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Current File : C:/xampp/htdocs/wizcare/admin/assets/code/es-modules/Series/PackedBubbleSeries.js
/* *
 *
 *  (c) 2010-2018 Grzegorz Blachlinski, Sebastian Bochan
 *
 *  License: www.highcharts.com/license
 *
 *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
 *
 * */
import BaseSeries from '../Core/Series/Series.js';
import Chart from '../Core/Chart/Chart.js';
import Color from '../Core/Color/Color.js';
var color = Color.parse;
import H from '../Core/Globals.js';
import Point from '../Core/Series/Point.js';
import U from '../Core/Utilities.js';
var addEvent = U.addEvent, clamp = U.clamp, defined = U.defined, extend = U.extend, extendClass = U.extendClass, fireEvent = U.fireEvent, isArray = U.isArray, isNumber = U.isNumber, merge = U.merge, pick = U.pick;
import './Bubble/BubbleSeries.js';
import '../Series/Networkgraph/DraggableNodes.js';
import '../Series/Networkgraph/Layouts.js';
var Series = H.Series, Reingold = H.layouts['reingold-fruchterman'], dragNodesMixin = H.dragNodesMixin;
/**
 * Formatter callback function.
 *
 * @callback Highcharts.SeriesPackedBubbleDataLabelsFormatterCallbackFunction
 *
 * @param {Highcharts.SeriesPackedBubbleDataLabelsFormatterContextObject} this
 *        Data label context to format
 *
 * @return {string}
 *         Formatted data label text
 */
/**
 * Context for the formatter function.
 *
 * @interface Highcharts.SeriesPackedBubbleDataLabelsFormatterContextObject
 * @extends Highcharts.PointLabelObject
 * @since 7.0.0
 */ /**
* The color of the node.
* @name Highcharts.SeriesPackedBubbleDataLabelsFormatterContextObject#color
* @type {Highcharts.ColorString}
* @since 7.0.0
*/ /**
* The point (node) object. The node name, if defined, is available through
* `this.point.name`. Arrays: `this.point.linksFrom` and `this.point.linksTo`
* contains all nodes connected to this point.
* @name Highcharts.SeriesPackedBubbleDataLabelsFormatterContextObject#point
* @type {Highcharts.Point}
* @since 7.0.0
*/ /**
* The ID of the node.
* @name Highcharts.SeriesPackedBubbleDataLabelsFormatterContextObject#key
* @type {string}
* @since 7.0.0
*/
''; // detach doclets above
Chart.prototype.getSelectedParentNodes = function () {
    var chart = this, series = chart.series, selectedParentsNodes = [];
    series.forEach(function (series) {
        if (series.parentNode && series.parentNode.selected) {
            selectedParentsNodes.push(series.parentNode);
        }
    });
    return selectedParentsNodes;
};
H.networkgraphIntegrations.packedbubble = {
    repulsiveForceFunction: function (d, k, node, repNode) {
        return Math.min(d, (node.marker.radius + repNode.marker.radius) / 2);
    },
    barycenter: function () {
        var layout = this, gravitationalConstant = layout.options.gravitationalConstant, box = layout.box, nodes = layout.nodes, centerX, centerY;
        nodes.forEach(function (node) {
            if (layout.options.splitSeries && !node.isParentNode) {
                centerX = node.series.parentNode.plotX;
                centerY = node.series.parentNode.plotY;
            }
            else {
                centerX = box.width / 2;
                centerY = box.height / 2;
            }
            if (!node.fixedPosition) {
                node.plotX -=
                    (node.plotX - centerX) *
                        gravitationalConstant /
                        (node.mass * Math.sqrt(nodes.length));
                node.plotY -=
                    (node.plotY - centerY) *
                        gravitationalConstant /
                        (node.mass * Math.sqrt(nodes.length));
            }
        });
    },
    repulsive: function (node, force, distanceXY, repNode) {
        var factor = (force * this.diffTemperature / node.mass /
            node.degree), x = distanceXY.x * factor, y = distanceXY.y * factor;
        if (!node.fixedPosition) {
            node.plotX += x;
            node.plotY += y;
        }
        if (!repNode.fixedPosition) {
            repNode.plotX -= x;
