chore: version inicial del codigo fuente del LMS Estafeta
This commit is contained in:
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/* *
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*
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* (c) 2009-2020 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 Chart from '../Core/Chart/Chart.js';
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import H from '../Core/Globals.js';
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import SVGRenderer from '../Core/Renderer/SVG/SVGRenderer.js';
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import U from '../Core/Utilities.js';
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var addEvent = U.addEvent, animObject = U.animObject, extend = U.extend, fireEvent = U.fireEvent, format = U.format, isNumber = U.isNumber, pick = U.pick, setOptions = U.setOptions, syncTimeout = U.syncTimeout;
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/**
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* Containing the position of a box that should be avoided by labels.
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*
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* @interface Highcharts.LabelIntersectBoxObject
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*/ /**
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* @name Highcharts.LabelIntersectBoxObject#bottom
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* @type {number}
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*/ /**
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* @name Highcharts.LabelIntersectBoxObject#left
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* @type {number}
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*/ /**
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* @name Highcharts.LabelIntersectBoxObject#right
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* @type {number}
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*/ /**
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* @name Highcharts.LabelIntersectBoxObject#top
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* @type {number}
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*/
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/*
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* Highcharts module to place labels next to a series in a natural position.
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*
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* TODO:
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* - add column support (box collision detection, boxesToAvoid logic)
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* - avoid data labels, when data labels above, show series label below.
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* - add more options (connector, format, formatter)
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*
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* https://jsfiddle.net/highcharts/L2u9rpwr/
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* https://jsfiddle.net/highcharts/y5A37/
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* https://jsfiddle.net/highcharts/264Nm/
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* https://jsfiddle.net/highcharts/y5A37/
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*/
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''; // detach doclets above
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import '../Core/Series/Series.js';
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var labelDistance = 3, Series = H.Series;
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setOptions({
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/**
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* @optionparent plotOptions
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*
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* @private
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*/
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plotOptions: {
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series: {
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/**
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* Series labels are placed as close to the series as possible in a
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* natural way, seeking to avoid other series. The goal of this
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* feature is to make the chart more easily readable, like if a
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* human designer placed the labels in the optimal position.
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*
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* The series labels currently work with series types having a
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* `graph` or an `area`.
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*
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* @sample highcharts/series-label/line-chart
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* Line chart
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* @sample highcharts/demo/streamgraph
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* Stream graph
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* @sample highcharts/series-label/stock-chart
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* Stock chart
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*
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* @declare Highcharts.SeriesLabelOptionsObject
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* @since 6.0.0
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* @product highcharts highstock gantt
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* @requires modules/series-label
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*/
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label: {
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/**
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* Enable the series label per series.
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*/
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enabled: true,
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/**
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* Allow labels to be placed distant to the graph if necessary,
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* and draw a connector line to the graph. Setting this option
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* to true may decrease the performance significantly, since the
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* algorithm with systematically search for open spaces in the
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* whole plot area. Visually, it may also result in a more
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* cluttered chart, though more of the series will be labeled.
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*/
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connectorAllowed: false,
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/**
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* If the label is closer than this to a neighbour graph, draw a
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* connector.
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*/
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connectorNeighbourDistance: 24,
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/**
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* A format string for the label, with support for a subset of
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* HTML. Variables are enclosed by curly brackets. Available
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* variables are `name`, `options.xxx`, `color` and other
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* members from the `series` object. Use this option also to set
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* a static text for the label.
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*
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* @type string
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* @since 8.1.0
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*/
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format: void 0,
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/**
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* Callback function to format each of the series' labels. The
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* `this` keyword refers to the series object. By default the
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* `formatter` is undefined and the `series.name` is rendered.
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*
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* @type {Highcharts.FormatterCallbackFunction<Series>}
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* @since 8.1.0
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*/
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formatter: void 0,
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/**
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* For area-like series, allow the font size to vary so that
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* small areas get a smaller font size. The default applies this
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* effect to area-like series but not line-like series.
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*
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* @type {number|null}
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*/
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minFontSize: null,
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/**
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* For area-like series, allow the font size to vary so that
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* small areas get a smaller font size. The default applies this
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* effect to area-like series but not line-like series.
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*
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* @type {number|null}
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*/
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maxFontSize: null,
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/**
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* Draw the label on the area of an area series. By default it
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* is drawn on the area. Set it to `false` to draw it next to
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* the graph instead.
