905 lines
36 KiB
JavaScript
905 lines
36 KiB
JavaScript
/* *
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*
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* (c) 2010-2020 Highsoft AS
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*
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* Author: Paweł Potaczek
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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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/**
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* @interface Highcharts.BubbleLegendFormatterContextObject
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*/ /**
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* The center y position of the range.
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* @name Highcharts.BubbleLegendFormatterContextObject#center
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* @type {number}
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*/ /**
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* The radius of the bubble range.
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* @name Highcharts.BubbleLegendFormatterContextObject#radius
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* @type {number}
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*/ /**
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* The bubble value.
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* @name Highcharts.BubbleLegendFormatterContextObject#value
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* @type {number}
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*/
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''; // detach doclets above
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import Color from '../parts/Color.js';
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var color = Color.parse;
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import Legend from '../parts/Legend.js';
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import U from '../parts/Utilities.js';
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var addEvent = U.addEvent, arrayMax = U.arrayMax, arrayMin = U.arrayMin, isNumber = U.isNumber, merge = U.merge, objectEach = U.objectEach, pick = U.pick, stableSort = U.stableSort, wrap = U.wrap;
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var Series = H.Series, Chart = H.Chart, noop = H.noop, setOptions = H.setOptions;
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setOptions({
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legend: {
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/**
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* The bubble legend is an additional element in legend which
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* presents the scale of the bubble series. Individual bubble ranges
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* can be defined by user or calculated from series. In the case of
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* automatically calculated ranges, a 1px margin of error is
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* permitted.
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*
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* @since 7.0.0
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* @product highcharts highstock highmaps
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* @requires highcharts-more
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* @optionparent legend.bubbleLegend
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*/
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bubbleLegend: {
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/**
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* The color of the ranges borders, can be also defined for an
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* individual range.
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*
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* @sample highcharts/bubble-legend/similartoseries/
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* Similat look to the bubble series
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* @sample highcharts/bubble-legend/bordercolor/
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* Individual bubble border color
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*
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* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
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*/
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borderColor: void 0,
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/**
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* The width of the ranges borders in pixels, can be also
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* defined for an individual range.
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*/
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borderWidth: 2,
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/**
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* An additional class name to apply to the bubble legend'
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* circle graphical elements. This option does not replace
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* default class names of the graphical element.
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*
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* @sample {highcharts} highcharts/css/bubble-legend/
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* Styling by CSS
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*
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* @type {string}
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*/
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className: void 0,
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/**
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* The main color of the bubble legend. Applies to ranges, if
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* individual color is not defined.
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*
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* @sample highcharts/bubble-legend/similartoseries/
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* Similat look to the bubble series
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* @sample highcharts/bubble-legend/color/
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* Individual bubble color
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*
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* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
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*/
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color: void 0,
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/**
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* An additional class name to apply to the bubble legend's
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* connector graphical elements. This option does not replace
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* default class names of the graphical element.
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*
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* @sample {highcharts} highcharts/css/bubble-legend/
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* Styling by CSS
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*
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* @type {string}
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*/
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connectorClassName: void 0,
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/**
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* The color of the connector, can be also defined
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* for an individual range.
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*
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* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
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*/
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connectorColor: void 0,
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/**
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* The length of the connectors in pixels. If labels are
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* centered, the distance is reduced to 0.
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*
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* @sample highcharts/bubble-legend/connectorandlabels/
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* Increased connector length
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*/
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connectorDistance: 60,
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/**
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* The width of the connectors in pixels.
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*
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* @sample highcharts/bubble-legend/connectorandlabels/
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* Increased connector width
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*/
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connectorWidth: 1,
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/**
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* Enable or disable the bubble legend.
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*/
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enabled: false,
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/**
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* Options for the bubble legend labels.
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*/
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labels: {
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/**
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* An additional class name to apply to the bubble legend
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* label graphical elements. This option does not replace
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* default class names of the graphical element.
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*
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* @sample {highcharts} highcharts/css/bubble-legend/
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* Styling by CSS
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*
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* @type {string}
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*/
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className: void 0,
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/**
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* Whether to allow data labels to overlap.
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*/
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allowOverlap: false,
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/**
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* A format string for the bubble legend labels. Available
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* variables are the same as for `formatter`.
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*
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* @sample highcharts/bubble-legend/format/
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* Add a unit
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*
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* @type {string}
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*/
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format: '',
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/**
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* Available `this` properties are:
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*
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* - `this.value`: The bubble value.