            repNode.plotY -= y;
        }
    },
    integrate: H.networkgraphIntegrations.verlet.integrate,
    getK: H.noop
};
H.layouts.packedbubble = extendClass(Reingold, {
    beforeStep: function () {
        if (this.options.marker) {
            this.series.forEach(function (series) {
                if (series) {
                    series.calculateParentRadius();
                }
            });
        }
    },
    setCircularPositions: function () {
        var layout = this, box = layout.box, nodes = layout.nodes, nodesLength = nodes.length + 1, angle = 2 * Math.PI / nodesLength, centerX, centerY, radius = layout.options.initialPositionRadius;
        nodes.forEach(function (node, index) {
            if (layout.options.splitSeries &&
                !node.isParentNode) {
                centerX = node.series.parentNode.plotX;
                centerY = node.series.parentNode.plotY;
            }
            else {
                centerX = box.width / 2;
                centerY = box.height / 2;
            }
            node.plotX = node.prevX = pick(node.plotX, centerX +
                radius * Math.cos(node.index || index * angle));
            node.plotY = node.prevY = pick(node.plotY, centerY +
                radius * Math.sin(node.index || index * angle));
            node.dispX = 0;
            node.dispY = 0;
        });
    },
    repulsiveForces: function () {
        var layout = this, force, distanceR, distanceXY, bubblePadding = layout.options.bubblePadding;
        layout.nodes.forEach(function (node) {
            node.degree = node.mass;
            node.neighbours = 0;
            layout.nodes.forEach(function (repNode) {
                force = 0;
                if (
                // Node can not repulse itself:
                node !== repNode &&
                    // Only close nodes affect each other:
                    // Not dragged:
                    !node.fixedPosition &&
                    (layout.options.seriesInteraction ||
                        node.series === repNode.series)) {
                    distanceXY = layout.getDistXY(node, repNode);
                    distanceR = (layout.vectorLength(distanceXY) -
                        (node.marker.radius +
                            repNode.marker.radius +
                            bubblePadding));
                    // TODO padding configurable
                    if (distanceR < 0) {
                        node.degree += 0.01;
                        node.neighbours++;
                        force = layout.repulsiveForce(-distanceR / Math.sqrt(node.neighbours), layout.k, node, repNode);
                    }
                    layout.force('repulsive', node, force * repNode.mass, distanceXY, repNode, distanceR);
                }
            });
        });
    },
    applyLimitBox: function (node) {
        var layout = this, distanceXY, distanceR, factor = 0.01;
        // parentNodeLimit should be used together
        // with seriesInteraction: false
        if (layout.options.splitSeries &&
            !node.isParentNode &&
            layout.options.parentNodeLimit) {
            distanceXY = layout.getDistXY(node, node.series.parentNode);
            distanceR = (node.series.parentNodeRadius -
                node.marker.radius -
                layout.vectorLength(distanceXY));
            if (distanceR < 0 &&
                distanceR > -2 * node.marker.radius) {
                node.plotX -= distanceXY.x * factor;
                node.plotY -= distanceXY.y * factor;
            }
        }
        Reingold.prototype.applyLimitBox.apply(this, arguments);
    }
});
/**
 * @private
 * @class
 * @name Highcharts.seriesTypes.packedbubble
 *
 * @extends Highcharts.Series
 */
BaseSeries.seriesType('packedbubble', 'bubble', 
/**
 * A packed bubble series is a two dimensional series type, where each point
 * renders a value in X, Y position. Each point is drawn as a bubble
 * where the bubbles don't overlap with each other and the radius
 * of the bubble relates to the value.
