forked from qwerty/tupali
338 lines
12 KiB
JavaScript
338 lines
12 KiB
JavaScript
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/* *
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*
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* Dependency wheel module
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*
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* (c) 2018-2020 Torstein Honsi
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*
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* License: www.highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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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 U from '../parts/Utilities.js';
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var animObject = U.animObject, seriesType = U.seriesType;
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import '../parts/Options.js';
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import '../mixins/nodes.js';
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var base = H.seriesTypes.sankey.prototype;
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/**
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* @private
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* @class
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* @name Highcharts.seriesTypes.dependencywheel
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*
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* @augments Highcharts.seriesTypes.sankey
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*/
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seriesType('dependencywheel', 'sankey',
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/**
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* A dependency wheel chart is a type of flow diagram, where all nodes are
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* laid out in a circle, and the flow between the are drawn as link bands.
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*
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* @sample highcharts/demo/dependency-wheel/
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* Dependency wheel
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*
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* @extends plotOptions.sankey
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* @exclude dataSorting
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* @since 7.1.0
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* @product highcharts
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* @requires modules/dependencywheel
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* @optionparent plotOptions.dependencywheel
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*/
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{
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/**
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* The center of the wheel relative to the plot area. Can be
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* percentages or pixel values. The default behaviour is to
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* center the wheel inside the plot area.
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*
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* @type {Array<number|string|null>}
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* @default [null, null]
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* @product highcharts
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*/
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center: [null, null],
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curveFactor: 0.6,
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/**
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* The start angle of the dependency wheel, in degrees where 0 is up.
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*/
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startAngle: 0
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}, {
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orderNodes: false,
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getCenter: H.seriesTypes.pie.prototype.getCenter,
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/* eslint-disable valid-jsdoc */
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/**
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* Dependency wheel has only one column, it runs along the perimeter.
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* @private
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*/
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createNodeColumns: function () {
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var columns = [this.createNodeColumn()];
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this.nodes.forEach(function (node) {
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node.column = 0;
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columns[0].push(node);
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});
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return columns;
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},
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/**
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* Translate from vertical pixels to perimeter.
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* @private
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*/
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getNodePadding: function () {
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return this.options.nodePadding / Math.PI;
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},
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createNode: function (id) {
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var node = base.createNode.call(this, id);
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node.index = this.nodes.length - 1;
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/**
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* Return the sum of incoming and outgoing links.
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* @private
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*/
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node.getSum = function () {
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return node.linksFrom
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.concat(node.linksTo)
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.reduce(function (acc, link) {
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return acc + link.weight;
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}, 0);
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};
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/**
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* Get the offset in weight values of a point/link.
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* @private
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*/
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node.offset = function (point) {
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var offset = 0, i, links = node.linksFrom.concat(node.linksTo), sliced;
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/**
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* @private
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*/
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function otherNode(link) {
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if (link.fromNode === node) {
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return link.toNode;
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}
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return link.fromNode;
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}
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// Sort and slice the links to avoid links going out of each
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// node crossing each other.
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links.sort(function (a, b) {
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return otherNode(a).index - otherNode(b).index;
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});
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for (i = 0; i < links.length; i++) {
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if (otherNode(links[i]).index > node.index) {
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links = links.slice(0, i).reverse().concat(links.slice(i).reverse());
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sliced = true;
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break;
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}
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}
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if (!sliced) {
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links.reverse();
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}
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for (i = 0; i < links.length; i++) {
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if (links[i] === point) {
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return offset;
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}
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offset += links[i].weight;
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}
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};
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return node;
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},
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/**
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* @private
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* @todo Override the refactored sankey translateLink and translateNode
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* functions instead of the whole translate function.
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*/
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translate: function () {
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var options = this.options, factor = 2 * Math.PI /
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(this.chart.plotHeight + this.getNodePadding()), center = this.getCenter(), startAngle = (options.startAngle - 90) * H.deg2rad;
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base.translate.call(this);
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this.nodeColumns[0].forEach(function (node) {
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// Don't render the nodes if sum is 0 #12453
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if (node.sum) {
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var shapeArgs = node.shapeArgs, centerX = center[0], centerY = center[1], r = center[2] / 2, innerR = r - options.nodeWidth, start = startAngle + factor * shapeArgs.y, end = startAngle +
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factor * (shapeArgs.y + shapeArgs.height);
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// Middle angle
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node.angle = start + (end - start) / 2;
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node.shapeType = 'arc';
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node.shapeArgs = {
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x: centerX,
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y: centerY,
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r: r,
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innerR: innerR,
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start: start,
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end: end
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};
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node.dlBox = {
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x: centerX + Math.cos((start + end) / 2) * (r + innerR) / 2,
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y: centerY + Math.sin((start + end) / 2) * (r + innerR) / 2,
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width: 1,
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height: 1
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};
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// Draw the links from this node
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node.linksFrom.forEach(function (point) {
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if (point.linkBase) {
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var distance;
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var corners = point.linkBase.map(function (top, i) {
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var angle = factor * top, x = Math.cos(startAngle + angle) * (innerR + 1), y = Math.sin(startAngle + angle) * (innerR + 1), curveFactor = options.curveFactor;
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// The distance between the from and to node
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// along the perimeter. This affect how curved
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// the link is, so that links between neighbours
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// don't extend too far towards the center.