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*
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* - `this.radius`: The radius of the bubble range.
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*
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* - `this.center`: The center y position of the range.
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*
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* @type {Highcharts.FormatterCallbackFunction<Highcharts.BubbleLegendFormatterContextObject>}
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*/
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formatter: void 0,
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/**
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* The alignment of the labels compared to the bubble
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* legend. Can be one of `left`, `center` or `right`.
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*
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* @sample highcharts/bubble-legend/connectorandlabels/
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* Labels on left
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*
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* @type {Highcharts.AlignValue}
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*/
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align: 'right',
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/**
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* CSS styles for the labels.
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*
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* @type {Highcharts.CSSObject}
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*/
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style: {
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/** @ignore-option */
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fontSize: 10,
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/** @ignore-option */
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color: void 0
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},
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/**
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* The x position offset of the label relative to the
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* connector.
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*/
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x: 0,
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/**
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* The y position offset of the label relative to the
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* connector.
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*/
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y: 0
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},
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/**
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* Miximum bubble legend range size. If values for ranges are
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* not specified, the `minSize` and the `maxSize` are calculated
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* from bubble series.
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*/
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maxSize: 60,
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/**
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* Minimum bubble legend range size. If values for ranges are
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* not specified, the `minSize` and the `maxSize` are calculated
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* from bubble series.
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*/
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minSize: 10,
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/**
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* The position of the bubble legend in the legend.
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* @sample highcharts/bubble-legend/connectorandlabels/
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* Bubble legend as last item in legend
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*/
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legendIndex: 0,
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/**
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* Options for specific range. One range consists of bubble,
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* label and connector.
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*
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* @sample highcharts/bubble-legend/ranges/
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* Manually defined ranges
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* @sample highcharts/bubble-legend/autoranges/
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* Auto calculated ranges
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*
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* @type {Array<*>}
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*/
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ranges: {
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/**
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* Range size value, similar to bubble Z data.
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* @type {number}
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*/
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value: void 0,
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/**
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* The color of the border for individual range.
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* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
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*/
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borderColor: void 0,
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/**
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* The color of the bubble for individual range.
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* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
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*/
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color: void 0,
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/**
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* The color of the connector for individual range.
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* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
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*/
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connectorColor: void 0
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},
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/**
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* Whether the bubble legend range value should be represented
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* by the area or the width of the bubble. The default, area,
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* corresponds best to the human perception of the size of each
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* bubble.
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*
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* @sample highcharts/bubble-legend/ranges/
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* Size by width
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*
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* @type {Highcharts.BubbleSizeByValue}
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*/
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sizeBy: 'area',
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/**
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* When this is true, the absolute value of z determines the
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* size of the bubble. This means that with the default
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* zThreshold of 0, a bubble of value -1 will have the same size
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* as a bubble of value 1, while a bubble of value 0 will have a
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* smaller size according to minSize.
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*/
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sizeByAbsoluteValue: false,
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/**
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* Define the visual z index of the bubble legend.
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*/
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zIndex: 1,
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/**
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* Ranges with with lower value than zThreshold, are skipped.
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*/
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zThreshold: 0
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}
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}
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});
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/* eslint-disable no-invalid-this, valid-jsdoc */
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/**
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* BubbleLegend class.
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*
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* @private
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* @class
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* @name Highcharts.BubbleLegend
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* @param {Highcharts.LegendBubbleLegendOptions} options
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* Bubble legend options
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* @param {Highcharts.Legend} legend
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* Legend
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*/
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var BubbleLegend = /** @class */ (function () {
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function BubbleLegend(options, legend) {
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this.chart = void 0;
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this.fontMetrics = void 0;
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this.legend = void 0;
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this.legendGroup = void 0;
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this.legendItem = void 0;
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this.legendItemHeight = void 0;
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this.legendItemWidth = void 0;
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this.legendSymbol = void 0;
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this.maxLabel = void 0;
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this.movementX = void 0;
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this.ranges = void 0;
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this.visible = void 0;
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this.symbols = void 0;
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this.options = void 0;
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this.setState = noop;
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this.init(options, legend);
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}
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/**
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* Create basic bubbleLegend properties similar to item in legend.