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*
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* @type {boolean|null}
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*/
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onArea: null,
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/**
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* Styles for the series label. The color defaults to the series
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* color, or a contrast color if `onArea`.
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*
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* @type {Highcharts.CSSObject}
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*/
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style: {
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/** @internal */
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fontWeight: 'bold'
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},
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/**
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* An array of boxes to avoid when laying out the labels. Each
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* item has a `left`, `right`, `top` and `bottom` property.
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*
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* @type {Array<Highcharts.LabelIntersectBoxObject>}
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*/
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boxesToAvoid: []
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}
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}
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}
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});
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/* eslint-disable valid-jsdoc */
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/**
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* Counter-clockwise, part of the fast line intersection logic.
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*
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* @private
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* @function ccw
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*/
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function ccw(x1, y1, x2, y2, x3, y3) {
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var cw = ((y3 - y1) * (x2 - x1)) - ((y2 - y1) * (x3 - x1));
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return cw > 0 ? true : !(cw < 0);
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}
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/**
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* Detect if two lines intersect.
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*
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* @private
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* @function intersectLine
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*/
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function intersectLine(x1, y1, x2, y2, x3, y3, x4, y4) {
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return ccw(x1, y1, x3, y3, x4, y4) !== ccw(x2, y2, x3, y3, x4, y4) &&
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ccw(x1, y1, x2, y2, x3, y3) !== ccw(x1, y1, x2, y2, x4, y4);
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}
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/**
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* Detect if a box intersects with a line.
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*
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* @private
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* @function boxIntersectLine
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*/
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function boxIntersectLine(x, y, w, h, x1, y1, x2, y2) {
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return (intersectLine(x, y, x + w, y, x1, y1, x2, y2) || // top of label
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intersectLine(x + w, y, x + w, y + h, x1, y1, x2, y2) || // right
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intersectLine(x, y + h, x + w, y + h, x1, y1, x2, y2) || // bottom
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intersectLine(x, y, x, y + h, x1, y1, x2, y2) // left of label
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);
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}
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/**
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* General symbol definition for labels with connector.
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*
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* @private
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* @function Highcharts.SVGRenderer#symbols.connector
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*/
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SVGRenderer.prototype.symbols.connector = function (x, y, w, h, options) {
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var anchorX = options && options.anchorX, anchorY = options && options.anchorY, path, yOffset, lateral = w / 2;
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if (isNumber(anchorX) && isNumber(anchorY)) {
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path = [['M', anchorX, anchorY]];
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// Prefer 45 deg connectors
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yOffset = y - anchorY;
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if (yOffset < 0) {
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yOffset = -h - yOffset;
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}
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if (yOffset < w) {
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lateral = anchorX < x + (w / 2) ? yOffset : w - yOffset;
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}
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// Anchor below label
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if (anchorY > y + h) {
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path.push(['L', x + lateral, y + h]);
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// Anchor above label
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}
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else if (anchorY < y) {
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path.push(['L', x + lateral, y]);
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// Anchor left of label
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}
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else if (anchorX < x) {
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path.push(['L', x, y + h / 2]);
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// Anchor right of label
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}
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else if (anchorX > x + w) {
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path.push(['L', x + w, y + h / 2]);
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}
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}
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return path || [];
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};
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/**
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* Points to avoid. In addition to actual data points, the label should avoid
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* interpolated positions.
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*
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* @private
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* @function Highcharts.Series#getPointsOnGraph
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*/
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Series.prototype.getPointsOnGraph = function () {
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if (!this.xAxis && !this.yAxis) {
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return;
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}
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var distance = 16, points = this.points, point, last, interpolated = [], i, deltaX, deltaY, delta, len, n, j, d, graph = this.graph || this.area, node = graph.element, inverted = this.chart.inverted, xAxis = this.xAxis, yAxis = this.yAxis, paneLeft = inverted ? yAxis.pos : xAxis.pos, paneTop = inverted ? xAxis.pos : yAxis.pos, onArea = pick(this.options.label.onArea, !!this.area), translatedThreshold = yAxis.getThreshold(this.options.threshold), grid = {};
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/**
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* Push the point to the interpolated points, but only if that position in
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* the grid has not been occupied. As a performance optimization, we divide
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* the plot area into a grid and only add one point per series (#9815).
