
|
* @private
|
|
*/
|
|
getPointRadius: function () { // bubbles array
|
|
|
|
var series = this,
|
|
chart = series.chart,
|
|
plotWidth = chart.plotWidth,
|
|
plotHeight = chart.plotHeight,
|
|
seriesOptions = series.options,
|
|
useSimulation = seriesOptions.useSimulation,
|
|
smallestSize = Math.min(plotWidth, plotHeight),
|
|
extremes = {},
|
|
radii = [],
|
|
allDataPoints = chart.allDataPoints,
|
|
minSize,
|
|
maxSize,
|
|
value,
|
|
radius, zExtremes;
|
|
['minSize', 'maxSize'].forEach(function (prop) {
|
|
var length = parseInt(seriesOptions[prop], 10),
|
|
isPercent = /%$/.test(seriesOptions[prop]);
|
|
|
|
extremes[prop] = isPercent ?
|
|
smallestSize * length / 100 :
|
|
length * Math.sqrt(allDataPoints.length);
|
|
});
|
|
|
|
chart.minRadius = minSize = extremes.minSize /
|
|
Math.sqrt(allDataPoints.length);
|
|
chart.maxRadius = maxSize = extremes.maxSize /
|
|
Math.sqrt(allDataPoints.length);
|
|
|
|
zExtremes = useSimulation ?
|
|
series.calculateZExtremes() :
|
|
[minSize, maxSize];
|
|
|
|
(allDataPoints || []).forEach(function (point, i) {
|
|
|
|
value = useSimulation ?
|
|
Math.max(Math.min(point[2], zExtremes[1]), zExtremes[0]) :
|
|
point[2];
|
|
|
|
radius = series.getRadius(
|
|
zExtremes[0],
|
|
zExtremes[1],
|
|
minSize,
|
|
maxSize,
|
|
value
|
|
);
|
|
if (radius === 0) {
|
|
radius = null;
|
|
}
|
|
allDataPoints[i][2] = radius;
|
|
radii.push(radius);
|
|
});
|
|
|
|
series.radii = radii;
|
|
},
|
|
// 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: function (point) {
|
|
if (point.fixedPosition && !point.removed) {
|
|
var distanceXY,
|
|
distanceR,
|
|
layout = this.layout,
|
|
parentNodeLayout = this.parentNodeLayout;
|
|
|
|
if (parentNodeLayout && layout.options.dragBetweenSeries) {
|
|
parentNodeLayout.nodes.forEach(function (node) {
|
|
if (
|
|
point && point.marker &&
|
|
node !== point.series.parentNode
|
|
) {
|
|
distanceXY = layout.getDistXY(point, node);
|
|
distanceR = (
|
|
layout.vectorLength(distanceXY) -
|
|
node.marker.radius -
|
|
point.marker.radius
|
|
);
|
|
if (distanceR < 0) {
|
|
node.series.addPoint(H.merge(point.options, {
|
|
plotX: point.plotX,
|
|
plotY: point.plotY
|
|
}), false);
|
|
layout.removeNode(point);
|
|
point.remove();
|
|
}
|
|
}
|
|
});
|
|
}
|
|
dragNodesMixin.onMouseUp.apply(this, arguments);
|
|
}
|
|
},
|
|
destroy: function () {
|
|
if (this.parentNode) {
|
|
this.parentNodeLayout.removeNode(this.parentNode);
|
|
if (this.parentNode.dataLabel) {
|
|
this.parentNode.dataLabel =
|
|
this.parentNode.dataLabel.destroy();
|
|
}
|
|
}
|
|
H.Series.prototype.destroy.apply(this, arguments);
|
|
},
|
|
alignDataLabel: H.Series.prototype.alignDataLabel
|
|
}, {
|
|
/**
|
|
* Destroy point.
|
|
* Then remove point from the layout.
|
|
* @private
|
|
* @return {undefined}
|
|
*/
|
|
destroy: function () {
|
|
if (this.series.layout) {
|
|
this.series.layout.removeNode(this);
|
|
}
|
|
return Point.prototype.destroy.apply(this, arguments);
|
|
}
|
|
}
|
|
);
|
|
|
|
// Remove accumulated data points to redistribute all of them again
|
|
// (i.e after hiding series by legend)
|
|
|
|
addEvent(Chart, 'beforeRedraw', function () {
|
|
if (this.allDataPoints) {
|
|
delete this.allDataPoints;
|
|
}
|
|
});
|
|
|
|
/**
|
|
* A `packedbubble` series. If the [type](#series.packedbubble.type) option is
|
|
* not specified, it is inherited from [chart.type](#chart.type).
|
|
*
|
|
* @type {Object}
|
|
* @extends series,plotOptions.packedbubble
|
|
* @excluding dataParser,dataURL,stack
|
|
* @product highcharts highstock
|
|
* @apioption series.packedbubble
|
|
*/
|
|
|
|
/**
|
|
* An array of data points for the series. For the `packedbubble` series type,
|
|
* points can be given in the following ways:
|
|
*
|
|
* 1. An array of `values`.
|
|
*
|
|
* ```js
|
|
* data: [5, 1, 20]
|
|
* ```
|
|
*
|
|
* 2. An array of objects with named values. The objects are point
|
|
* configuration objects as seen below. If the total number of data points
|
|
* exceeds the series' [turboThreshold](#series.packedbubble.turboThreshold),
|
|
* this option is not available.
|
|
*
|
|
* ```js
|
|
* data: [{
|
|
* value: 1,
|
|
* name: "Point2",
|
|
* color: "#00FF00"
|
|
* }, {
|
|
* value: 5,
|
|
* name: "Point1",
|
|
* color: "#FF00FF"
|
|
* }]
|
|
* ```
|
|
*
|
|
* @type {Array<Object|Array>}
|
|
* @extends series.line.data
|
|
* @excluding marker
|
|
* @sample {highcharts} highcharts/series/data-array-of-objects/
|
|
* Config objects
|
|
* @product highcharts
|
|
* @apioption series.packedbubble.data
|
|
*/
|
|
|
|
/**
|
|
* @excluding enabled,enabledThreshold,height,radius,width
|
|
* @apioption series.packedbubble.marker
|
|
*/
|