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*
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* @private
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* @function Highcharts.BubbleLegend#init
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* @param {Highcharts.LegendBubbleLegendOptions} options
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* Bubble legend options
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* @param {Highcharts.Legend} legend
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* Legend
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* @return {void}
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*/
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BubbleLegend.prototype.init = function (options, legend) {
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this.options = options;
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this.visible = true;
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this.chart = legend.chart;
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this.legend = legend;
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};
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/**
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* Depending on the position option, add bubbleLegend to legend items.
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*
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* @private
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* @function Highcharts.BubbleLegend#addToLegend
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* @param {Array<(Highcharts.Point|Highcharts.Series)>}
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* All legend items
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* @return {void}
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*/
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BubbleLegend.prototype.addToLegend = function (items) {
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// Insert bubbleLegend into legend items
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items.splice(this.options.legendIndex, 0, this);
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};
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/**
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* Calculate ranges, sizes and call the next steps of bubbleLegend
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* creation.
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*
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* @private
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* @function Highcharts.BubbleLegend#drawLegendSymbol
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* @param {Highcharts.Legend} legend
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* Legend instance
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* @return {void}
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*/
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BubbleLegend.prototype.drawLegendSymbol = function (legend) {
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var chart = this.chart, options = this.options, size, itemDistance = pick(legend.options.itemDistance, 20), connectorSpace, ranges = options.ranges, radius, maxLabel, connectorDistance = options.connectorDistance;
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// Predict label dimensions
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this.fontMetrics = chart.renderer.fontMetrics(options.labels.style.fontSize.toString() + 'px');
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// Do not create bubbleLegend now if ranges or ranges valeus are not
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// specified or if are empty array.
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if (!ranges || !ranges.length || !isNumber(ranges[0].value)) {
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legend.options.bubbleLegend.autoRanges = true;
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return;
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}
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// Sort ranges to right render order
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stableSort(ranges, function (a, b) {
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return b.value - a.value;
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});
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this.ranges = ranges;
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this.setOptions();
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this.render();
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// Get max label size
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maxLabel = this.getMaxLabelSize();
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radius = this.ranges[0].radius;
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size = radius * 2;
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// Space for connectors and labels.
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connectorSpace =
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connectorDistance - radius + maxLabel.width;
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connectorSpace = connectorSpace > 0 ? connectorSpace : 0;
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this.maxLabel = maxLabel;
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this.movementX = options.labels.align === 'left' ?
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connectorSpace : 0;
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this.legendItemWidth = size + connectorSpace + itemDistance;
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this.legendItemHeight = size + this.fontMetrics.h / 2;
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};
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/**
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* Set style options for each bubbleLegend range.
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*
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* @private
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* @function Highcharts.BubbleLegend#setOptions
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* @return {void}
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*/
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BubbleLegend.prototype.setOptions = function () {
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var ranges = this.ranges, options = this.options, series = this.chart.series[options.seriesIndex], baseline = this.legend.baseline, bubbleStyle = {
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'z-index': options.zIndex,
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'stroke-width': options.borderWidth
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}, connectorStyle = {
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'z-index': options.zIndex,
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'stroke-width': options.connectorWidth
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}, labelStyle = this.getLabelStyles(), fillOpacity = series.options.marker.fillOpacity, styledMode = this.chart.styledMode;
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// Allow to parts of styles be used individually for range
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ranges.forEach(function (range, i) {
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if (!styledMode) {
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bubbleStyle.stroke = pick(range.borderColor, options.borderColor, series.color);
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bubbleStyle.fill = pick(range.color, options.color, fillOpacity !== 1 ?
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color(series.color).setOpacity(fillOpacity)
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.get('rgba') :
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series.color);
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connectorStyle.stroke = pick(range.connectorColor, options.connectorColor, series.color);
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}
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// Set options needed for rendering each range
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ranges[i].radius = this.getRangeRadius(range.value);
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ranges[i] = merge(ranges[i], {
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center: (ranges[0].radius - ranges[i].radius +
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baseline)
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});
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if (!styledMode) {
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merge(true, ranges[i], {
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bubbleStyle: merge(false, bubbleStyle),
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connectorStyle: merge(false, connectorStyle),
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labelStyle: labelStyle
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});
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}
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}, this);
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};
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/**
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* Merge options for bubbleLegend labels.