 *
 * @sample highcharts/demo/packed-bubble/
 *         Packed bubble chart
 * @sample highcharts/demo/packed-bubble-split/
 *         Split packed bubble chart

 * @extends      plotOptions.bubble
 * @excluding    connectEnds, connectNulls, cropThreshold, dragDrop, jitter,
 *               keys, pointPlacement, sizeByAbsoluteValue, step, xAxis,
 *               yAxis, zMax, zMin, dataSorting, boostThreshold,
 *               boostBlending
 * @product      highcharts
 * @since        7.0.0
 * @requires     highcharts-more
 * @optionparent plotOptions.packedbubble
 */
{
    /**
     * Minimum bubble size. Bubbles will automatically size between the
     * `minSize` and `maxSize` to reflect the value of each bubble.
     * Can be either pixels (when no unit is given), or a percentage of
     * the smallest one of the plot width and height, divided by the square
     * root of total number of points.
     *
     * @sample highcharts/plotoptions/bubble-size/
     *         Bubble size
     *
     * @type {number|string}
     *
     * @private
     */
    minSize: '10%',
    /**
     * Maximum bubble size. Bubbles will automatically size between the
     * `minSize` and `maxSize` to reflect the value of each bubble.
     * Can be either pixels (when no unit is given), or a percentage of
     * the smallest one of the plot width and height, divided by the square
     * root of total number of points.
     *
     * @sample highcharts/plotoptions/bubble-size/
     *         Bubble size
     *
     * @type {number|string}
     *
     * @private
     */
    maxSize: '50%',
    sizeBy: 'area',
    zoneAxis: 'y',
    crisp: false,
    tooltip: {
        pointFormat: 'Value: {point.value}'
    },
    /**
     * Flag to determine if nodes are draggable or not. Available for
     * graph with useSimulation set to true only.
     *
     * @since 7.1.0
     *
     * @private
     */
    draggable: true,
    /**
     * An option is giving a possibility to choose between using simulation
     * for calculating bubble positions. These reflects in both animation
     * and final position of bubbles. Simulation is also adding options to
     * the series graph based on used layout. In case of big data sets, with
     * any performance issues, it is possible to disable animation and pack
     * bubble in a simple circular way.
     *
     * @sample highcharts/series-packedbubble/spiral/
     *         useSimulation set to false
     *
     * @since 7.1.0
     *
     * @private
     */
    useSimulation: true,
    /**
     * Series options for parent nodes.
     *
     * @since 8.1.1
     *
     * @private
     */
    parentNode: {
        /**
         * Allow this series' parent nodes to be selected
         * by clicking on the graph.
         *
         * @since 8.1.1
         */
        allowPointSelect: false
    },
    /**
    /**
     *
     * @declare Highcharts.SeriesPackedBubbleDataLabelsOptionsObject
     *
     * @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.packedbubble.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.SeriesPackedBubbleDataLabelsFormatterCallbackFunction}
         * @since 7.0.0
         */
        formatter: function () {
            return this.point.value;
        },
        /**
         * @type      {string}
         * @since     7.1.0
         * @apioption plotOptions.packedbubble.dataLabels.parentNodeFormat
         */
        // eslint-disable-next-line valid-jsdoc
        /**
         * @type  {Highcharts.SeriesPackedBubbleDataLabelsFormatterCallbackFunction}
         * @since 7.1.0
         */
        parentNodeFormatter: function () {
            return this.name;
        },
        /**
         * @sample {highcharts} highcharts/series-packedbubble/packed-dashboard
         *         Dashboard with dataLabels on parentNodes
         *
         * @declare Highcharts.SeriesPackedBubbleDataLabelsTextPathOptionsObject
         * @since   7.1.0
         */
        parentNodeTextPath: {
            /**
             * Presentation attributes for the text path.
             *
             * @type      {Highcharts.SVGAttributes}
             * @since     7.1.0
             * @apioption plotOptions.packedbubble.dataLabels.attributes
             */
            /**
             * Enable or disable `textPath` option for link's or marker's
             * data labels.
             *
             * @since 7.1.0
             */
            enabled: true
        },
        /**
         * Options for a _node_ label text which should follow marker's
         * shape.