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distance = Math.abs(point.linkBase[3 - i] * factor - angle);
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if (distance > Math.PI) {
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distance = 2 * Math.PI - distance;
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}
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distance = distance * innerR;
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if (distance < innerR) {
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curveFactor *= (distance / innerR);
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}
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return {
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x: centerX + x,
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y: centerY + y,
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cpX: centerX + (1 - curveFactor) * x,
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cpY: centerY + (1 - curveFactor) * y
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};
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});
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point.shapeArgs = {
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d: [[
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'M',
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corners[0].x, corners[0].y
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], [
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'A',
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innerR, innerR,
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0,
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0,
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1,
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corners[1].x, corners[1].y
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], [
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'C',
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corners[1].cpX, corners[1].cpY,
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corners[2].cpX, corners[2].cpY,
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corners[2].x, corners[2].y
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], [
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'A',
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innerR, innerR,
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0,
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0,
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1,
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corners[3].x, corners[3].y
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], [
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'C',
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corners[3].cpX, corners[3].cpY,
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corners[0].cpX, corners[0].cpY,
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corners[0].x, corners[0].y
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]]
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};
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}
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});
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}
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});
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},
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animate: function (init) {
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if (!init) {
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var duration = animObject(this.options.animation).duration, step = (duration / 2) / this.nodes.length;
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this.nodes.forEach(function (point, i) {
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var graphic = point.graphic;
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if (graphic) {
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graphic.attr({ opacity: 0 });
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setTimeout(function () {
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graphic.animate({ opacity: 1 }, { duration: step });
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}, step * i);
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}
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}, this);
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this.points.forEach(function (point) {
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var graphic = point.graphic;
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if (!point.isNode && graphic) {
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graphic.attr({ opacity: 0 })
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.animate({
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opacity: 1
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}, this.options.animation);
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}
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}, this);
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}
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}
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/* eslint-enable valid-jsdoc */
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},
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// Point class
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{
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setState: H.NodesMixin.setNodeState,
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/* eslint-disable valid-jsdoc */
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/**
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* Return a text path that the data label uses.
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* @private
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*/
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getDataLabelPath: function (label) {
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var renderer = this.series.chart.renderer, shapeArgs = this.shapeArgs, upperHalf = this.angle < 0 || this.angle > Math.PI, start = shapeArgs.start, end = shapeArgs.end;
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if (!this.dataLabelPath) {
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this.dataLabelPath = renderer
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.arc({ open: true })
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// Add it inside the data label group so it gets destroyed
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// with the label
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.add(label);
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}
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this.dataLabelPath.attr({
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x: shapeArgs.x,
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y: shapeArgs.y,
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r: (shapeArgs.r +
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(this.dataLabel.options.distance || 0)),
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start: (upperHalf ? start : end),
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end: (upperHalf ? end : start),
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clockwise: +upperHalf
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});
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return this.dataLabelPath;
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},
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isValid: function () {
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// No null points here
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return true;
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}
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/* eslint-enable valid-jsdoc */
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});
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/**
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* A `dependencywheel` series. If the [type](#series.dependencywheel.type)
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* option is not specified, it is inherited from [chart.type](#chart.type).
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*
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* @extends series,plotOptions.dependencywheel
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* @exclude dataSorting
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* @product highcharts
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* @requires modules/dependencywheel
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* @apioption series.dependencywheel
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*/
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/**
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* A collection of options for the individual nodes. The nodes in a dependency
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* diagram are auto-generated instances of `Highcharts.Point`, but options can
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* be applied here and linked by the `id`.
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*
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* @extends series.sankey.nodes
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* @type {Array<*>}
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* @product highcharts
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* @excluding offset
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* @apioption series.dependencywheel.nodes
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*/
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/**
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* An array of data points for the series. For the `dependencywheel` series
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* type, points can be given in the following way:
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*
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* An array of objects with named values. The following snippet shows only a
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* few settings, see the complete options set below. If the total number of data
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* points exceeds the series' [turboThreshold](#series.area.turboThreshold),
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* this option is not available.
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*
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* ```js
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* data: [{
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* from: 'Category1',
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* to: 'Category2',
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* weight: 2
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* }, {
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* from: 'Category1',
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* to: 'Category3',
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* weight: 5
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* }]
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* ```
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*
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* @type {Array<*>}
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* @extends series.sankey.data
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||
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* @product highcharts
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||
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* @excluding outgoing, dataLabels
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* @apioption series.dependencywheel.data
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*/
|
||
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/**
|
||
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* Individual data label for each node. The options are the same as
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||
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* the ones for [series.dependencywheel.dataLabels](#series.dependencywheel.dataLabels).
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||
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*
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||
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* @apioption series.dependencywheel.nodes.dataLabels
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*/
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''; // adds doclets above to the transpiled file
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