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*
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* @private
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* @function Highcharts.BubbleLegend#getLabelStyles
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* @return {Highcharts.CSSObject}
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*/
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BubbleLegend.prototype.getLabelStyles = function () {
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var options = this.options, additionalLabelsStyle = {}, labelsOnLeft = options.labels.align === 'left', rtl = this.legend.options.rtl;
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// To separate additional style options
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objectEach(options.labels.style, function (value, key) {
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if (key !== 'color' &&
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key !== 'fontSize' &&
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key !== 'z-index') {
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additionalLabelsStyle[key] = value;
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}
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});
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return merge(false, additionalLabelsStyle, {
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'font-size': options.labels.style.fontSize,
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fill: pick(options.labels.style.color, '#000000'),
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'z-index': options.zIndex,
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align: rtl || labelsOnLeft ? 'right' : 'left'
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});
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};
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/**
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* Calculate radius for each bubble range,
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* used code from BubbleSeries.js 'getRadius' method.
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*
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* @private
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* @function Highcharts.BubbleLegend#getRangeRadius
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* @param {number} value
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* Range value
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* @return {number|null}
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* Radius for one range
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*/
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BubbleLegend.prototype.getRangeRadius = function (value) {
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var options = this.options, seriesIndex = this.options.seriesIndex, bubbleSeries = this.chart.series[seriesIndex], zMax = options.ranges[0].value, zMin = options.ranges[options.ranges.length - 1].value, minSize = options.minSize, maxSize = options.maxSize;
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return bubbleSeries.getRadius.call(this, zMin, zMax, minSize, maxSize, value);
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};
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/**
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* Render the legendSymbol group.
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*
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* @private
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* @function Highcharts.BubbleLegend#render
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* @return {void}
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*/
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BubbleLegend.prototype.render = function () {
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var renderer = this.chart.renderer, zThreshold = this.options.zThreshold;
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if (!this.symbols) {
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this.symbols = {
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connectors: [],
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bubbleItems: [],
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labels: []
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};
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}
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// Nesting SVG groups to enable handleOverflow
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this.legendSymbol = renderer.g('bubble-legend');
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this.legendItem = renderer.g('bubble-legend-item');
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// To enable default 'hideOverlappingLabels' method
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this.legendSymbol.translateX = 0;
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this.legendSymbol.translateY = 0;
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this.ranges.forEach(function (range) {
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if (range.value >= zThreshold) {
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this.renderRange(range);
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}
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}, this);
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// To use handleOverflow method
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this.legendSymbol.add(this.legendItem);
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this.legendItem.add(this.legendGroup);
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this.hideOverlappingLabels();
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};
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/**
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* Render one range, consisting of bubble symbol, connector and label.
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*
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* @private
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* @function Highcharts.BubbleLegend#renderRange
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* @param {Highcharts.LegendBubbleLegendRangesOptions} range
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* Range options
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* @return {void}
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*/
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BubbleLegend.prototype.renderRange = function (range) {
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var mainRange = this.ranges[0], legend = this.legend, options = this.options, labelsOptions = options.labels, chart = this.chart, renderer = chart.renderer, symbols = this.symbols, labels = symbols.labels, label, elementCenter = range.center, absoluteRadius = Math.abs(range.radius), connectorDistance = options.connectorDistance || 0, labelsAlign = labelsOptions.align, rtl = legend.options.rtl, fontSize = labelsOptions.style.fontSize, connectorLength = rtl || labelsAlign === 'left' ?
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-connectorDistance : connectorDistance, borderWidth = options.borderWidth, connectorWidth = options.connectorWidth, posX = mainRange.radius || 0, posY = elementCenter - absoluteRadius -
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borderWidth / 2 + connectorWidth / 2, labelY, labelX, fontMetrics = this.fontMetrics, labelMovement = fontSize / 2 - (fontMetrics.h - fontSize) / 2, crispMovement = (posY % 1 ? 1 : 0.5) -
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(connectorWidth % 2 ? 0 : 0.5), styledMode = renderer.styledMode;
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// Set options for centered labels
|
|
if (labelsAlign === 'center') {
|
|
connectorLength = 0; // do not use connector
|
|
options.connectorDistance = 0;
|
|
range.labelStyle.align = 'center';
|
|
}
|
|
labelY = posY + options.labels.y;
|
|
labelX = posX + connectorLength + options.labels.x;
|
|
// Render bubble symbol
|
|
symbols.bubbleItems.push(renderer
|
|
.circle(posX, elementCenter + crispMovement, absoluteRadius)
|
|
.attr(styledMode ? {} : range.bubbleStyle)
|
|
.addClass((styledMode ?