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* @private
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*/
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function pushDiscrete(point) {
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var cellSize = 8, key = Math.round(point.plotX / cellSize) + ',' +
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Math.round(point.plotY / cellSize);
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if (!grid[key]) {
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grid[key] = 1;
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interpolated.push(point);
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}
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}
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// For splines, get the point at length (possible caveat: peaks are not
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// correctly detected)
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if (this.getPointSpline &&
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node.getPointAtLength &&
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!onArea &&
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// Not performing well on complex series, node.getPointAtLength is too
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// heavy (#9815)
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points.length < this.chart.plotSizeX / distance) {
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// If it is animating towards a path definition, use that briefly, and
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// reset
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if (graph.toD) {
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d = graph.attr('d');
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graph.attr({ d: graph.toD });
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}
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len = node.getTotalLength();
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for (i = 0; i < len; i += distance) {
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point = node.getPointAtLength(i);
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pushDiscrete({
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chartX: paneLeft + point.x,
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chartY: paneTop + point.y,
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plotX: point.x,
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plotY: point.y
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});
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}
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if (d) {
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graph.attr({ d: d });
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}
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// Last point
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point = points[points.length - 1];
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point.chartX = paneLeft + point.plotX;
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point.chartY = paneTop + point.plotY;
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pushDiscrete(point);
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// Interpolate
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}
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else {
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len = points.length;
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for (i = 0; i < len; i += 1) {
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point = points[i];
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last = points[i - 1];
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// Absolute coordinates so we can compare different panes
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point.chartX = paneLeft + point.plotX;
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point.chartY = paneTop + point.plotY;
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if (onArea) {
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// Vertically centered inside area
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point.chartCenterY = paneTop + (point.plotY +
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pick(point.yBottom, translatedThreshold)) / 2;
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}
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// Add interpolated points
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if (i > 0) {
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deltaX = Math.abs(point.chartX - last.chartX);
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deltaY = Math.abs(point.chartY - last.chartY);
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delta = Math.max(deltaX, deltaY);
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if (delta > distance) {
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n = Math.ceil(delta / distance);
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for (j = 1; j < n; j += 1) {
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pushDiscrete({
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chartX: last.chartX +
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(point.chartX - last.chartX) *
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(j / n),
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chartY: last.chartY +
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(point.chartY - last.chartY) *
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(j / n),
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chartCenterY: last.chartCenterY +
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(point.chartCenterY -
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last.chartCenterY) * (j / n),
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plotX: last.plotX +
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(point.plotX - last.plotX) *
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(j / n),
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plotY: last.plotY +
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(point.plotY - last.plotY) *
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(j / n)
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});
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}
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}
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}
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// Add the real point in order to find positive and negative peaks
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if (isNumber(point.plotY)) {
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pushDiscrete(point);
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}
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}
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}
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// Get the bounding box so we can do a quick check first if the bounding
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// boxes overlap.
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/*
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interpolated.bBox = node.getBBox();
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interpolated.bBox.x += paneLeft;
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interpolated.bBox.y += paneTop;
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*/
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return interpolated;
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};
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/**
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* Overridable function to return series-specific font sizes for the labels. By
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* default it returns bigger font sizes for series with the greater sum of y
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* values.
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*
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* @private
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* @function Highcharts.Series#labelFontSize
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*/
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Series.prototype.labelFontSize = function (minFontSize, maxFontSize) {
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return minFontSize + ((this.sum / this.chart.labelSeriesMaxSum) *
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(maxFontSize - minFontSize)) + 'px';
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};
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/**
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* Check whether a proposed label position is clear of other elements.
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*
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* @private
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* @function Highcharts.Series#checkClearPoint
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*/
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Series.prototype.checkClearPoint = function (x, y, bBox, checkDistance) {
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var distToOthersSquared = Number.MAX_VALUE, // distance to other graphs
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distToPointSquared = Number.MAX_VALUE, dist, connectorPoint, onArea = pick(this.options.label.onArea, !!this.area), findDistanceToOthers = (onArea || this.options.label.connectorAllowed), chart = this.chart, series, points, leastDistance = 16, withinRange, xDist, yDist, i, j;
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/**
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* @private
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*/
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function intersectRect(r1, r2) {
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return !(r2.left > r1.right ||
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r2.right < r1.left ||
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r2.top > r1.bottom ||
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r2.bottom < r1.top);
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||||
}
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||||
/**
|
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* Get the weight in order to determine the ideal position. Larger distance
|
||||
* to other series gives more weight. Smaller distance to the actual point
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||||
* (connector points only) gives more weight.
