97 lines
3.5 KiB
JavaScript
97 lines
3.5 KiB
JavaScript
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/* *
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*
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* (c) 2010-2020 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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import H from '../parts/Globals.js';
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import U from '../parts/Utilities.js';
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var merge = U.merge, pick = U.pick;
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/* eslint-disable valid-jsdoc */
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/**
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* Legend symbol mixin.
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*
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* @private
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* @mixin Highcharts.LegendSymbolMixin
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*/
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H.LegendSymbolMixin = {
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/**
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* Get the series' symbol in the legend
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*
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* @private
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* @function Highcharts.LegendSymbolMixin.drawRectangle
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*
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* @param {Highcharts.Legend} legend
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* The legend object
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*
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* @param {Highcharts.Point|Highcharts.Series} item
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* The series (this) or point
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*/
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drawRectangle: function (legend, item) {
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var options = legend.options, symbolHeight = legend.symbolHeight, square = options.squareSymbol, symbolWidth = square ? symbolHeight : legend.symbolWidth;
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item.legendSymbol = this.chart.renderer.rect(square ? (legend.symbolWidth - symbolHeight) / 2 : 0, legend.baseline - symbolHeight + 1, // #3988
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symbolWidth, symbolHeight, pick(legend.options.symbolRadius, symbolHeight / 2))
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.addClass('highcharts-point')
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.attr({
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zIndex: 3
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}).add(item.legendGroup);
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},
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/**
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* Get the series' symbol in the legend. This method should be overridable
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* to create custom symbols through
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* Highcharts.seriesTypes[type].prototype.drawLegendSymbols.
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*
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* @private
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* @function Highcharts.LegendSymbolMixin.drawLineMarker
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*
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* @param {Highcharts.Legend} legend
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* The legend object.
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*/
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drawLineMarker: function (legend) {
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var options = this.options, markerOptions = options.marker, radius, legendSymbol, symbolWidth = legend.symbolWidth, symbolHeight = legend.symbolHeight, generalRadius = symbolHeight / 2, renderer = this.chart.renderer, legendItemGroup = this.legendGroup, verticalCenter = legend.baseline -
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Math.round(legend.fontMetrics.b * 0.3), attr = {};
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// Draw the line
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if (!this.chart.styledMode) {
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attr = {
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'stroke-width': options.lineWidth || 0
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};
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if (options.dashStyle) {
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attr.dashstyle = options.dashStyle;
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}
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}
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this.legendLine = renderer
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.path([
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'M',
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0,
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verticalCenter,
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'L',
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symbolWidth,
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verticalCenter
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])
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.addClass('highcharts-graph')
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.attr(attr)
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.add(legendItemGroup);
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// Draw the marker
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if (markerOptions && markerOptions.enabled !== false && symbolWidth) {
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// Do not allow the marker to be larger than the symbolHeight
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radius = Math.min(pick(markerOptions.radius, generalRadius), generalRadius);
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// Restrict symbol markers size
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if (this.symbol.indexOf('url') === 0) {
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markerOptions = merge(markerOptions, {
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width: symbolHeight,
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height: symbolHeight
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});
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radius = 0;
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}
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this.legendSymbol = legendSymbol = renderer.symbol(this.symbol, (symbolWidth / 2) - radius, verticalCenter - radius, 2 * radius, 2 * radius, markerOptions)
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.addClass('highcharts-point')
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.add(legendItemGroup);
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legendSymbol.isMarker = true;
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}
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}
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};
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export default H.LegendSymbolMixin;
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