|
|
'highcharts-color-' +
|
|
this.options.seriesIndex + ' ' :
|
|
'') +
|
|
'highcharts-bubble-legend-symbol ' +
|
|
(options.className || '')).add(this.legendSymbol));
|
|
// Render connector
|
|
symbols.connectors.push(renderer
|
|
.path(renderer.crispLine([
|
|
['M', posX, posY],
|
|
['L', posX + connectorLength, posY]
|
|
], options.connectorWidth))
|
|
.attr(styledMode ? {} : range.connectorStyle)
|
|
.addClass((styledMode ?
|
|
'highcharts-color-' +
|
|
this.options.seriesIndex + ' ' : '') +
|
|
'highcharts-bubble-legend-connectors ' +
|
|
(options.connectorClassName || '')).add(this.legendSymbol));
|
|
// Render label
|
|
label = renderer
|
|
.text(this.formatLabel(range), labelX, labelY + labelMovement)
|
|
.attr(styledMode ? {} : range.labelStyle)
|
|
.addClass('highcharts-bubble-legend-labels ' +
|
|
(options.labels.className || '')).add(this.legendSymbol);
|
|
labels.push(label);
|
|
// To enable default 'hideOverlappingLabels' method
|
|
label.placed = true;
|
|
label.alignAttr = {
|
|
x: labelX,
|
|
y: labelY + labelMovement
|
|
};
|
|
};
|
|
/**
|
|
* Get the label which takes up the most space.
|
|
*
|
|
* @private
|
|
* @function Highcharts.BubbleLegend#getMaxLabelSize
|
|
* @return {Highcharts.BBoxObject}
|
|
*/
|
|
BubbleLegend.prototype.getMaxLabelSize = function () {
|
|
var labels = this.symbols.labels, maxLabel, labelSize;
|
|
labels.forEach(function (label) {
|
|
labelSize = label.getBBox(true);
|
|
if (maxLabel) {
|
|
maxLabel = labelSize.width > maxLabel.width ?
|
|
labelSize : maxLabel;
|
|
}
|
|
else {
|
|
maxLabel = labelSize;
|
|
}
|
|
});
|
|
return maxLabel || {};
|
|
};
|
|
/**
|
|
* Get formatted label for range.
|
|
*
|
|
* @private
|
|
* @function Highcharts.BubbleLegend#formatLabel
|
|
* @param {Highcharts.LegendBubbleLegendRangesOptions} range
|
|
* Range options
|
|
* @return {string}
|
|
* Range label text
|
|
*/
|
|
BubbleLegend.prototype.formatLabel = function (range) {
|
|
var options = this.options, formatter = options.labels.formatter, format = options.labels.format;
|
|
var numberFormatter = this.chart.numberFormatter;
|
|
return format ? U.format(format, range) :
|
|
formatter ? formatter.call(range) :
|
|
numberFormatter(range.value, 1);
|
|
};
|
|
/**
|
|
* By using default chart 'hideOverlappingLabels' method, hide or show
|
|
* labels and connectors.
|
|
*
|
|
* @private
|
|
* @function Highcharts.BubbleLegend#hideOverlappingLabels
|
|
* @return {void}
|
|
*/
|
|
BubbleLegend.prototype.hideOverlappingLabels = function () {
|
|
var chart = this.chart, allowOverlap = this.options.labels.allowOverlap, symbols = this.symbols;
|
|
if (!allowOverlap && symbols) {
|
|
chart.hideOverlappingLabels(symbols.labels);
|
|
// Hide or show connectors
|
|
symbols.labels.forEach(function (label, index) {
|
|
if (!label.newOpacity) {
|
|
symbols.connectors[index].hide();
|
|
}
|
|
else if (label.newOpacity !== label.oldOpacity) {
|
|
symbols.connectors[index].show();
|
|
}
|
|
});
|
|
}
|
|
};
|
|
/**
|
|
* Calculate ranges from created series.
|
|
*
|
|
* @private
|
|
* @function Highcharts.BubbleLegend#getRanges
|
|
* @return {Array<Highcharts.LegendBubbleLegendRangesOptions>}
|
|
* Array of range objects
|
|
*/
|
|
BubbleLegend.prototype.getRanges = function () {
|
|
var bubbleLegend = this.legend.bubbleLegend, series = bubbleLegend.chart.series, ranges, rangesOptions = bubbleLegend.options.ranges, zData, minZ = Number.MAX_VALUE, maxZ = -Number.MAX_VALUE;
|
|
series.forEach(function (s) {
|
|
// Find the min and max Z, like in bubble series
|
|
if (s.isBubble && !s.ignoreSeries) {
|
|
zData = s.zData.filter(isNumber);
|
|
if (zData.length) {
|
|
minZ = pick(s.options.zMin, Math.min(minZ, Math.max(arrayMin(zData), s.options.displayNegative === false ?