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* @private
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*/
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function getWeight(distToOthersSquared, distToPointSquared) {
|
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return distToOthersSquared - distToPointSquared;
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}
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// First check for collision with existing labels
|
||||
for (i = 0; i < chart.boxesToAvoid.length; i += 1) {
|
||||
if (intersectRect(chart.boxesToAvoid[i], {
|
||||
left: x,
|
||||
right: x + bBox.width,
|
||||
top: y,
|
||||
bottom: y + bBox.height
|
||||
})) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
// For each position, check if the lines around the label intersect with any
|
||||
// of the graphs.
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||||
for (i = 0; i < chart.series.length; i += 1) {
|
||||
series = chart.series[i];
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||||
points = series.interpolatedPoints;
|
||||
if (series.visible && points) {
|
||||
for (j = 1; j < points.length; j += 1) {
|
||||
if (
|
||||
// To avoid processing, only check intersection if the X
|
||||
// values are close to the box.
|
||||
points[j].chartX >= x - leastDistance &&
|
||||
points[j - 1].chartX <= x + bBox.width +
|
||||
leastDistance
|
||||
/* @todo condition above is not the same as below
|
||||
(
|
||||
(points[j].chartX as any) >=
|
||||
(x - leastDistance)
|
||||
) && (
|
||||
(points[j - 1].chartX as any) <=
|
||||
(x + bBox.width + leastDistance)
|
||||
) */
|
||||
) {
|
||||
// If any of the box sides intersect with the line, return.
|
||||
if (boxIntersectLine(x, y, bBox.width, bBox.height, points[j - 1].chartX, points[j - 1].chartY, points[j].chartX, points[j].chartY)) {
|
||||
return false;
|
||||
}
|
||||
// But if it is too far away (a padded box doesn't
|
||||
// intersect), also return.
|
||||
if (this === series && !withinRange && checkDistance) {
|
||||
withinRange = boxIntersectLine(x - leastDistance, y - leastDistance, bBox.width + 2 * leastDistance, bBox.height + 2 * leastDistance, points[j - 1].chartX, points[j - 1].chartY, points[j].chartX, points[j].chartY);
|
||||
}
|
||||
}
|
||||
// Find the squared distance from the center of the label. On
|
||||
// area series, avoid its own graph.
|
||||
if ((findDistanceToOthers || withinRange) &&
|
||||
(this !== series || onArea)) {
|
||||
xDist = x + bBox.width / 2 - points[j].chartX;
|
||||
yDist = y + bBox.height / 2 - points[j].chartY;
|
||||
distToOthersSquared = Math.min(distToOthersSquared, xDist * xDist + yDist * yDist);
|
||||
}
|
||||
}
|
||||
// Do we need a connector?
|
||||
if (!onArea &&
|
||||
findDistanceToOthers &&
|
||||
this === series &&
|
||||
((checkDistance && !withinRange) ||
|
||||
distToOthersSquared < Math.pow(this.options.label.connectorNeighbourDistance, 2))) {
|
||||
for (j = 1; j < points.length; j += 1) {
|
||||
dist = Math.min((Math.pow(x + bBox.width / 2 - points[j].chartX, 2) +
|
||||
Math.pow(y + bBox.height / 2 - points[j].chartY, 2)), (Math.pow(x - points[j].chartX, 2) +
|
||||
Math.pow(y - points[j].chartY, 2)), (Math.pow(x + bBox.width - points[j].chartX, 2) +
|
||||
Math.pow(y - points[j].chartY, 2)), (Math.pow(x + bBox.width - points[j].chartX, 2) +
|
||||
Math.pow(y + bBox.height - points[j].chartY, 2)), (Math.pow(x - points[j].chartX, 2) +
|
||||
Math.pow(y + bBox.height - points[j].chartY, 2)));
|
||||
if (dist < distToPointSquared) {
|
||||
distToPointSquared = dist;
|
||||
connectorPoint = points[j];
|
||||
}
|
||||
}
|
||||
withinRange = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
return !checkDistance || withinRange ? {
|
||||
x: x,
|
||||
y: y,
|
||||
weight: getWeight(distToOthersSquared, connectorPoint ? distToPointSquared : 0),
|
||||
connectorPoint: connectorPoint
|
||||
} : false;
|
||||
};
|
||||
/**
|
||||
* The main initialize method that runs on chart level after initialization and
|
||||
* redraw. It runs in a timeout to prevent locking, and loops over all series,
|
||||
* taking all series and labels into account when placing the labels.