         *
         * **Note:** Only SVG-based renderer supports this option.
         *
         * @extends   plotOptions.series.dataLabels.textPath
         * @apioption plotOptions.packedbubble.dataLabels.textPath
         */
        padding: 0,
        style: {
            transition: 'opacity 2000ms'
        }
    },
    /**
     * Options for layout algorithm when simulation is enabled. Inside there
     * are options to change the speed, padding, initial bubbles positions
     * and more.
     *
     * @extends   plotOptions.networkgraph.layoutAlgorithm
     * @excluding approximation, attractiveForce, repulsiveForce, theta
     * @since     7.1.0
     *
     * @private
     */
    layoutAlgorithm: {
        /**
         * Initial layout algorithm for positioning nodes. Can be one of
         * the 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',
        /**
         * @sample highcharts/series-packedbubble/initial-radius/
         *         Initial radius set to 200
         *
         * @extends   plotOptions.networkgraph.layoutAlgorithm.initialPositionRadius
         * @excluding states
         */
        initialPositionRadius: 20,
        /**
         * The distance between two bubbles, when the algorithm starts to
         * treat two bubbles as overlapping. The `bubblePadding` is also the
         * expected distance between all the bubbles on simulation end.
         */
        bubblePadding: 5,
        /**
         * Whether bubbles should interact with their parentNode to keep
         * them inside.
         */
        parentNodeLimit: false,
        /**
         * Whether series should interact with each other or not. When
         * `parentNodeLimit` is set to true, thi option should be set to
         * false to avoid sticking points in wrong series parentNode.
         */
        seriesInteraction: true,
        /**
         * In case of split series, this option allows user to drag and
         * drop points between series, for changing point related series.
         *
         * @sample highcharts/series-packedbubble/packed-dashboard/
         *         Example of drag'n drop bubbles for bubble kanban
         */
        dragBetweenSeries: false,
        /**
         * Layout algorithm options for parent nodes.
         *
         * @extends   plotOptions.networkgraph.layoutAlgorithm
         * @excluding approximation, attractiveForce, enableSimulation,
         *            repulsiveForce, theta
         */
        parentNodeOptions: {
            maxIterations: 400,
            gravitationalConstant: 0.03,
            maxSpeed: 50,
            initialPositionRadius: 100,
            seriesInteraction: true,
            /**
             * Styling options for parentNodes markers. Similar to
             * line.marker options.
             *
             * @sample highcharts/series-packedbubble/parentnode-style/
             *         Bubble size
             *
             * @extends   plotOptions.series.marker
             * @excluding states
             */
            marker: {
                fillColor: null,
                fillOpacity: 1,
                lineWidth: 1,
                lineColor: null,
                symbol: 'circle'
            }
        },
        enableSimulation: true,
        /**
         * Type of the algorithm used when positioning bubbles.
         * @ignore-option
         */
        type: 'packedbubble',
        /**
         * Integration type. Integration determines how forces are applied
         * on particles. The `packedbubble` integration is based on
         * the networkgraph `verlet` integration, where the new position
         * is based on a previous position without velocity:
         * `newPosition += previousPosition - newPosition`.
         *
         * @sample highcharts/series-networkgraph/forces/
         *
         * @ignore-option
         */
        integration: 'packedbubble',
        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'],
    trackerGroups: ['group', 'dataLabelsGroup', 'parentNodesGroup'],
    pointValKey: 'value',
    isCartesian: false,
    requireSorting: false,
    directTouch: true,
    axisTypes: [],
    noSharedTooltip: true,
    // solving #12287
    searchPoint: H.noop,
    /* eslint-disable no-invalid-this, valid-jsdoc */
    /**
     * Create a single array of all points from all series
     * @private
     * @param {Highcharts.Series} series Array of all series objects
     * @return {Array<Highcharts.PackedBubbleData>} 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.is('packedbubble') && // #13574
                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);
        // #10823 - dataLabels should stay visible
        // when enabled allowOverlap.
