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static/lib/Highcharts-10.2.1/es-modules/Series/PackedBubble/PackedBubbleLayout.js

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+/* *
+ *
+ *  (c) 2010-2021 Grzegorz Blachlinski, Sebastian Bochan
+ *
+ *  License: www.highcharts.com/license
+ *
+ *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
+ *
+ * */
+'use strict';
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        if (typeof b !== "function" && b !== null)
+            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+import GraphLayout from '../GraphLayoutComposition.js';
+import PackedBubbleIntegration from './PackedBubbleIntegration.js';
+import ReingoldFruchtermanLayout from '../Networkgraph/ReingoldFruchtermanLayout.js';
+import U from '../../Core/Utilities.js';
+var addEvent = U.addEvent, pick = U.pick;
+/* *
+ *
+ *  Constants
+ *
+ * */
+var composedClasses = [];
+/* *
+ *
+ *  Functions
+ *
+ * */
+/**
+ * @private
+ */
+function chartGetSelectedParentNodes() {
+    var allSeries = this.series, selectedParentsNodes = [];
+    allSeries.forEach(function (series) {
+        if (series.parentNode && series.parentNode.selected) {
+            selectedParentsNodes.push(series.parentNode);
+        }
+    });
+    return selectedParentsNodes;
+}
+/**
+ * Remove accumulated data points to redistribute all of them again
+ * (i.e after hiding series by legend)
+ * @private
+ */
+function onChartBeforeRedraw() {
+    if (this.allDataPoints) {
+        delete this.allDataPoints;
+    }
+}
+/* *
+ *
+ *  Class
+ *
+ * */
+var PackedBubbleLayout = /** @class */ (function (_super) {
+    __extends(PackedBubbleLayout, _super);
+    function PackedBubbleLayout() {
+        /* *
+         *
+         *  Static Functions
+         *
+         * */
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.index = NaN;
+        _this.nodes = [];
+        _this.options = void 0;
+        _this.series = [];
+        return _this;
+    }
+    PackedBubbleLayout.compose = function (ChartClass) {
+        ReingoldFruchtermanLayout.compose(ChartClass);
+        GraphLayout.integrations.packedbubble = PackedBubbleIntegration;
+        GraphLayout.layouts.packedbubble = PackedBubbleLayout;
+        if (composedClasses.indexOf(ChartClass) === -1) {
+            composedClasses.push(ChartClass);
+            addEvent(ChartClass, 'beforeRedraw', onChartBeforeRedraw);
+            var chartProto = ChartClass.prototype;
+            chartProto.getSelectedParentNodes = chartGetSelectedParentNodes;
+        }
+    };
+    /* *
+     *
+     *  Functions
+     *
+     * */
+    PackedBubbleLayout.prototype.beforeStep = function () {
+        if (this.options.marker) {
+            this.series.forEach(function (series) {
+                if (series) {
+                    series.calculateParentRadius();
+                }
+            });
+        }
+    };
+    // #14439, new stable check.
+    PackedBubbleLayout.prototype.isStable = function () {
+        var tempDiff = Math.abs(this.prevSystemTemperature -
+            this.systemTemperature);
+        var upScaledTemperature = 10 * this.systemTemperature /
+            Math.sqrt(this.nodes.length);
+        return Math.abs(upScaledTemperature) < 1 &&
+            tempDiff < 0.00001 ||
+            this.temperature <= 0;
+    };
+    PackedBubbleLayout.prototype.setCircularPositions = function () {
+        var layout = this, box = layout.box, nodes = layout.nodes, nodesLength = nodes.length + 1, angle = 2 * Math.PI / nodesLength, radius = layout.options.initialPositionRadius;
+        var centerX, centerY, index = 0;
+        for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) {
+            var node = nodes_1[_i];
+            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;
+            index++;
+        }
+    };
+    PackedBubbleLayout.prototype.repulsiveForces = function () {
+        var layout = this, bubblePadding = layout.options.bubblePadding;
+        var force, distanceR, distanceXY;
+        layout.nodes.forEach(function (node) {
+            node.degree = node.mass;
+            node.neighbours = 0;
+            layout.nodes.forEach(function (repNode) {
+                force = 0;
+                if (
+                // Node cannot 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);
+                }
+            });
+        });
+    };
+    PackedBubbleLayout.prototype.applyLimitBox = function (node, box) {
+        var layout = this, factor = 0.01;
+        var distanceXY, distanceR;
+        // 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;
+            }
+        }
+        _super.prototype.applyLimitBox.call(this, node, box);
+    };
+    return PackedBubbleLayout;
+}(ReingoldFruchtermanLayout));
+/* *
+ *
+ *  Registry
+ *
+ * */
+GraphLayout.layouts.packedbubble = PackedBubbleLayout;
+/* *
+ *
+ *  Default Export
+ *
+ * */
+export default PackedBubbleLayout;