|
||||
*
|
||||
* @private
|
||||
* @function Highcharts.Chart#drawSeriesLabels
|
||||
*/
|
||||
Chart.prototype.drawSeriesLabels = function () {
|
||||
// console.time('drawSeriesLabels');
|
||||
var chart = this, labelSeries = this.labelSeries;
|
||||
chart.boxesToAvoid = [];
|
||||
// Build the interpolated points
|
||||
labelSeries.forEach(function (series) {
|
||||
series.interpolatedPoints = series.getPointsOnGraph();
|
||||
(series.options.label.boxesToAvoid || []).forEach(function (box) {
|
||||
chart.boxesToAvoid.push(box);
|
||||
});
|
||||
});
|
||||
chart.series.forEach(function (series) {
|
||||
var labelOptions = series.options.label;
|
||||
if (!labelOptions || (!series.xAxis && !series.yAxis)) {
|
||||
return;
|
||||
}
|
||||
var bBox, x, y, results = [], clearPoint, i, best, inverted = chart.inverted, paneLeft = (inverted ? series.yAxis.pos : series.xAxis.pos), paneTop = (inverted ? series.xAxis.pos : series.yAxis.pos), paneWidth = chart.inverted ? series.yAxis.len : series.xAxis.len, paneHeight = chart.inverted ? series.xAxis.len : series.yAxis.len, points = series.interpolatedPoints, onArea = pick(labelOptions.onArea, !!series.area), label = series.labelBySeries, isNew = !label, minFontSize = labelOptions.minFontSize, maxFontSize = labelOptions.maxFontSize, dataExtremes, areaMin, areaMax, colorClass = 'highcharts-color-' + pick(series.colorIndex, 'none');
|
||||
// Stay within the area data bounds (#10038)
|
||||
if (onArea && !inverted) {
|
||||
dataExtremes = [
|
||||
series.xAxis.toPixels(series.xData[0]),
|
||||
series.xAxis.toPixels(series.xData[series.xData.length - 1])
|
||||
];
|
||||
areaMin = Math.min.apply(Math, dataExtremes);
|
||||
areaMax = Math.max.apply(Math, dataExtremes);
|
||||
}
|
||||
/**
|
||||
* @private
|
||||
*/
|
||||
function insidePane(x, y, bBox) {
|
||||
var leftBound = Math.max(paneLeft, pick(areaMin, -Infinity)), rightBound = Math.min(paneLeft + paneWidth, pick(areaMax, Infinity));
|
||||
return (x > leftBound &&
|
||||
x <= rightBound - bBox.width &&
|
||||
y >= paneTop &&
|
||||
y <= paneTop + paneHeight - bBox.height);
|
||||
}
|
||||
/**
|
||||
* @private
|
||||
*/
|
||||
function destroyLabel() {
|
||||
if (label) {
|
||||
series.labelBySeries = label.destroy();
|
||||
}
|
||||
}
|
||||
if (series.visible && !series.isSeriesBoosting && points) {
|
||||
if (!label) {
|
||||
var labelText = series.name;
|
||||
if (typeof labelOptions.format === 'string') {
|
||||
labelText = format(labelOptions.format, series, chart);
|
||||
}
|
||||
else if (labelOptions.formatter) {
|
||||
labelText = labelOptions.formatter.call(series);
|
||||
}
|
||||
series.labelBySeries = label = chart.renderer
|
||||
.label(labelText, 0, -9999, 'connector')
|
||||
.addClass('highcharts-series-label ' +
|
||||
'highcharts-series-label-' + series.index + ' ' +
|
||||
(series.options.className || '') + ' ' +
|
||||
colorClass);
|
||||
if (!chart.renderer.styledMode) {
|
||||
label.css(extend({
|
||||
color: onArea ?