|
|
s.options.zThreshold :
|
|
-Number.MAX_VALUE)));
|
|
maxZ = pick(s.options.zMax, Math.max(maxZ, arrayMax(zData)));
|
|
}
|
|
}
|
|
});
|
|
// Set values for ranges
|
|
if (minZ === maxZ) {
|
|
// Only one range if min and max values are the same.
|
|
ranges = [{ value: maxZ }];
|
|
}
|
|
else {
|
|
ranges = [
|
|
{ value: minZ },
|
|
{ value: (minZ + maxZ) / 2 },
|
|
{ value: maxZ, autoRanges: true }
|
|
];
|
|
}
|
|
// Prevent reverse order of ranges after redraw
|
|
if (rangesOptions.length && rangesOptions[0].radius) {
|
|
ranges.reverse();
|
|
}
|
|
// Merge ranges values with user options
|
|
ranges.forEach(function (range, i) {
|
|
if (rangesOptions && rangesOptions[i]) {
|
|
ranges[i] = merge(false, rangesOptions[i], range);
|
|
}
|
|
});
|
|
return ranges;
|
|
};
|
|
/**
|
|
* Calculate bubble legend sizes from rendered series.
|
|
*
|
|
* @private
|
|
* @function Highcharts.BubbleLegend#predictBubbleSizes
|
|
* @return {Array<number,number>}
|
|
* Calculated min and max bubble sizes
|
|
*/
|
|
BubbleLegend.prototype.predictBubbleSizes = function () {
|
|
var chart = this.chart, fontMetrics = this.fontMetrics, legendOptions = chart.legend.options, floating = legendOptions.floating, horizontal = legendOptions.layout === 'horizontal', lastLineHeight = horizontal ? chart.legend.lastLineHeight : 0, plotSizeX = chart.plotSizeX, plotSizeY = chart.plotSizeY, bubbleSeries = chart.series[this.options.seriesIndex], minSize = Math.ceil(bubbleSeries.minPxSize), maxPxSize = Math.ceil(bubbleSeries.maxPxSize), maxSize = bubbleSeries.options.maxSize, plotSize = Math.min(plotSizeY, plotSizeX), calculatedSize;
|
|
// Calculate prediceted max size of bubble
|
|
if (floating || !(/%$/.test(maxSize))) {
|
|
calculatedSize = maxPxSize;
|
|
}
|
|
else {
|
|
maxSize = parseFloat(maxSize);
|
|
calculatedSize = ((plotSize + lastLineHeight -
|
|
fontMetrics.h / 2) * maxSize / 100) / (maxSize / 100 + 1);
|
|
// Get maxPxSize from bubble series if calculated bubble legend
|
|
// size will not affect to bubbles series.
|
|
if ((horizontal && plotSizeY - calculatedSize >=
|
|
plotSizeX) || (!horizontal && plotSizeX -
|
|
calculatedSize >= plotSizeY)) {
|
|
calculatedSize = maxPxSize;
|
|
}
|
|
}
|
|
return [minSize, Math.ceil(calculatedSize)];
|
|
};
|
|
/**
|
|
* Correct ranges with calculated sizes.
|
|
*
|
|
* @private
|
|
* @function Highcharts.BubbleLegend#updateRanges
|
|
* @param {number} min
|
|
* @param {number} max
|
|
* @return {void}
|
|
*/
|
|
BubbleLegend.prototype.updateRanges = function (min, max) {
|
|
var bubbleLegendOptions = this.legend.options.bubbleLegend;
|
|
bubbleLegendOptions.minSize = min;
|
|
bubbleLegendOptions.maxSize = max;
|
|
bubbleLegendOptions.ranges = this.getRanges();
|
|
};
|
|
/**
|
|
* Because of the possibility of creating another legend line, predicted
|
|
* bubble legend sizes may differ by a few pixels, so it is necessary to
|
|
* correct them.
