74 lines
2.4 KiB
JavaScript
74 lines
2.4 KiB
JavaScript
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import H from '../parts/Globals.js';
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H.NodesMixin = {
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// Create a single node that holds information on incoming and outgoing
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// links.
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createNode: function (id) {
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function findById(nodes, id) {
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return H.find(nodes, function (node) {
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return node.id === id;
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});
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}
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var node = findById(this.nodes, id),
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PointClass = this.pointClass,
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options;
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if (!node) {
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options = this.options.nodes && findById(this.options.nodes, id);
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node = (new PointClass()).init(
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this,
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H.extend({
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className: 'highcharts-node',
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isNode: true,
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id: id,
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y: 1 // Pass isNull test
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}, options)
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);
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node.linksTo = [];
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node.linksFrom = [];
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node.formatPrefix = 'node';
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node.name = node.name || node.options.id; // for use in formats
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// Return the largest sum of either the incoming or outgoing links.
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node.getSum = function () {
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var sumTo = 0,
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sumFrom = 0;
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node.linksTo.forEach(function (link) {
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sumTo += link.weight;
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});
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node.linksFrom.forEach(function (link) {
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sumFrom += link.weight;
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});
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return Math.max(sumTo, sumFrom);
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};
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// Get the offset in weight values of a point/link.
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node.offset = function (point, coll) {
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var offset = 0;
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for (var i = 0; i < node[coll].length; i++) {
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if (node[coll][i] === point) {
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return offset;
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}
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offset += node[coll][i].weight;
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}
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};
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// Return true if the node has a shape, otherwise all links are
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// outgoing.
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node.hasShape = function () {
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var outgoing = 0;
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node.linksTo.forEach(function (link) {
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if (link.outgoing) {
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outgoing++;
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}
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});
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return !node.linksTo.length || outgoing !== node.linksTo.length;
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};
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this.nodes.push(node);
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}
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return node;
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}
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};
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