|
||||
chart.renderer.getContrast(series.color) :
|
||||
series.color
|
||||
}, labelOptions.style || {}));
|
||||
label.attr({
|
||||
opacity: chart.renderer.forExport ? 1 : 0,
|
||||
stroke: series.color,
|
||||
'stroke-width': 1
|
||||
});
|
||||
}
|
||||
// Adapt label sizes to the sum of the data
|
||||
if (minFontSize && maxFontSize) {
|
||||
label.css({
|
||||
fontSize: series.labelFontSize(minFontSize, maxFontSize)
|
||||
});
|
||||
}
|
||||
label
|
||||
.attr({
|
||||
padding: 0,
|
||||
zIndex: 3
|
||||
})
|
||||
.add();
|
||||
}
|
||||
bBox = label.getBBox();
|
||||
bBox.width = Math.round(bBox.width);
|
||||
// Ideal positions are centered above or below a point on right side
|
||||
// of chart
|
||||
for (i = points.length - 1; i > 0; i -= 1) {
|
||||
if (onArea) {
|
||||
// Centered
|
||||
x = points[i].chartX - bBox.width / 2;
|
||||
y = points[i].chartCenterY - bBox.height / 2;
|
||||
if (insidePane(x, y, bBox)) {
|
||||
best = series.checkClearPoint(x, y, bBox);
|
||||
}
|
||||
if (best) {
|
||||
results.push(best);
|
||||
}
|
||||
}
|
||||
else {
|
||||
// Right - up
|
||||
x = points[i].chartX + labelDistance;
|
||||
y = points[i].chartY - bBox.height - labelDistance;
|
||||
if (insidePane(x, y, bBox)) {
|
||||
best = series.checkClearPoint(x, y, bBox, true);
|
||||
}
|
||||
if (best) {
|
||||
results.push(best);
|
||||
}
|
||||
// Right - down
|
||||
x = points[i].chartX + labelDistance;
|
||||
y = points[i].chartY + labelDistance;
|
||||
if (insidePane(x, y, bBox)) {
|
||||
best = series.checkClearPoint(x, y, bBox, true);
|
||||
}
|
||||
if (best) {
|
||||
results.push(best);
|
||||
}
|
||||
// Left - down
|
||||
x = points[i].chartX - bBox.width - labelDistance;
|
||||
y = points[i].chartY + labelDistance;
|
||||
if (insidePane(x, y, bBox)) {
|
||||
best = series.checkClearPoint(x, y, bBox, true);
|
||||
}
|
||||
if (best) {
|
||||
results.push(best);
|
||||
}
|
||||
// Left - up
|
||||
x = points[i].chartX - bBox.width - labelDistance;
|
||||
y = points[i].chartY - bBox.height - labelDistance;
|
||||
if (insidePane(x, y, bBox)) {
|
||||
best = series.checkClearPoint(x, y, bBox, true);
|
||||
}
|
||||
if (best) {
|
||||
results.push(best);
|
||||
}
|
||||
}
|
||||
}
|
||||
// Brute force, try all positions on the chart in a 16x16 grid
|
||||
if (labelOptions.connectorAllowed && !results.length && !onArea) {
|
||||
for (x = paneLeft + paneWidth - bBox.width; x >= paneLeft; x -= 16) {
|
||||
for (y = paneTop; y < paneTop + paneHeight - bBox.height; y += 16) {
|
||||
clearPoint = series.checkClearPoint(x, y, bBox, true);
|
||||
if (clearPoint) {
|
||||
results.push(clearPoint);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if (results.length) {
|
||||
results.sort(function (a, b) {
|
||||
return b.weight - a.weight;
|
||||
});
|
||||
best = results[0];
|
||||
chart.boxesToAvoid.push({
|
||||
left: best.x,
|
||||
right: best.x + bBox.width,
|
||||
top: best.y,
|
||||
bottom: best.y + bBox.height
|
||||
});
|
||||
// Move it if needed
|
||||
var dist = Math.sqrt(Math.pow(Math.abs(best.x - (label.x || 0)), 2) +
|
||||
Math.pow(Math.abs(best.y - (label.y || 0)), 2));
|
||||
if (dist && series.labelBySeries) {
|
||||
// Move fast and fade in - pure animation movement is
|
||||
// distractive...