|
|
*
|
|
* @private
|
|
* @function Highcharts.BubbleLegend#correctSizes
|
|
* @return {void}
|
|
*/
|
|
BubbleLegend.prototype.correctSizes = function () {
|
|
var legend = this.legend, chart = this.chart, bubbleSeries = chart.series[this.options.seriesIndex], bubbleSeriesSize = bubbleSeries.maxPxSize, bubbleLegendSize = this.options.maxSize;
|
|
if (Math.abs(Math.ceil(bubbleSeriesSize) - bubbleLegendSize) >
|
|
1) {
|
|
this.updateRanges(this.options.minSize, bubbleSeries.maxPxSize);
|
|
legend.render();
|
|
}
|
|
};
|
|
return BubbleLegend;
|
|
}());
|
|
// Start the bubble legend creation process.
|
|
addEvent(Legend, 'afterGetAllItems', function (e) {
|
|
var legend = this, bubbleLegend = legend.bubbleLegend, legendOptions = legend.options, options = legendOptions.bubbleLegend, bubbleSeriesIndex = legend.chart.getVisibleBubbleSeriesIndex();
|
|
// Remove unnecessary element
|
|
if (bubbleLegend && bubbleLegend.ranges && bubbleLegend.ranges.length) {
|
|
// Allow change the way of calculating ranges in update
|
|
if (options.ranges.length) {
|
|
options.autoRanges =
|
|
!!options.ranges[0].autoRanges;
|
|
}
|
|
// Update bubbleLegend dimensions in each redraw
|
|
legend.destroyItem(bubbleLegend);
|
|
}
|
|
// Create bubble legend
|
|
if (bubbleSeriesIndex >= 0 &&
|
|
legendOptions.enabled &&
|
|
options.enabled) {
|
|
options.seriesIndex = bubbleSeriesIndex;
|
|
legend.bubbleLegend = new H.BubbleLegend(options, legend);
|
|
legend.bubbleLegend.addToLegend(e.allItems);
|
|
}
|
|
});
|
|
/**
|
|
* Check if there is at least one visible bubble series.
|
|
*
|
|
* @private
|
|
* @function Highcharts.Chart#getVisibleBubbleSeriesIndex
|
|
* @return {number}
|
|
* First visible bubble series index
|
|
*/
|
|
Chart.prototype.getVisibleBubbleSeriesIndex = function () {
|
|
var series = this.series, i = 0;
|
|
while (i < series.length) {
|
|
if (series[i] &&
|
|
series[i].isBubble &&
|
|
series[i].visible &&
|
|
series[i].zData.length) {
|
|
return i;
|
|
}
|
|
i++;
|
|
}
|
|
return -1;
|
|
};
|
|
/**
|
|
* Calculate height for each row in legend.
|
|
*
|
|
* @private
|
|
* @function Highcharts.Legend#getLinesHeights
|
|
* @return {Array<Highcharts.Dictionary<number>>}
|
|
* Informations about line height and items amount
|
|
*/
|
|
Legend.prototype.getLinesHeights = function () {
|
|
var items = this.allItems, lines = [], lastLine, length = items.length, i = 0, j = 0;
|
|
for (i = 0; i < length; i++) {
|
|
if (items[i].legendItemHeight) {
|
|
// for bubbleLegend
|
|
items[i].itemHeight = items[i].legendItemHeight;
|
|
}
|
|
if ( // Line break
|
|
items[i] === items[length - 1] ||
|
|
items[i + 1] &&
|
|
items[i]._legendItemPos[1] !==
|
|
items[i + 1]._legendItemPos[1]) {
|
|
lines.push({ height: 0 });
|
|
lastLine = lines[lines.length - 1];
|
|
// Find the highest item in line
|
|
for (j; j <= i; j++) {
|
|
if (items[j].itemHeight > lastLine.height) {
|
|
lastLine.height = items[j].itemHeight;
|
|
}
|
|
}
|
|
lastLine.step = i;
|
|
}
|
|
}
|
|
return lines;
|
|
};
|
|
/**
|
|
* Correct legend items translation in case of different elements heights.
|
|
*
|
|
* @private
|
|
* @function Highcharts.Legend#retranslateItems
|
|
* @param {Array<Highcharts.Dictionary<number>>} lines
|
|
* Informations about line height and items amount
|
|
* @return {void}
|
|
*/
|
|
Legend.prototype.retranslateItems = function (lines) {
|
|
var items = this.allItems, orgTranslateX, orgTranslateY, movementX, rtl = this.options.rtl, actualLine = 0;
|
|
items.forEach(function (item, index) {
|
|
orgTranslateX = item.legendGroup.translateX;
|
|
orgTranslateY = item._legendItemPos[1];
|
|
movementX = item.movementX;
|
|
if (movementX || (rtl && item.ranges)) {
|
|
movementX = rtl ?