        if (!series.options.dataLabels.allowOverlap) {
            series.data.forEach(function (point) {
                if (isArray(point.dataLabels)) {
                    point.dataLabels.forEach(function (dataLabel) {
                        dataLabels.push(dataLabel);
                    });
                }
            });
            // Only hide overlapping dataLabels for layouts that
            // use simulation. Spiral packedbubble don't need
            // additional dataLabel hiding on every simulation step
            if (series.options.useSimulation) {
                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
                    .removeElementFromCollection(series.parentNode, series.parentNodeLayout.nodes);
                if (series.parentNode.dataLabel) {
                    series.parentNode.dataLabel.hide();
                }
            }
        }
        else if (series.layout) {
            if (series.visible) {
                series.layout.addElementsToCollection(series.points, series.layout.nodes);
            }
            else {
                series.points.forEach(function (node) {
                    series.layout.removeElementFromCollection(node, series.layout.nodes);
                });
            }
        }
    },
    // 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 series bubble' s bBox.
     * Needed because of exporting failure when useSimulation
     * is set to false
     * @private
     */
    seriesBox: function () {
        var series = this, chart = series.chart, data = series.data, max = Math.max, min = Math.min, radius, 
        // bBox = [xMin, xMax, yMin, yMax]
        bBox = [
            chart.plotLeft,
            chart.plotLeft + chart.plotWidth,
            chart.plotTop,
            chart.plotTop + chart.plotHeight
        ];
        data.forEach(function (p) {
            if (defined(p.plotX) &&
                defined(p.plotY) &&
                p.marker.radius) {
                radius = p.marker.radius;
                bBox[0] = min(bBox[0], p.plotX - radius);
                bBox[1] = max(bBox[1], p.plotX + radius);
                bBox[2] = min(bBox[2], p.plotY - radius);
                bBox[3] = max(bBox[3], p.plotY + radius);
            }
        });
        return isNumber(bBox.width / bBox.height) ?
            bBox :
            null;
    },
    /**
     * 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;
        bBox = series.seriesBox();
        series.parentNodeRadius = clamp(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.parentNode.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 = merge({
            x: series.parentNode.plotX -
                series.parentNodeRadius,
            y: series.parentNode.plotY -
                series.parentNodeRadius,
            width: series.parentNodeRadius * 2,
            height: series.parentNodeRadius * 2
        }, parentOptions);
        if (!series.parentNode.graphic) {
            series.graph = series.parentNode.graphic =
                chart.renderer.symbol(parentOptions.symbol)
                    .add(series.parentNodesGroup);
        }
        series.parentNode.graphic.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, PackedBubblePoint = series.pointClass;
        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 PackedBubblePoint()).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.addElementsToCollection([series], parentNodeLayout.series);
            parentNodeLayout.addElementsToCollection([parentNode], parentNodeLayout.nodes);
        }
    },
    drawTracker: function () {
        var series = this, chart = series.chart, pointer = chart.pointer, onMouseOver = function (e) {
            var point = pointer.getPointFromEvent(e);
            // undefined on graph in scatterchart
            if (typeof point !== 'undefined') {
                pointer.isDirectTouch = true;
                point.onMouseOver(e);
            }
        }, parentNode = series.parentNode;
        var dataLabels;
        H.TrackerMixin.drawTrackerPoint.call(this);
        // Add reference to the point
        if (parentNode) {
            dataLabels = (isArray(parentNode.dataLabels) ?