|
||||
var attr = {
|
||||
opacity: chart.renderer.forExport ? 1 : 0,
|
||||
x: best.x,
|
||||
y: best.y
|
||||
}, anim = {
|
||||
opacity: 1
|
||||
};
|
||||
// ... unless we're just moving a short distance
|
||||
if (dist <= 10) {
|
||||
anim = {
|
||||
x: attr.x,
|
||||
y: attr.y
|
||||
};
|
||||
attr = {};
|
||||
}
|
||||
// Default initial animation to a fraction of the series
|
||||
// animation (#9396)
|
||||
var animationOptions = void 0;
|
||||
if (isNew) {
|
||||
animationOptions = animObject(series.options.animation);
|
||||
// @todo: Safely remove any cast after merging #13005
|
||||
animationOptions.duration *= 0.2;
|
||||
}
|
||||
series.labelBySeries
|
||||
.attr(extend(attr, {
|
||||
anchorX: best.connectorPoint &&
|
||||
best.connectorPoint.plotX + paneLeft,
|
||||
anchorY: best.connectorPoint &&
|
||||
best.connectorPoint.plotY + paneTop
|
||||
}))
|
||||
.animate(anim, animationOptions);
|
||||
// Record closest point to stick to for sync redraw
|
||||
series.options.kdNow = true;
|
||||
series.buildKDTree();
|
||||
var closest = series.searchPoint({
|
||||
chartX: best.x,
|
||||
chartY: best.y
|
||||
}, true);
|
||||
if (closest) {
|
||||
label.closest = [
|
||||
closest,
|
||||
best.x - (closest.plotX || 0),
|
||||
best.y - (closest.plotY || 0)
|
||||
];
|
||||
}
|
||||
}
|
||||
}
|
||||
else {
|
||||
destroyLabel();
|
||||
}
|
||||
}
|
||||
else {
|
||||
destroyLabel();
|
||||
}
|
||||
});
|
||||
fireEvent(chart, 'afterDrawSeriesLabels');
|
||||
// console.timeEnd('drawSeriesLabels');
|
||||
};
|
||||
/* eslint-disable no-invalid-this */
|
||||
/**
|
||||
* Prepare drawing series labels.
|
||||
*
|
||||
* @private
|
||||
* @function drawLabels
|
||||
*/
|
||||
function drawLabels(e) {
|
||||
if (this.renderer) {
|
||||
var chart = this, delay = animObject(chart.renderer.globalAnimation).duration;
|
||||
chart.labelSeries = [];
|
||||
chart.labelSeriesMaxSum = 0;
|
||||
U.clearTimeout(chart.seriesLabelTimer);
|
||||
// Which series should have labels
|
||||
chart.series.forEach(function (series) {
|
||||
var options = series.options.label, label = series.labelBySeries, closest = label && label.closest;
|
||||
if (options.enabled &&
|
||||
series.visible &&
|
||||
(series.graph || series.area) &&
|
||||
!series.isSeriesBoosting) {
|
||||
chart.labelSeries.push(series);
|
||||
if (options.minFontSize && options.maxFontSize) {
|
||||
series.sum = series.yData.reduce(function (pv, cv) {
|
||||
return (pv || 0) + (cv || 0);
|
||||
}, 0);
|
||||
chart.labelSeriesMaxSum = Math.max(chart.labelSeriesMaxSum, series.sum);
|
||||
}
|
||||
// The labels are processing heavy, wait until the animation is
|
||||
// done
|
||||
if (e.type === 'load') {
|
||||
delay = Math.max(delay, animObject(series.options.animation).duration);
|
||||
}
|
||||
// Keep the position updated to the axis while redrawing
|
||||
if (closest) {
|
||||
if (typeof closest[0].plotX !== 'undefined') {
|
||||
label.animate({
|
||||
x: closest[0].plotX + closest[1],
|
||||
y: closest[0].plotY + closest[2]
|
||||
});
|
||||
}
|
||||
else {
|
||||
label.attr({ opacity: 0 });
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
chart.seriesLabelTimer = syncTimeout(function () {
|
||||
if (chart.series && chart.labelSeries) { // #7931, chart destroyed
|
||||
chart.drawSeriesLabels();
|
||||
}
|
||||
}, chart.renderer.forExport || !delay ? 0 : delay);
|
||||
}
|
||||
}
|
||||
// Leave both events, we handle animation differently (#9815)
|
||||
addEvent(Chart, 'load', drawLabels);
|
||||
addEvent(Chart, 'redraw', drawLabels);
|
||||
Reference in New Issue
Block a user