|
|
orgTranslateX - item.options.maxSize / 2 :
|
|
orgTranslateX + movementX;
|
|
item.legendGroup.attr({ translateX: movementX });
|
|
}
|
|
if (index > lines[actualLine].step) {
|
|
actualLine++;
|
|
}
|
|
item.legendGroup.attr({
|
|
translateY: Math.round(orgTranslateY + lines[actualLine].height / 2)
|
|
});
|
|
item._legendItemPos[1] = orgTranslateY +
|
|
lines[actualLine].height / 2;
|
|
});
|
|
};
|
|
// Toggle bubble legend depending on the visible status of bubble series.
|
|
addEvent(Series, 'legendItemClick', function () {
|
|
var series = this, chart = series.chart, visible = series.visible, legend = series.chart.legend, status;
|
|
if (legend && legend.bubbleLegend) {
|
|
// Temporary correct 'visible' property
|
|
series.visible = !visible;
|
|
// Save future status for getRanges method
|
|
series.ignoreSeries = visible;
|
|
// Check if at lest one bubble series is visible
|
|
status = chart.getVisibleBubbleSeriesIndex() >= 0;
|
|
// Hide bubble legend if all bubble series are disabled
|
|
if (legend.bubbleLegend.visible !== status) {
|
|
// Show or hide bubble legend
|
|
legend.update({
|
|
bubbleLegend: { enabled: status }
|
|
});
|
|
legend.bubbleLegend.visible = status; // Restore default status
|
|
}
|
|
series.visible = visible;
|
|
}
|
|
});
|
|
// If ranges are not specified, determine ranges from rendered bubble series
|
|
// and render legend again.
|
|
wrap(Chart.prototype, 'drawChartBox', function (proceed, options, callback) {
|
|
var chart = this, legend = chart.legend, bubbleSeries = chart.getVisibleBubbleSeriesIndex() >= 0, bubbleLegendOptions, bubbleSizes;
|
|
if (legend && legend.options.enabled && legend.bubbleLegend &&
|
|
legend.options.bubbleLegend.autoRanges && bubbleSeries) {
|
|
bubbleLegendOptions = legend.bubbleLegend.options;
|
|
bubbleSizes = legend.bubbleLegend.predictBubbleSizes();
|
|
legend.bubbleLegend.updateRanges(bubbleSizes[0], bubbleSizes[1]);
|
|
// Disable animation on init
|
|
if (!bubbleLegendOptions.placed) {
|
|
legend.group.placed = false;
|
|
legend.allItems.forEach(function (item) {
|
|
item.legendGroup.translateY = null;
|
|
});
|
|
}
|
|
// Create legend with bubbleLegend
|
|
legend.render();
|
|
chart.getMargins();
|
|
chart.axes.forEach(function (axis) {
|
|
if (axis.visible) { // #11448
|
|
axis.render();
|
|
}
|
|
if (!bubbleLegendOptions.placed) {
|
|
axis.setScale();
|
|
axis.updateNames();
|
|
// Disable axis animation on init
|
|
objectEach(axis.ticks, function (tick) {
|
|
tick.isNew = true;
|
|
tick.isNewLabel = true;
|
|
});
|
|
}
|
|
});
|
|
bubbleLegendOptions.placed = true;
|
|
// After recalculate axes, calculate margins again.
|
|
chart.getMargins();
|
|
// Call default 'drawChartBox' method.
|
|
proceed.call(chart, options, callback);
|
|
// Check bubble legend sizes and correct them if necessary.
|
|
legend.bubbleLegend.correctSizes();
|
|
// Correct items positions with different dimensions in legend.
|
|
legend.retranslateItems(legend.getLinesHeights());
|
|
}
|
|
else {
|
|
proceed.call(chart, options, callback);
|
|
// Allow color change on static bubble legend after click on legend
|
|
if (legend && legend.options.enabled && legend.bubbleLegend) {
|
|
legend.render();
|
|
legend.retranslateItems(legend.getLinesHeights());
|
|
}
|
|
}
|
|
});
|
|
H.BubbleLegend = BubbleLegend;
|
|
export default H.BubbleLegend;
|