                parentNode.dataLabels :
                (parentNode.dataLabel ? [parentNode.dataLabel] : []));
            if (parentNode.graphic) {
                parentNode.graphic.element.point = parentNode;
            }
            dataLabels.forEach(function (dataLabel) {
                if (dataLabel.div) {
                    dataLabel.div.point = parentNode;
                }
                else {
                    dataLabel.element.point = 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 = 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.addElementsToCollection([series], layout.series);
        layout.addElementsToCollection(series.points, layout.nodes);
    },
    /**
     * 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 = extend(point.marker, {
                    radius: radius,
                    width: 2 * radius,
                    height: 2 * radius
                });
                point.radius = radius;
            }
        }
        if (useSimulation) {
            series.deferLayout();
        }
        fireEvent(series, 'afterTranslate');
    },
    /**
     * 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<number>} lastBubble The closest last bubble
     * @param {Array<number>} newOrigin New bubble
     * @param {Array<number>} nextBubble The closest next bubble
     * @return {Array<number>} 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<Highcharts.PackedBubbleData>} allDataPoints All points from all series
     * @return {Array<Highcharts.PackedBubbleData>} 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) {
            // create first bubble in the middle of the chart
            bubblePos.push([
                [
                    0,
                    0,
                    sortedArr[0][2],
                    sortedArr[0][3],
                    sortedArr[0][4]
                ] // point index
            ]); // 0 level bubble
            if (sortedArr.length > 1) {
                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 bubble, 1. from curr stage, new bubble)
                        stage++; // the new level is created, above current
                        j = 0; // set the index of bubble in curr 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 prev
                         * 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 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 (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 () {
        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 ?
                clamp(point[2], zExtremes[0], zExtremes[1]) :
                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(merge(point.options, {
                                plotX: point.plotX,
                                plotY: point.plotY
                            }), false);
                            layout.removeElementFromCollection(point, layout.nodes);
                            point.remove();
                        }
                    }
                });
            }
            dragNodesMixin.onMouseUp.apply(this, arguments);
        }
    },
    destroy: function () {
        // Remove the series from all layouts series collections #11469
        if (this.chart.graphLayoutsLookup) {
            this.chart.graphLayoutsLookup.forEach(function (layout) {
                layout.removeElementFromCollection(this, layout.series);
            }, this);
        }
        if (this.parentNode) {
            this.parentNodeLayout.removeElementFromCollection(this.parentNode, this.parentNodeLayout.nodes);
            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.removeElementFromCollection(this, this.series.layout.nodes);
        }
        return Point.prototype.destroy.apply(this, arguments);
    },
    firePointEvent: function (eventType, eventArgs, defaultFunction) {
        var point = this, series = this.series, seriesOptions = series.options;
        if (this.isParentNode && seriesOptions.parentNode) {
            var temp = seriesOptions.allowPointSelect;
            seriesOptions.allowPointSelect = seriesOptions.parentNode.allowPointSelect;
            Point.prototype.firePointEvent.apply(this, arguments);
            seriesOptions.allowPointSelect = temp;
        }
        else {
            Point.prototype.firePointEvent.apply(this, arguments);
        }
    },
    select: function (selected, accumulate) {
        var point = this, series = this.series, chart = series.chart;
        if (point.isParentNode) {
            chart.getSelectedPoints = chart.getSelectedParentNodes;
            Point.prototype.select.apply(this, arguments);
            chart.getSelectedPoints = Chart.prototype.getSelectedPoints;
        }
        else {
            Point.prototype.select.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;
    }
});
/* eslint-enable no-invalid-this, valid-jsdoc */
/**
 * 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 cropThreshold, dataParser, dataSorting, dataURL, dragDrop, stack,
 *            boostThreshold, boostBlending
 * @product   highcharts
 * @requires  highcharts-more
 * @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, x, y
 * @sample    {highcharts} highcharts/series/data-array-of-objects/
 *            Config objects
 * @product   highcharts
 * @apioption series.packedbubble.data
 */
/**
 * @type      {Highcharts.SeriesPackedBubbleDataLabelsOptionsObject|Array<Highcharts.SeriesPackedBubbleDataLabelsOptionsObject>}
 * @product   highcharts
 * @apioption series.packedbubble.data.dataLabels
 */
/**
 * @excluding enabled,enabledThreshold,height,radius,width
 * @product   highcharts
 * @apioption series.packedbubble.marker
 */
''; // adds doclets above to transpiled file

Youez - 2016 - github.com/yon3zu
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